apps/rm/main.c

   1 /*
   2         rm: remove util.
   3         Parameters: Filenames
   4         exit      : 1 when deleting  one of the files failed
   5 */
   6
   7 #include <sys/syscalls.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <unistd.h>
  12
  13 #define RMS_OK          0
  14 #define RMS_FILE_IS_DIR 1
  15
  16 static int do_delete(const char *name)
  17 {
  18         struct file_stat stat;
  19         int err = _kern_rstat(name,&stat);
  20
  21         if(err<0) return err;
  22
  23         if(stat.type == STREAM_TYPE_DIR) return RMS_FILE_IS_DIR;
  24
  25         return  unlink(name);
  26 }
  27
  28 int main(int argc,char *argv[])
  29 {
  30         int cnt;
  31         const char *name;
  32         int err;
  33         const char *err_text;
  34         int ret = 0;
  35
  36         if(argc <= 1){
  37
  38                 printf("rm: Missing arguments\n");
  39                 ret = 1;
  40
  41         }
  42
  43         for(cnt=1;cnt<argc;cnt++){
  44                 name = argv[cnt];
  45                 err = do_delete(name);
  46
  47                 if(err != 0){
  48                         ret = 1;
  49                         if(err == 1) {
  50                                 err_text = "File is a directory";
  51                         } else {
  52                                 err_text = strerror(err);
  53                         }
  54                         printf("rm: %s \n",err_text);
  55                 }
  56         }
  57
  58         return ret;
  59 }
  60