/**
* Returns a platform-specific file separator represented as a string.
*
* @return pointer to null-terminated string containing the file separator
*/
char* getCharFileSeparator() {
/*
* This function is called before the debug heap is initialized.
* so we can't use midpMalloc.
*/
static char fsep[2];
fsep[0] = (char)storageGetFileSeparator();
fsep[1] = 0;
return fsep;
}
/*
* Prefixing the system directory for storage, APP_DIR, with midp_home.
*
* @param midp_home file system path to where MIDP is installed
*
* @return 0 for success, non-zero for out of memory
*/
int
storageInitialize(char *midp_home) {
jchar fsep = storageGetFileSeparator();
if (storageInitDone) {
/* Already initialized */
return 0;
}
if (PCSL_STRING_OK != pcsl_string_initialize()) {
REPORT_ERROR(LC_CORE, "Error: cannot initialize string library.\n");
return -1;
}
if(pcsl_file_init() < 0) {
REPORT_ERROR(LC_CORE, "Error: out of memory.\n");
return -1;
}
/* set up a path to the internal storage */
if (PCSL_STRING_OK != pcsl_string_from_chars(midp_home, &sRoot[0])) {
REPORT_ERROR(LC_CORE, "Error: out of memory.\n");
storageFinalize();
return -1;
}
/* performance hint: predict buffer capacity */
pcsl_string_predict_size(&sRoot[0], pcsl_string_length(&sRoot[0]) + 2
+ PCSL_STRING_LITERAL_LENGTH(APP_DIR));
if (PCSL_STRING_OK != pcsl_string_append_char(&sRoot[0], fsep)
|| PCSL_STRING_OK != pcsl_string_append(&sRoot[0], &APP_DIR)
|| PCSL_STRING_OK != pcsl_string_append_char(&sRoot[0], fsep)) {
REPORT_ERROR(LC_CORE, "Error: out of memory.\n");
storageFinalize();
return -1;
}
if (0 != initializeConfigRoot(midp_home)) {
storageFinalize();
return -1;
}
storageInitDone = 1;
return 0;
}
static int
initializeConfigRoot(char* midp_home) {
jchar fileSep = storageGetFileSeparator();
if (PCSL_STRING_OK != pcsl_string_from_chars(midp_home, &configRoot[0])) {
return -1;
}
/* performance hint: predict buffer capacity */
pcsl_string_predict_size(&configRoot[0],
pcsl_string_length(&configRoot[0])
+ 2 + PCSL_STRING_LITERAL_LENGTH(CONFIG_SUBDIR));
if (PCSL_STRING_OK != pcsl_string_append_char(&configRoot[0], fileSep)
|| PCSL_STRING_OK != pcsl_string_append(&configRoot[0], &CONFIG_SUBDIR)
|| PCSL_STRING_OK != pcsl_string_append_char(&configRoot[0], fileSep)) {
pcsl_string_free(&configRoot[0]);
return -1;
}
return 0;
}
