/* Return the path to the Android SDK root installation.
*
* (*pFromEnv) will be set to 1 if it comes from the $ANDROID_SDK_ROOT
* environment variable, or 0 otherwise.
*
* Caller must free() returned string.
*/
char*
path_getSdkRoot( char *pFromEnv )
{
const char* env;
char* sdkPath;
char temp[PATH_MAX], *p=temp, *end=p+sizeof(temp);
/* If ANDROID_SDK_ROOT is defined is must point to a directory
* containing a valid SDK installation.
*/
#define SDK_ROOT_ENV "ANDROID_SDK_ROOT"
env = getenv(SDK_ROOT_ENV);
if (env != NULL && env[0] != 0) {
if (path_exists(env)) {
D("found " SDK_ROOT_ENV ": %s", env);
*pFromEnv = 1;
return ASTRDUP(env);
}
D(SDK_ROOT_ENV " points to unknown directory: %s", env);
}
*pFromEnv = 0;
/* We assume the emulator binary is under tools/ so use its
* parent as the Android SDK root.
*/
(void) bufprint_app_dir(temp, end);
sdkPath = path_parent(temp, 1);
if (sdkPath == NULL) {
derror("can't find root of SDK directory");
return NULL;
}
D("found SDK root at %s", sdkPath);
return sdkPath;
}
/* this function is used to perform auto-detection of the
* system directory in the case of a SDK installation.
*
* we want to deal with several historical usages, hence
* the slightly complicated logic.
*
* NOTE: the function returns the path to the directory
* containing 'fileName'. this is *not* the full
* path to 'fileName'.
*/
static char*
_getSdkImagePath( const char* fileName )
{
char temp[MAX_PATH];
char* p = temp;
char* end = p + sizeof(temp);
char* q;
char* app;
static const char* const searchPaths[] = {
"", /* program's directory */
"/lib/images", /* this is for SDK 1.0 */
"/../platforms/android-1.1/images", /* this is for SDK 1.1 */
NULL
};
app = bufprint_app_dir(temp, end);
if (app >= end)
return NULL;
do {
int nn;
/* first search a few well-known paths */
for (nn = 0; searchPaths[nn] != NULL; nn++) {
p = bufprint(app, end, "%s", searchPaths[nn]);
q = bufprint(p, end, "/%s", fileName);
if (q < end && path_exists(temp)) {
*p = 0;
goto FOUND_IT;
}
}
/* hmmm. let's assume that we are in a post-1.1 SDK
* scan ../platforms if it exists
*/
p = bufprint(app, end, "/../platforms");
if (p < end) {
DirScanner* scanner = dirScanner_new(temp);
if (scanner != NULL) {
int found = 0;
const char* subdir;
for (;;) {
subdir = dirScanner_next(scanner);
if (!subdir) break;
q = bufprint(p, end, "/%s/images/%s", subdir, fileName);
if (q >= end || !path_exists(temp))
continue;
found = 1;
p = bufprint(p, end, "/%s/images", subdir);
break;
}
dirScanner_free(scanner);
if (found)
break;
}
}
/* I'm out of ideas */
return NULL;
} while (0);
FOUND_IT:
//D("image auto-detection: %s/%s", temp, fileName);
return android_strdup(temp);
}
