diff options
Diffstat (limited to 'tools/h5diff/h5diff_common.c')
-rw-r--r-- | tools/h5diff/h5diff_common.c | 498 |
1 files changed, 241 insertions, 257 deletions
diff --git a/tools/h5diff/h5diff_common.c b/tools/h5diff/h5diff_common.c index f87fdf2..67977e9 100644 --- a/tools/h5diff/h5diff_common.c +++ b/tools/h5diff/h5diff_common.c @@ -11,23 +11,21 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -#include <stdlib.h> -#include <string.h> #include "H5private.h" #include "h5diff.h" #include "h5diff_common.h" #include "h5tools.h" #include "h5tools_utils.h" -static int check_n_input( const char* ); -static int check_p_input( const char* ); -static int check_d_input( const char* ); +static int check_n_input(const char*); +static int check_p_input(const char*); +static int check_d_input(const char*); /* * Command-line options: The user can specify short or long-named * parameters. */ -static const char *s_opts = "hVrv:qn:d:p:Nc"; +static const char *s_opts = "hVrv:qn:d:p:NcelxE:S"; static struct long_options l_opts[] = { { "help", no_arg, 'h' }, { "version", no_arg, 'V' }, @@ -43,6 +41,7 @@ static struct long_options l_opts[] = { { "follow-symlinks", no_arg, 'l' }, { "no-dangling-links", no_arg, 'x' }, { "exclude-path", require_arg, 'E' }, + { "enable-error-stack", no_arg, 'S' }, { NULL, 0, '\0' } }; @@ -53,7 +52,7 @@ static struct long_options l_opts[] = { * *------------------------------------------------------------------------- */ -static void check_options(diff_opt_t* options) +static void check_options(diff_opt_t* opts) { /*-------------------------------------------------------------- * check for mutually exclusive options @@ -62,8 +61,7 @@ static void check_options(diff_opt_t* options) /* check between -d , -p, --use-system-epsilon. * These options are mutually exclusive. */ - if ((options->d + options->p + options->use_system_epsilon) > 1) - { + if ((opts->d + opts->p + opts->use_system_epsilon) > 1) { printf("%s error: -d, -p and --use-system-epsilon options are mutually-exclusive;\n", PROGRAMNAME); printf("use no more than one.\n"); printf("Try '-h' or '--help' option for more information or see the %s entry in the 'HDF5 Reference Manual'.\n", PROGRAMNAME); @@ -86,101 +84,105 @@ void parse_command_line(int argc, const char** fname2, const char** objname1, const char** objname2, - diff_opt_t* options) + diff_opt_t* opts) { int i; int opt; struct exclude_path_list *exclude_head, *exclude_prev, *exclude_node; /* process the command-line */ - memset(options, 0, sizeof (diff_opt_t)); + memset(opts, 0, sizeof (diff_opt_t)); /* assume equal contents initially */ - options->contents = 1; + opts->contents = 1; /* NaNs are handled by default */ - options->do_nans = 1; + opts->do_nans = 1; /* not Listing objects that are not comparable */ - options->m_list_not_cmp = 0; + opts->m_list_not_cmp = 0; /* initially no not-comparable. */ /**this is bad in mixing option with results**/ - options->not_cmp=0; + opts->not_cmp=0; /* init for exclude-path option */ exclude_head = NULL; /* parse command line options */ - while ((opt = get_option(argc, argv, s_opts, l_opts)) != EOF) - { - switch ((char)opt) - { + while ((opt = get_option(argc, argv, s_opts, l_opts)) != EOF) { + switch ((char)opt) { default: usage(); h5diff_exit(EXIT_FAILURE); + case 'h': usage(); h5diff_exit(EXIT_SUCCESS); + case 'V': print_version(h5tools_getprogname()); h5diff_exit(EXIT_SUCCESS); + case 'v': - options->m_verbose = 1; + opts->m_verbose = 1; /* This for loop is for handling style like * -v, -v1, --verbose, --verbose=1. */ - for (i = 1; i < argc; i++) - { + for (i = 1; i < argc; i++) { /* * short opt */ - if (!strcmp (argv[i], "-v")) /* no arg */ - { + if (!strcmp (argv[i], "-v")) { /* no arg */ opt_ind--; - options->m_verbose_level = 