awesome-check.c

   1 /*
   2  * awesome-check.c - awesome configuration file testing
   3  *
   4  * Copyright © 2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <confuse.h>
  23
  24 #include "common/awesome-version.h"
  25 #include "common/util.h"
  26 #include "common/configopts.h"
  27
  28 #define PROGNAME "awesome-check"
  29
  30 /** Print help and exit(2) with given exit_code.
  31  */
  32 static void __attribute__ ((noreturn))
  33 exit_help(int exit_code)
  34 {
  35     FILE *outfile = (exit_code == EXIT_SUCCESS) ? stdout : stderr;
  36     fprintf(outfile, "Usage: %s [-v | -h | -c configfile]\n", PROGNAME);
  37     exit(exit_code);
  38 }
  39
  40 int
  41 main(int argc, char *argv[])
  42 {
  43     cfg_t *cfg;
  44     char *confpath = NULL;
  45     const char *homedir = NULL;
  46     int args_ok = 1, ret;
  47     ssize_t confpath_len;
  48
  49     /* check args */
  50     if(argc >= 2)
  51     {
  52         args_ok = 0;
  53         if(!a_strcmp("-v", argv[1]) || !a_strcmp("--version", argv[1]))
  54             eprint_version(PROGNAME);
  55         else if(!a_strcmp("-h", argv[1]) || !a_strcmp("--help", argv[1]))
  56             exit_help(EXIT_SUCCESS);
  57         else if(!a_strcmp("-c", argv[1]))
  58         {
  59             if(a_strlen(argv[2]))
  60                 confpath = argv[2], args_ok = 1;
  61             else
  62                 eprint("-c option requires a file name\n");
  63         }
  64         else
  65             exit_help(EXIT_FAILURE);
  66     }
  67     if(!args_ok)
  68         exit_help(EXIT_FAILURE);
  69
  70     if(!confpath)
  71     {
  72         homedir = getenv("HOME");
  73         confpath_len = a_strlen(homedir) + a_strlen(AWESOME_CONFIG_FILE) + 2;
  74         confpath = p_new(char, confpath_len);
  75         a_strcpy(confpath, confpath_len, homedir);
  76         a_strcat(confpath, confpath_len, "/");
  77         a_strcat(confpath, confpath_len, AWESOME_CONFIG_FILE);
  78     }
  79
  80     cfg = cfg_init(opts, CFGF_NONE);
  81
  82     switch((ret = cfg_parse(cfg, confpath)))
  83     {
  84       case CFG_FILE_ERROR:
  85         perror("awesome: parsing configuration file failed");
  86         break;
  87       case CFG_PARSE_ERROR:
  88         cfg_error(cfg, "awesome: parsing configuration file %s failed.\n", confpath);
  89         break;
  90     }
  91
  92     return ret;
  93 }
  94 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80