src/umask.c

   1 #include <sys/types.h>
   2 #include <sys/stat.h>
   3 #include <stdlib.h>
   4 #include <errno.h>
   5 #include "umask.h"
   6
   7 int
   8 set_umask(char *mask_string)
   9 {
  10 #ifndef WIN32
  11     int rc;
  12     unsigned mask;
  13     char *end;
  14
  15     mask = strtoul(mask_string, &end, 8);
  16     if(!end || *end != '\0') {
  17         errno = EINVAL;
  18         return -1;
  19     }
  20
  21     rc = umask(mask);
  22     return rc;
  23 #else
  24     /* umask() has no useful meaning on win32. */
  25     return 0;
  26 #endif /* #ifndef WIN32 ... else ... */
  27 }
  28
  29 int
  30 reset_umask(int old_mask)
  31 {
  32     umask(old_mask);
  33     return 1;
  34 }