0; + opts->m_verbose_level = 0; break; - } - else if (!strncmp (argv[i], "-v", (size_t)2)) - { - options->m_verbose_level = atoi(&argv[i][2]); + } + else if (!strncmp (argv[i], "-v", (size_t)2)) { + opts->m_verbose_level = atoi(&argv[i][2]); break; - } + } /* * long opt */ - if (!strcmp (argv[i], "--verbose")) /* no arg */ - { - options->m_verbose_level = 0; + if (!strcmp (argv[i], "--verbose")) { /* no arg */ + opts->m_verbose_level = 0; break; - } - else if ( !strncmp (argv[i], "--verbose", (size_t)9) && argv[i][9]=='=') - { - options->m_verbose_level = atoi(&argv[i][10]); + } + else if ( !strncmp (argv[i], "--verbose", (size_t)9) && argv[i][9]=='=') { + opts->m_verbose_level = atoi(&argv[i][10]); break; } } break; + case 'q': /* use quiet mode; supress the message "0 differences found" */ - options->m_quiet = 1; + opts->m_quiet = 1; break; + case 'r': - options->m_report = 1; + opts->m_report = 1; break; + case 'l': - options->follow_links = TRUE; + opts->follow_links = TRUE; break; + case 'x': - options->no_dangle_links = 1; + opts->no_dangle_links = 1; + break; + + case 'S': + enable_error_stack = TRUE; break; + case 'E': - options->exclude_path = 1; + opts->exclude_path = 1; /* create linked list of excluding objects */ - if( (exclude_node = (struct exclude_path_list*) HDmalloc(sizeof(struct exclude_path_list))) == NULL) - { + if( (exclude_node = (struct exclude_path_list*) HDmalloc(sizeof(struct exclude_path_list))) == NULL) { printf("Error: lack of memory!\n"); h5diff_exit(EXIT_FAILURE); } @@ -190,13 +192,11 @@ void parse_command_line(int argc, exclude_node->obj_type = H5TRAV_TYPE_UNKNOWN; exclude_prev = exclude_head; - if (NULL == exclude_head) - { + if (NULL == exclude_head) { exclude_head = exclude_node; exclude_head->next = NULL; } - else - { + else { while(NULL != exclude_prev->next) exclude_prev=exclude_prev->next; @@ -204,76 +204,69 @@ void parse_command_line(int argc, exclude_prev->next = exclude_node; } break; + case 'd': - options->d=1; + opts->d=1; - if ( check_d_input( opt_arg )==-1) - { - printf("<-d %s> is not a valid option\n", opt_arg ); + if (check_d_input(opt_arg) == - 1) { + printf("<-d %s> is not a valid option\n", opt_arg); usage(); h5diff_exit(EXIT_FAILURE); } - options->delta = atof( opt_arg ); + opts->delta = atof(opt_arg); /* -d 0 is the same as default */ - if (options->delta == 0) - options->d=0; - + if (H5_DBL_ABS_EQUAL(opts->delta, (double)0.0F)) + opts->d=0; break; case 'p': - - options->p=1; - if ( check_p_input( opt_arg )==-1) - { - printf("<-p %s> is not a valid option\n", opt_arg ); + opts->p=1; + if (check_p_input(opt_arg) == -1) { + printf("<-p %s> is not a valid option\n", opt_arg); usage(); h5diff_exit(EXIT_FAILURE); } - options->percent = atof( opt_arg ); + opts->percent = atof(opt_arg); /* -p 0 is the same as default */ - if (options->percent == 0) - options->p = 0; - + if (H5_DBL_ABS_EQUAL(opts->percent, (double)0.0F)) + opts->p = 0; break; case 'n': - - options->n=1; - if ( check_n_input( opt_arg )==-1) - { - printf("<-n %s> is not a valid option\n", opt_arg ); + opts->n=1; + if ( check_n_input(opt_arg) == -1) { + printf("<-n %s> is not a valid option\n", opt_arg); usage(); h5diff_exit(EXIT_FAILURE); } - options->count = HDstrtoull(opt_arg, NULL, 0); + opts->count = HDstrtoull(opt_arg, NULL, 0); break; case 'N': - options->do_nans = 0; + opts->do_nans = 0; break; case 'c': - options->m_list_not_cmp = 1; + opts->m_list_not_cmp = 1; break; case 'e': - options->use_system_epsilon = 1; + opts->use_system_epsilon = 1; break; } } /* check options */ - check_options(options); + check_options(opts); /* if exclude-path option is used, keep the exclude path list */ - if (options->exclude_path) - options->exclude = exclude_head; + if (opts->exclude_path) + opts->exclude = exclude_head; /* check for file names to be processed */ - if (argc <= opt_ind || argv[ opt_ind + 1 ] == NULL) - { + if (argc <= opt_ind || argv[ opt_ind + 1 ] == NULL) { error_msg("missing file names\n"); usage(); h5diff_exit(EXIT_FAILURE); @@ -283,18 +276,15 @@ void parse_command_line(int argc, *fname2 = argv[ opt_ind + 1 ]; *objname1 = argv[ opt_ind + 2 ]; - if ( *objname1 == NULL ) - { + if (*objname1 == NULL) { *objname2 = NULL; return; } - if ( argv[ opt_ind + 3 ] != NULL) - { + if (argv[ opt_ind + 3 ] != NULL) { *objname2 = argv[ opt_ind + 3 ]; } - else - { + else { *objname2 = *objname1; } @@ -310,34 +300,28 @@ void parse_command_line(int argc, *------------------------------------------------------------------------- */ - void print_info(diff_opt_t* options) + void print_info(diff_opt_t* opts) { - if (options->m_quiet || options->err_stat ) + if (opts->m_quiet || opts->err_stat) return; - if (options->cmn_objs==0) - { + if (opts->cmn_objs == 0) { printf("No common objects found. Files are not comparable.\n"); - if (!options->m_verbose) + if (!opts->m_verbose) printf("Use -v for a list of objects.\n"); } - if (options->not_cmp==1) - { - if ( options->m_list_not_cmp == 0 ) - { + if (opts->not_cmp == 1) { + if (opts->m_list_not_cmp == 0) { printf("--------------------------------\n"); printf("Some objects are not comparable\n"); printf("--------------------------------\n"); - if (options->m_verbose) + if (opts->m_verbose) printf("Use -c for a list of objects without details of differences.\n"); else printf("Use -c for a list of objects.\n"); } - - } - } /*------------------------------------------------------------------------- @@ -363,16 +347,14 @@ check_n_input( const char *str ) unsigned i; char c; - for ( i = 0; i < strlen(str); i++) - { + for (i = 0; i < strlen(str); i++) { c = str[i]; - if ( i==0 ) - { - if ( c < 49 || c > 57 ) /* ascii values between 1 and 9 */ + if (i == 0) { + if (c < 49 || c > 57) /* ascii values between 1 and 9 */ return -1; } else - if ( c < 48 || c > 57 ) /* 0 also */ + if (c < 48 || c > 57) /* 0 also */ return -1; } return 1; @@ -402,11 +384,11 @@ check_p_input( const char *str ) the atof return value on a hexadecimal input is different on some systems; we do a character check for this */ - if (strlen(str)>2 && str[0]=='0' && str[1]=='x') + if (strlen(str) > 2 && str[0] == '0' && str[1] == 'x') return -1; - x=atof(str); - if (x<0) + x = atof(str); + if (x < 0) return -1; return 1; @@ -436,11 +418,11 @@ check_d_input( const char *str ) the atof return value on a hexadecimal input is different on some systems; we do a character check for this */ - if (strlen(str)>2 && str[0]=='0' && str[1]=='x') + if (strlen(str) > 2 && str[0] == '0' && str[1] == 'x') return -1; - x=atof(str); - if (x <0) + x = atof(str); + if (x < 0) return -1; return 1; @@ -458,151 +440,153 @@ check_d_input( const char *str ) void usage(void) { - printf("usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]\n"); - printf(" file1 File name of the first HDF5 file\n"); - printf(" file2 File name of the second HDF5 file\n"); - printf(" [obj1] Name of an HDF5 object, in absolute path\n"); - printf(" [obj2] Name of an HDF5 object, in absolute path\n"); - printf("\n"); - printf(" OPTIONS\n"); - printf(" -h, --help\n"); - printf(" Print a usage message and exit.\n"); - printf(" -V, --version\n"); - printf(" Print version number and exit.\n"); - printf(" -r, --report\n"); - printf(" Report mode. Print differences.\n"); - printf(" -v --verbose\n"); - printf(" Verbose mode. Print differences information and list of objects.\n"); - printf(" -vN --verbose=N\n"); - printf(" Verbose mode with level. Print differences and list of objects.\n"); - printf(" Level of detail depends on value of N:\n"); - printf(" 0 : Identical to '-v' or '--verbose'.