- int low=0,high=flist->count;
-
- while (low != high) {
- int mid = (low+high)/2;
- int ret = flist_compare(&flist->files[mid],f);
- if (ret == 0) return mid;
- if (ret > 0)
- high=mid;
- else
- low=mid+1;
- }
- if (flist_compare(&flist->files[low],f) == 0)
- return low;
- return -1;
+ int low=0,high=flist->count-1;
+
+ if (flist->count <= 0) return -1;
+
+ while (low != high) {
+ int mid = (low+high)/2;
+ int ret = file_compare(&flist->files[flist_up(flist, mid)],f);
+ if (ret == 0) return flist_up(flist, mid);
+ if (ret > 0) {
+ high=mid;
+ } else {
+ low=mid+1;
+ }
+ }
+
+ if (file_compare(&flist->files[flist_up(flist,low)],f) == 0)
+ return flist_up(flist,low);
+ return -1;