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Diffstat (limited to 'src/H5make_libsettings.c')
| -rw-r--r-- | src/H5make_libsettings.c | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/src/H5make_libsettings.c b/src/H5make_libsettings.c new file mode 100644 index 0000000..771c510 --- /dev/null +++ b/src/H5make_libsettings.c @@ -0,0 +1,278 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/*keep this declaration near the top of this file -RPM*/ +static const char *FileHeader = "\n\ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n\ + * Copyright by The HDF Group. *\n\ + * Copyright by the Board of Trustees of the University of Illinois. *\n\ + * All rights reserved. *\n\ + * *\n\ + * This file is part of HDF5. The full HDF5 copyright notice, including *\n\ + * terms governing use, modification, and redistribution, is contained in *\n\ + * the files COPYING and Copyright.html. COPYING can be found at the root *\n\ + * of the source code distribution tree; Copyright.html can be found at the *\n\ + * root level of an installed copy of the electronic HDF5 document set and *\n\ + * is linked from the top-level documents page. It can also be found at *\n\ + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *\n\ + * access to either file, you may request a copy from help@hdfgroup.org. *\n\ + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *"; +/* + * + * Created: H5make_libsettings.c + * 17 Mar 2010 + * Quincey Koziol + * + * Purpose: Generate the H5libsettings.h header file from the + * libhdf5.settings file. + * + *------------------------------------------------------------------------- + */ +#include <stdio.h> +#include <time.h> +#include "H5private.h" + +#define LIBSETTINGSFNAME "libhdf5.settings" + + +/*------------------------------------------------------------------------- + * Function: insert_libhdf5_settings + * + * Purpose: insert the contents of libhdf5.settings into a file + * represented by flibinfo. + * Make it an empty string if H5_HAVE_EMBEDDED_LIBINFO is not + * defined, i.e., not enabled. + * + * Return: void + * + * Programmer: Albert Cheng + * Apr 20, 2009 + * + *------------------------------------------------------------------------- + */ +static void +insert_libhdf5_settings(FILE *flibinfo) +{ +#ifdef H5_HAVE_EMBEDDED_LIBINFO + FILE *fsettings; /* for files libhdf5.settings */ + int inchar; + int bol=0; /* indicates the beginning of a new line */ + + if (NULL==(fsettings=HDfopen(LIBSETTINGSFNAME, "r"))){ + perror(LIBSETTINGSFNAME); + exit(1); + } + /* print variable definition and the string */ + fprintf(flibinfo, "static const char H5libhdf5_settings[]=\n"); + bol++; + while (EOF != (inchar = getc(fsettings))){ + if (bol){ + /* Start a new line */ + fprintf(flibinfo, "\t\""); + bol = 0; + } + if (inchar == '\n'){ + /* end of a line */ + fprintf(flibinfo, "\\n\"\n"); + bol++; + }else{ + putc(inchar, flibinfo); + } + } + if (feof(fsettings)){ + /* wrap up */ + if (!bol){ + /* EOF found without a new line */ + fprintf(flibinfo, "\\n\"\n"); + }; + fprintf(flibinfo, ";\n\n"); + }else{ + fprintf(stderr, "Read errors encountered with %s\n", LIBSETTINGSFNAME); + exit(1); + } + if (0 != fclose(fsettings)){ + perror(LIBSETTINGSFNAME); + exit(1); + } +#else + /* print variable definition and an empty string */ + fprintf(flibinfo, "static const char H5libhdf5_settings[]=\"\";\n"); +#endif +} /* insert_libhdf5_settings() */ + + +/*------------------------------------------------------------------------- + * Function: make_libinfo + * + * Purpose: Create the embedded library information definition. + * This sets up for a potential extension that the declaration + * is printed to a file different from stdout. + * + * Return: void + * + * Programmer: Albert Cheng + * Sep 15, 2009 + * + *------------------------------------------------------------------------- + */ +static void +make_libinfo(void) +{ + /* print variable definition and then the string as a macro. */ + insert_libhdf5_settings(stdout); +} + + +/*------------------------------------------------------------------------- + * 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: + * + *------------------------------------------------------------------------- + */ +static void +print_header(void) +{ + time_t now = time(NULL); + struct tm *tm = localtime(&now); + char real_name[30]; + char host_name[256]; + int i; + const char *s; +#ifdef H5_HAVE_GETPWUID + struct passwd *pwd = NULL; +#else + int pwd = 1; +#endif + static const char *month_name[] = + { + "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 library build configuration\n"; + + /* + * The real name is the first item from the passwd gecos field. + */ +#ifdef H5_HAVE_GETPWUID + { + size_t n; + char *comma; + if ((pwd = getpwuid(getuid()))) { + if ((comma = strchr(pwd->pw_gecos, ','))) { + n = MIN(sizeof(real_name)-1, (unsigned)(comma-pwd->pw_gecos)); + strncpy(real_name, pwd->pw_gecos, n); + real_name[n] = '\0'; + } else { + strncpy(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'; +#endif + + /* + * The FQDM of this host or the empty string. + */ +#ifdef H5_HAVE_GETHOSTNAME + if (gethostname(host_name, sizeof(host_name)) < 0) { + host_name[0] = '\0'; + } +#else + host_name[0] = '\0'; +#endif + + /* + * The file header: warning, copyright notice, build information. + */ + printf("/* Generated automatically by H5make_libsettings -- do not edit */\n\n\n"); + puts(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); +#ifdef H5_HAVE_GETPWUID + if (pwd) fputs(pwd->pw_name, stdout); +#endif + if (host_name[0]) printf("@%s", host_name); + if (real_name[0]) printf(">"); + putchar('\n'); + } + printf(" *\n * Purpose:\t\t"); + for (s = purpose; *s; s++) { + putchar(*s); + if ('\n' == *s && s[1]) printf(" *\t\t\t"); + } + + printf(" *\n * Modifications:\n *\n"); + printf(" *\tDO NOT MAKE MODIFICATIONS TO THIS FILE!\n"); + printf(" *\tIt was generated by code in `H5make_libsettings.c'.\n"); + + printf(" *\n *"); + for (i = 0; i < 73; i++) putchar('-'); + printf("\n */\n\n"); + +} + + +/*------------------------------------------------------------------------- + * Function: main + * + * Purpose: Main entry point. + * + * Return: Success: exit(0) + * + * Failure: exit(1) + * + * Programmer: Robb Matzke + * matzke@llnl.gov + * Jun 12, 1996 + * + * Modifications: + * Albert Cheng, 2004/05/20 + * 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. + * + *------------------------------------------------------------------------- + */ +int +main(void) +{ + + print_header(); + + /* Generate embedded library information variable definition */ + make_libinfo(); + + return 0; +} + |