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if called with srclen > maxlen, return maxlen not srclen

master
Felix von Leitner 8 years ago
parent
commit
e1d937c67b
  1. 4
      fmt/fmt_fill.c

4
fmt/fmt_fill.c

@ -8,12 +8,14 @@ size_t fmt_fill(char* dest,size_t srclen,size_t padlen,size_t maxlen) {
long todo;
char* olddest=dest;
char* max=dest+maxlen;
if ((long)padlen<0 || (long)maxlen<0) return 0;
if (srclen>maxlen) return maxlen;
if (dest==0) {
unsigned long sum=srclen>padlen?srclen:padlen;
return sum>maxlen?maxlen:sum;
}
dest+=srclen;
for (todo=padlen-srclen; todo>0; --todo) {
for (todo=(long)(padlen-srclen); todo>0; --todo) {
if (dest>max) break;
*dest=' '; ++dest;
}

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