1 | // This file is a part of Framsticks SDK. http://www.framsticks.com/ |
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2 | // Copyright (C) 1999-2015 Maciej Komosinski and Szymon Ulatowski. |
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3 | // See LICENSE.txt for details. |
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4 | |
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5 | #include "nonstd_stdio.h" |
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6 | #include "nonstd.h" |
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7 | #include "Convert.h" //utf8ToUtf16() |
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8 | #include <common/util-string.h> |
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9 | |
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10 | #ifdef _WIN32 |
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11 | #include "Shlwapi.h" //PathIsRelative() |
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12 | #ifdef __BORLANDC__ |
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13 | #pragma link "Shlwapi.lib" //PathIsRelative() |
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14 | #endif |
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15 | #include <sys/stat.h> //_stat |
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16 | #else |
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17 | #include <unistd.h> |
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18 | #endif |
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19 | |
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20 | |
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21 | |
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22 | #ifdef _WIN32 |
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23 | FILE* mfile_wfopen(const char *path, const char *mode) //to avoid converting args into wide char in all occurrences of mfopen() |
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24 | { |
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25 | return _wfopen(Convert::utf8ToUtf16(path).c_str(), Convert::strTOwstr(mode).c_str()); |
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26 | } |
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27 | #endif |
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28 | |
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29 | bool fileExists(const char* path) |
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30 | { |
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31 | //lepiej gdyby uzywalo stat bo mfopen mogloby cos niepotrzebnie wczytywac przy otwarciu pliku ale mfopen wiadomo ze zadziala wszedzie tak samo |
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32 | MFILE *f = mfopen(path, FOPEN_READ_BINARY); |
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33 | if (f == NULL) return false; |
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34 | mfclose(f); |
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35 | return true; |
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36 | } |
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37 | |
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38 | #ifdef _WIN32 |
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39 | bool isDirWritable(const char* path) //dir must not end with '\' |
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40 | { |
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41 | wstring dir = Convert::utf8ToUtf16(path); |
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42 | CreateDirectoryW(dir.c_str(), 0); |
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43 | dir += L"\\test_file.write"; |
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44 | _wunlink(dir.c_str()); |
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45 | FILE *f = _wfopen(dir.c_str(), L"wt"); |
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46 | if (f) |
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47 | { |
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48 | fclose(f); |
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49 | _wunlink(dir.c_str()); |
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50 | return true; |
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51 | } |
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52 | else |
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53 | return false; |
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54 | } |
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55 | #endif |
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56 | |
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57 | bool directoryExists(const char* path, bool is_writable) |
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58 | { |
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59 | struct _stat s; |
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60 | if (path[0] == 0) path = "."; |
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61 | #ifdef _WIN32 |
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62 | if (_wstat(Convert::utf8ToUtf16(path).c_str(), &s) != 0) return false; |
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63 | #else |
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64 | if (_stat(path, &s) != 0) return false; |
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65 | #endif |
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66 | if (S_ISDIR(s.st_mode)) |
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67 | { |
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68 | if (is_writable) |
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69 | { |
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70 | #ifdef _WIN32 |
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71 | #ifndef W_OK |
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72 | #define W_OK 2 //http://msdn.microsoft.com/en-us/library/1w06ktdy.aspx |
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73 | #endif |
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74 | //under Windows, access() is not a reliable way to check if a directory is writable |
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75 | //http://stackoverflow.com/questions/198071/code-for-checking-write-permissions-for-directories-in-win2k-xp |
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76 | //bool writable_access = _waccess(Convert::utf8ToUtf16(path).c_str(), W_OK) == 0; |
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77 | bool writable_trial = isDirWritable(path); |
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78 | //printf("Checking '%s' for writing(%d) using access(): result=%d\n", path, is_writable, writable_access); |
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79 | //printf("File creation test: result=%d\n", writable_trial); |
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80 | //return writable_access; |
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81 | return writable_trial; |
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82 | #else |
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83 | return access(path, W_OK) == 0; |
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84 | #endif |
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85 | } |
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86 | else |
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87 | return true; |
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88 | } |
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89 | return false; |
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90 | } |
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91 | |
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92 | bool makeDirectory(const char* path) |
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93 | { |
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94 | #ifdef _WIN32 |
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95 | return _wmkdir(Convert::utf8ToUtf16(path).c_str()) == 0; |
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96 | #else |
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97 | return mkdir(path,0777) == 0; |
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98 | #endif |
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99 | } |
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100 | |
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101 | bool makeDirectories(const char* path) |
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102 | { |
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103 | if (directoryExists(path,false)) return true; |
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104 | string parentdir = getFileDir(path); |
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105 | if (!makeDirectories(parentdir.c_str())) return false; |
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106 | return makeDirectory(path); |
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107 | } |
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108 | |
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109 | int getFileSize(const char* path) |
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110 | { |
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111 | int size; |
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112 | MFILE *f = mfopen(path, FOPEN_READ_BINARY); |
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113 | if (f == NULL) return -1; |
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114 | size = getFileSize(f); |
