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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2021-03-08 19:53:29 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2021-03-14 21:29:13 +0100 |
| commit | 716df87cf9c820bf409f2eb10f9e623d39d51b3d (patch) | |
| tree | 8f7a5ac92ea877dccad725a14bf9fb98877c10ce /man3/regex.3 | |
| parent | 0f8d366c7e8f826b0f6b8a373af3c910ff0cf8fe (diff) | |
| download | man-pages-716df87cf9c820bf409f2eb10f9e623d39d51b3d.tar.gz | |
regex.3: SYNOPSIS: Use 'restrict' in prototypes
Both POSIX and glibc use 'restrict' in regcomp(), regexec(),
regerror().
Let's use it here too.
.../glibc$ grep_glibc_prototype regcomp
posix/regex.h:644:
extern int regcomp (regex_t *_Restrict_ __preg,
const char *_Restrict_ __pattern,
int __cflags);
.../glibc$ grep_glibc_prototype regexec
posix/regex.h:648:
extern int regexec (const regex_t *_Restrict_ __preg,
const char *_Restrict_ __String, size_t __nmatch,
regmatch_t __pmatch[_Restrict_arr_],
int __eflags);
.../glibc$ grep_glibc_prototype regerror
posix/regex.h:653:
extern size_t regerror (int __errcode, const regex_t *_Restrict_ __preg,
char *_Restrict_ __errbuf, size_t __errbuf_size);
.../glibc$
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man3/regex.3')
| -rw-r--r-- | man3/regex.3 | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/man3/regex.3 b/man3/regex.3 index 79af42ff4d..12e43b3f98 100644 --- a/man3/regex.3 +++ b/man3/regex.3 @@ -34,13 +34,15 @@ regcomp, regexec, regerror, regfree \- POSIX regex functions .nf .B #include <regex.h> .PP -.BI "int regcomp(regex_t *" preg ", const char *" regex ", int " cflags ); -.BI "int regexec(const regex_t *" preg ", const char *" string \ -", size_t " nmatch , -.BI " regmatch_t " pmatch[] ", int " eflags ); +.BI "int regcomp(regex_t *restrict " preg ", const char *restrict " regex , +.BI " int " cflags ); +.BI "int regexec(const regex_t *restrict " preg \ +", const char *restrict " string , +.BI " size_t " nmatch ", regmatch_t " pmatch "[restrict]\ +, int " eflags ); .PP -.BI "size_t regerror(int " errcode ", const regex_t *" preg ", char *" errbuf , -.BI " size_t " errbuf_size ); +.BI "size_t regerror(int " errcode ", const regex_t *restrict " preg , +.BI " char *restrict " errbuf ", size_t " errbuf_size ); .BI "void regfree(regex_t *" preg ); .fi .SH DESCRIPTION |