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author | Allen Byrne <byrn@hdfgroup.org> | 2018-10-02 21:16:34 (GMT) |
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committer | Allen Byrne <byrn@hdfgroup.org> | 2018-10-02 21:17:10 (GMT) |
commit | 8c26358eca11455235df239a7e9f3a225b3141da (patch) | |
tree | f9ae4061b519ae7c516830a59a92faba93f9f006 /src/H5detect.c | |
parent | 66ef37d0d8030f38c924374facc49f6af6f6ddd5 (diff) | |
download | hdf5-8c26358eca11455235df239a7e9f3a225b3141da.zip hdf5-8c26358eca11455235df239a7e9f3a225b3141da.tar.gz hdf5-8c26358eca11455235df239a7e9f3a225b3141da.tar.bz2 |
Merge CMake changes from 1.10 to 1.8
Diffstat (limited to 'src/H5detect.c')
-rw-r--r-- | src/H5detect.c | 1488 |
1 files changed, 695 insertions, 793 deletions
diff --git a/src/H5detect.c b/src/H5detect.c index 1780932..8edbec6 100644 --- a/src/H5detect.c +++ b/src/H5detect.c @@ -26,27 +26,19 @@ static const char *FileHeader = "\n\ * help@hdfgroup.org. *\n\ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *"; /* + * Purpose: This code was borrowed heavily from the `detect.c' + * program in the AIO distribution from Lawrence + * Livermore National Laboratory. * - * Created: H5detect.c - * 10 Aug 1997 - * Robb Matzke - * - * Purpose: This code was borrowed heavily from the `detect.c' - * program in the AIO distribution from Lawrence - * Livermore National Laboratory. - * - * Detects machine byte order and floating point + * Detects machine byte order and floating point * format and generates a C source file (H5Tinit.c) * to describe those parameters. * * Assumptions: We have an ANSI compiler. We're on a Unix like - * system or configure has detected those Unix - * features which aren't available. We're not - * running on a Vax or other machine with mixed - * endianess. - * - * Modifications: - * + * system or configure has detected those Unix + * features which aren't available. We're not + * running on a Vax or other machine with mixed + * endianness. *------------------------------------------------------------------------- */ #undef NDEBUG @@ -55,18 +47,18 @@ static const char *FileHeader = "\n\ #include "H5Rpublic.h" #if defined(__has_attribute) -#if __has_attribute(no_sanitize) -#define HDF_NO_UBSAN __attribute__((no_sanitize("undefined"))) -#else -#define HDF_NO_UBSAN -#endif +# if __has_attribute(no_sanitize_address) +# define HDF_NO_UBSAN __attribute__((no_sanitize_address)) +# else +# define HDF_NO_UBSAN +# endif #else -#define HDF_NO_UBSAN +# define HDF_NO_UBSAN #endif #define MAXDETECT 64 -/* The ALIGNMENT test code may generate the SIGBUS, SIGSEGV, or SIGILL signals. +/* The ALIGNMENT test code may generate the SIGBUS, SIGSEGV, or SIGILL signals. * We use setjmp/longjmp in the signal handlers for recovery. But setjmp/longjmp * do not necessary restore the signal blocking status while sigsetjmp/siglongjmp * do. If sigsetjmp/siglongjmp are not supported, need to use sigprocmask to @@ -76,19 +68,19 @@ static const char *FileHeader = "\n\ /* supported. */ #if defined(H5_HAVE_SIGSETJMP) && defined(H5_HAVE_SIGLONGJMP) /* Always save blocked signals to be restored by siglongjmp. */ -#define H5JMP_BUF sigjmp_buf -#define H5SETJMP(buf) HDsigsetjmp(buf, 1) -#define H5LONGJMP(buf, val) HDsiglongjmp(buf, val) -#define H5HAVE_SIGJMP /* sigsetjmp/siglongjmp are supported. */ +#define H5JMP_BUF sigjmp_buf +#define H5SETJMP(buf) HDsigsetjmp(buf, 1) +#define H5LONGJMP(buf, val) HDsiglongjmp(buf, val) +#define H5HAVE_SIGJMP /* sigsetjmp/siglongjmp are supported. */ #elif defined(H5_HAVE_LONGJMP) -#define H5JMP_BUF jmp_buf -#define H5SETJMP(buf) HDsetjmp(buf) -#define H5LONGJMP(buf, val) HDlongjmp(buf, val) +#define H5JMP_BUF jmp_buf +#define H5SETJMP(buf) HDsetjmp(buf) +#define H5LONGJMP(buf, val) HDlongjmp(buf, val) #endif /* ALIGNMENT and signal-handling status codes */ -#define STA_NoALIGNMENT 0x0001 /* No ALIGNMENT Test */ -#define STA_NoHandlerVerify 0x0002 /* No signal handler Tests */ +#define STA_NoALIGNMENT 0x0001 /* No ALIGNMENT Test */ +#define STA_NoHandlerVerify 0x0002 /* No signal handler Tests */ /* @@ -96,41 +88,43 @@ static const char *FileHeader = "\n\ * was detected. */ typedef struct detected_t { - const char *varname; - int size; /*total byte size */ - int precision; /*meaningful bits */ - int offset; /*bit offset to meaningful bits */ - int perm[32]; /*for detection of byte order */ - int is_vax; /*for vax (float & double) only */ - int sign; /*location of sign bit */ - int mpos, msize, imp;/*information about mantissa */ - int epos, esize; /*information about exponent */ - unsigned long bias; /*exponent bias for floating pt.*/ - size_t align; /*required byte alignment */ - size_t comp_align; /*alignment for structure */ + const char *varname; + unsigned int size; /* total byte size */ + unsigned int precision; /* meaningful bits */ + unsigned int offset; /* bit offset to meaningful bits */ + int perm[32]; /* for detection of byte order */ + hbool_t is_vax; /* for vax (float & double) only */ + unsigned int sign; /* location of sign bit */ + unsigned int mpos, msize, imp; /* information about mantissa */ + unsigned int epos, esize; /* information about exponent */ + unsigned long bias; /* exponent bias for floating pt */ + unsigned int align; /* required byte alignment */ + unsigned int comp_align; /* alignment for structure */ } detected_t; /* This structure holds structure alignment for pointers, hvl_t, hobj_ref_t, * hdset_reg_ref_t */ typedef struct malign_t { const char *name; - size_t comp_align; /*alignment for structure */ + unsigned int comp_align; /* alignment for structure */ } malign_t; +FILE *rawoutstream = NULL; + /* global variables types detection code */ -static detected_t d_g[MAXDETECT]; -static malign_t m_g[MAXDETECT]; -static volatile int nd_g = 0, na_g = 0; +H5_GCC_DIAG_OFF(larger-than=) +static detected_t d_g[MAXDETECT]; +H5_GCC_DIAG_ON(larger-than=) +static malign_t m_g[MAXDETECT]; +static volatile int nd_g = 0, na_g = 0; static void print_results(int nd, detected_t *d, int na, malign_t *m); static void iprint(detected_t *); static int byte_cmp(int, const void *, const void *, const unsigned char *); -static int bit_cmp(int, int *, volatile void *, volatile void *, - const unsigned char *); +static unsigned int bit_cmp(unsigned int, int *, void *, void *, const unsigned char *); static void fix_order(int, int, int *, const char **); -static int imp_bit(int, int *, volatile void *, volatile void *, - const unsigned char *); -static unsigned long find_bias(int, int, int *, volatile void *); +static unsigned int imp_bit(unsigned int, int *, void *, void *, const unsigned char *); +static unsigned int find_bias(unsigned int, unsigned int, int *, void *); static void precision (detected_t*); static void print_header(void); static void detect_C89_integers(void); @@ -142,12 +136,12 @@ static void detect_C99_integers16(void); static void detect_C99_integers32(void); static void detect_C99_integers64(void); static void detect_alignments(void); -static size_t align_g[] = {1, 2, 4, 8, 16}; -static int align_status_g = 0; /* ALIGNMENT Signal Status */ -static int sigbus_handler_called_g = 0; /* how many times called */ -static int sigsegv_handler_called_g = 0;/* how many times called */ -static int sigill_handler_called_g = 0; /* how many times called */ -static int signal_handler_tested_g = 0; /* how many times tested */ +static unsigned int align_g[] = {1, 2, 4, 8, 16}; +static int align_status_g = 0; /* ALIGNMENT Signal Status */ +static int sigbus_handler_called_g = 0; /* how many times called */ +static int sigsegv_handler_called_g = 0; /* how many times called */ +static int sigill_handler_called_g = 0; /* how many times called */ +static int signal_handler_tested_g = 0; /* how many times tested */ #if defined(H5SETJMP) && defined(H5_HAVE_SIGNAL) static int verify_signal_handlers(int signum, void (*handler)(int)); #endif @@ -155,94 +149,90 @@ static int verify_signal_handlers(int signum, void (*handler)(int)); static H5JMP_BUF jbuf_g; #endif + /*------------------------------------------------------------------------- - * Function: precision + * Function: precision * - * Purpose: Determine the precision and offset. - * - * Return: void - * - * Programmer: Robb Matzke - * Thursday, June 18, 1998 - * - * Modifications: + * Purpose: Determine the precision and offset. * + * Return: void *------------------------------------------------------------------------- */ static void precision (detected_t *d) { - int n; - - if (0==d->msize) { - /* - * An integer. The permutation can have negative values at the - * beginning or end which represent padding of bytes. We must adjust - * the precision and offset accordingly. - */ - if (d->perm[0] < 0) { - /* - * Lower