\n"); - printf(" 1 : All level 0 information plus one-line attribute\n"); - printf(" status summary.\n"); - printf(" 2 : All level 1 information plus extended attribute\n"); - printf(" status report.\n"); - printf(" -q, --quiet\n"); - printf(" Quiet mode. Do not produce output.\n"); - printf(" --follow-symlinks\n"); - printf(" Follow symbolic links (soft links and external links and compare the)\n"); - printf(" links' target objects.\n"); - printf(" If symbolic link(s) with the same name exist in the files being\n"); - printf(" compared, then determine whether the target of each link is an existing\n"); - printf(" object (dataset, group, or named datatype) or the link is a dangling\n"); - printf(" link (a soft or external link pointing to a target object that does\n"); - printf(" not yet exist).\n"); - printf(" - If both symbolic links are dangling links, they are treated as being\n"); - printf(" the same; by default, h5diff returns an exit code of 0.\n"); - printf(" If, however, --no-dangling-links is used with --follow-symlinks,\n"); - printf(" this situation is treated as an error and h5diff returns an\n"); - printf(" exit code of 2.\n"); - printf(" - If only one of the two links is a dangling link,they are treated as\n"); - printf(" being different and h5diff returns an exit code of 1.\n"); - printf(" If, however, --no-dangling-links is used with --follow-symlinks,\n"); - printf(" this situation is treated as an error and h5diff returns an\n"); - printf(" exit code of 2.\n"); - printf(" - If both symbolic links point to existing objects, h5diff compares the\n"); - printf(" two objects.\n"); - printf(" If any symbolic link specified in the call to h5diff does not exist,\n"); - printf(" h5diff treats it as an error and returns an exit code of 2.\n"); - printf(" --no-dangling-links\n"); - printf(" Must be used with --follow-symlinks option; otherwise, h5diff shows\n"); - printf(" error message and returns an exit code of 2.\n"); - printf(" Check for any symbolic links (soft links or external links) that do not\n"); - printf(" resolve to an existing object (dataset, group, or named datatype).\n"); - printf(" If any dangling link is found, this situation is treated as an error\n"); - printf(" and h5diff returns an exit code of 2.\n"); - printf(" -c, --compare\n"); - printf(" List objects that are not comparable\n"); - printf(" -N, --nan\n"); - printf(" Avoid NaNs detection\n"); - printf(" -n C, --count=C\n"); - printf(" Print differences up to C. C must be a positive integer.\n"); - printf(" -d D, --delta=D\n"); - printf(" Print difference if (|a-b| > D). D must be a positive number. Where a\n"); - printf(" is the data point value in file1 and b is the data point value in file2.\n"); - printf(" Can not use with '-p' or '--use-system-epsilon'.\n"); - printf(" -p R, --relative=R\n"); - printf(" Print difference if (|(a-b)/b| > R). R must be a positive number. Where a\n"); - printf(" is the data point value in file1 and b is the data point value in file2.\n"); - printf(" Can not use with '-d' or '--use-system-epsilon'.\n"); - printf(" --use-system-epsilon\n"); - printf(" Print difference if (|a-b| > EPSILON), EPSILON is system defined value. Where a\n"); - printf(" is the data point value in file1 and b is the data point value in file2.\n"); - printf(" If the system epsilon is not defined,one of the following predefined\n"); - printf(" values will be used:\n"); - printf(" FLT_EPSILON = 1.19209E-07 for floating-point type\n"); - printf(" DBL_EPSILON = 2.22045E-16 for double precision type\n"); - printf(" Can not use with '-p' or '-d'.\n"); - printf(" --exclude-path \"path\"\n"); - printf(" Exclude the specified path to an object when comparing files or groups.