{
size_t len = strlen(s);
size_t ret = len;
- if (bufsize <= 0) return 0;
- if (len >= bufsize) len = bufsize-1;
- memcpy(d, s, len);
- d[len] = 0;
+ if (bufsize > 0) {
+ if (len >= bufsize)
+ len = bufsize-1;
+ memcpy(d, s, len);
+ d[len] = 0;
+ }
return ret;
}
#endif
size_t len2 = strlen(s);
size_t ret = len1 + len2;
- if (len1+len2 >= bufsize) {
- len2 = bufsize - (len1+1);
- }
- if (len2 > 0) {
+ if (len1 < bufsize - 1) {
+ if (len2 >= bufsize - len1)
+ len2 = bufsize - len1 - 1;
memcpy(d+len1, s, len2);
d[len1+len2] = 0;
}