addresses are padded. - */ - for (n=0; n<d->size && d->perm[n]<0; n++) /*void*/; - d->precision = 8*(d->size-n); - d->offset = 0; - } else if (d->perm[d->size - 1] < 0) { - /* - * Higher addresses are padded. - */ - for (n=0; n<d->size && d->perm[d->size-(n+1)]; n++) /*void*/; - d->precision = 8*(d->size-n); - d->offset = 8*n; - } else { - /* - * No padding. - */ - d->precision = 8*d->size; - d->offset = 0; - } - } else { - /* A floating point */ - d->offset = MIN3 (d->mpos, d->epos, d->sign); - d->precision = d->msize + d->esize + 1; + unsigned int n; + + if(0 == d->msize) { + /* + * An integer. The permutation can have negative values at the + * beginning or end which represent padding of bytes. We must adjust + * the precision and offset accordingly. + */ + if(d->perm[0] < 0) { + /* + * Lower addresses are padded. + */ + for(n = 0; n < d->size && d->perm[n] < 0; n++) + /*void*/; + d->precision = 8 * (d->size - n); + d->offset = 0; + } + else if(d->perm[d->size - 1] < 0) { + /* + * Higher addresses are padded. + */ + for (n = 0; n < d->size && d->perm[d->size - (n + 1)]; n++) + /*void*/; + d->precision = 8 * (d->size - n); + d->offset = 8 * n; + } + else { + /* + * No padding. + */ + d->precision = 8 * d->size; + d->offset = 0; + } + } + else { + /* A floating point */ + d->offset = MIN3(d->mpos, d->epos, d->sign); + d->precision = d->msize + d->esize + 1; } } /*------------------------------------------------------------------------- - * Function: DETECT_I/DETECT_BYTE + * Function: DETECT_I/DETECT_BYTE * - * Purpose: These macro takes a type like `int' and a base name like - * `nati' and detects the byte order. The VAR is used to - * construct the names of the C variables defined. + * Purpose: These macro takes a type like `int' and a base name like + * `nati' and detects the byte order. The VAR is used to + * construct the names of the C variables defined. * * DETECT_I is used for types that are larger than one byte, * DETECT_BYTE is used for types that are exactly one byte. * - * Return: void - * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 12 1996 + * Return: void * * Modifications: * - * Robb Matzke, 4 Nov 1996 - * The INFO.perm now contains `-1' for bytes that aren't used and - * are always zero. This happens on the Cray for `short' where - * sizeof(short) is 8, but only the low-order 4 bytes are ever used. + * Robb Matzke, 4 Nov 1996 + * The INFO.perm now contains `-1' for bytes that aren't used and + * are always zero. This happens on the Cray for `short' where + * sizeof(short) is 8, but only the low-order 4 bytes are ever used. * - * Robb Matzke, 4 Nov 1996 - * Added a `padding' field to indicate how many zero bytes appear to - * the left (N) or right (-N) of the value. + * Robb Matzke, 4 Nov 1996 + * Added a `padding' field to indicate how many zero bytes appear to + * the left (N) or right (-N) of the value. * - * Robb Matzke, 5 Nov 1996 - * Removed HFILE and CFILE arguments. + * Robb Matzke, 5 Nov 1996 + * Removed HFILE and CFILE arguments. * * Neil Fortner, 6 Sep 2013 * Split macro into DETECT_I and DETECT_BYTE macros, extracted - * common cod einto DETECT_I_BYTE_CORE. This was done to remove + * common code into DETECT_I_BYTE_CORE. This was done to remove * "will never be executed" warnings. * *------------------------------------------------------------------------- @@ -257,7 +247,8 @@ precision (detected_t *d) INFO.size = sizeof(TYPE); \ \ for(_i = sizeof(DETECT_TYPE), _v = 0; _i > 0; --_i) \ - _v = (_v << 8) + _i; \ + _v = (DETECT_TYPE) ((DETECT_TYPE) (_v << 8) + (DETECT_TYPE) _i); \ + \ for(_i = 0, _x = (unsigned char *)&_v; _i < (signed)sizeof(DETECT_TYPE); _i++) { \ _j = (*_x++) - 1; \ HDassert(_j < (signed)sizeof(DETECT_TYPE)); \ @@ -280,7 +271,7 @@ precision (detected_t *d) DETECT_I_BYTE_CORE(TYPE,VAR,INFO,int) \ } -#define DETECT_I(TYPE,VAR,INFO) { \ +#define DETECT_I(TYPE,VAR,INFO) { \ HDcompile_assert(sizeof(TYPE) > 1); \ \ DETECT_I_BYTE_CORE(TYPE,VAR,INFO,TYPE) \ @@ -288,32 +279,22 @@ precision (detected_t *d) /*------------------------------------------------------------------------- - * Function: DETECT_F - * - * Purpose: This macro takes a floating point type like `double' and - * a base name like `natd' and detects byte order, mantissa - * location, exponent location, sign bit location, presence or - * absence of implicit mantissa bit, and exponent bias and - * initializes a detected_t structure with those properties. - * - * Note: 'volatile' is used for the variables below to prevent the - * compiler from optimizing them away. - * - * Return: void - * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 12 1996 + * Function: DETECT_F * + * Purpose: This macro takes a floating point type like `double' and + * a base name like `natd' and detects byte order, mantissa + * location, exponent location, sign bit location, presence or + * absence of implicit mantissa bit, and exponent bias and + * initializes a detected_t structure with those properties. *------------------------------------------------------------------------- */ #define DETECT_F(TYPE,VAR,INFO) { \ - volatile TYPE _v1, _v2, _v3; \ + TYPE _v1, _v2, _v3; \ unsigned char _buf1[sizeof(TYPE)], _buf3[sizeof(TYPE)]; \ unsigned char _pad_mask[sizeof(TYPE)]; \ unsigned char _byte_mask; \ int _i, _j, _last = (-1); \ - char *_mesg; \ + const char *_mesg; \ \ HDmemset(&INFO, 0, sizeof(INFO)); \ INFO.varname = #VAR; \ @@ -332,11 +313,13 @@ precision (detected_t *d) _v1 = (TYPE)4.0L; \ HDmemcpy(_buf1, (const void *)&_v1, sizeof(TYPE)); \ for(_i = 0; _i < (int)sizeof(TYPE); _i++) \ - for(_byte_mask = (unsigned char)1; _byte_mask; _byte_mask <<= 1) { \ + for(_byte_mask = (unsigned char)1; _byte_mask; _byte_mask = (unsigned char) (_byte_mask << 1)) { \ _buf1[_i] ^= _byte_mask; \ HDmemcpy((void *)&_v2, (const void *)_buf1, sizeof(TYPE)); \ + H5_GCC_DIAG_OFF(float-equal) \ if(_v1 != _v2) \ _pad_mask[_i] |= _byte_mask; \ + H5_GCC_DIAG_ON(float-equal) \ _buf1[_i] ^= _byte_mask; \ } /* end for */ \ \ @@ -374,7 +357,7 @@ precision (detected_t *d) _v1 = (TYPE)1.0L; \ _v2 = (TYPE)1.5L; \ INFO.msize = bit_cmp (sizeof(TYPE), INFO.perm, &_v1, &_v2, _pad_mask); \ - INFO.msize += 1 + (INFO.imp?0:1) - INFO.mpos; \ + INFO.msize += 1 + (unsigned int) (INFO.imp ? 0 : 1) - INFO.mpos; \ \ /* Exponent */ \ INFO.epos = INFO.mpos + INFO.msize; \ @@ -393,101 +376,90 @@ precision (detected_t *d) /*------------------------------------------------------------------------- - * Function: DETECT_M + * Function: DETECT_M * - * Purpose: This macro takes only miscellaneous structures or pointer + * Purpose: This macro takes only miscellaneous structures or pointer * (pointer, hvl_t, hobj_ref_t, hdset_reg_ref_t). It - * constructs the names and decides the alignment in structure. - * - * Return: void - * - * Programmer: Raymond Lu - * slu@ncsa.uiuc.edu - * Dec 9, 2002 - * - * Modifications: + * constructs the names and decides the alignment in structure. * + * Return: void *------------------------------------------------------------------------- */ -#define DETECT_M(TYPE,VAR,INFO) { \ - INFO.name = #VAR; \ - COMP_ALIGNMENT(TYPE, INFO.comp_align); \ +#define DETECT_M(TYPE,VAR,INFO) { \ + INFO.name = #VAR; \ + COMP_ALIGNMENT(TYPE, INFO.comp_align); \ } /* Detect alignment for C structure */ -#define COMP_ALIGNMENT(TYPE,COMP_ALIGN) { \ +#define COMP_ALIGNMENT(TYPE,COMP_ALIGN) { \ struct { \ char c; \ TYPE x; \ } s; \ \ - COMP_ALIGN = (size_t)((char*)(&(s.x)) - (char*)(&s)); \ + COMP_ALIGN = (unsigned int)((char*)(&(s.x)) - (char*)(&s)); \ } #if defined(H5SETJMP) && defined(H5_HAVE_SIGNAL) -#define ALIGNMENT(TYPE,INFO) { \ - char *volatile _buf = NULL; \ - volatile TYPE _val = 1; \ - volatile TYPE _val2; \ - volatile size_t _ano = 0; \ - void (*_handler)(int) = HDsignal(SIGBUS, sigbus_handler); \ - void (*_handler2)(int) = HDsignal(SIGSEGV, sigsegv_handler);\ - void (*_handler3)(int) = HDsignal(SIGILL, sigill_handler); \ - \ - _buf = (char*)HDmalloc(sizeof(TYPE) + align_g[NELMTS(align_g) - 1]); \ - if(H5SETJMP(jbuf_g)) _ano++; \ - if(_ano < NELMTS(align_g)) { \ - *((TYPE*)(_buf+align_g[_ano])) = _val; /*possible SIGBUS or SEGSEGV*/ \ - _val2 = *((TYPE*)(_buf+align_g[_ano])); /*possible SIGBUS or SEGSEGV*/\ - /* Cray Check: This section helps detect alignment on Cray's */ \ +#define ALIGNMENT(TYPE,INFO) { \ + char *volatile _buf = NULL; \ + TYPE _val = 1, _val2; \ + volatile size_t _ano = 0; \ + void (*_handler)(int) = HDsignal(SIGBUS, sigbus_handler); \ + void (*_handler2)(int) = HDsignal(SIGSEGV, sigsegv_handler);\ + void (*_handler3)(int) = HDsignal(SIGILL, sigill_handler); \ + \ + _buf = (char*)HDmalloc(sizeof(TYPE) + align_g[NELMTS(align_g) - 1]); \ + if(H5SETJMP(jbuf_g)) _ano++; \ + if(_ano < NELMTS(align_g)) { \ + *((TYPE*)(_buf+align_g[_ano])) = _val; /*possible SIGBUS or SEGSEGV*/ \ + _val2 = *((TYPE*)(_buf+align_g[_ano])); /*possible SIGBUS or SEGSEGV*/\ + /* Cray Check: This section helps detect alignment on Cray's */ \ /* vector machines (like the SV1) which mask off */ \ - /* pointer values when pointing to non-word aligned */ \ - /* locations with pointers that are supposed to be */ \ - /* word aligned. -QAK */ \ - HDmemset(_buf, 0xff, sizeof(TYPE)+align_g[NELMTS(align_g)-1]); \ - /*How to handle VAX types?