\n"); - printf(" If a group is excluded, all member objects will also be excluded.\n"); - printf(" The specified path is excluded wherever it occurs.\n"); - printf(" This flexibility enables the same option to exclude either objects that\n"); - printf(" exist only in one file or common objects that are known to differ.\n"); - printf("\n"); - printf(" When comparing files, \"path\" is the absolute path to the excluded;\n"); - printf(" object; when comparing groups, \"path\" is similar to the relative\n"); - printf(" path from the group to the excluded object. This \"path\" can be\n"); - printf(" taken from the first section of the output of the --verbose option.\n"); - printf(" For example, if you are comparing the group /groupA in two files and\n"); - printf(" you want to exclude /groupA/groupB/groupC in both files, the exclude\n"); - printf(" option would read as follows:\n"); - printf(" --exclude-path \"/groupB/groupC\"\n"); - printf("\n"); - printf(" If there are multiple paths to an object, only the specified path(s)\n"); - printf(" will be excluded; the comparison will include any path not explicitly\n"); - printf(" excluded.\n"); - printf(" This option can be used repeatedly to exclude multiple paths.\n"); - printf("\n"); - - printf(" Modes of output:\n"); - printf(" Default mode: print the number of differences found and where they occured\n"); - printf(" -r Report mode: print the above plus the differences\n"); - printf(" -v Verbose mode: print the above plus a list of objects and warnings\n"); - printf(" -q Quiet mode: do not print output\n"); - - printf("\n"); - - printf(" File comparison:\n"); - printf(" If no objects [obj1[ obj2]] are specified, the h5diff comparison proceeds as\n"); - printf(" a comparison of the two files' root groups. That is, h5diff first compares\n"); - printf(" the names of root group members, generates a report of root group objects\n"); - printf(" that appear in only one file or in both files, and recursively compares\n"); - printf(" common objects.\n"); - printf("\n"); - - printf(" Object comparison:\n"); - printf(" 1) Groups\n"); - printf(" First compares the names of member objects (relative path, from the\n"); - printf(" specified group) and generates a report of objects that appear in only\n"); - printf(" one group or in both groups. Common objects are then compared recursively.\n"); - printf(" 2) Datasets\n"); - printf(" Array rank and dimensions, datatypes, and data values are compared.\n"); - printf(" 3) Datatypes\n"); - printf(" The comparison is based on the return value of H5Tequal.\n"); - printf(" 4) Symbolic links\n"); - printf(" The paths to the target objects are compared.\n"); - printf(" (The option --follow-symlinks overrides the default behavior when\n"); - printf(" symbolic links are compared.).\n"); - printf("\n"); - - printf(" Exit code:\n"); - printf(" 0 if no differences, 1 if differences found, 2 if error\n"); - printf("\n"); - printf(" Examples of use:\n"); - printf(" 1) h5diff file1 file2 /g1/dset1 /g1/dset2\n"); - printf(" Compares object '/g1/dset1' in file1 with '/g1/dset2' in file2\n"); - printf("\n"); - printf(" 2) h5diff file1 file2 /g1/dset1\n"); - printf(" Compares object '/g1/dset1' in both files\n"); - printf("\n"); - printf(" 3) h5diff file1 file2\n"); - printf(" Compares all objects in both files\n"); - printf("\n"); - printf(" Notes:\n"); - printf(" file1 and file2 can be the same file.