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115 | mfclose(f); |
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116 | return size; |
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117 | } |
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118 | |
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119 | int getFileSize(MFILE *f) |
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120 | { |
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121 | int saved_pos = mftell(f); |
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122 | mfseek(f, 0, SEEK_END); |
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123 | int size = mftell(f); |
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124 | mfseek(f, saved_pos, SEEK_SET); |
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125 | return size; |
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126 | } |
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127 | |
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128 | bool removeFile(const char* path) |
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129 | { |
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130 | #ifdef _WIN32 |
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131 | return _wunlink(Convert::utf8ToUtf16(path).c_str()) == 0; |
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132 | #else |
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133 | return _unlink(path) == 0; //VS: "The POSIX name is deprecated. Instead, use the ISO C++ conformant name: _unlink" |
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134 | #endif |
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135 | } |
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136 | |
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137 | bool isAbsolutePath(const char* fname) |
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138 | { |
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139 | if (fname == NULL) return false; //SplitFileSystem never passes NULL but this function is public so we never know |
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140 | #ifdef _WIN32 |
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141 | return PathIsRelativeW(Convert::utf8ToUtf16(fname).c_str()) == FALSE; //http://msdn.microsoft.com/en-us/library/bb773660%28v=vs.85%29.aspx |
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142 | #else |
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143 | return fname[0] == PATH_SEPARATOR_CHAR; |
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144 | #endif |
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145 | } |
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146 | |
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147 | #if defined SHP && defined BADA_API_1 |
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148 | |
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149 | MFILE *mfopen(const char *path, const char *mode) |
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150 | { |
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151 | Osp::Io::File *f = new Osp::Io::File(); |
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152 | result r = f->Construct(path, mode); |
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153 | if (IsFailed(r)) |
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154 | { |
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155 | delete f; |
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156 | f = NULL; |
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157 | } |
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158 | return f; |
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159 | } |
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160 | |
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161 | void mfclose(MFILE *f) |
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162 | { |
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163 | delete f; |
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164 | } |
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165 | |
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166 | int mfread(void *ptr, int size, int count, MFILE *f) |
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167 | { |
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168 | int bytes = size * count; |
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169 | int przeczytane = f->Read(ptr, bytes); |
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170 | return przeczytane != bytes ? przeczytane / size : count; |
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171 | } |
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172 | |
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173 | int mfwrite(const void *ptr, int size, int count, MFILE *f) |
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174 | { |
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175 | result r = f->Write(ptr, size * count); |
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176 | if (IsFailed(r)) |
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177 | return 0; //nie mozemy wykryc jesli udalo sie zapisac czêæ |
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178 | else |
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179 | return count; |
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180 | } |
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181 | |
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182 | int mfputs(const char *txt, MFILE *f) |
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183 | { |
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184 | int len = strlen(txt); |
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185 | int res = mfwrite(txt, len, 1, f); |
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186 | return res == 1 ? 1 : EOF; |
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187 | } |
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188 | |
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189 | char* mfgets(char *str, int num, MFILE *f) |
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190 | { |
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191 | bool err = false; |
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192 | int przeczytane = 0; |
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193 | num--; //zeby zawsze zostalo miejsce na wpisanie koncz¹cego NULL |
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194 | do |
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195 | { |
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196 | err = f->Read(str, 1) != 1; |
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197 | if (!err) |
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198 | { |
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199 | str++; |
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200 | przeczytane++; |
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201 | } |
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202 | } while (!err && przeczytane<num && *str != '\n'); |
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203 | if (*str == '\n' && przeczytane<num) |
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204 | *(str + 1) = 0; |
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205 | return przeczytane == 0 ? NULL : str; |
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206 | } |
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207 | |
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208 | int mfeof(MFILE *f) |
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209 | { |
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210 | //brzydkie obejscie zeby w bada wykryc czy FILE jest w stanie EOF |
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211 | static char buf[1]; |
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212 | int pos = f->Tell(); |
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213 | int przeczytane = f->Read(&buf, 1); |
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214 | f->Seek(Osp::Io::FILESEEKPOSITION_BEGIN,pos); |
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215 | return przeczytane == 1 ? 0 : 1; |
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216 | } |
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217 | |
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218 | int mfseek(MFILE *f, long position, int type) |
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219 | { |
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220 | result r; |
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221 | if (type == SEEK_SET) |
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222 | r = f->Seek(Osp::Io::FILESEEKPOSITION_BEGIN, position); |
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223 | else if (type == SEEK_CUR) |
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224 | r = f->Seek(Osp::Io::FILESEEKPOSITION_CURRENT, position); |
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225 | else if (type == SEEK_END) |
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226 | r = f->Seek(Osp::Io::FILESEEKPOSITION_END, position); |
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227 | else |
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228 | return 1; |
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229 | return IsFailed(r) ? 1 : 0; |
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230 | } |
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231 | |
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232 | long mftell(MFILE *f) |