*/ \ - if(INFO.perm[0]) /* Big-Endian */ \ - HDmemcpy(_buf+align_g[_ano]+(INFO.size-((INFO.offset+INFO.precision)/8)),((char *)&_val)+(INFO.size-((INFO.offset+INFO.precision)/8)),(size_t)(INFO.precision/8)); \ - else /* Little-Endian */ \ - HDmemcpy(_buf+align_g[_ano]+(INFO.offset/8),((char *)&_val)+(INFO.offset/8),(size_t)(INFO.precision/8)); \ - _val2 = *((TYPE*)(_buf+align_g[_ano])); \ - if(_val!=_val2) \ - H5LONGJMP(jbuf_g, 1); \ - /* End Cray Check */ \ - (INFO.align)=align_g[_ano]; \ - } else { \ - (INFO.align)=0; \ - fprintf(stderr, "unable to calculate alignment for %s\n", #TYPE); \ - } \ - HDfree(_buf); \ - HDsignal(SIGBUS, _handler); /*restore original handler*/ \ - HDsignal(SIGSEGV, _handler2); /*restore original handler*/ \ - HDsignal(SIGILL, _handler3); /*restore original handler*/ \ + /* pointer values when pointing to non-word aligned */ \ + /* locations with pointers that are supposed to be */ \ + /* word aligned. -QAK */ \ + HDmemset(_buf, 0xff, sizeof(TYPE)+align_g[NELMTS(align_g)-1]); \ + /*How to handle VAX types?*/ \ + if(INFO.perm[0]) /* Big-Endian */ \ + HDmemcpy(_buf+align_g[_ano]+(INFO.size-((INFO.offset+INFO.precision)/8)),((char *)&_val)+(INFO.size-((INFO.offset+INFO.precision)/8)),(size_t)(INFO.precision/8)); \ + else /* Little-Endian */ \ + HDmemcpy(_buf+align_g[_ano]+(INFO.offset/8),((char *)&_val)+(INFO.offset/8),(size_t)(INFO.precision/8)); \ + _val2 = *((TYPE*)(_buf+align_g[_ano])); \ + H5_GCC_DIAG_OFF(float-equal) \ + if(_val!=_val2) \ + H5LONGJMP(jbuf_g, 1); \ + H5_GCC_DIAG_ON(float-equal) \ + /* End Cray Check */ \ + (INFO.align)=align_g[_ano]; \ + } else { \ + (INFO.align)=0; \ + fprintf(stderr, "unable to calculate alignment for %s\n", #TYPE); \ + } \ + HDfree(_buf); \ + HDsignal(SIGBUS, _handler); /*restore original handler*/ \ + HDsignal(SIGSEGV, _handler2); /*restore original handler*/ \ + HDsignal(SIGILL, _handler3); /*restore original handler*/ \ } #else -#define ALIGNMENT(TYPE,INFO) { \ - align_status_g |= STA_NoALIGNMENT; \ - (INFO.align)=0; \ +#define ALIGNMENT(TYPE,INFO) { \ + align_status_g |= STA_NoALIGNMENT; \ + (INFO.align)=0; \ } #endif - + #if defined(H5LONGJMP) && defined(H5_HAVE_SIGNAL) + /*------------------------------------------------------------------------- - * Function: sigsegv_handler - * - * Purpose: Handler for SIGSEGV. We use signal() instead of sigaction() - * because it's more portable to non-Posix systems. Although - * it's not nearly as nice to work with, it does the job for - * this simple stuff. + * Function: sigsegv_handler * - * Return: Returns via H5LONGJMP to jbuf_g. - * - * Programmer: Robb Matzke - * Thursday, March 18, 1999 - * - * Modifications: + * Purpose: Handler for SIGSEGV. We use signal() instead of sigaction() + * because it's more portable to non-Posix systems. Although + * it's not nearly as nice to work with, it does the job for + * this simple stuff. * + * Return: Returns via H5LONGJMP to jbuf_g. *------------------------------------------------------------------------- */ static void @@ -509,23 +481,18 @@ sigsegv_handler(int H5_ATTR_UNUSED signo) } #endif - + #if defined(H5LONGJMP) && defined(H5_HAVE_SIGNAL) + /*------------------------------------------------------------------------- - * Function: sigbus_handler + * Function: sigbus_handler * - * Purpose: Handler for SIGBUS. We use signal() instead of sigaction() - * because it's more portable to non-Posix systems. Although - * it's not nearly as nice to work with, it does the job for - * this simple stuff. - * - * Return: Returns via H5LONGJMP to jbuf_g. - * - * Programmer: Robb Matzke - * Thursday, March 18, 1999 - * - * Modifications: + * Purpose: Handler for SIGBUS. We use signal() instead of sigaction() + * because it's more portable to non-Posix systems. Although + * it's not nearly as nice to work with, it does the job for + * this simple stuff. * + * Return: Returns via H5LONGJMP to jbuf_g. *------------------------------------------------------------------------- */ static void @@ -547,21 +514,18 @@ sigbus_handler(int H5_ATTR_UNUSED signo) } #endif - + #if defined(H5LONGJMP) && defined(H5_HAVE_SIGNAL) + /*------------------------------------------------------------------------- - * Function: sigill_handler - * - * Purpose: Handler for SIGILL. We use signal() instead of sigaction() - * because it's more portable to non-Posix systems. Although - * it's not nearly as nice to work with, it does the job for - * this simple stuff. + * Function: sigill_handler * - * Return: Returns via H5LONGJMP to jbuf_g. - * - * Programmer: Raymond Lu - * 28 October 2013 + * Purpose: Handler for SIGILL. We use signal() instead of sigaction() + * because it's more portable to non-Posix systems. Although + * it's not nearly as nice to work with, it does the job for + * this simple stuff. * + * Return: Returns via H5LONGJMP to jbuf_g. *------------------------------------------------------------------------- */ static void @@ -585,28 +549,21 @@ sigill_handler(int H5_ATTR_UNUSED signo) /*------------------------------------------------------------------------- - * Function: print_results - * - * Purpose: Prints information about the detected data types. - * - * Return: void + * Function: print_results * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 14, 1996 - * - * Modifications: + * Purpose: Prints information about the detected data types. * + * Return: void *------------------------------------------------------------------------- */ static void print_results(int nd, detected_t *d, int na, malign_t *misc_align) { int byte_order=0; /*byte order of data types*/ - int i, j; + int i, j; /* Include files */ - printf("\ + fprintf(rawoutstream, "\ /****************/\n\ /* Module Setup */\n\ /****************/\n\ @@ -617,11 +574,11 @@ print_results(int nd, detected_t *d, int na, malign_t *misc_align) /***********/\n\ /* Headers */\n\ /***********/\n\ -#include \"H5private.h\" /* Generic Functions */\n\ -#include \"H5Eprivate.h\" /* Error handling */\n\ -#include \"H5FLprivate.h\" /* Free Lists */\n\ -#include \"H5Iprivate.h\" /* IDs */\n\ -#include \"H5Tpkg.h\" /* Datatypes */\n\ +#include \"H5private.h\" /* Generic Functions */\n\ +#include \"H5Eprivate.h\" /* Error handling */\n\ +#include \"H5FLprivate.h\" /* Free Lists */\n\ +#include \"H5Iprivate.h\" /* IDs */\n\ +#include \"H5Tpkg.h\" /* Datatypes */\n\ \n\ \n\ /****************/\n\ @@ -659,7 +616,7 @@ print_results(int nd, detected_t *d, int na, malign_t *misc_align) /*********************/\n\ \n\ \n"); - printf("\n\ + fprintf(rawoutstream, "\n\ /*******************/\n\ /* Local Variables */\n\ /*******************/\n\ @@ -667,18 +624,18 @@ print_results(int nd, detected_t *d, int na, malign_t *misc_align) /* The interface initialization function */ - printf("\n\ + fprintf(rawoutstream, "\n\ \n\ /*-------------------------------------------------------------------------\n\ * Function: H5TN_init_interface\n\ *\n\ - * Purpose: Initialize pre-defined native datatypes from code generated\n\ + * Purpose: Initialize pre-defined native datatypes from code generated\n\ * during the library configuration by H5detect.