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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  *              if (argc > 2)
  22  *                      err(1, "Takes 0 or 1 arguments");
  23  *              file = grab_file(NULL, argv[1]);
  24  *              if (!file)
  25  *                      err(1, "Could not read file %s", argv[1]);
  26  *              if (strlen(file)+1 != tal_count(file))
  27  *                      printf("File contains NUL characters\n");
  28  *              else if (tal_count(file) == 1)
  29  *                      printf("File contains nothing\n");
  30  *              else if (strchr(file, '\n'))
  31  *                      printf("File contains multiple lines\n");
  32  *              else
  33  *                      printf("File contains one line\n");
  34  *              tal_free(file);
  35  *
  36  *              return 0;
  37  *      }
  38  *
  39  * License: LGPL (v2.1 or any later version)
  40  * Author: Rusty Russell <rusty@rustcorp.com.au>
  41  */
  42 int main(int argc, char *argv[])
  43 {
  44         if (argc != 2)
  45                 return 1;
  46
  47         if (strcmp(argv[1], "depends") == 0) {
  48                 printf("ccan/tal\n");
  49                 printf("ccan/noerr\n");
  50                 return 0;
  51         }
  52         if (strcmp(argv[1], "testdepends") == 0) {
  53                 printf("ccan/tal/str\n");
  54                 return 0;
  55         }
  56
  57         return 1;
  58 }