File ImageMagick-CVE-2017-13134.patch of Package ImageMagick
--- a/coders/sfw.c
+++ b/coders/sfw.c
@@ -127,16 +127,15 @@ static unsigned char *SFWScan(unsigned char *p,const unsigned char *q,
register ssize_t
i;
- if ((p+length) < q)
- while (p < q)
- {
- for (i=0; i < (ssize_t) length; i++)
- if (p[i] != target[i])
- break;
- if (i == (ssize_t) length)
- return((unsigned char *) p);
- p++;
- }
+ while ((p+length) < q)
+ {
+ for (i=0; i < (ssize_t) length; i++)
+ if (p[i] != target[i])
+ break;
+ if (i == (ssize_t) length)
+ return((unsigned char *) p);
+ p++;
+ }
return((unsigned char *) NULL);
}