git.sur5r.net Git - i3/i3status/blob - src/print_load.c

   1 // vim:ts=8:expandtab
   2 #include "i3status.h"
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <string.h>
   6
   7 void print_load(const char *format) {
   8 /* Get load */
   9 #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) || defined(sun)
  10         double loadavg[3];
  11         const char *walk;
  12
  13         if (getloadavg(loadavg, 3) == -1)
  14                 goto error;
  15
  16         for (walk = format; *walk != '\0'; walk++) {
  17                 if (*walk != '%') {
  18                         putchar(*walk);
  19                         continue;
  20                 }
  21
  22                 if (BEGINS_WITH(walk+1, "1min")) {
  23                         (void)printf("%1.2f", loadavg[0]);
  24                         walk += strlen("1min");
  25                 }
  26
  27                 if (BEGINS_WITH(walk+1, "5min")) {
  28                         (void)printf("%1.2f", loadavg[1]);
  29                         walk += strlen("5min");
  30                 }
  31
  32                 if (BEGINS_WITH(walk+1, "15min")) {
  33                         (void)printf("%1.2f", loadavg[2]);
  34                         walk += strlen("15min");
  35                 }
  36         }
  37         return;
  38 error:
  39 #endif
  40         (void)fputs("Cannot read load\n", stderr);
  41 }