vcs.maemo.org Git - monky/blob - src/conf_cookie.c

   1 #define _GNU_SOURCE
   2 #include "config.h"
   3 #include <stdio.h>
   4 #include <sys/types.h>
   5 #include "defconfig.h"
   6
   7 #if defined(HAVE_FOPENCOOKIE)
   8 #define COOKIE_LEN_T    size_t
   9 #define COOKIE_RET_T    ssize_t
  10 #else
  11 #define COOKIE_LEN_T    int
  12 #define COOKIE_RET_T    int
  13 #endif
  14
  15 static COOKIE_RET_T
  16 conf_read(void *cookie, char *buf, COOKIE_LEN_T size)
  17 {
  18         static int col = 0, row = 0;
  19         COOKIE_LEN_T i = 0;
  20         const char *conf[] = defconfig;
  21
  22         (void)cookie;
  23
  24         while (i < size) {
  25                 if (!(conf[row]))               /* end of rows */
  26                         break;
  27                 if (!(conf[row][col])) {        /* end of line */
  28                         row++;
  29                         col = 0;
  30                         continue;
  31                 }
  32                 buf[i++] = conf[row][col++];
  33         }
  34         return i;
  35 }
  36
  37 #if defined(HAVE_FOPENCOOKIE)
  38 static cookie_io_functions_t conf_cookie = {
  39         .read = &conf_read,
  40         .write = NULL,
  41         .seek = NULL,
  42         .close = NULL,
  43 };
  44 FILE *conf_cookie_open(void)
  45 {
  46         return fopencookie(NULL, "r", conf_cookie);
  47 }
  48 #elif defined(HAVE_FUNOPEN)
  49 FILE *conf_cookie_open(void)
  50 {
  51         return funopen(NULL, &conf_read, NULL, NULL, NULL);
  52 }
  53 #else
  54 FILE *conf_cookie_open(void) { return NULL; }
  55 #endif