Mercurial > repos > blastem
view paths.c @ 1863:d60f2d7c02a5
Differentiate between the full Sega mapper and the SRAM only one. Fixes crash on save state load for Phantasy Star IV and other games that use the same mapper
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 14 May 2019 23:20:35 -0700 |
parents | dda7479f3bbb |
children | bc68560b4a04 |
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#include <string.h> #include <stdlib.h> #include "blastem.h" #include "util.h" static char **current_path; static void persist_path(void) { char *pathfname = alloc_concat(get_userdata_dir(), PATH_SEP "blastem" PATH_SEP "sticky_path"); FILE *f = fopen(pathfname, "wb"); if (f) { if (fwrite(*current_path, 1, strlen(*current_path), f) != strlen(*current_path)) { warning("Failed to save menu path"); } fclose(f); } else { warning("Failed to save menu path: Could not open %s for writing\n", pathfname); } free(pathfname); } #ifdef __ANDROID__ #include <SDL.h> #include <jni.h> static char *get_external_storage_path() { static char *ret; if (ret) { return ret; } JNIEnv *env = SDL_AndroidGetJNIEnv(); if ((*env)->PushLocalFrame(env, 8) < 0) { return NULL; } jclass Environment = (*env)->FindClass(env, "android/os/Environment"); jmethodID getExternalStorageDirectory = (*env)->GetStaticMethodID(env, Environment, "getExternalStorageDirectory", "()Ljava/io/File;"); jobject file = (*env)->CallStaticObjectMethod(env, Environment, getExternalStorageDirectory); if (!file) { goto cleanup; } jmethodID getAbsolutePath = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, file), "getAbsolutePath", "()Ljava/lang/String;"); jstring path = (*env)->CallObjectMethod(env, file, getAbsolutePath); char const *tmp = (*env)->GetStringUTFChars(env, path, NULL); ret = strdup(tmp); (*env)->ReleaseStringUTFChars(env, path, tmp); cleanup: (*env)->PopLocalFrame(env, NULL); return ret; } #endif void get_initial_browse_path(char **dst) { char *base = NULL; char *remember_path = tern_find_path(config, "ui\0remember_path\0", TVAL_PTR).ptrval; if (!remember_path || !strcmp("on", remember_path)) { char *pathfname = alloc_concat(get_userdata_dir(), PATH_SEP "blastem" PATH_SEP "sticky_path"); FILE *f = fopen(pathfname, "rb"); if (f) { long pathsize = file_size(f); if (pathsize > 0) { base = malloc(pathsize + 1); if (fread(base, 1, pathsize, f) != pathsize) { warning("Error restoring saved file browser path"); free(base); base = NULL; } else { base[pathsize] = 0; } } fclose(f); } free(pathfname); if (!current_path) { atexit(persist_path); current_path = dst; } } if (!base) { base = tern_find_path(config, "ui\0initial_path\0", TVAL_PTR).ptrval; } if (!base){ #ifdef __ANDROID__ base = get_external_storage_path(); #else base = "$HOME"; #endif } tern_node *vars = tern_insert_ptr(NULL, "HOME", get_home_dir()); vars = tern_insert_ptr(vars, "EXEDIR", get_exe_dir()); *dst = replace_vars(base, vars, 1); free(base); tern_free(vars); } char *path_append(const char *base, const char *suffix) { if (!strcmp(suffix, "..")) { #ifdef _WIN32 //handle transition from root of a drive to virtual root if (base[1] == ':' && !base[2]) { return strdup(PATH_SEP); } #endif size_t len = strlen(base); while (len > 0) { --len; if (is_path_sep(base[len])) { if (!len) { //special handling for / len++; } char *ret = malloc(len+1); memcpy(ret, base, len); ret[len] = 0; return ret; } } return strdup(PATH_SEP); } else { #ifdef _WIN32 if (base[0] == PATH_SEP[0] && !base[1]) { //handle transition from virtual root to root of a drive return strdup(suffix); } #endif if (is_path_sep(base[strlen(base) - 1])) { return alloc_concat(base, suffix); } else { char const *pieces[] = {base, PATH_SEP, suffix}; return alloc_concat_m(3, pieces); } } }