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Identify the C Language Binding Option of IEEE Std. 1003.2-1992.

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This represents the original standardization of the following functions
and headers:

	popen()
	<regex.h>: regcomp(), regexec(), regerror(), regfree()
	<fnmatch.h>: fnmatch()
	getopt(), optarg, optind, opterr, optopt
	<glob.h>: glob()
	<wordexp.h>: wordexp(), wordfree()
	confstr()
This commit is contained in:
wollman 2002-07-15 16:44:07 +00:00
parent 3a2f2e6f8f
commit 59fe75dd81
1 changed files with 11 additions and 1 deletions
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12
sys/sys/cdefs.h
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@ -303,6 +303,7 @@
* Here's a quick run-down of the versions:
* defined(_POSIX_SOURCE) 1003.1-1988
* _POSIX_C_SOURCE == 1 1003.1-1990
* _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option
* _POSIX_C_SOURCE == 199309 1003.1b-1993
* _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995,
* and the omnibus ISO/IEC 9945-1: 1996
@ -316,11 +317,17 @@
*/
/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE < 199309
#if _POSIX_C_SOURCE == 1
#undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */
#define _POSIX_C_SOURCE 199009
#endif
/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */
#if _POSIX_C_SOURCE == 2
#undef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 199209
#endif
/* Deal with various X/Open Portability Guides and Single UNIX Spec. */
#ifdef _XOPEN_SOURCE
#if _XOPEN_SOURCE - 0 >= 600
@ -351,6 +358,9 @@
#elif _POSIX_C_SOURCE >= 199309
#define __POSIX_VISIBLE 199309
#define __ISO_C_VISIBLE 1990
#elif _POSIX_C_SOURCE >= 199209
#define __POSIX_VISIBLE 199209
#define __ISO_C_VISIBLE 1990
#elif _POSIX_C_SOURCE >= 199009
#define __POSIX_VISIBLE 199009
#define __ISO_C_VISIBLE 1990