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Don't use a nested function in rpmatch.

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This commit is contained in:
Roland McGrath 2014-09-12 14:58:55 -07:00
parent ba90e05052
commit c079afb772
2 changed files with 33 additions and 30 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2014-09-12 Roland McGrath <roland@hack.frob.com>
* stdlib/rpmatch.c (try): New function, broken out of ...
(rpmatch): ... local function here. Also, prototypify definition.
2014-09-12 Joseph Myers <joseph@codesourcery.com>
* scripts/soversions.awk: Do not handle configuration names.

20
stdlib/rpmatch.c
View File

@ -22,23 +22,18 @@
#include <regex.h>
int
rpmatch (response)
const char *response;
{
/* Match against one of the response patterns, compiling the pattern
first if necessary. */
auto int try (const int tag, const int match, const int nomatch,
const char **lastp, regex_t *re);
int try (const int tag, const int match, const int nomatch,
static int
try (const char *response,
const int tag, const int match, const int nomatch,
const char **lastp, regex_t *re)
{
const char *pattern = nl_langinfo (tag);
if (pattern != *lastp)
{
/* The pattern has changed. */
if (*lastp)
if (*lastp != NULL)
{
/* Free the old compiled pattern. */
__regfree (re);
@ -54,10 +49,13 @@ rpmatch (response)
return __regexec (re, response, 0, NULL, 0) == 0 ? match : nomatch;
}
int
rpmatch (const char *response)
{
/* We cache the response patterns and compiled regexps here. */
static const char *yesexpr, *noexpr;
static regex_t yesre, nore;
return (try (YESEXPR, 1, 0, &yesexpr, &yesre) ?:
try (NOEXPR, 0, -1, &noexpr, &nore));
return (try (response, YESEXPR, 1, 0, &yesexpr, &yesre) ?:
try (response, NOEXPR, 0, -1, &noexpr, &nore));
}