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authorPaul Eggert <eggert@cs.ucla.edu>2018-12-26 14:13:43 -0800
committerPaul Eggert <eggert@cs.ucla.edu>2018-12-27 11:17:06 -0800
commitc0feb731d5bd063f351487c28eadaf37b33d07a5 (patch)
tree7e8a78f51ab1f1b0cb257f518bd93af30c9ccc58 /posix/regcomp.c
parent5289f1f56b7174da6b036d24a7626d9cd658fb01 (diff)
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regex: simplify Gnulib port
This simplifies the code, by removing stuff intended for porting to Gnulib but no longer needed there. * posix/regcomp.c [!_LIBC]: No need to put #ifdef _LIBC around uses of libc_hidden_def, weak_alias. * posix/regcomp.c, posix/regexec.c: Use __restrict rather than _Restrict_ except for public-facing headers. * posix/regex_internal.h (attribute_hidden) [!_LIBC]: Remove; already defined elsewhere. * posix/regex.c, posix/regex_internal.h: Use __GNUC_PREREQ instead of rolling our own. * posix/regex_internal.h (__GNUC_PREREQ): Remove duplicate defn.
Diffstat (limited to 'posix/regcomp.c')
-rw-r--r--posix/regcomp.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/posix/regcomp.c b/posix/regcomp.c
index 3ede12b..e03900a 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -233,9 +233,7 @@ re_compile_pattern (const char *pattern, size_t length,
return NULL;
return gettext (__re_error_msgid + __re_error_msgid_idx[(int) ret]);
}
-#ifdef _LIBC
weak_alias (__re_compile_pattern, re_compile_pattern)
-#endif
/* Set by 're_set_syntax' to the current regexp syntax to recognize. Can
also be assigned to arbitrarily: each pattern buffer stores its own
@@ -260,9 +258,7 @@ re_set_syntax (reg_syntax_t syntax)
re_syntax_options = syntax;
return ret;
}
-#ifdef _LIBC
weak_alias (__re_set_syntax, re_set_syntax)
-#endif
int
re_compile_fastmap (struct re_pattern_buffer *bufp)
@@ -281,9 +277,7 @@ re_compile_fastmap (struct re_pattern_buffer *bufp)
bufp->fastmap_accurate = 1;
return 0;
}
-#ifdef _LIBC
weak_alias (__re_compile_fastmap, re_compile_fastmap)
-#endif
static inline void
__attribute__ ((always_inline))
@@ -464,7 +458,7 @@ re_compile_fastmap_iter (regex_t *bufp, const re_dfastate_t *init_state,
the return codes and their meanings.) */
int
-regcomp (regex_t *_Restrict_ preg, const char *_Restrict_ pattern, int cflags)
+regcomp (regex_t *__restrict preg, const char *__restrict pattern, int cflags)
{
reg_errcode_t ret;
reg_syntax_t syntax = ((cflags & REG_EXTENDED) ? RE_SYNTAX_POSIX_EXTENDED
@@ -515,16 +509,14 @@ regcomp (regex_t *_Restrict_ preg, const char *_Restrict_ pattern, int cflags)
return (int) ret;
}
-#ifdef _LIBC
libc_hidden_def (__regcomp)
weak_alias (__regcomp, regcomp)
-#endif
/* Returns a message corresponding to an error code, ERRCODE, returned
from either regcomp or regexec. We don't use PREG here. */
size_t
-regerror (int errcode, const regex_t *_Restrict_ preg, char *_Restrict_ errbuf,
+regerror (int errcode, const regex_t *__restrict preg, char *__restrict errbuf,
size_t errbuf_size)
{
const char *msg;
@@ -555,9 +547,7 @@ regerror (int errcode, const regex_t *_Restrict_ preg, char *_Restrict_ errbuf,
return msg_size;
}
-#ifdef _LIBC
weak_alias (__regerror, regerror)
-#endif
#ifdef RE_ENABLE_I18N
@@ -657,10 +647,8 @@ regfree (regex_t *preg)
re_free (preg->translate);
preg->translate = NULL;
}
-#ifdef _LIBC
libc_hidden_def (__regfree)
weak_alias (__regfree, regfree)
-#endif
/* Entry points compatible with 4.2 BSD regex library. We don't define
them unless specifically requested. */