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   1 #include "config.h"
   2 #include <stdio.h>
   3 #include <string.h>
   4
   5 /**
   6  * tal/grab_file - file helper routines
   7  *
   8  * This contains simple functions for getting the contents of a file.
   9  *
  10  * Example:
  11  *      #include <err.h>
  12  *      #include <stdio.h>
  13  *      #include <string.h>
  14  *      #include <ccan/tal/grab_file/grab_file.h>
  15  *      #include <ccan/tal/tal.h> // for tal_free
  16  *
  17  *      int main(int argc, char *argv[])
  18  *      {
  19  *              char *file;
  20  *
  21  *              file = grab_file(NULL, argv[1]);
  22  *              if (!file)
  23  *                      err(1, "Could not read file %s", argv[1]);
  24  *              if (strlen(file)+1 != tal_count(file))
  25  *                      printf("File contains NUL characters\n");
  26  *              else if (tal_count(file) == 1)
  27  *                      printf("File contains nothing\n");
  28  *              else if (strchr(file, '\n'))
  29  *                      printf("File contains multiple lines\n");
  30  *              else
  31  *                      printf("File contains one line\n");
  32  *              tal_free(file);
  33  *
  34  *              return 0;
  35  *      }
  36  *
  37  * License: LGPL (v2.1 or any later version)
  38  * Author: Rusty Russell <rusty@rustcorp.com.au>
  39  */
  40 int main(int argc, char *argv[])
  41 {
  42         if (argc != 2)
  43                 return 1;
  44
  45         if (strcmp(argv[1], "depends") == 0) {
  46                 printf("ccan/tal\n");
  47                 printf("ccan/noerr\n");
  48                 return 0;
  49         }
  50         if (strcmp(argv[1], "testdepends") == 0) {
  51                 printf("ccan/tal/str\n");
  52                 return 0;
  53         }
  54
  55         return 1;
  56 }