\n\ *\n\ - * Return: Success: non-negative\n\ - * Failure: negative\n\ + * Return: Success: non-negative\n\ + * Failure: negative\n\ *\n\ - * Programmer: Robb Matzke\n\ + * Programmer: Robb Matzke\n\ * Wednesday, December 16, 1998\n\ *\n\ *-------------------------------------------------------------------------\n\ @@ -686,13 +643,13 @@ print_results(int nd, detected_t *d, int na, malign_t *misc_align) herr_t\n\ H5TN_init_interface(void)\n\ {\n\ - H5T_t *dt = NULL;\n\ - herr_t ret_value = SUCCEED;\n\ + H5T_t *dt = NULL;\n\ + herr_t ret_value = SUCCEED;\n\ \n\ FUNC_ENTER_NOAPI(FAIL)\n"); for(i = 0; i < nd; i++) { - /* The native endianess of this machine */ + /* The native endianness of this machine */ /* The INFO.perm now contains `-1' for bytes that aren't used and * are always zero. This happens on the Cray for `short' where * sizeof(short) is 8, but only the low-order 4 bytes are ever used. @@ -709,48 +666,49 @@ H5TN_init_interface(void)\n\ } } - /* Print a comment to describe this section of definitions. */ - printf("\n /*\n"); - iprint(d+i); - printf(" */\n"); + /* Print a comment to describe this section of definitions. */ + fprintf(rawoutstream, "\n /*\n"); + iprint(d+i); + fprintf(rawoutstream, " */\n"); - /* The part common to fixed and floating types */ - printf("\ + /* The part common to fixed and floating types */ + fprintf(rawoutstream, "\ if(NULL == (dt = H5T__alloc()))\n\ HGOTO_ERROR(H5E_DATATYPE, H5E_NOSPACE, FAIL, \"datatype allocation failed\")\n\ dt->shared->state = H5T_STATE_IMMUTABLE;\n\ dt->shared->type = H5T_%s;\n\ dt->shared->size = %d;\n", - d[i].msize ? "FLOAT" : "INTEGER",/*class */ - d[i].size); /*size */ + d[i].msize ? "FLOAT" : "INTEGER",/*class */ + d[i].size); /*size */ if(byte_order==-1) - printf("\ + fprintf(rawoutstream, "\ dt->shared->u.atomic.order = H5T_ORDER_VAX;\n"); else if(byte_order==0) - printf("\ + fprintf(rawoutstream, "\ dt->shared->u.atomic.order = H5T_ORDER_LE;\n"); else - printf("\ + fprintf(rawoutstream, "\ dt->shared->u.atomic.order = H5T_ORDER_BE;\n"); - printf("\ + fprintf(rawoutstream, "\ dt->shared->u.atomic.offset = %d;\n\ dt->shared->u.atomic.prec = %d;\n\ dt->shared->u.atomic.lsb_pad = H5T_PAD_ZERO;\n\ dt->shared->u.atomic.msb_pad = H5T_PAD_ZERO;\n", - d[i].offset, /*offset */ - d[i].precision); /*precision */ + d[i].offset, /*offset */ + d[i].precision); /*precision */ /*HDassert((d[i].perm[0]>0)==(byte_order>0));*/ /* Double-check that byte-order doesn't change */ - if (0 == d[i].msize) { - /* The part unique to fixed point types */ - printf("\ + if(0 == d[i].msize) { + /* The part unique to fixed point types */ + fprintf(rawoutstream, "\ dt->shared->u.atomic.u.i.sign = H5T_SGN_%s;\n", - d[i].sign ? "2" : "NONE"); - } else { - /* The part unique to floating point types */ - printf("\ + d[i].sign ? "2" : "NONE"); + } + else { + /* The part unique to floating point types */ + fprintf(rawoutstream, "\ dt->shared->u.atomic.u.f.sign = %d;\n\ dt->shared->u.atomic.u.f.epos = %d;\n\ dt->shared->u.atomic.u.f.esize = %d;\n\ @@ -759,50 +717,51 @@ H5TN_init_interface(void)\n\ dt->shared->u.atomic.u.f.msize = %d;\n\ dt->shared->u.atomic.u.f.norm = H5T_NORM_%s;\n\ dt->shared->u.atomic.u.f.pad = H5T_PAD_ZERO;\n", - d[i].sign, /*sign location */ - d[i].epos, /*exponent loc */ - d[i].esize, /*exponent size */ - (unsigned long)(d[i].bias), /*exponent bias */ - d[i].mpos, /*mantissa loc */ - d[i].msize, /*mantissa size */ - d[i].imp ? "IMPLIED" : "NONE"); /*normalization */ - } - - /* Atomize the type */ - printf("\ + d[i].sign, /*sign location */ + d[i].epos, /*exponent loc */ + d[i].esize, /*exponent size */ + (unsigned long)(d[i].bias), /*exponent bias */ + d[i].mpos, /*mantissa loc */ + d[i].msize, /*mantissa size */ + d[i].imp ? "IMPLIED" : "NONE"); /*normalization */ + } + + /* Atomize the type */ + fprintf(rawoutstream, "\ if((H5T_NATIVE_%s_g = H5I_register(H5I_DATATYPE, dt, FALSE)) < 0)\n\ HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, \"can't register ID for built-in datatype\")\n", - d[i].varname); - printf(" H5T_NATIVE_%s_ALIGN_g = %lu;\n", - d[i].varname, (unsigned long)(d[i].align)); + d[i].varname); + fprintf(rawoutstream, " H5T_NATIVE_%s_ALIGN_g = %lu;\n", + d[i].varname, (unsigned long)(d[i].align)); /* Variables for alignment of compound datatype */ if(!HDstrcmp(d[i].varname, "SCHAR") || !HDstrcmp(d[i].varname, "SHORT") || !HDstrcmp(d[i].varname, "INT") || !HDstrcmp(d[i].varname, "LONG") || !HDstrcmp(d[i].varname, "LLONG") || !HDstrcmp(d[i].varname, "FLOAT") || !HDstrcmp(d[i].varname, "DOUBLE") || !HDstrcmp(d[i].varname, "LDOUBLE")) { - printf(" H5T_NATIVE_%s_COMP_ALIGN_g = %lu;\n", + fprintf(rawoutstream, " H5T_NATIVE_%s_COMP_ALIGN_g = %lu;\n", d[i].varname, (unsigned long)(d[i].comp_align)); } } /* Consider VAX a little-endian machine */ if(byte_order==0 || byte_order==-1) { - printf("\n\ + fprintf(rawoutstream, "\n\ /* Set the native order for this machine */\n\ H5T_native_order_g = H5T_ORDER_%s;\n", "LE"); - } else { - printf("\n\ + } + else { + fprintf(rawoutstream, "\n\ /* Set the native order for this machine */\n\ H5T_native_order_g = H5T_ORDER_%s;\n", "BE"); } /* Structure alignment for pointers, hvl_t, hobj_ref_t, hdset_reg_ref_t */ - printf("\n /* Structure alignment for pointers, hvl_t, hobj_ref_t, hdset_reg_ref_t */\n"); + fprintf(rawoutstream, "\n /* Structure alignment for pointers, hvl_t, hobj_ref_t, hdset_reg_ref_t */\n"); for(j=0; j<na; j++) - printf(" H5T_%s_COMP_ALIGN_g = %lu;\n", misc_align[j].name, (unsigned long)(misc_align[j].comp_align)); + fprintf(rawoutstream, " H5T_%s_COMP_ALIGN_g = %lu;\n", misc_align[j].name, (unsigned long)(misc_align[j].comp_align)); - printf("\ + fprintf(rawoutstream, "\ \n\ done:\n\ if(ret_value < 0) {\n\ @@ -815,156 +774,159 @@ done:\n\ FUNC_LEAVE_NOAPI(ret_value);\n} /* end H5TN_init_interface() */\n"); /* Print the ALIGNMENT and signal-handling status as comments */ - printf("\n" - "/****************************************/\n" - "/* ALIGNMENT and signal-handling status */\n" - "/****************************************/\n"); + fprintf(rawoutstream, "\n" + "/****************************************/\n" + "/* ALIGNMENT and signal-handling status */\n" + "/****************************************/\n"); if (align_status_g & STA_NoALIGNMENT) - printf("/* ALIGNAMENT test is not available */\n"); + fprintf(rawoutstream, "/* ALIGNAMENT test is not available */\n"); if (align_status_g & STA_NoHandlerVerify) - printf("/* Signal handlers verify test is not available */\n"); + fprintf(rawoutstream, "/* Signal handlers verify test is not available */\n"); /* The following is available in H5pubconf.h. Printing them here for */ /* convenience. */ #ifdef H5_HAVE_SIGNAL - printf("/* Signal() support: yes */\n"); + fprintf(rawoutstream, "/* Signal() support: yes */\n"); #else - printf("/* Signal() support: no */\n"); + fprintf(rawoutstream, "/* Signal() support: no */\n"); #endif #ifdef H5_HAVE_SETJMP - printf("/* setjmp() support: yes */\n"); + fprintf(rawoutstream, "/* setjmp() support: yes */\n"); #else - printf("/* setjmp() support: no */\n"); + fprintf(rawoutstream, "/* setjmp() support: no */\n"); #endif #ifdef H5_HAVE_LONGJMP - printf("/* longjmp() support: yes */\n"); + fprintf(rawoutstream, "/* longjmp() support: yes */\n"); #else - printf("/* longjmp() support: no */\n"); + fprintf(rawoutstream, "/* longjmp() support: no */\n"); #endif #ifdef H5_HAVE_SIGSETJMP - printf("/* sigsetjmp() support: yes */\n"); + fprintf(rawoutstream, "/* sigsetjmp() support: yes */\n"); #else - printf("/* sigsetjmp() support: no */\n"); + fprintf(rawoutstream, "/* sigsetjmp() support: no */\n"); #endif #ifdef H5_HAVE_SIGLONGJMP - printf("/* siglongjmp() support: yes */\n"); + fprintf(rawoutstream, "/* siglongjmp() support: yes */\n"); #else - printf("/* siglongjmp() support: no */\n"); + fprintf(rawoutstream, "/* siglongjmp() support: no */\n"); #endif #ifdef H5_HAVE_SIGPROCMASK - printf("/* sigprocmask() support: yes */\n"); + fprintf(rawoutstream, "/* sigprocmask() support: yes */\n"); #else - printf("/* sigprocmask() support: no */\n"); + fprintf(rawoutstream, "/* sigprocmask() support: no */\n"); #endif /* Print the statics of signal handlers called for debugging */ - printf("\n" - "/******************************/\n" - "/* signal handlers statistics */\n" - "/******************************/\n"); - printf("/* signal_handlers tested: %d times */\n", signal_handler_tested_g); - printf("/* sigbus_handler called: %d times */\n", sigbus_handler_called_g); - printf("/* sigsegv_handler called: %d times */\n", sigsegv_handler_called_g); - printf("/* sigill_handler called: %d times */\n", sigill_handler_called_g); + fprintf(rawoutstream, "\n" + "/******************************/\n" + "/* signal handlers statistics */\n" + "/******************************/\n"); + fprintf(rawoutstream, "/* signal_handlers tested: %d times */\n", signal_handler_tested_g); + fprintf(rawoutstream, "/* sigbus_handler called: %d times */\n", sigbus_handler_called_g); + fprintf(rawoutstream, "/* sigsegv_handler called: %d times */\n", sigsegv_handler_called_g); + fprintf(rawoutstream, "/* sigill_handler called: %d times */\n", sigill_handler_called_g); } /* end print_results() */ /*------------------------------------------------------------------------- - * Function: iprint - * - * Purpose: Prints information about the fields of a floating point - * format. - * - * Return: void + * Function: iprint * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 13, 1996 - * - * Modifications: + * Purpose: Prints information about the fields of a floating point format. * + * Return: void + *------------------------------------------------------------------------- */ static void iprint(detected_t *d) { - int i, j, k, pass; - - for (pass=(d->size-1)/4; pass>=0; --pass) { - /* - * Print the byte ordering above the bit fields. - */ - printf(" * "); - for (i=MIN(pass*4+3,d->size-1); i>=pass*4; --i) { - printf ("%4d", d->perm[i]); - if (i>pass*4) HDfputs (" ", stdout); - } - - /* - * Print the bit fields - */ - printf("\n * "); - for (i=MIN(pass*4+3,d->size-1), - k=MIN(pass*32+31,8*d->size-1); - i>=pass*4; --i) { - for (j=7; j>=0; --j) { - if (k==d->sign && d->msize) { - HDputchar('S'); - } else if (k>=d->epos && k<d->epos+d->esize) { - HDputchar('E'); - } else if (k>=d->mpos && k<d->mpos+d->msize) { - HDputchar('M'); - } else if (d->msize) { - HDputchar('?'); /*unknown floating point bit */ - } else if (d->sign) { - HDputchar('I'); - } else { - HDputchar('U'); - } - --k; - } - if (i>pass*4) HDputchar(' '); - } - HDputchar('\n'); + unsigned int pass; + + for(pass = (d->size - 1) / 4; ; --pass) { + unsigned int i, k; + /* + * Print the byte ordering above the bit fields. + */ + fprintf(rawoutstream, " * "); + for(i = MIN(pass * 4 + 3, d->size - 1); i >= pass * 4; --i) { + fprintf(rawoutstream, "%4d", d->perm[i]); + if(i > pass * 4) + HDfputs(" ", stdout); + if(!i) + break; + } + + /* + * Print the bit fields + */ + fprintf(rawoutstream, "\n * "); + for(i = MIN(pass * 4 + 3, d->size - 1), k = MIN(pass * 32 + 31, + 8 * d->size - 1); i >= pass * 4; --i) { + unsigned int j; + + for(j = 8; j > 0; --j) { + if(k == d->sign && d->msize) { + HDfputc('S', rawoutstream); + } + else if(k >= d->epos && k < d->epos + d->esize) { + HDfputc('E', rawoutstream); + } + else if(k >= d->mpos && k < d->mpos + d->msize) { + HDfputc('M', rawoutstream); + } + else if(d->msize) { + HDfputc('?', rawoutstream); /*unknown floating point bit */ + } + else if(d->sign) { + HDfputc('I', rawoutstream); + } + else { + HDfputc('U', rawoutstream); + } + --k; + } + if(i > pass * 4) + HDfputc(' ', rawoutstream); + if(!i) + break; + } + HDfputc('\n', rawoutstream); + if(!pass) + break; } /* * Is there an implicit bit in the mantissa. */ - if (d->msize) { - printf(" * Implicit bit? %s\n", d->imp ? "yes" : "no"); + if(d->msize) { + fprintf(rawoutstream, " * Implicit bit? %s\n", d->imp ? "yes" : "no"); } /* * Alignment */ - if (0==d->align) { - printf(" * Alignment: NOT CALCULATED\n"); - } else if (1==d->align) { - printf(" * Alignment: none\n"); - } else { - printf(" * Alignment: %lu\n", (unsigned long)(d->align)); + if(0 == d->align) { + fprintf(rawoutstream, " * Alignment: NOT CALCULATED\n"); + } + else if(1 == d->align) { + fprintf(rawoutstream, " * Alignment: none\n"); } + else { + fprintf(rawoutstream, " * Alignment: %lu\n", (unsigned long) (d->align)); + } + } /*------------------------------------------------------------------------- - * Function: byte_cmp + * Function: byte_cmp * - * Purpose: Compares two chunks of memory A and B and returns the - * byte index into those arrays of the first byte that - * differs between A and B. Ignores differences where the + * Purpose: Compares two chunks of memory A and B and returns the + * byte index into those arrays of the first byte that + * differs between A and B. Ignores differences where the * corresponding bit in pad_mask is set to 0. * - * Return: Success: Index of differing byte. - * - * Failure: -1 if all bytes are the same. - * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 12, 1996 - * - * Modifications: - * + * Return: Success: Index of differing byte. + * Failure: -1 if all bytes are the same. *------------------------------------------------------------------------- */ static int @@ -983,167 +945,154 @@ byte_cmp(int n, const void *_a, const void *_b, const unsigned char *pad_mask) /*------------------------------------------------------------------------- - * Function: bit_cmp + * Function: bit_cmp * - * Purpose: Compares two bit vectors and returns the index for the - * first bit that differs between the two vectors. The - * size of the vector is NBYTES. PERM is a mapping from - * actual order to little endian. Ignores differences where + * Purpose: Compares two bit vectors and returns the index for the + * first bit that differs between the two vectors. The + * size of the vector is NBYTES. PERM is a mapping from + * actual order to little endian. Ignores differences where * the corresponding bit in pad_mask is set to 0. * - * Return: Success: Index of first differing bit. - * - * Failure: -1 - * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 13, 1996 - * - * Modifications: + * Return: Index of first differing bit. * *------------------------------------------------------------------------- */ -static int -bit_cmp(int nbytes, int *perm, volatile void *_a, volatile void *_b, - const unsigned char *pad_mask) +static unsigned int +bit_cmp(unsigned int nbytes, int *perm, void *_a, void *_b, + const unsigned char *pad_mask) { - int i, j; - volatile unsigned char *a = (volatile unsigned char *) _a; - volatile unsigned char *b = (volatile unsigned char *) _b; - unsigned char aa, bb; - - for (i = 0; i < nbytes; i++) { - HDassert(perm[i] < nbytes); - if ((aa = a[perm[i]] & pad_mask[perm[i]]) - != (bb = b[perm[i]] & pad_mask[perm[i]])) { - for (j = 0; j < 8; j++, aa >>= 1, bb >>= 1) { - if ((aa & 1) != (bb & 1)) return i * 8 + j; + unsigned int i; + unsigned char *a = (unsigned char *) _a; + unsigned char *b = (unsigned char *) _b; + unsigned char aa, bb; + + for(i = 0; i < nbytes; i++) { + HDassert(perm[i] < (int) nbytes); + if((aa = (unsigned char) (a[perm[i]] & pad_mask[perm[i]])) + != (bb = (unsigned char) (b[perm[i]] & pad_mask[perm[i]]))) { + unsigned int j; + + for(j = 0; j < 8; j++, aa >>= 1, bb >>= 1) { + if((aa & 1) != (bb & 1)) return i * 8 + j; } fprintf(stderr, "INTERNAL ERROR"); HDabort(); } } - return -1; + fprintf(stderr, "INTERNAL ERROR"); + HDabort(); + return 0; } /*------------------------------------------------------------------------- - * Function: fix_order - * - * Purpose: Given an array PERM with elements FIRST through LAST - * initialized with zero origin byte numbers, this function - * creates a permutation vector that maps the actual order - * of a floating point number to little-endian. - * - * This function assumes that the mantissa byte ordering - * implies the total ordering. + * Function: fix_order * - * Return: void + * Purpose: Given an array PERM with elements FIRST through LAST + * initialized with zero origin byte numbers, this function + * creates a permutation vector that maps the actual order + * of a floating point number to little-endian. * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 13, 1996 - * - * Modifications: + * This function assumes that the mantissa byte ordering + * implies the total ordering. * + * Return: void *------------------------------------------------------------------------- */ static void fix_order(int n, int last, int *perm, const char **mesg) { - int i; - - if (last > 1) { - /* - * We have at least three points to consider. - */ - if (perm[last] < perm[last - 1] && perm[last - 1] < perm[last - 2]) { - /* - * Little endian. - */ - if (mesg) *mesg = "Little-endian"; - for (i = 0; i < n; i++) perm[i] = i; - - } else if (perm[last] > perm[last-1] && perm[last-1] > perm[last-2]) { - /* - * Big endian. - */ - if (mesg) *mesg = "Big-endian"; - for (i = 0; i < n; i++) perm[i] = (n - 1) - i; - - } else { - /* - * Bi-endian machines like VAX. - * (NOTE: This is not an actual determination of the VAX-endianess. - * It could have some other endianess and fall into this + int i; + + if(last > 1) { + /* + * We have at least three points to consider. + */ + if(perm[last] < perm[last - 1] && perm[last - 1] < perm[last - 2]) { + /* + * Little endian. + */ + if(mesg) + *mesg = "Little-endian"; + for(i = 0; i < n; i++) + perm[i] = i; + + } + else if(perm[last] > perm[last - 1] + && perm[last - 1] > perm[last - 2]) { + /* + * Big endian. + */ + if(mesg) + *mesg = "Big-endian"; + for(i = 0; i < n; i++) + perm[i] = (n - 1) - i; + + } + else { + /* + * Bi-endian machines like VAX. + * (NOTE: This is not an actual determination of the VAX-endianness. + * It could have some other endianness and fall into this * case - JKM & QAK) - */ - HDassert(0 == n % 2); - if (mesg) *mesg = "VAX"; - for (i = 0; i < n; i += 2) { - perm[i] = (n - 2) - i; - perm[i + 1] = (n - 1) - i; - } - } - } else { - fprintf(stderr, - "Failed to detect byte order of %d-byte floating point.\n", n); - HDexit(1); + */ + HDassert(0 == n % 2); + if(mesg) + *mesg = "VAX"; + for(i = 0; i < n; i += 2) { + perm[i] = (n - 2) - i; + perm[i + 1] = (n - 1) - i; + } + } + } + else { + fprintf(stderr, + "Failed to detect byte order of %d-byte floating point.