From: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Mon, 9 Mar 2015 21:41:35 +0000 (-0700)
Subject: Minor refactoring:
X-Git-Tag: glibc-2.22~491
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01d032e0bb911f855963f75449e4fbe48e657292;p=thirdparty%2Fglibc.git

Minor refactoring:

	* posix/wordexp.c (CHAR_IN_SET): New macro.
	(parse_param): Use it.
---

diff --git a/ChangeLog b/ChangeLog
index d8dfbc1c7ff..b6467fd4ee4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-09  Paul Pluzhnikov  <ppluzhnikov@google.com>
+
+	* posix/wordexp.c (CHAR_IN_SET): New macro.
+	(parse_param): Use it.
+
 2015-03-09  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
 
 	* sysdeps/powerpc/fpu/libm-test-ulps: update.
diff --git a/posix/wordexp.c b/posix/wordexp.c
index 36b6fff0dbf..f470e083efa 100644
--- a/posix/wordexp.c
+++ b/posix/wordexp.c
@@ -1218,6 +1218,9 @@ parse_comm (char **word, size_t *word_length, size_t *max_length,
   return WRDE_SYNTAX;
 }
 
+#define CHAR_IN_SET(ch, char_set) \
+  (memchr (char_set "", ch, sizeof (char_set) - 1) != NULL)
+
 static int
 internal_function
 parse_param (char **word, size_t *word_length, size_t *max_length,
@@ -1299,7 +1302,7 @@ parse_param (char **word, size_t *word_length, size_t *max_length,
 	}
       while (isdigit(words[++*offset]));
     }
-  else if (words[*offset] != '\0' && strchr ("*@$", words[*offset]) != NULL)
+  else if (CHAR_IN_SET (words[*offset], "*@$"))
     {
       /* Special parameter. */
       special = 1;
@@ -1343,8 +1346,7 @@ parse_param (char **word, size_t *word_length, size_t *max_length,
 	  break;
 
 	case ':':
-	  if (words[1 + *offset] == '\0'
-	      || strchr ("-=?+", words[1 + *offset]) == NULL)
+	  if (!CHAR_IN_SET (words[1 + *offset], "-=?+"))
 	    goto syntax;
 
 	  colon_seen = 1;
@@ -2046,6 +2048,8 @@ do_error:
   return error;
 }
 
+#undef CHAR_IN_SET
+
 static int
 internal_function
 parse_dollars (char **word, size_t *word_length, size_t *max_length,