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