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233 | { |
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234 | return f->Tell(); |
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235 | } |
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236 | |
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237 | #endif |
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238 | |
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239 | |
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240 | |
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241 | |
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242 | |
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243 | #ifdef __ANDROID__ |
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244 | #include "log.h" |
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245 | #include "dirs.h" |
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246 | #include "nonstd_stl.h" |
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247 | MFILE *mfopen(const char *path, const char *mode) |
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248 | { |
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249 | string respath=getAppResourcesDir(); |
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250 | //log_printf("Opening '%s', mode='%s'",path,mode); |
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251 | //log_printf("getAppResourcesDir()='%s'",respath.c_str()); |
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252 | //log_printf("getAppWritableDir()='%s'",getAppWritableDir().c_str()); |
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253 | NvFile *rfile=NULL; //can only read |
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254 | FILE *rwfile=NULL; |
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255 | if (strstr(path,respath.c_str())==path) //opening resource! so we use a dedicated way to read from assets |
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256 | { |
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257 | path+=respath.length(); //strip the prefix, we need a relative path in assets |
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258 | if (path[0]=='/') path++; //also strip slash if it was there (the prefix has no trailing slash so it doesn't get stipped above) |
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259 | if (strstr(mode,"w")) |
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260 | log_printf("Warning: attempt to open a read-only resource '%s' in writable mode '%s'",path,mode); |
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261 | rfile=NvFOpen(path); //"mode" not supported! can only read |
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262 | //log_printf("Opened RES file as %p",rfile); |
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263 | if (rfile==NULL) return NULL; |
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264 | } else //a "normal" access (HOME) |
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265 | { |
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266 | rwfile=fopen(path,mode); |
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267 | //log_printf("Opened HOME file as %p",rwfile); |
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268 | if (rwfile==NULL) return NULL; |
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269 | } |
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270 | MFILE *mfile=new MFILE; |
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271 | mfile->rfile=rfile; |
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272 | mfile->rwfile=rwfile; |
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273 | return mfile; |
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274 | } |
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275 | |
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276 | void mfclose(MFILE *f) |
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277 | { |
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278 | if (f->rfile) |
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279 | NvFClose(f->rfile); |
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280 | else |
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281 | fclose(f->rwfile); |
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282 | |
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283 | delete f; |
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284 | } |
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285 | |
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286 | int mfread(void *ptr, int size, int count, MFILE *f) |
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287 | { |
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288 | if (f->rfile) |
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289 | return NvFRead(ptr, size, count, f->rfile); //nvidia introduced my corrections in SDK v10.14, so a fix is no longer needed here |
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290 | else |
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291 | return fread(ptr, size, count, f->rwfile); |
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292 | } |
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293 | |
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294 | int mfwrite(const void *ptr, int size, int count, MFILE *f) |
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295 | { |
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296 | if (f->rfile) |
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297 | return 0; //write not supported in assets using nvidia functions |
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298 | else |
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299 | return fwrite(ptr, size, count, f->rwfile); |
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300 | } |
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301 | |
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302 | int mfputs(const char *txt, MFILE *f) |
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303 | { |
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304 | int len = strlen(txt); |
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305 | int res = mfwrite(txt, len, 1, f); |
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306 | return res == 1 ? 1 : EOF; |
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307 | } |
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308 | |
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309 | char* mfgets(char *str, int num, MFILE *f) |
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310 | { |
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311 | if (f->rfile) |
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312 | { |
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313 | char *ret=NvFGets(str, num, f->rfile); |
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314 | //fixing nvidia inconsistency... their function never returns NULL (fix submitted) |
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315 | if (ret!=NULL && *ret==0 && num>0) //nothing has been read, must have been eof |
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316 | return NULL; |
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317 | return ret; |
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318 | } |
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319 | else |
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320 | return fgets(str,num,f->rwfile); |
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321 | } |
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322 | |
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323 | int mfeof(MFILE *f) |
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324 | { |
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325 | if (f->rfile) |
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326 | return NvFEOF(f->rfile); |
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327 | else |
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328 | return feof(f->rwfile); |
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329 | } |
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330 | |
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331 | int mfseek(MFILE *f, long position, int type) |
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332 | { |
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333 | if (f->rfile) |
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334 | return NvFSeek(f->rfile, position, type); //nvidia introduced my corrections in SDK v10.14, so a fix is no longer needed here |
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335 | else |
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336 | return fseek(f->rwfile, position, type); |
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337 | } |
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338 | |
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339 | long mftell(MFILE *f) |
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340 | { |
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341 | if (f->rfile) |
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342 | return NvFTell(f->rfile); |
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343 | else |
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344 | return ftell(f->rwfile); |
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345 | } |
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346 | #endif |
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