w/fmt.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <vis.h>
   6 #include <sys/time.h>
   7 #include <sys/resource.h>
   8 /*#include "ps.h"*/
   9 #include "extern.h"
  10
  11 void
  12 fmt_puts(s, leftp)
  13         char *s;
  14         int *leftp;
  15 {
  16         static char *v = 0, *nv;
  17         static int maxlen = 0;
  18         int len;
  19
  20         if (*leftp == 0)
  21                 return;
  22         len = strlen(s) * 4 + 1;
  23         if (len > maxlen) {
  24                 if (maxlen == 0)
  25                         maxlen = getpagesize();
  26                 while (len > maxlen)
  27                         maxlen *= 2;
  28                 nv = realloc(v, maxlen);
  29                 if (nv == 0)
  30                         return;
  31                 v = nv;
  32         }
  33         strvis(v, s, VIS_TAB | VIS_NL | VIS_CSTYLE);
  34         if (*leftp != -1) {
  35                 len = strlen(v);
  36                 if (len > *leftp) {
  37                         v[*leftp] = '\0';
  38                         *leftp = 0;
  39                 } else
  40                         *leftp -= len;
  41         }
  42         printf("%s", v);
  43 }
  44
  45 void
  46 fmt_putc(c, leftp)
  47         int c;
  48         int *leftp;
  49 {
  50
  51         if (*leftp == 0)
  52                 return;
  53         if (*leftp != -1)
  54                 *leftp -= 1;
  55         putchar(c);
  56 }