src/video/omapdss/config.c

   1 /*
   2  * (C) notaz, 2010
   3  *
   4  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
   5  * See the COPYING file in the top-level directory.
   6  */
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <strings.h>
  11 #include <ctype.h>
  12
  13 #include "omapsdl.h"
  14
  15 static char *sskip(char *p)
  16 {
  17         while (*p && isspace(*p))
  18                 p++;
  19         return p;
  20 }
  21
  22 static char *nsskip(char *p)
  23 {
  24         while (*p && !isspace(*p))
  25                 p++;
  26         return p;
  27 }
  28
  29 static int check_token(const char *p, const char *token)
  30 {
  31         int tlen = strlen(token);
  32         return strncasecmp(p, token, tlen) == 0 && isspace(p[tlen]);
  33 }
  34
  35 void omapsdl_config(void)
  36 {
  37         char buff[256];
  38         FILE *f;
  39
  40         f = fopen("omapsdl.cfg", "r");
  41         if (f == NULL)
  42                 return;
  43
  44         while (!feof(f)) {
  45                 char *p, *line = fgets(buff, sizeof(buff), f);
  46                 if (line == NULL)
  47                         break;
  48                 p = line = sskip(line);
  49                 if (*p == '#')
  50                         continue;
  51
  52                 if (check_token(p, "bind")) {
  53                         char *key, *key_end, *sdlkey, *sdlkey_end;
  54                         key = sskip(p + 5);
  55                         key_end = nsskip(key);
  56                         p = sskip(key_end);
  57                         if (*p != '=')
  58                                 goto bad;
  59                         sdlkey = sskip(p + 1);
  60                         sdlkey_end = nsskip(sdlkey);
  61                         p = sskip(sdlkey_end);
  62                         if (*key == 0 || *sdlkey == 0 || *p != 0)
  63                                 goto bad;
  64                         *key_end = *sdlkey_end = 0;
  65
  66                         omapsdl_input_bind(key, sdlkey);
  67                         continue;
  68                 }
  69
  70 bad:
  71                 err("config: failed to parse: %s", line);
  72         }
  73         fclose(f);
  74 }
  75
  76