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fix undefined strcpy call in inet_ntop

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source and dest arguments for strcpy cannot overlap, so memmove must
be used here. the length is already known from the above loop.
This commit is contained in:
Rich Felker 2013-07-25 03:30:24 -04:00
parent 1cd417bdf1
commit f9dd79c8d1
1 changed files with 1 additions and 1 deletions
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2
src/network/inet_ntop.c
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@ -40,7 +40,7 @@ const char *inet_ntop(int af, const void *restrict a0, char *restrict s, socklen
} }
if (max>2) { if (max>2) {
buf[best] = buf[best+1] = ':'; buf[best] = buf[best+1] = ':';
strcpy(buf+best+2, buf+best+max); memmove(buf+best+2, buf+best+max, i-best-max+1);
} }
if (strlen(buf) < l) { if (strlen(buf) < l) {
strcpy(s, buf); strcpy(s, buf);