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[PATCH] fnmatch.h: use standard internal defines
- From: Mike Frysinger <vapier at gentoo dot org>
- To: libc-alpha at sourceware dot org
- Date: Sun, 27 Nov 2016 02:04:10 -0500
- Subject: [PATCH] fnmatch.h: use standard internal defines
- Authentication-results: sourceware.org; auth=none
Use features.h for the start/end brackets of C code, and switch to using
__USE_GNU/__USE_XOPEN rather than parsing the symbols directly.
We also drop support for exporting the GNU-extensions when _POSIX_C_SOURCE
is defined to 1 as these aren't in POSIX.
2016-11-27 Mike Frysinger <vapier@gentoo.org>
* posix/fnmatch.h: Include features.h. Replace extern "C" with
__BEGIN_DECLS and __END_DECLS. Drop _POSIX_C_SOURCE checking.
Change _GNU_SOURCE to __USE_GNU. Change _XOPEN_SOURCE to
__USE_XOPEN.
---
posix/fnmatch.h | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/posix/fnmatch.h b/posix/fnmatch.h
index fdfaf90ba9b9..60a52d4bc755 100644
--- a/posix/fnmatch.h
+++ b/posix/fnmatch.h
@@ -18,9 +18,9 @@
#ifndef _FNMATCH_H
#define _FNMATCH_H 1
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include <features.h>
+
+__BEGIN_DECLS
/* We #undef these before defining them because some losing systems
(HP-UX A.08.07 for example) define these in <unistd.h>. */
@@ -33,7 +33,7 @@ extern "C" {
#define FNM_NOESCAPE (1 << 1) /* Backslashes don't quote special chars. */
#define FNM_PERIOD (1 << 2) /* Leading `.' is matched only explicitly. */
-#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _GNU_SOURCE
+#ifdef __USE_GNU
# define FNM_FILE_NAME FNM_PATHNAME /* Preferred GNU name. */
# define FNM_LEADING_DIR (1 << 3) /* Ignore `/...' after a match. */
# define FNM_CASEFOLD (1 << 4) /* Compare without regard to case. */
@@ -47,7 +47,7 @@ extern "C" {
`fnmatch'. Since this is not the case here it will never be
returned but the conformance test suites still require the symbol
to be defined. */
-#ifdef _XOPEN_SOURCE
+#ifdef __USE_XOPEN
# define FNM_NOSYS (-1)
#endif
@@ -55,8 +55,6 @@ extern "C" {
returning zero if it matches, FNM_NOMATCH if not. */
extern int fnmatch (const char *__pattern, const char *__name, int __flags);
-#ifdef __cplusplus
-}
-#endif
+__END_DECLS
#endif /* fnmatch.h */
--
2.11.0.rc2