diff options
Diffstat (limited to 'string/strxfrm.c')
| -rw-r--r-- | string/strxfrm.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/string/strxfrm.c b/string/strxfrm.c index 67d15d5b4b..6fc795f9c8 100644 --- a/string/strxfrm.c +++ b/string/strxfrm.c @@ -267,9 +267,10 @@ STRXFRM (char *dest, const char *src, size_t n, __locale_t l) /* Handle the pushed elements now. */ size_t backw; - for (backw = idxcnt - 1; backw >= backw_stop; --backw) + backw = idxcnt; + while (backw > backw_stop) { - size_t len = weights[idxarr[backw]++]; + size_t len = weights[idxarr[--backw]++]; if (needed + len < n) while (len-- > 0) @@ -363,9 +364,10 @@ STRXFRM (char *dest, const char *src, size_t n, __locale_t l) /* Handle the pushed elements now. */ size_t backw; - for (backw = idxmax - 1; backw >= backw_stop; --backw) + backw = idxmax - 1; + while (backw > backw_stop) { - size_t len = weights[idxarr[backw]++]; + size_t len = weights[idxarr[--backw]++]; if (len != 0) { buflen = utf8_encode (buf, val); @@ -398,7 +400,7 @@ STRXFRM (char *dest, const char *src, size_t n, __locale_t l) a `position' rule at the end and if no non-ignored character is found the last \1 byte is immediately followed by a \0 byte signalling this. We can avoid the \1 byte(s). */ - if (needed > 2 && dest[needed - 2] == '\1') + if (needed <= n && needed > 2 && dest[needed - 2] == '\1') { /* Remove the \1 byte. */ --needed; |