Mercurial > repos > blastem
view paths.c @ 1925:039553703c20
Don't apply address and cd register changes to the 'live' registers until pending flag is cleared, but do preserve the upper address bits in the latch. Fixes regression in Overdrive 2 while preserving fix to Mona in 344 bytes
author | Michael Pavone <pavone@retrodev.com> |
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date | Mon, 13 Apr 2020 20:43:25 -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); } } }