Mercurial > repos > blastem
annotate paths.c @ 1637:95880d947257
Fix for VRAM byte write order broke VDP FIFO testing ROM results. This change cleans up VRAM writes and fixes the regression while preserving the correct VRAM byte write order
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 11 Nov 2018 22:39:29 -0800 |
parents | b96f9fae757f |
children | ab3b465c052c |
rev | line source |
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1473
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1 #include <string.h> |
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2 #include <stdlib.h> |
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3 #include "blastem.h" |
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4 #include "util.h" |
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5 |
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6 static char **current_path; |
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7 |
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8 static void persist_path(void) |
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9 { |
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10 char const *parts[] = {get_userdata_dir(), PATH_SEP, "sticky_path"}; |
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11 char *pathfname = alloc_concat_m(3, parts); |
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12 FILE *f = fopen(pathfname, "wb"); |
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13 if (f) { |
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14 if (fwrite(*current_path, 1, strlen(*current_path), f) != strlen(*current_path)) { |
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15 warning("Failed to save menu path"); |
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16 } |
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17 fclose(f); |
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18 } else { |
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19 warning("Failed to save menu path: Could not open %s for writing\n", pathfname); |
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20 |
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21 } |
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22 free(pathfname); |
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23 } |
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24 |
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25 #ifdef __ANDROID__ |
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26 #include <SDL.h> |
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27 #include <jni.h> |
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28 static char *get_external_storage_path() |
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29 { |
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30 static char *ret; |
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31 if (ret) { |
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32 return ret; |
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33 } |
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34 JNIEnv *env = SDL_AndroidGetJNIEnv(); |
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35 if ((*env)->PushLocalFrame(env, 8) < 0) { |
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36 return NULL; |
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37 } |
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38 |
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39 jclass Environment = (*env)->FindClass(env, "android/os/Environment"); |
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40 jmethodID getExternalStorageDirectory = |
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41 (*env)->GetStaticMethodID(env, Environment, "getExternalStorageDirectory", "()Ljava/io/File;"); |
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42 jobject file = (*env)->CallStaticObjectMethod(env, Environment, getExternalStorageDirectory); |
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43 if (!file) { |
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44 goto cleanup; |
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45 } |
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46 |
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47 jmethodID getAbsolutePath = (*env)->GetMethodID(env, (*env)->GetObjectClass(env, file), |
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48 "getAbsolutePath", "()Ljava/lang/String;"); |
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49 jstring path = (*env)->CallObjectMethod(env, file, getAbsolutePath); |
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50 |
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51 char const *tmp = (*env)->GetStringUTFChars(env, path, NULL); |
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52 ret = strdup(tmp); |
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53 (*env)->ReleaseStringUTFChars(env, path, tmp); |
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54 |
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55 cleanup: |
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56 (*env)->PopLocalFrame(env, NULL); |
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57 return ret; |
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58 } |
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59 #endif |
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60 |
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61 void get_initial_browse_path(char **dst) |
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62 { |
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63 *dst = NULL; |
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64 char *remember_path = tern_find_path(config, "ui\0remember_path\0", TVAL_PTR).ptrval; |
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65 if (!remember_path || !strcmp("on", remember_path)) { |
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66 char const *parts[] = {get_userdata_dir(), PATH_SEP, "sticky_path"}; |
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67 char *pathfname = alloc_concat_m(3, parts); |
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68 FILE *f = fopen(pathfname, "rb"); |
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69 if (f) { |
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70 long pathsize = file_size(f); |
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71 if (pathsize > 0) { |
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72 *dst = malloc(pathsize + 1); |
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73 if (fread(*dst, 1, pathsize, f) != pathsize) { |
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74 warning("Error restoring saved file browser path"); |
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75 free(*dst); |
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76 *dst = NULL; |
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77 } else { |
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78 (*dst)[pathsize] = 0; |
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79 } |
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80 } |
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81 fclose(f); |
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82 } |
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83 free(pathfname); |
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84 if (!current_path) { |
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85 atexit(persist_path); |
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86 current_path = dst; |
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87 } |
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88 } |
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89 if (!*dst) { |
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90 *dst = tern_find_path(config, "ui\0initial_path\0", TVAL_PTR).ptrval; |
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91 } |
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92 if (!*dst){ |
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93 #ifdef __ANDROID__ |
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94 *dst = get_external_storage_path(); |
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95 #else |
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96 *dst = "$HOME"; |
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97 #endif |
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98 } |
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99 tern_node *vars = tern_insert_ptr(NULL, "HOME", get_home_dir()); |
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100 vars = tern_insert_ptr(vars, "EXEDIR", get_exe_dir()); |
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101 *dst = replace_vars(*dst, vars, 1); |
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102 tern_free(vars); |
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103 } |
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104 |
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105 char *path_append(const char *base, const char *suffix) |
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106 { |
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107 if (!strcmp(suffix, "..")) { |
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108 #ifdef _WIN32 |
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109 //handle transition from root of a drive to virtual root |
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110 if (base[1] == ':' && !base[2]) { |
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111 return strdup(PATH_SEP); |
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112 } |
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113 #endif |
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114 size_t len = strlen(base); |
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115 while (len > 0) { |
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116 --len; |
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117 if (is_path_sep(base[len])) { |
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118 if (!len) { |
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119 //special handling for / |
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120 len++; |
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121 } |
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122 char *ret = malloc(len+1); |
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123 memcpy(ret, base, len); |
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124 ret[len] = 0; |
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125 return ret; |
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126 } |
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127 } |
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128 return strdup(PATH_SEP); |
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129 } else { |
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130 #ifdef _WIN32 |
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131 if (base[0] == PATH_SEP[0] && !base[1]) { |
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132 //handle transition from virtual root to root of a drive |
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133 return strdup(suffix); |
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134 } |
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135 #endif |
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136 if (is_path_sep(base[strlen(base) - 1])) { |
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137 return alloc_concat(base, suffix); |
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138 } else { |
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139 char const *pieces[] = {base, PATH_SEP, suffix}; |
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140 return alloc_concat_m(3, pieces); |
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141 } |
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142 } |
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143 } |