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Introduce plat_get_skin_dir and update plat_get_root_dir functions

Browse source 
On GP2X and Pandora, plat_get_root_dir points to the directory
in which the PicoDrive executable is found. On regular Linux,
it now points to the '.picodrive' directory inside the user's home
folder.

plat_get_skin_dir now points to the 'skin' directory inside the
data directory.

The data directory can be set with PICO_DATA_DIR at compile time.
If that variable is not set, the data directory is set to the
directory of the PicoDrive executable.
This commit is contained in:
Paul Cercueil 2013-10-07 17:09:09 +02:00
parent 39014486f9
commit c52e6628cd
3 changed files with 45 additions and 10 deletions
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43
linux/plat.c
View file

@ -19,6 +19,7 @@
#include <unistd.h>
#include <sys/mman.h>
#include <errno.h>
#include <sys/stat.h>
#include "../plat.h"
@ -40,24 +41,54 @@ int plat_is_dir(const char *path)
return 0;
}
int plat_get_root_dir(char *dst, int len)
static int plat_get_data_dir(char *dst, int len)
{
int j, ret;
ret = readlink("/proc/self/exe", dst, len - 1);
#ifdef PICO_DATA_DIR
memcpy(dst, PICO_DATA_DIR, sizeof PICO_DATA_DIR);
return sizeof(PICO_DATA_DIR) - 1;
#else
int j, ret = readlink("/proc/self/exe", dst, len - 1);
if (ret < 0) {
perror("readlink");
ret = 0;
}
dst[ret] = 0;
for (j = strlen(dst); j > 0; j--)
for (j = ret - 1; j > 0; j--)
if (dst[j] == '/') {
dst[++j] = 0;
break;
}
return j;
#endif
}
int plat_get_skin_dir(char *dst, int len)
{
int ret = plat_get_data_dir(dst, len);
if (ret < 0)
return ret;
memcpy(dst + ret, "skin/", sizeof "skin/");
return ret + sizeof("skin/") - 1;
}
#ifndef PICO_HOME_DIR
#define PICO_HOME_DIR "/.picodrive/"
#endif
int plat_get_root_dir(char *dst, int len)
{
#if defined(__GP2X__) || defined(PANDORA)
return plat_get_data_dir(dst, len);
#else
char *home = getenv("HOME");
size_t nb = strlen(home);
memcpy(dst, home, nb);
memcpy(dst + nb, PICO_HOME_DIR, sizeof PICO_HOME_DIR);
mkdir(dst, 0755);
return nb + sizeof(PICO_HOME_DIR) - 1;
#endif
}
#ifdef __GP2X__