96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/**
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* \file system.h
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*
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* Some misc low-level API
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*/
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#ifndef H_SYSTEM
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#define H_SYSTEM
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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/* <unistd.h> should be included before any preprocessor test
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of _POSIX_VERSION. */
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#if !defined(__GLIBC__)
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#ifdef __APPLE__
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#include <crt_externs.h>
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#define environ (*_NSGetEnviron())
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#else
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extern char ** environ;
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#endif /* __APPLE__ */
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#endif
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#endif
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#if defined(HAVE_SECURE_GETENV)
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#define getenv(_s) secure_getenv(_s)
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#elif defined(HAVE___SECURE_GETENV)
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#define getenv(_s) __secure_getenv(_s)
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#endif
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifndef PATH_MAX
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#ifdef _POSIX_PATH_MAX
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#define PATH_MAX _POSIX_PATH_MAX
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#elif defined MAXPATHLEN
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#define PATH_MAX MAXPATHLEN
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#else
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#define PATH_MAX 256
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#endif
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#endif
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#if defined(HAVE_FDATASYNC) && !HAVE_DECL_FDATASYNC
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extern int fdatasync(int fildes);
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#endif
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#include <rpm/rpmutil.h>
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/* compatibility macros to avoid a mass-renaming all over the codebase */
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#define xmalloc(_size) rmalloc((_size))
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#define xmallocn(_nmemb, _size) rreallocn(NULL, (_nmemb), (_size))
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#define xcalloc(_nmemb, _size) rcalloc((_nmemb), (_size))
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#define xrealloc(_ptr, _size) rrealloc((_ptr), (_size))
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#define xreallocn(_ptr, _nmemb, _size) rreallocn((_ptr), (_nmemb), (_size))
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#define xstrdup(_str) rstrdup((_str))
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#define _free(_ptr) rfree((_ptr))
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/* To extract program's name: use calls (reimplemented or shipped with system):
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- void setprogname(const char *pn)
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- const char *getprogname(void)
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setprogname(*pn) must be the first call in main() in order to set the name
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as soon as possible. */
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#if defined(HAVE_SETPROGNAME) /* BSD'ish systems */
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# include <stdlib.h> /* Make sure this header is included */
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# define xsetprogname(pn) setprogname(pn)
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# define xgetprogname(pn) getprogname(pn)
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#elif defined(HAVE___PROGNAME) /* glibc and others */
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# define xsetprogname(pn)
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extern const char *__progname;
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# define xgetprogname(pn) __progname
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#else
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# error "Did not find any sutable implementation of xsetprogname/xgetprogname"
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#endif
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/* Take care of NLS matters. */
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#if defined(ENABLE_NLS)
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# include <locale.h>
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# include <libintl.h>
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# define _(Text) dgettext (PACKAGE, Text)
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#else
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# define _(Text) Text
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#endif
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#define N_(Text) Text
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#endif /* H_SYSTEM */
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