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authorPaul Pluzhnikov <ppluzhnikov@google.com>2015-03-09 14:41:35 -0700
committerPaul Pluzhnikov <ppluzhnikov@google.com>2015-03-09 14:41:35 -0700
commit01d032e0bb911f855963f75449e4fbe48e657292 (patch)
tree4fafb38c3a795493ca06e85057f81eb9675dcb8e /posix
parentd439bc56e1047b896262941611c6be0b6a40965b (diff)
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Minor refactoring:
	* posix/wordexp.c (CHAR_IN_SET): New macro.
	(parse_param): Use it.
Diffstat (limited to 'posix')
-rw-r--r--posix/wordexp.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/posix/wordexp.c b/posix/wordexp.c
index 36b6fff0db..f470e083ef 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,