\n"); - printf(" Use h5diff file1 file1 /g1/dset1 /g1/dset2 to compare\n"); - printf(" '/g1/dset1' and '/g1/dset2' in the same file\n"); - printf("\n"); + PRINTVALSTREAM(rawoutstream, "usage: h5diff [OPTIONS] file1 file2 [obj1[ obj2]]\n"); + PRINTVALSTREAM(rawoutstream, " file1 File name of the first HDF5 file\n"); + PRINTVALSTREAM(rawoutstream, " file2 File name of the second HDF5 file\n"); + PRINTVALSTREAM(rawoutstream, " [obj1] Name of an HDF5 object, in absolute path\n"); + PRINTVALSTREAM(rawoutstream, " [obj2] Name of an HDF5 object, in absolute path\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + PRINTVALSTREAM(rawoutstream, " OPTIONS\n"); + PRINTVALSTREAM(rawoutstream, " -h, --help\n"); + PRINTVALSTREAM(rawoutstream, " Print a usage message and exit.\n"); + PRINTVALSTREAM(rawoutstream, " -V, --version\n"); + PRINTVALSTREAM(rawoutstream, " Print version number and exit.\n"); + PRINTVALSTREAM(rawoutstream, " -r, --report\n"); + PRINTVALSTREAM(rawoutstream, " Report mode. Print differences.\n"); + PRINTVALSTREAM(rawoutstream, " -v --verbose\n"); + PRINTVALSTREAM(rawoutstream, " Verbose mode. Print differences information and list of objects.\n"); + PRINTVALSTREAM(rawoutstream, " -vN --verbose=N\n"); + PRINTVALSTREAM(rawoutstream, " Verbose mode with level. Print differences and list of objects.\n"); + PRINTVALSTREAM(rawoutstream, " Level of detail depends on value of N:\n"); + PRINTVALSTREAM(rawoutstream, " 0 : Identical to '-v' or '--verbose'.\n"); + PRINTVALSTREAM(rawoutstream, " 1 : All level 0 information plus one-line attribute\n"); + PRINTVALSTREAM(rawoutstream, " status summary.\n"); + PRINTVALSTREAM(rawoutstream, " 2 : All level 1 information plus extended attribute\n"); + PRINTVALSTREAM(rawoutstream, " status report.\n"); + PRINTVALSTREAM(rawoutstream, " -q, --quiet\n"); + PRINTVALSTREAM(rawoutstream, " Quiet mode. Do not produce output.\n"); + PRINTVALSTREAM(rawoutstream, " --enable-error-stack\n"); + PRINTVALSTREAM(rawoutstream, " Prints messages from the HDF5 error stack as they occur.\n"); + PRINTVALSTREAM(rawoutstream, " --follow-symlinks\n"); + PRINTVALSTREAM(rawoutstream, " Follow symbolic links (soft links and external links and compare the)\n"); + PRINTVALSTREAM(rawoutstream, " links' target objects.\n"); + PRINTVALSTREAM(rawoutstream, " If symbolic link(s) with the same name exist in the files being\n"); + PRINTVALSTREAM(rawoutstream, " compared, then determine whether the target of each link is an existing\n"); + PRINTVALSTREAM(rawoutstream, " object (dataset, group, or named datatype) or the link is a dangling\n"); + PRINTVALSTREAM(rawoutstream, " link (a soft or external link pointing to a target object that does\n"); + PRINTVALSTREAM(rawoutstream, " not yet exist).\n"); + PRINTVALSTREAM(rawoutstream, " - If both symbolic links are dangling links, they are treated as being\n"); + PRINTVALSTREAM(rawoutstream, " the same; by default, h5diff returns an exit code of 0.\n"); + PRINTVALSTREAM(rawoutstream, " If, however, --no-dangling-links is used with --follow-symlinks,\n"); + PRINTVALSTREAM(rawoutstream, " this situation is treated as an error and h5diff returns an\n"); + PRINTVALSTREAM(rawoutstream, " exit code of 2.\n"); + PRINTVALSTREAM(rawoutstream, " - If only one of the two links is a dangling link,they are treated as\n"); + PRINTVALSTREAM(rawoutstream, " being different and h5diff returns an exit code of 1.\n"); + PRINTVALSTREAM(rawoutstream, " If, however, --no-dangling-links is used with --follow-symlinks,\n"); + PRINTVALSTREAM(rawoutstream, " this situation is treated as an error and h5diff returns an\n"); + PRINTVALSTREAM(rawoutstream, " exit code of 2.\n"); + PRINTVALSTREAM(rawoutstream, " - If both symbolic links point to existing objects, h5diff compares the\n"); + PRINTVALSTREAM(rawoutstream, " two objects.\n"); + PRINTVALSTREAM(rawoutstream, " If any symbolic link specified in the call to h5diff does not exist,\n"); + PRINTVALSTREAM(rawoutstream, " h5diff treats it as an error and returns an exit code of 2.\n"); + PRINTVALSTREAM(rawoutstream, " --no-dangling-links\n"); + PRINTVALSTREAM(rawoutstream, " Must be used with --follow-symlinks option; otherwise, h5diff shows\n"); + PRINTVALSTREAM(rawoutstream, " error message and returns an exit code of 2.