Clean up ast_check_digits

The code was originally copied from the is_int() function in the AEL
code. wdoekes pointed out that the function should take a const char*
and that their was an unneeded variable. This is now fixed.
........

Merged revisions 341529 from http://svn.asterisk.org/svn/asterisk/branches/1.8

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10@341530 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/include/asterisk/strings.h b/include/asterisk/strings.h
index cd69c6b6b99eb3379257a1eb2596b8e4ae692ae1..2a8b0e490544326a30489b8924281a6559ddbe65 100644 (file)
--- a/include/asterisk/strings.h
+++ b/include/asterisk/strings.h
@@ -878,13 +878,13 @@ int __attribute__((format(printf, 3, 4))) ast_str_append(
  * \retval 0 The string contains non-digit characters
  */
 AST_INLINE_API(
-int ast_check_digits(char *arg),
+int ast_check_digits(const char *arg),
 {
-       char *s;
-       for (s=arg; *s; s++) {
-               if (*s < '0' || *s > '9') {
+       while (*arg) {
+               if (*arg < '0' || *arg > '9') {
                        return 0;
                }
+               arg++;
        }
        return 1;
 }