|
 |
147e83 |
commit c079afb7724ce4b9ff2d6b1ca4d7e3cdebcbcd1f
|
|
|
147e83 |
Author: Roland McGrath <roland@hack.frob.com>
|
|
|
147e83 |
Date: Fri Sep 12 14:58:55 2014 -0700
|
|
|
147e83 |
|
|
|
147e83 |
Don't use a nested function in rpmatch.
|
|
|
147e83 |
|
|
|
147e83 |
diff --git a/stdlib/rpmatch.c b/stdlib/rpmatch.c
|
|
|
147e83 |
index 31285879ee7e6ff6..8c6290551bae1bcf 100644
|
|
|
147e83 |
--- a/stdlib/rpmatch.c
|
|
|
147e83 |
+++ b/stdlib/rpmatch.c
|
|
|
147e83 |
@@ -22,42 +22,40 @@
|
|
|
147e83 |
#include <regex.h>
|
|
|
147e83 |
|
|
|
147e83 |
|
|
|
147e83 |
-int
|
|
|
147e83 |
-rpmatch (response)
|
|
|
147e83 |
- const char *response;
|
|
|
147e83 |
+/* Match against one of the response patterns, compiling the pattern
|
|
|
147e83 |
+ first if necessary. */
|
|
|
147e83 |
+static int
|
|
|
147e83 |
+try (const char *response,
|
|
|
147e83 |
+ const int tag, const int match, const int nomatch,
|
|
|
147e83 |
+ const char **lastp, regex_t *re)
|
|
|
147e83 |
{
|
|
|
147e83 |
- /* Match against one of the response patterns, compiling the pattern
|
|
|
147e83 |
- first if necessary. */
|
|
|
147e83 |
- auto int try (const int tag, const int match, const int nomatch,
|
|
|
147e83 |
- const char **lastp, regex_t *re);
|
|
|
147e83 |
-
|
|
|
147e83 |
- int try (const int tag, const int match, const int nomatch,
|
|
|
147e83 |
- const char **lastp, regex_t *re)
|
|
|
147e83 |
+ const char *pattern = nl_langinfo (tag);
|
|
|
147e83 |
+ if (pattern != *lastp)
|
|
|
147e83 |
{
|
|
|
147e83 |
- const char *pattern = nl_langinfo (tag);
|
|
|
147e83 |
- if (pattern != *lastp)
|
|
|
147e83 |
- {
|
|
|
147e83 |
- /* The pattern has changed. */
|
|
|
147e83 |
- if (*lastp)
|
|
|
147e83 |
- {
|
|
|
147e83 |
- /* Free the old compiled pattern. */
|
|
|
147e83 |
- __regfree (re);
|
|
|
147e83 |
- *lastp = NULL;
|
|
|
147e83 |
- }
|
|
|
147e83 |
- /* Compile the pattern and cache it for future runs. */
|
|
|
147e83 |
- if (__regcomp (re, pattern, REG_EXTENDED) != 0)
|
|
|
147e83 |
- return -1;
|
|
|
147e83 |
- *lastp = pattern;
|
|
|
147e83 |
- }
|
|
|
147e83 |
-
|
|
|
147e83 |
- /* Try the pattern. */
|
|
|
147e83 |
- return __regexec (re, response, 0, NULL, 0) == 0 ? match : nomatch;
|
|
|
147e83 |
+ /* The pattern has changed. */
|
|
|
147e83 |
+ if (*lastp != NULL)
|
|
|
147e83 |
+ {
|
|
|
147e83 |
+ /* Free the old compiled pattern. */
|
|
|
147e83 |
+ __regfree (re);
|
|
|
147e83 |
+ *lastp = NULL;
|
|
|
147e83 |
+ }
|
|
|
147e83 |
+ /* Compile the pattern and cache it for future runs. */
|
|
|
147e83 |
+ if (__regcomp (re, pattern, REG_EXTENDED) != 0)
|
|
|
147e83 |
+ return -1;
|
|
|
147e83 |
+ *lastp = pattern;
|
|
|
147e83 |
}
|
|
|
147e83 |
|
|
|
147e83 |
+ /* Try the pattern. */
|
|
|
147e83 |
+ return __regexec (re, response, 0, NULL, 0) == 0 ? match : nomatch;
|
|
|
147e83 |
+}
|
|
|
147e83 |
+
|
|
|
147e83 |
+int
|
|
|
147e83 |
+rpmatch (const char *response)
|
|
|
147e83 |
+{
|
|
|
147e83 |
/* We cache the response patterns and compiled regexps here. */
|
|
|
147e83 |
static const char *yesexpr, *noexpr;
|
|
|
147e83 |
static regex_t yesre, nore;
|
|
|
147e83 |
|
|
|
147e83 |
- return (try (YESEXPR, 1, 0, &yesexpr, &yesre) ?:
|
|
|
147e83 |
- try (NOEXPR, 0, -1, &noexpr, &nore));
|
|
|
147e83 |
+ return (try (response, YESEXPR, 1, 0, &yesexpr, &yesre) ?:
|
|
|
147e83 |
+ try (response, NOEXPR, 0, -1, &noexpr, &nore));
|
|
|
147e83 |
}
|