\n"); + PRINTVALSTREAM(rawoutstream, " Check for any symbolic links (soft links or external links) that do not\n"); + PRINTVALSTREAM(rawoutstream, " resolve to an existing object (dataset, group, or named datatype).\n"); + PRINTVALSTREAM(rawoutstream, " If any dangling link is found, this situation is treated as an error\n"); + PRINTVALSTREAM(rawoutstream, " and h5diff returns an exit code of 2.\n"); + PRINTVALSTREAM(rawoutstream, " -c, --compare\n"); + PRINTVALSTREAM(rawoutstream, " List objects that are not comparable\n"); + PRINTVALSTREAM(rawoutstream, " -N, --nan\n"); + PRINTVALSTREAM(rawoutstream, " Avoid NaNs detection\n"); + PRINTVALSTREAM(rawoutstream, " -n C, --count=C\n"); + PRINTVALSTREAM(rawoutstream, " Print differences up to C. C must be a positive integer.\n"); + PRINTVALSTREAM(rawoutstream, " -d D, --delta=D\n"); + PRINTVALSTREAM(rawoutstream, " Print difference if (|a-b| > D). D must be a positive number. Where a\n"); + PRINTVALSTREAM(rawoutstream, " is the data point value in file1 and b is the data point value in file2.\n"); + PRINTVALSTREAM(rawoutstream, " Can not use with '-p' or '--use-system-epsilon'.\n"); + PRINTVALSTREAM(rawoutstream, " -p R, --relative=R\n"); + PRINTVALSTREAM(rawoutstream, " Print difference if (|(a-b)/b| > R). R must be a positive number. Where a\n"); + PRINTVALSTREAM(rawoutstream, " is the data point value in file1 and b is the data point value in file2.\n"); + PRINTVALSTREAM(rawoutstream, " Can not use with '-d' or '--use-system-epsilon'.\n"); + PRINTVALSTREAM(rawoutstream, " --use-system-epsilon\n"); + PRINTVALSTREAM(rawoutstream, " Print difference if (|a-b| > EPSILON), EPSILON is system defined value. Where a\n"); + PRINTVALSTREAM(rawoutstream, " is the data point value in file1 and b is the data point value in file2.\n"); + PRINTVALSTREAM(rawoutstream, " If the system epsilon is not defined,one of the following predefined\n"); + PRINTVALSTREAM(rawoutstream, " values will be used:\n"); + PRINTVALSTREAM(rawoutstream, " FLT_EPSILON = 1.19209E-07 for floating-point type\n"); + PRINTVALSTREAM(rawoutstream, " DBL_EPSILON = 2.22045E-16 for double precision type\n"); + PRINTVALSTREAM(rawoutstream, " Can not use with '-p' or '-d'.\n"); + PRINTVALSTREAM(rawoutstream, " --exclude-path \"path\"\n"); + PRINTVALSTREAM(rawoutstream, " Exclude the specified path to an object when comparing files or groups.\n"); + PRINTVALSTREAM(rawoutstream, " If a group is excluded, all member objects will also be excluded.\n"); + PRINTVALSTREAM(rawoutstream, " The specified path is excluded wherever it occurs.\n"); + PRINTVALSTREAM(rawoutstream, " This flexibility enables the same option to exclude either objects that\n"); + PRINTVALSTREAM(rawoutstream, " exist only in one file or common objects that are known to differ.\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + PRINTVALSTREAM(rawoutstream, " When comparing files, \"path\" is the absolute path to the excluded;\n"); + PRINTVALSTREAM(rawoutstream, " object; when comparing groups, \"path\" is similar to the relative\n"); + PRINTVALSTREAM(rawoutstream, " path from the group to the excluded object. This \"path\" can be\n"); + PRINTVALSTREAM(rawoutstream, " taken from the first section of the output of the --verbose option.\n"); + PRINTVALSTREAM(rawoutstream, " For example, if you are comparing the group /groupA in two files and\n"); + PRINTVALSTREAM(rawoutstream, " you want to exclude /groupA/groupB/groupC in both files, the exclude\n"); + PRINTVALSTREAM(rawoutstream, " option would read as follows:\n"); + PRINTVALSTREAM(rawoutstream, " --exclude-path \"/groupB/groupC\"\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + PRINTVALSTREAM(rawoutstream, " If there are multiple paths to an object, only the specified path(s)\n"); + PRINTVALSTREAM(rawoutstream, " will be excluded; the comparison will include any path not explicitly\n"); + PRINTVALSTREAM(rawoutstream, " excluded.