Fix strswab() to reliably find end of string

Patch by Andrew Dyer, 08 Feb 2005
This commit is contained in:
Wolfgang Denk 2005-09-25 16:15:17 +02:00
parent 6ed6ce62be
commit 389db1f113
2 changed files with 9 additions and 5 deletions

View File

@ -2,6 +2,9 @@
Changes for U-Boot 1.1.4:
======================================================================
* Fix strswab() to reliably find end of string
Patch by Andrew Dyer, 08 Feb 2005
* Fix typos in include/ppc440.h
Patch by Andrew E Mileski, 04 Feb 2005

View File

@ -374,17 +374,18 @@ char * strsep(char **s, const char *ct)
*/
char *strswab(const char *s)
{
char *p;
char *p, *q;
if ((NULL == s) || ('\0' == *s)) {
return (NULL);
}
for (p = ((char *)s + 1); '\0' != *p; p += 2) {
for (p=(char *)s, q=p+1; (*p != '\0') && (*p != '\0'); p+=2, q+=2) {
char tmp;
tmp = *(p-1);
*(p-1) = *p;
*p = tmp;
tmp = *p;
*p = *q;
*q = tmp;
}
return (char *) s;