\n", n); + HDexit(1); } } /*------------------------------------------------------------------------- - * Function: imp_bit - * - * Purpose: Looks for an implicit bit in the mantissa. The value - * of _A should be 1.0 and the value of _B should be 0.5. - * Some floating-point formats discard the most significant - * bit of the mantissa after normalizing since it will always - * be a one (except for 0.0). If this is true for the native - * floating point values stored in _A and _B then the function - * returns non-zero. + * Function: imp_bit * - * This function assumes that the exponent occupies higher - * order bits than the mantissa and that the most significant - * bit of the mantissa is next to the least signficant bit - * of the exponent. + * Purpose: Looks for an implicit bit in the mantissa. The value + * of _A should be 1.0 and the value of _B should be 0.5. + * Some floating-point formats discard the most significant + * bit of the mantissa after normalizing since it will always + * be a one (except for 0.0). If this is true for the native + * floating point values stored in _A and _B then the function + * returns non-zero. * + * This function assumes that the exponent occupies higher + * order bits than the mantissa and that the most significant + * bit of the mantissa is next to the least significant bit + * of the exponent. * - * Return: Success: Non-zero if the most significant bit - * of the mantissa is discarded (ie, the - * mantissa has an implicit `one' as the - * most significant bit). Otherwise, - * returns zero. * - * Failure: exit(1) + * Return: Success: Non-zero if the most significant bit + * of the mantissa is discarded (ie, the + * mantissa has an implicit `one' as the + * most significant bit). Otherwise, + * returns zero. * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 13, 1996 - * - * Modifications: - * - * Robb Matzke, 6 Nov 1996 - * Fixed a bug that occurs with non-implicit architectures. + * Failure: 1 * *------------------------------------------------------------------------- */ -static int -imp_bit(int n, int *perm, volatile void *_a, volatile void *_b, - const unsigned char *pad_mask) +static unsigned int +imp_bit(unsigned int n, int *perm, void *_a, void *_b, const unsigned char *pad_mask) { - volatile unsigned char *a = (volatile unsigned char *) _a; - volatile unsigned char *b = (volatile unsigned char *) _b; - int changed, major, minor; - int msmb; /*most significant mantissa bit */ + unsigned char *a = (unsigned char *) _a; + unsigned char *b = (unsigned char *) _b; + unsigned int changed, major, minor; + unsigned int msmb; /* most significant mantissa bit */ /* * Look for the least significant bit that has changed between * A and B. This is the least significant bit of the exponent. */ changed = bit_cmp(n, perm, a, b, pad_mask); - HDassert(changed >= 0); /* * The bit to the right (less significant) of the changed bit should @@ -1159,83 +1108,64 @@ imp_bit(int n, int *perm, volatile void *_a, volatile void *_b, /*------------------------------------------------------------------------- - * Function: find_bias - * - * Purpose: Determines the bias of the exponent. This function should - * be called with _A having a value of `1'. - * - * Return: Success: The exponent bias. + * Function: find_bias * - * Failure: + * Purpose: Determines the bias of the exponent. This function should + * be called with _A having a value of `1'. * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 13, 1996 - * - * Modifications: - * - * Robb Matzke, 6 Nov 1996 - * Fixed a bug with non-implicit architectures returning the - * wrong exponent bias. + * Return: The exponent bias. * *------------------------------------------------------------------------- */ -static unsigned long -find_bias(int epos, int esize, int *perm, volatile void *_a) +static unsigned int +find_bias(unsigned int epos, unsigned int esize, int *perm, void *_a) { - unsigned char *a = (unsigned char *) _a; - unsigned char mask; - unsigned long b, shift = 0, nbits, bias = 0; - - while (esize > 0) { - nbits = MIN(esize, (8 - epos % 8)); - mask = (1 << nbits) - 1; - b = (a[perm[epos / 8]] >> (epos % 8)) & mask; - bias |= b << shift; - - shift += nbits; - esize -= nbits; - epos += nbits; + unsigned char *a = (unsigned char *) _a; + unsigned char mask; + unsigned int b, shift = 0, nbits, bias = 0; + + while(esize > 0) { + nbits = MIN(esize, (8 - epos % 8)); + mask = (unsigned char) ((1 << nbits) - 1); + b = (unsigned int) (a[perm[epos / 8]] >> (epos % 8)) & mask; + bias |= b << shift; + + shift += nbits; + esize -= nbits; + epos += nbits; } return bias; } /*------------------------------------------------------------------------- - * Function: print_header + * Function: print_header * - * Purpose: Prints the C file header for the generated file. - * - * Return: void - * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Mar 12 1997 - * - * Modifications: + * Purpose: Prints the C file header for the generated file. * + * Return: void *------------------------------------------------------------------------- */ static void print_header(void) { - time_t now = HDtime(NULL); - struct tm *tm = HDlocaltime(&now); - char real_name[30]; - char host_name[256]; - int i; - const char *s; + time_t now = HDtime(NULL); + struct tm *tm = HDlocaltime(&now); + char real_name[30]; + char host_name[256]; + int i; + const char *s; #ifdef H5_HAVE_GETPWUID - struct passwd *pwd = NULL; + struct passwd *pwd = NULL; #else - int pwd = 1; + int pwd = 1; #endif - static const char *month_name[] = + static const char *month_name[] = { - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; - static const char *purpose = "\ + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; + static const char *purpose = "\ This machine-generated source code contains\n\ information about the various integer and\n\ floating point numeric formats found on this\n\ @@ -1247,7 +1177,7 @@ Each of the numeric formats listed below are\n\ printed from most significant bit to least\n\ significant bit even though the actual bytes\n\ might be stored in a different order in\n\ -memory. The integers above each binary byte\n\ +memory. The integers above each binary byte\n\ indicate the relative order of the bytes in\n\ memory; little-endian machines have\n\ decreasing numbers while big-endian machines\n\ @@ -1258,8 +1188,8 @@ letters with `S' for the mantissa sign bit,\n\ `M' for the mantissa magnitude, and `E' for\n\ the exponent. The exponent has an associated\n\ bias which can be subtracted to find the\n\ -true exponent. The radix point is assumed\n\ -to be before the first `M' bit. Any bit\n\ +true exponent. The radix point is assumed\n\ +to be before the first `M' bit. Any bit\n\ of a floating-point value not falling into one\n\ of these categories is printed as a question\n\ mark. Bits of integer types are printed as\n\ @@ -1268,7 +1198,7 @@ mark. Bits of integer types are printed as\n\ If the most significant bit of the normalized\n\ mantissa (always a `1' except for `0.0') is\n\ not stored then an `implicit=yes' appears\n\ -under the field description. In thie case,\n\ +under the field description. In this case,\n\ the radix point is still assumed to be\n\ before the first `M' but after the implicit\n\ bit.\n"; @@ -1278,20 +1208,21 @@ bit.\n"; */ #ifdef H5_HAVE_GETPWUID { - size_t n; - char *comma; - if ((pwd = HDgetpwuid(HDgetuid()))) { - if ((comma = HDstrchr(pwd->pw_gecos, ','))) { - n = MIN(sizeof(real_name)-1, (unsigned)(comma-pwd->pw_gecos)); - HDstrncpy(real_name, pwd->pw_gecos, n); - real_name[n] = '\0'; - } else { - HDstrncpy(real_name, pwd->pw_gecos, sizeof(real_name)); - real_name[sizeof(real_name) - 1] = '\0'; - } - } else { - real_name[0] = '\0'; - } + size_t n; + char *comma; + if((pwd = HDgetpwuid(HDgetuid()))) { + if((comma = HDstrchr(pwd->pw_gecos, ','))) { + n = MIN(sizeof(real_name)-1, (unsigned)(comma-pwd->pw_gecos)); + HDstrncpy(real_name, pwd->pw_gecos, n); + real_name[n] = '\0'; + } + else { + HDstrncpy(real_name, pwd->pw_gecos, sizeof(real_name)); + real_name[sizeof(real_name) - 1] = '\0'; + } + } + else + real_name[0] = '\0'; } #else real_name[0] = '\0'; @@ -1301,8 +1232,8 @@ bit.\n"; * The FQDM of this host or the empty string. */ #ifdef H5_HAVE_GETHOSTNAME - if (HDgethostname(host_name, sizeof(host_name)) < 0) { - host_name[0] = '\0'; + if(HDgethostname(host_name, sizeof(host_name)) < 0) { + host_name[0] = '\0'; } #else host_name[0] = '\0'; @@ -1311,78 +1242,71 @@ bit.