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authorRich Felker <dalias@aerifal.cx>2012-09-06 22:44:55 -0400
committerRich Felker <dalias@aerifal.cx>2012-09-06 22:44:55 -0400
commit400c5e5c8307a2ebe44ef1f203f5a15669f20347 (patch)
tree087a48dc8251fa05f6866af8ebf96b69450b15ab /include/dirent.h
parentbac03cdde1137c16b4c194e137310e2748661dcc (diff)
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use restrict everywhere it's required by c99 and/or posix 2008
to deal with the fact that the public headers may be used with pre-c99 compilers, __restrict is used in place of restrict, and defined appropriately for any supported compiler. we also avoid the form [restrict] since older versions of gcc rejected it due to a bug in the original c99 standard, and instead use the form *restrict.
Diffstat (limited to 'include/dirent.h')
-rw-r--r--include/dirent.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/dirent.h b/include/dirent.h
index c19f7d58..b6261595 100644
--- a/include/dirent.h
+++ b/include/dirent.h
@@ -5,6 +5,12 @@
extern "C" {
#endif
+#if __STDC_VERSION__ >= 199901L
+#define __restrict restrict
+#elif !defined(__GNUC__)
+#define __restrict
+#endif
+
#define __NEED_ino_t
#define __NEED_off_t
#ifdef _BSD_SOURCE
@@ -30,7 +36,7 @@ int closedir(DIR *);
DIR *fdopendir(int);
DIR *opendir(const char *);
struct dirent *readdir(DIR *);
-int readdir_r(DIR *, struct dirent *, struct dirent **);
+int readdir_r(DIR *__restrict, struct dirent *__restrict, struct dirent **__restrict);
void rewinddir(DIR *);
void seekdir(DIR *, long);
long telldir(DIR *);