git.ozlabs.org Git - ccan/blob - tools/ccanlint/tests/info_exists.c

   1 #include <tools/ccanlint/ccanlint.h>
   2 #include <ccan/tal/tal.h>
   3 #include <ccan/tal/str/str.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <unistd.h>
   8 #include <limits.h>
   9 #include <errno.h>
  10 #include <stdlib.h>
  11 #include <stdio.h>
  12 #include <err.h>
  13 #include <string.h>
  14 #include <ccan/noerr/noerr.h>
  15
  16 static void check_has_info(struct manifest *m,
  17                            unsigned int *timeleft UNNEEDED,
  18                            struct score *score)
  19 {
  20         if (m->info_file) {
  21                 score->pass = true;
  22                 score->score = score->total;
  23                 add_info_options(m->info_file);
  24         } else {
  25                 score->error = tal_strdup(score,
  26         "You have no _info file.\n\n"
  27         "The file _info contains the metadata for a ccan package: things\n"
  28         "like the dependencies, the documentation for the package as a whole\n"
  29         "and license information.\n");
  30         }
  31 }
  32
  33 static const char template[] =
  34         "#include \"config.h\"\n"
  35         "#include <stdio.h>\n"
  36         "#include <string.h>\n"
  37         "\n"
  38         "/**\n"
  39         " * %s - YOUR-ONE-LINE-DESCRIPTION-HERE\n"
  40         " *\n"
  41         " * This code ... YOUR-BRIEF-SUMMARY-HERE\n"
  42         " *\n"
  43         " * Example:\n"
  44         " *     FULLY-COMPILABLE-INDENTED-TRIVIAL-BUT-USEFUL-EXAMPLE-HERE\n"
  45         " */\n"
  46         "int main(int argc, char *argv[])\n"
  47         "{\n"
  48         "       /* Expect exactly one argument */\n"
  49         "       if (argc != 2)\n"
  50         "               return 1;\n"
  51         "\n"
  52         "       if (strcmp(argv[1], \"depends\") == 0) {\n"
  53         "               PRINTF-CCAN-PACKAGES-YOU-NEED-ONE-PER-LINE-IF-ANY\n"
  54         "               return 0;\n"
  55         "       }\n"
  56         "\n"
  57         "       return 1;\n"
  58         "}\n";
  59
  60 static void create_info_template(struct manifest *m,
  61                                  struct score *score UNNEEDED)
  62 {
  63         FILE *info;
  64         const char *filename;
  65
  66         if (!ask("Should I create a template _info file for you?"))
  67                 return;
  68
  69         filename = tal_fmt(m, "%s/%s", m->dir, "_info");
  70         info = fopen(filename, "w");
  71         if (!info)
  72                 err(1, "Trying to create a template _info in %s", filename);
  73
  74         if (fprintf(info, template, m->modname) < 0) {
  75                 unlink_noerr(filename);
  76                 err(1, "Writing template into %s", filename);
  77         }
  78         fclose(info);
  79 }
  80
  81 struct ccanlint info_exists = {
  82         .key = "info_exists",
  83         .name = "Module has _info file",
  84         .compulsory = true,
  85         .check = check_has_info,
  86         .handle = create_info_template,
  87         .needs = ""
  88 };
  89
  90 REGISTER_TEST(info_exists);