\n"; /* * The file header: warning, copyright notice, build information. */ - printf("/* Generated automatically by H5detect -- do not edit */\n\n\n"); - HDputs(FileHeader); /*the copyright notice--see top of this file */ - - printf(" *\n * Created:\t\t%s %2d, %4d\n", - month_name[tm->tm_mon], tm->tm_mday, 1900 + tm->tm_year); - if (pwd || real_name[0] || host_name[0]) { - printf(" *\t\t\t"); - if (real_name[0]) printf("%s <", real_name); + fprintf(rawoutstream, "/* Generated automatically by H5detect -- do not edit */\n\n\n"); + HDfputs(FileHeader, rawoutstream); /*the copyright notice--see top of this file */ + + fprintf(rawoutstream, " *\n * Created:\t\t%s %2d, %4d\n", + month_name[tm->tm_mon], tm->tm_mday, 1900 + tm->tm_year); + if(pwd || real_name[0] || host_name[0]) { + fprintf(rawoutstream, " *\t\t\t"); + if(real_name[0]) + fprintf(rawoutstream, "%s <", real_name); #ifdef H5_HAVE_GETPWUID - if (pwd) HDfputs(pwd->pw_name, stdout); + if(pwd) HDfputs(pwd->pw_name, rawoutstream); #endif - if (host_name[0]) printf("@%s", host_name); - if (real_name[0]) printf(">"); - HDputchar('\n'); + if(host_name[0]) + fprintf(rawoutstream, "@%s", host_name); + if(real_name[0]) + fprintf(rawoutstream, ">"); + HDfputc('\n', rawoutstream); } - printf(" *\n * Purpose:\t\t"); - for (s = purpose; *s; s++) { - HDputchar(*s); - if ('\n' == *s && s[1]) printf(" *\t\t\t"); + fprintf(rawoutstream, " *\n * Purpose:\t\t"); + for(s = purpose; *s; s++) { + HDfputc(*s, rawoutstream); + if('\n' == *s && s[1]) + fprintf(rawoutstream, " *\t\t\t"); } - printf(" *\n * Modifications:\n *\n"); - printf(" *\tDO NOT MAKE MODIFICATIONS TO THIS FILE!\n"); - printf(" *\tIt was generated by code in `H5detect.c'.\n"); + fprintf(rawoutstream, " *\n * Modifications:\n *\n"); + fprintf(rawoutstream, " *\tDO NOT MAKE MODIFICATIONS TO THIS FILE!\n"); + fprintf(rawoutstream, " *\tIt was generated by code in `H5detect.c'.\n"); - printf(" *\n *"); - for (i = 0; i < 73; i++) HDputchar('-'); - printf("\n */\n\n"); + fprintf(rawoutstream, " *\n *"); + for(i = 0; i < 73; i++) + HDfputc('-', rawoutstream); + fprintf(rawoutstream, "\n */\n\n"); } /*------------------------------------------------------------------------- - * Function: detect_C89_integers + * Function: detect_C89_integers * - * Purpose: Detect C89 integer types - * - * Return: void - * - * Programmer: Albert Cheng - * 2004/05/20 - * - * Modifications: + * Purpose: Detect C89 integer types * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN detect_C89_integers(void) { - DETECT_BYTE(signed char, SCHAR, d_g[nd_g]); nd_g++; - DETECT_BYTE(unsigned char, UCHAR, d_g[nd_g]); nd_g++; - DETECT_I(short, SHORT, d_g[nd_g]); nd_g++; - DETECT_I(unsigned short, USHORT, d_g[nd_g]); nd_g++; - DETECT_I(int, INT, d_g[nd_g]); nd_g++; - DETECT_I(unsigned int, UINT, d_g[nd_g]); nd_g++; - DETECT_I(long, LONG, d_g[nd_g]); nd_g++; - DETECT_I(unsigned long, ULONG, d_g[nd_g]); nd_g++; + DETECT_BYTE(signed char, SCHAR, d_g[nd_g]); nd_g++; + DETECT_BYTE(unsigned char, UCHAR, d_g[nd_g]); nd_g++; + DETECT_I(short, SHORT, d_g[nd_g]); nd_g++; + DETECT_I(unsigned short, USHORT, d_g[nd_g]); nd_g++; + DETECT_I(int, INT, d_g[nd_g]); nd_g++; + DETECT_I(unsigned int, UINT, d_g[nd_g]); nd_g++; + DETECT_I(long, LONG, d_g[nd_g]); nd_g++; + DETECT_I(unsigned long, ULONG, d_g[nd_g]); nd_g++; } /*------------------------------------------------------------------------- - * Function: detect_C89_floats - * - * Purpose: Detect C89 floating point types - * - * Return: void + * Function: detect_C89_floats * - * Programmer: Albert Cheng - * 2004/05/20 - * - * Modifications: + * Purpose: Detect C89 floating point types * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN @@ -1394,17 +1318,11 @@ detect_C89_floats(void) /*------------------------------------------------------------------------- - * Function: detect_C99_integers8 - * - * Purpose: Detect C99 8 bit integer types - * - * Return: void - * - * Programmer: Albert Cheng - * 2004/05/20 + * Function: detect_C99_integers8 * - * Modifications: + * Purpose: Detect C99 8 bit integer types * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN @@ -1412,136 +1330,119 @@ detect_C99_integers8(void) { #if H5_SIZEOF_INT8_T>0 #if H5_SIZEOF_INT8_T==1 - DETECT_BYTE(int8_t, INT8, d_g[nd_g]); nd_g++; + DETECT_BYTE(int8_t, INT8, d_g[nd_g]); nd_g++; #else - DETECT_I(int8_t, INT8, d_g[nd_g]); nd_g++; + DETECT_I(int8_t, INT8, d_g[nd_g]); nd_g++; #endif #endif #if H5_SIZEOF_UINT8_T>0 #if H5_SIZEOF_UINT8_T==1 - DETECT_BYTE(uint8_t, UINT8, d_g[nd_g]); nd_g++; + DETECT_BYTE(uint8_t, UINT8, d_g[nd_g]); nd_g++; #else - DETECT_I(uint8_t, UINT8, d_g[nd_g]); nd_g++; + DETECT_I(uint8_t, UINT8, d_g[nd_g]); nd_g++; #endif #endif #if H5_SIZEOF_INT_LEAST8_T>0 #if H5_SIZEOF_INT_LEAST8_T==1 - DETECT_BYTE(int_least8_t, INT_LEAST8, d_g[nd_g]); nd_g++; + DETECT_BYTE(int_least8_t, INT_LEAST8, d_g[nd_g]); nd_g++; #else - DETECT_I(int_least8_t, INT_LEAST8, d_g[nd_g]); nd_g++; + DETECT_I(int_least8_t, INT_LEAST8, d_g[nd_g]); nd_g++; #endif #endif #if H5_SIZEOF_UINT_LEAST8_T>0 #if H5_SIZEOF_UINT_LEAST8_T==1 - DETECT_BYTE(uint_least8_t, UINT_LEAST8, d_g[nd_g]); nd_g++; + DETECT_BYTE(uint_least8_t, UINT_LEAST8, d_g[nd_g]); nd_g++; #else - DETECT_I(uint_least8_t, UINT_LEAST8, d_g[nd_g]); nd_g++; + DETECT_I(uint_least8_t, UINT_LEAST8, d_g[nd_g]); nd_g++; #endif #endif #if H5_SIZEOF_INT_FAST8_T>0 #if H5_SIZEOF_INT_FAST8_T==1 - DETECT_BYTE(int_fast8_t, INT_FAST8, d_g[nd_g]); nd_g++; + DETECT_BYTE(int_fast8_t, INT_FAST8, d_g[nd_g]); nd_g++; #else - DETECT_I(int_fast8_t, INT_FAST8, d_g[nd_g]); nd_g++; + DETECT_I(int_fast8_t, INT_FAST8, d_g[nd_g]); nd_g++; #endif #endif #if H5_SIZEOF_UINT_FAST8_T>0 #if H5_SIZEOF_UINT_FAST8_T==1 - DETECT_BYTE(uint_fast8_t, UINT_FAST8, d_g[nd_g]); nd_g++; + DETECT_BYTE(uint_fast8_t, UINT_FAST8, d_g[nd_g]); nd_g++; #else - DETECT_I(uint_fast8_t, UINT_FAST8, d_g[nd_g]); nd_g++; + DETECT_I(uint_fast8_t, UINT_FAST8, d_g[nd_g]); nd_g++; #endif #endif } /*------------------------------------------------------------------------- - * Function: detect_C99_integers16 - * - * Purpose: Detect C99 16 bit integer types - * - * Return: void + * Function: detect_C99_integers16 * - * Programmer: Albert Cheng - * 2004/05/20 - * - * Modifications: + * Purpose: Detect C99 16 bit integer types * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN detect_C99_integers16(void) { #if H5_SIZEOF_INT16_T>0 - DETECT_I(int16_t, INT16, d_g[nd_g]); nd_g++; + DETECT_I(int16_t, INT16, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT16_T>0 - DETECT_I(uint16_t, UINT16, d_g[nd_g]); nd_g++; + DETECT_I(uint16_t, UINT16, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_INT_LEAST16_T>0 - DETECT_I(int_least16_t, INT_LEAST16, d_g[nd_g]); nd_g++; + DETECT_I(int_least16_t, INT_LEAST16, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT_LEAST16_T>0 - DETECT_I(uint_least16_t, UINT_LEAST16, d_g[nd_g]); nd_g++; + DETECT_I(uint_least16_t, UINT_LEAST16, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_INT_FAST16_T>0 - DETECT_I(int_fast16_t, INT_FAST16, d_g[nd_g]); nd_g++; + DETECT_I(int_fast16_t, INT_FAST16, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT_FAST16_T>0 - DETECT_I(uint_fast16_t, UINT_FAST16, d_g[nd_g]); nd_g++; + DETECT_I(uint_fast16_t, UINT_FAST16, d_g[nd_g]); nd_g++; #endif } /*------------------------------------------------------------------------- - * Function: detect_C99_integers32 - * - * Purpose: Detect C99 32 bit integer types + * Function: detect_C99_integers32 * - * Return: void - * - * Programmer: Albert Cheng - * 2004/05/20 - * - * Modifications: + * Purpose: Detect C99 32 bit integer types * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN detect_C99_integers32(void) { #if H5_SIZEOF_INT32_T>0 - DETECT_I(int32_t, INT32, d_g[nd_g]); nd_g++; + DETECT_I(int32_t, INT32, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT32_T>0 - DETECT_I(uint32_t, UINT32, d_g[nd_g]); nd_g++; + DETECT_I(uint32_t, UINT32, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_INT_LEAST32_T>0 - DETECT_I(int_least32_t, INT_LEAST32, d_g[nd_g]); nd_g++; + DETECT_I(int_least32_t, INT_LEAST32, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT_LEAST32_T>0 - DETECT_I(uint_least32_t, UINT_LEAST32, d_g[nd_g]); nd_g++; + DETECT_I(uint_least32_t, UINT_LEAST32, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_INT_FAST32_T>0 - DETECT_I(int_fast32_t, INT_FAST32, d_g[nd_g]); nd_g++; + DETECT_I(int_fast32_t, INT_FAST32, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT_FAST32_T>0 - DETECT_I(uint_fast32_t, UINT_FAST32, d_g[nd_g]); nd_g++; + DETECT_I(uint_fast32_t, UINT_FAST32, d_g[nd_g]); nd_g++; #endif } /*------------------------------------------------------------------------- - * Function: detect_C99_integers64 - * - * Purpose: Detect C99 64 bit integer types - * - * Return: void + * Function: detect_C99_integers64 * - * Programmer: Albert Cheng - * 2004/05/20 + * Purpose: Detect C99 64 bit integer types * - * Modifications: + * Return: void * *------------------------------------------------------------------------- */ @@ -1549,51 +1450,45 @@ static void HDF_NO_UBSAN detect_C99_integers64(void) { #if H5_SIZEOF_INT64_T>0 - DETECT_I(int64_t, INT64, d_g[nd_g]); nd_g++; + DETECT_I(int64_t, INT64, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT64_T>0 - DETECT_I(uint64_t, UINT64, d_g[nd_g]); nd_g++; + DETECT_I(uint64_t, UINT64, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_INT_LEAST64_T>0 - DETECT_I(int_least64_t, INT_LEAST64, d_g[nd_g]); nd_g++; + DETECT_I(int_least64_t, INT_LEAST64, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT_LEAST64_T>0 - DETECT_I(uint_least64_t, UINT_LEAST64, d_g[nd_g]); nd_g++; + DETECT_I(uint_least64_t, UINT_LEAST64, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_INT_FAST64_T>0 - DETECT_I(int_fast64_t, INT_FAST64, d_g[nd_g]); nd_g++; + DETECT_I(int_fast64_t, INT_FAST64, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_UINT_FAST64_T>0 - DETECT_I(uint_fast64_t, UINT_FAST64, d_g[nd_g]); nd_g++; + DETECT_I(uint_fast64_t, UINT_FAST64, d_g[nd_g]); nd_g++; #endif #if H5_SIZEOF_LONG_LONG>0 - DETECT_I(long long, LLONG, d_g[nd_g]); nd_g++; - DETECT_I(unsigned long long, ULLONG, d_g[nd_g]); nd_g++; + DETECT_I(long long, LLONG, d_g[nd_g]); nd_g++; + DETECT_I(unsigned long long, ULLONG, d_g[nd_g]); nd_g++; #else /* * This architecture doesn't support an integer type larger than `long' * so we'll just make H5T_NATIVE_LLONG the same as H5T_NATIVE_LONG since * `long long' is probably equivalent to `long' here anyway. */ - DETECT_I(long, LLONG, d_g[nd_g]); nd_g++; - DETECT_I(unsigned long, ULLONG, d_g[nd_g]); nd_g++; + DETECT_I(long, LLONG, d_g[nd_g]); nd_g++; + DETECT_I(unsigned long, ULLONG, d_g[nd_g]); nd_g++; #endif } /*------------------------------------------------------------------------- - * Function: detect_C99_integers - * - * Purpose: Detect C99 integer types - * - * Return: void + * Function: detect_C99_integers * - * Programmer: Albert Cheng - * 2004/05/20 - * - * Modifications: + * Purpose: Detect C99 integer types * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN @@ -1609,17 +1504,11 @@ detect_C99_integers(void) /*------------------------------------------------------------------------- - * Function: detect_C99_floats - * - * Purpose: Detect C99 floating point types + * Function: detect_C99_floats * - * Return: void - * - * Programmer: Albert Cheng - * 2004/05/20 - * - * Modifications: + * Purpose: Detect C99 floating point types * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN @@ -1632,25 +1521,19 @@ detect_C99_floats(void) * some systems and `long double' is probably the same as `double' here * anyway. */ - DETECT_F(double, LDOUBLE, d_g[nd_g]); nd_g++; + DETECT_F(double, LDOUBLE, d_g[nd_g]); nd_g++; #elif H5_SIZEOF_LONG_DOUBLE !=0 - DETECT_F(long double, LDOUBLE, d_g[nd_g]); nd_g++; + DETECT_F(long double, LDOUBLE, d_g[nd_g]); nd_g++; #endif } /*------------------------------------------------------------------------- - * Function: detect_alignments - * - * Purpose: Detect structure alignments - * - * Return: void + * Function: detect_alignments * - * Programmer: Albert Cheng - * 2004/05/20 - * - * Modifications: + * Purpose: Detect structure alignments * + * Return: void *------------------------------------------------------------------------- */ static void HDF_NO_UBSAN @@ -1663,7 +1546,7 @@ detect_alignments(void) DETECT_M(hdset_reg_ref_t, HDSETREGREF, m_g[na_g]); na_g++; } - + #if defined(H5SETJMP) && defined(H5_HAVE_SIGNAL) /* Verify the signal handler for signal signum works correctly multiple times. * One possible cause of failure is that the signal handling is blocked or @@ -1671,70 +1554,66 @@ detect_alignments(void) * Return 0 for success, -1 for failure. */ static int verify_signal_handlers(int signum, void (*handler)(int)) -{ -#if defined(__has_feature) +{ +#if defined(__has_feature) /* Clang */ #if __has_feature(address_sanitizer) || __has_feature(thread_sanitizer) /* Under the address and thread sanitizers, don't raise any signals. */ return 0; #endif +#elif defined(__SANITIZE_ADDRESS__) || defined(__SANITIZE_THREAD__) /* GCC */ + return 0; #endif - void (*save_handler)(int) = HDsignal(signum, handler); - int i, val; - int ntries=5; - volatile int nfailures=0; - volatile int nsuccesses=0; - - for (i=0;i<ntries; i++){ - val=H5SETJMP(jbuf_g); - if (val==0) - { - /* send self the signal to trigger the handler */ - signal_handler_tested_g++; - HDraise(signum); - /* Should not reach here. Record error. */ - nfailures++; - }else{ - if (val==signum){ - /* return from signum handler. Record a sucess. */ - nsuccesses++; - }else{ - fprintf(stderr, "Unknown return value (%d) from H5SETJMP", - val); - nfailures++; - } - } - } + void (*save_handler)(int) = HDsignal(signum, handler); + volatile int i, val; + int ntries = 5; + volatile int nfailures = 0; + volatile int nsuccesses = 0; + + for(i=0;i<ntries; i++) { + val=H5SETJMP(jbuf_g); + if(val==0) { + /* send self the signal to trigger the handler */ + signal_handler_tested_g++; + HDraise(signum); + /* Should not reach here. Record error. */ + nfailures++; + } + else { + if(val==signum) { + /* return from signum handler. Record a sucess. */ + nsuccesses++; + } + else { + fprintf(stderr, "Unknown return value (%d) from H5SETJMP", val); + nfailures++; + } + } + } /* restore save handler, check results and report failures */ HDsignal(signum, save_handler); - if (nfailures>0 || nsuccesses != ntries){ - fprintf(stderr, "verify_signal_handlers for signal %d did %d tries. " - "Found %d failures and %d successes\n", - signum, ntries, nfailures, nsuccesses); - return(-1); - }else{ - /* all succeeded */ - return(0); + if(nfailures>0 || nsuccesses != ntries) { + fprintf(stderr, "verify_signal_handlers for signal %d did %d tries. " + "Found %d failures and %d successes\n", + signum, ntries, nfailures, nsuccesses); + return -1; + } + else { + /* all succeeded */ + return 0; } -} +} #endif /*------------------------------------------------------------------------- - * Function: main + * Function: main * - * Purpose: Main entry point. + * Purpose: Main entry point. * - * Return: Success: exit(0) - * - * Failure: exit(1) - * - * Programmer: Robb Matzke - * matzke@llnl.gov - * Jun 12, 1996 + * Return: Success: EXIT_SUCCESS * * Modifications: - * Albert Cheng, 2004/05/20 - * Some compilers, e.g., Intel C v7.0, took a long time to compile + * Some compilers, e.g., Intel C v7.0, took a long time to compile * with optimization when a module routine contains many code lines. * Divide up all those types detections macros into subroutines, both * to avoid the compiler optimization error and cleaner codes. @@ -1742,8 +1621,23 @@ static int verify_signal_handlers(int signum, void (*handler)(int)) *------------------------------------------------------------------------- */ int HDF_NO_UBSAN -main(void) +main(int argc, char *argv[]) { + char *fname = NULL; + FILE *f; /* temporary holding place for the stream pointer + * so that rawoutstream is changed only when succeeded */ + + if(argc > 1) + fname = argv[1]; + + /* First check if filename is string "NULL" */ + if(fname != NULL) { + /* binary output */ + if((f = HDfopen(fname, "w")) != NULL) + rawoutstream = f; + } + if(!rawoutstream) + rawoutstream = stdout; #if defined(H5_HAVE_SETSYSINFO) && defined(SSI_NVPAIRS) #if defined(UAC_NOPRINT) && defined(UAC_SIGBUS) @@ -1751,27 +1645,27 @@ main(void) * Make sure unaligned access generates SIGBUS and doesn't print warning * messages so that we can detect alignment constraints on the DEC Alpha. */ - int nvpairs[2]; + int nvpairs[2]; nvpairs[0] = SSIN_UACPROC; nvpairs[1] = UAC_NOPRINT | UAC_SIGBUS; - if (setsysinfo(SSI_NVPAIRS, nvpairs, 1, 0, 0)<0) { - fprintf(stderr, "H5detect: unable to turn off UAC handling: %s\n", - HDstrerror(errno)); + if(setsysinfo(SSI_NVPAIRS, nvpairs, 1, 0, 0)<0) { + fprintf(stderr, "H5detect: unable to turn off UAC handling: %s\n", + HDstrerror(errno)); } #endif #endif #if defined(H5SETJMP) && defined(H5_HAVE_SIGNAL) /* verify the SIGBUS and SIGSEGV handlers work properly */ - if (verify_signal_handlers(SIGBUS, sigbus_handler) != 0) { + if(verify_signal_handlers(SIGBUS, sigbus_handler) != 0) { fprintf(stderr, "Signal handler %s for signal %d failed\n", "sigbus_handler", SIGBUS); } - if (verify_signal_handlers(SIGSEGV, sigsegv_handler) != 0) { + if(verify_signal_handlers(SIGSEGV, sigsegv_handler) != 0) { fprintf(stderr, "Signal handler %s for signal %d failed\n", "sigsegv_handler", SIGSEGV); } - if (verify_signal_handlers(SIGILL, sigill_handler) != 0) { + if(verify_signal_handlers(SIGILL, sigill_handler) != 0) { fprintf(stderr, "Signal handler %s for signal %d failed\n", "sigill_handler", SIGILL); } @@ -1798,5 +1692,13 @@ main(void) print_results (nd_g, d_g, na_g, m_g); - return 0; + if(rawoutstream && rawoutstream != stdout) { + if(HDfclose(rawoutstream)) + fprintf(stderr, "closing rawoutstream"); + else + rawoutstream = NULL; + } + + return EXIT_SUCCESS; } + |