stralloc_num.c

   1 #include "stralloc.h"
   2
   3 int stralloc_catulong0(stralloc *sa,unsigned long u,unsigned int n)
   4 {
   5   unsigned int len;
   6   unsigned long q;
   7   char *s;
   8
   9   len = 1;
  10   q = u;
  11   while (q > 9) { ++len; q /= 10; }
  12   if (len < n) len = n;
  13
  14   if (!stralloc_readyplus(sa,len)) return 0;
  15   s = sa->s + sa->len;
  16   sa->len += len;
  17   while (len) { s[--len] = '0' + (u % 10); u /= 10; }
  18
  19   return 1;
  20 }
  21
  22 int stralloc_catlong0(stralloc *sa,long l,unsigned int n)
  23 {
  24   if (l < 0) {
  25     if (!stralloc_append(sa,"-")) return 0;
  26     l = -l;
  27   }
  28   return stralloc_catulong0(sa,l,n);
  29 }