\n"); + PRINTVALSTREAM(rawoutstream, " This option can be used repeatedly to exclude multiple paths.\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + + PRINTVALSTREAM(rawoutstream, " Modes of output:\n"); + PRINTVALSTREAM(rawoutstream, " Default mode: print the number of differences found and where they occured\n"); + PRINTVALSTREAM(rawoutstream, " -r Report mode: print the above plus the differences\n"); + PRINTVALSTREAM(rawoutstream, " -v Verbose mode: print the above plus a list of objects and warnings\n"); + PRINTVALSTREAM(rawoutstream, " -q Quiet mode: do not print output\n"); + + PRINTVALSTREAM(rawoutstream, "\n"); + + PRINTVALSTREAM(rawoutstream, " File comparison:\n"); + PRINTVALSTREAM(rawoutstream, " If no objects [obj1[ obj2]] are specified, the h5diff comparison proceeds as\n"); + PRINTVALSTREAM(rawoutstream, " a comparison of the two files' root groups. That is, h5diff first compares\n"); + PRINTVALSTREAM(rawoutstream, " the names of root group members, generates a report of root group objects\n"); + PRINTVALSTREAM(rawoutstream, " that appear in only one file or in both files, and recursively compares\n"); + PRINTVALSTREAM(rawoutstream, " common objects.\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + + PRINTVALSTREAM(rawoutstream, " Object comparison:\n"); + PRINTVALSTREAM(rawoutstream, " 1) Groups\n"); + PRINTVALSTREAM(rawoutstream, " First compares the names of member objects (relative path, from the\n"); + PRINTVALSTREAM(rawoutstream, " specified group) and generates a report of objects that appear in only\n"); + PRINTVALSTREAM(rawoutstream, " one group or in both groups. Common objects are then compared recursively.\n"); + PRINTVALSTREAM(rawoutstream, " 2) Datasets\n"); + PRINTVALSTREAM(rawoutstream, " Array rank and dimensions, datatypes, and data values are compared.\n"); + PRINTVALSTREAM(rawoutstream, " 3) Datatypes\n"); + PRINTVALSTREAM(rawoutstream, " The comparison is based on the return value of H5Tequal.\n"); + PRINTVALSTREAM(rawoutstream, " 4) Symbolic links\n"); + PRINTVALSTREAM(rawoutstream, " The paths to the target objects are compared.\n"); + PRINTVALSTREAM(rawoutstream, " (The option --follow-symlinks overrides the default behavior when\n"); + PRINTVALSTREAM(rawoutstream, " symbolic links are compared.).\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + + PRINTVALSTREAM(rawoutstream, " Exit code:\n"); + PRINTVALSTREAM(rawoutstream, " 0 if no differences, 1 if differences found, 2 if error\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + PRINTVALSTREAM(rawoutstream, " Examples of use:\n"); + PRINTVALSTREAM(rawoutstream, " 1) h5diff file1 file2 /g1/dset1 /g1/dset2\n"); + PRINTVALSTREAM(rawoutstream, " Compares object '/g1/dset1' in file1 with '/g1/dset2' in file2\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + PRINTVALSTREAM(rawoutstream, " 2) h5diff file1 file2 /g1/dset1\n"); + PRINTVALSTREAM(rawoutstream, " Compares object '/g1/dset1' in both files\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + PRINTVALSTREAM(rawoutstream, " 3) h5diff file1 file2\n"); + PRINTVALSTREAM(rawoutstream, " Compares all objects in both files\n"); + PRINTVALSTREAM(rawoutstream, "\n"); + PRINTVALSTREAM(rawoutstream, " Notes:\n"); + PRINTVALSTREAM(rawoutstream, " file1 and file2 can be the same file.\n"); + PRINTVALSTREAM(rawoutstream, " Use h5diff file1 file1 /g1/dset1 /g1/dset2 to compare\n"); + PRINTVALSTREAM(rawoutstream, " '/g1/dset1' and '/g1/dset2' in the same file\n"); + PRINTVALSTREAM(rawoutstream, "\n"); } |