1 | // This file is a part of Framsticks SDK. http://www.framsticks.com/ |
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2 | // Copyright (C) 1999-2018 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 "stl-util.h" |
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6 | #include <stdarg.h> |
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7 | #include <stdlib.h> |
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8 | #include "nonstd_stdio.h" |
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9 | #include "Convert.h" |
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10 | #include "nonstd.h" |
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11 | #include "log.h" |
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12 | #include <assert.h> |
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13 | #ifdef USE_VIRTFILE |
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14 | #include <common/virtfile/virtfile.h> |
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15 | #endif |
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16 | |
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17 | |
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18 | string ssprintf_va(const char* format, va_list ap) |
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19 | { |
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20 | string s; //clang crashed when this declaration was in s=buf |
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21 | int size = 256; |
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22 | char* buf; |
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23 | va_list ap_copy; // "va_list ap" can only by used once by printf-type functions as they advance the current argument pointer (crashed on linux x86_64) |
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24 | // (does not apply to SString::sprintf, it does not have the va_list variant) |
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25 | |
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26 | //almost like SString::sprintf, but there is no common code to share because SString can use its directWrite to avoid double allocating/copying |
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27 | #ifdef USE_VSCPRINTF |
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28 | va_copy(ap_copy, ap); |
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29 | size = _vscprintf(format, ap_copy) + 1; //+1 for terminating null character |
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30 | va_end(ap_copy); |
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31 | #endif |
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32 | |
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33 | while (1) |
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34 | { |
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35 | buf = (char*)malloc(size); |
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36 | assert(buf != NULL); |
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37 | va_copy(ap_copy, ap); |
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38 | int n = vsnprintf(buf, size, format, ap_copy); |
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39 | va_end(ap_copy); |
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40 | if (n > -1 && n < size) |
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41 | { |
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42 | s = buf; |
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43 | free(buf); |
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44 | return s; |
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45 | } |
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46 | #ifdef VSNPRINTF_RETURNS_REQUIRED_SIZE |
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47 | if (n > -1) /* glibc 2.1 */ |
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48 | size = n+1; /* precisely what is needed */ |
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49 | else /* glibc 2.0 */ |
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50 | #endif |
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51 | size *= 2; /* twice the old size */ |
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52 | free(buf); |
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53 | } |
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54 | } |
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55 | |
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56 | char* strmove(char *a, char *b) //strcpy that works well for overlapping strings ("Source and destination overlap") |
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57 | { |
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58 | if (a == NULL || b == NULL) |
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59 | return NULL; |
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60 | memmove(a, b, strlen(b) + 1); |
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61 | return a; |
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62 | } |
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63 | |
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64 | string ssprintf(const char* format, ...) |
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65 | { |
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66 | va_list ap; |
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67 | va_start(ap, format); |
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68 | string ret = ssprintf_va(format, ap); //is it too wasteful? copying the string again... unless the compiler can handle it better |
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69 | va_end(ap); |
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70 | return ret; |
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71 | } |
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72 | |
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73 | bool readCompleteFile(const char* filename, vector<char>& data, bool warn_on_missing_file) |
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74 | { |
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75 | bool ok = false; |
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76 | #ifdef USE_VIRTFILE |
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77 | // if (!isAbsolutePath(filename)) |
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78 | { |
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79 | VirtFILE *f=Vfopen(filename,FOPEN_READ_BINARY); |
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80 | if (f) |
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81 | { |
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82 | int size=f->getSize(); |
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83 | data.resize(size); |
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84 | int przeczytane = f->Vread(&data[0], size, 1); |
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85 | ok = przeczytane == 1; |
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86 | delete f; |
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87 | } |
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88 | } |
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89 | // else |
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90 | #endif |
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91 | { |
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92 | MFILE *f = mfopen(filename, FOPEN_READ_BINARY); |
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93 | if (f) |
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94 | { |
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95 | int size = getFileSize(f); |
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96 | data.resize(size); |
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97 | int przeczytane = mfread(&data[0], size, 1, f); |
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98 | mfclose(f); |
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99 | ok = przeczytane == 1; |
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100 | } |
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101 | } |
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102 | if (warn_on_missing_file && !ok) |
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103 | logPrintf("stl-util", "readCompleteFile", LOG_WARN, "Couldn't open file '%s'", filename); |
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104 | return ok; |
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105 | } |
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106 | |
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107 | bool readCompleteFile(const char* filename, string& out, bool warn_on_missing_file) |
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108 | { |
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109 | vector<char> data; |
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110 | if (readCompleteFile(filename, data, warn_on_missing_file)) |
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111 | { |
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112 | out = string(&data[0], data.size()); |
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113 | return true; |
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114 | } |
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115 | return false; |
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116 | } |
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117 | |
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118 | bool writeCompleteFile(const char* filename, const string& text, bool warn_on_fail) |
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119 | { |
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120 | #ifdef USE_VIRTFILE |
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121 | VirtFILE *f = Vfopen(filename, FOPEN_WRITE_BINARY); |
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122 | bool ok = f != NULL; |
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123 | if (f) |
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124 | { |
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125 | int zapisane = f->Vwrite(text.c_str(), text.length(), 1); |
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126 | delete f; |
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127 | ok &= zapisane == 1; |
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128 | } |
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129 | #else |
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130 | MFILE *f = mfopen(filename, FOPEN_WRITE_BINARY); |
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131 | bool ok = f != NULL; |
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132 | if (f) |
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133 | { |
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134 | int zapisane = mfwrite(text.c_str(), text.length(), 1, f); |
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135 | mfclose(f); |
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136 | ok &= zapisane == 1; |
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137 | } |
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138 | #endif |
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139 | if (warn_on_fail && !ok) |
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140 | logPrintf("stl-util", "writeCompleteFile", LOG_WARN, "Couldn't write file '%s'", filename); |
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141 | return ok; |
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142 | } |
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143 | |
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144 | bool writeCompleteFile(const char* filename, vector<char>& data, bool warn_on_fail) |
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145 | { |
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146 | string s(&data[0], data.size()); |
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147 | return writeCompleteFile(filename, s, warn_on_fail); |
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148 | } |
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149 | |
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150 | |
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151 | |
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152 | string stripExt(const string& filename) |
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153 | { |
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154 | size_t dot = filename.rfind('.'); |
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155 | if (dot == string::npos) return filename; |
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156 | size_t sep = filename.rfind(PATH_SEPARATOR_CHAR); |
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157 | if ((sep == string::npos) || (sep < dot)) |
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158 | return filename.substr(0, dot); |
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159 | return filename; |
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160 | } |
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161 | |
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162 | string stripFileDir(const string& filename) |
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163 | { |
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164 | size_t sep = filename.rfind(PATH_SEPARATOR_CHAR); |
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165 | if (sep == string::npos) return filename; |
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166 | return filename.substr(sep+1); |
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167 | } |
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168 | |
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169 | string getFileExt(const string& filename) |
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170 | { |
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171 | size_t dot = filename.rfind('.'); |
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172 | if (dot == string::npos) return string(""); |
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173 | size_t sep = filename.rfind(PATH_SEPARATOR_CHAR); |
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174 | if ((sep == string::npos) || (sep < dot)) |
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175 | return filename.substr(dot); |
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176 | return string(""); |
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177 | } |
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178 | |
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179 | string getFileDir(const string& filename) |
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180 | { |
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181 | size_t slash = filename.rfind(PATH_SEPARATOR_CHAR); |
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182 | if (slash == string::npos) return string(""); |
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183 | return filename.substr(0, slash); |
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184 | } |
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185 | |
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