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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2021-02-24 15:42:58 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2021-03-03 23:12:22 +0100 |
| commit | 0300d62fc1b422d6a9571cfdfdd5eec2af0059b0 (patch) | |
| tree | 2e2d1a179567fb4d3bb07a24105fd15d656867df | |
| parent | cd7ebdf9ae72ca45611cf6117f4e9fe21eb2b4b4 (diff) | |
| download | man-pages-0300d62fc1b422d6a9571cfdfdd5eec2af0059b0.tar.gz | |
ctime.3: SYNOPSIS: Use 'restrict' in prototypes
POSIX does NOT specify ctime_r() to use 'restrict'.
However, glibc uses 'restrict'.
Users might be surprised by this! Let's use it here too!
......
.../glibc$ grep_glibc_prototype ctime_r
timezone/private.h:504:
char *ctime_r(time_t const *, char *);
timezone/private.h:712:
char *ctime_r(time_t const *, char *);
time/time.h:153:
extern char *ctime_r (const time_t *__restrict __timer,
char *__restrict __buf) __THROW;
.../glibc$
Cc: <libc-alpha@sourceware.org>
Cc: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man3/ctime.3 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/man3/ctime.3 b/man3/ctime.3 index c5434c84f5..d95641444b 100644 --- a/man3/ctime.3 +++ b/man3/ctime.3 @@ -44,7 +44,7 @@ localtime_r \- transform date and time to broken-down time or ASCII .BI "char *asctime_r(const struct tm *restrict " tm ", char *restrict " buf ); .PP .BI "char *ctime(const time_t *" timep ); -.BI "char *ctime_r(const time_t *" timep ", char *" buf ); +.BI "char *ctime_r(const time_t *restrict " timep ", char *restrict " buf ); .PP .BI "struct tm *gmtime(const time_t *" timep ); .BI "struct tm *gmtime_r(const time_t *restrict " timep , @@ -381,6 +381,12 @@ as obsolete, recommending the use of .BR strftime (3) instead. +.PP +POSIX doesn't specify the parameters of +.BR ctime_r () +to be +.IR restrict ; +that is specific to glibc. .SH NOTES The four functions .BR asctime (), |