spoon

set dwm status
git clone git://git.2f30.org/spoon
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count.c (619B)

      1 #include <dirent.h>
      2 #include <err.h>
      3 #include <stdio.h>
      4 #include <string.h>
      5 
      6 int
      7 countread(void *arg, char *buf, size_t len)
      8 {
      9         char *path = arg;
     10         unsigned long count = 0;
     11         struct dirent *e;
     12         DIR *d;
     13 
     14         if ((d = opendir(path)) == NULL) {
     15                 warn("open %s", path);
     16                 return -1;
     17         }
     18 
     19         while ((e = readdir(d)) != NULL) {
     20                 if (!strcmp(e->d_name, ".") || !strcmp(e->d_name, ".."))
     21                         continue;
     22                 ++count;
     23         }
     24         closedir(d);
     25 
     26         snprintf(buf, len, "%lu", count);
     27 
     28         return 0;
     29 }