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authorRich Felker <dalias@aerifal.cx>2012-12-03 16:57:01 -0500
committerRich Felker <dalias@aerifal.cx>2012-12-03 16:57:01 -0500
commit769fd4ce202225ba1f2621bbefb803ee9a268ebf (patch)
tree06244a0f20243de6bcf6f8acef96426719cdd09d /include/dirent.h
parent216b706548c16e3bc9612c8a2e5eed23f016504c (diff)
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feature test macros: make _GNU_SOURCE enable everything
previously, a few BSD features were enabled only by _BSD_SOURCE, not by _GNU_SOURCE. since _BSD_SOURCE is default in the absence of other feature test macros, this made adding _GNU_SOURCE to a project not a purely additive feature test macro; it actually caused some features to be suppressed. most of the changes made by this patch actually bring musl in closer alignment with the glibc behavior for _GNU_SOURCE. the only exceptions are the added visibility of functions like strlcpy which were BSD-only due to being disliked/rejected by glibc maintainers. here, I feel the consistency of having _GNU_SOURCE mean "everything", and especially the property of it being purely additive, are more valuable than hiding functions which glibc does not have.
Diffstat (limited to 'include/dirent.h')
-rw-r--r--include/dirent.h9
1 files changed, 2 insertions, 7 deletions
diff --git a/include/dirent.h b/include/dirent.h
index 726067f6..d445f80a 100644
--- a/include/dirent.h
+++ b/include/dirent.h
@@ -9,7 +9,7 @@ extern "C" {
#define __NEED_ino_t
#define __NEED_off_t
-#ifdef _BSD_SOURCE
+#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
#define __NEED_size_t
#endif
@@ -53,16 +53,13 @@ int scandir(const char *, struct dirent ***, int (*)(const struct dirent *), int
#define DT_WHT 14
#define IFTODT(x) ((x)>>12 & 017)
#define DTTOIF(x) ((x)<<12)
+int getdents(int, struct dirent *, size_t);
#endif
#ifdef _GNU_SOURCE
int versionsort(const struct dirent **, const struct dirent **);
#endif
-#ifdef _BSD_SOURCE
-int getdents(int, struct dirent *, size_t);
-#endif
-
#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
#define dirent64 dirent
#define readdir64 readdir
@@ -72,10 +69,8 @@ int getdents(int, struct dirent *, size_t);
#define versionsort64 versionsort
#define off64_t off_t
#define ino64_t ino_t
-#ifdef _BSD_SOURCE
#define getdents64 getdents
#endif
-#endif
#ifdef __cplusplus
}