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authorJoseph Myers <joseph@codesourcery.com>2016-05-10 14:56:49 +0000
committerJoseph Myers <joseph@codesourcery.com>2016-05-10 14:56:49 +0000
commitb9eca49e378d183ddf418f5deae1f389cd31dc28 (patch)
tree616ed28e2d02f4cb7b0ab24300a0fa9bd3952fd2 /posix
parent4efdc6d956f4ba40f27356e6fc54e40527de63fe (diff)
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Declare cuserid in unistd.h for UNIX98 and before (bug 20043).
For UNIX98 and older X/Open standards, unistd.h should have a declaration of the legacy cuserid function, but such a declaration is missing. This patch adds that missing declaration. Tested for x86_64 and x86 (testsuite, and that installed stripped shared libraries are unchanged by the patch). [BZ #20043] * posix/unistd.h [__USE_XOPEN && !__USE_XOPEN2K] (cuserid): New prototype.
Diffstat (limited to 'posix')
-rw-r--r--posix/unistd.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 405638c..4722f7f 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -1138,11 +1138,15 @@ extern void swab (const void *__restrict __from, void *__restrict __to,
#endif
-/* The Single Unix specification demands this prototype to be here.
- It is also found in <stdio.h>. */
+/* Prior to Issue 6, the Single Unix Specification required these
+ prototypes to appear in this header. They are also found in
+ <stdio.h>. */
#if defined __USE_XOPEN && !defined __USE_XOPEN2K
/* Return the name of the controlling terminal. */
extern char *ctermid (char *__s) __THROW;
+
+/* Return the name of the current user. */
+extern char *cuserid (char *__s);
#endif