Mercurial > repos > blastem
annotate util.c @ 922:913a6336ce20
Shift slot number to slot behavior mapping by six slots in H40 mode. This makes the line change slot align with the point at which the display turns on and off at the end of the active display area. Also fixed a regression in which an external slot got accidentally changed into a sprite draw slot
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 28 Jan 2016 09:10:14 -0800 |
parents | 252dfd29831d |
children | 229c23b3ab73 |
rev | line source |
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495
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1 #include <string.h> |
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2 #include <stdlib.h> |
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3 #include <stdio.h> |
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4 #include <ctype.h> |
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5 #include <stdint.h> |
805 | 6 #include <stdarg.h> |
495
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7 |
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8 #include <sys/types.h> |
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9 #include <sys/stat.h> |
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10 #include <unistd.h> |
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11 |
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12 #ifdef __ANDROID__ |
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13 #include <android/log.h> |
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14 #define info_puts(msg) __android_log_write(ANDROID_LOG_INFO, "BlastEm", msg) |
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15 #define warning_puts(msg) __android_log_write(ANDROID_LOG_WARN, "BlastEm", msg) |
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16 #define fatal_puts(msg) __android_log_write(ANDROID_LOG_FATAL, "BlastEm", msg) |
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17 |
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18 #define info_printf(msg, args) __android_log_vprint(ANDROID_LOG_INFO, "BlastEm", msg, args) |
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19 #define warning_printf(msg, args) __android_log_vprint(ANDROID_LOG_WARN, "BlastEm", msg, args) |
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20 #define fatal_printf(msg, args) __android_log_vprint(ANDROID_LOG_FATAL, "BlastEm", msg, args) |
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21 #else |
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22 #define info_puts(msg) fputs(msg, stdout); |
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23 #define warning_puts(msg) fputs(msg, stderr); |
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24 #define fatal_puts(msg) fputs(msg, stderr); |
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25 |
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26 #define info_printf(msg, args) vprintf(msg, args) |
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27 #define warning_printf(msg, args) vfprintf(stderr, msg, args) |
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28 #define fatal_printf(msg, args) vfprintf(stderr, msg, args) |
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29 #endif |
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30 |
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31 #include "blastem.h" //for headless global |
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32 #include "render.h" //for render_errorbox |
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Menu ROM now pulls real file names from the OS rather than using a fake list
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33 #include "util.h" |
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34 |
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35 char * alloc_concat(char const * first, char const * second) |
495
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36 { |
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37 int flen = strlen(first); |
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38 int slen = strlen(second); |
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39 char * ret = malloc(flen + slen + 1); |
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40 memcpy(ret, first, flen); |
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41 memcpy(ret+flen, second, slen+1); |
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42 return ret; |
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43 } |
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44 |
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45 char * alloc_concat_m(int num_parts, char const ** parts) |
495
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46 { |
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47 int total = 0; |
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48 for (int i = 0; i < num_parts; i++) { |
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49 total += strlen(parts[i]); |
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50 } |
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51 char * ret = malloc(total + 1); |
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52 *ret = 0; |
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53 for (int i = 0; i < num_parts; i++) { |
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54 strcat(ret, parts[i]); |
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55 } |
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56 return ret; |
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57 } |
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58 |
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59 long file_size(FILE * f) |
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60 { |
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61 fseek(f, 0, SEEK_END); |
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62 long fsize = ftell(f); |
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63 fseek(f, 0, SEEK_SET); |
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64 return fsize; |
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65 } |
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66 |
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67 char * strip_ws(char * text) |
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68 { |
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69 while (*text && (!isprint(*text) || isblank(*text))) |
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70 { |
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71 text++; |
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72 } |
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73 char * ret = text; |
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74 text = ret + strlen(ret) - 1; |
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75 while (text > ret && (!isprint(*text) || isblank(*text))) |
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76 { |
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77 *text = 0; |
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78 text--; |
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79 } |
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80 return ret; |
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81 } |
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82 |
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83 char * split_keyval(char * text) |
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84 { |
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85 while (*text && !isblank(*text)) |
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86 { |
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87 text++; |
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88 } |
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89 if (!*text) { |
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90 return text; |
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91 } |
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92 *text = 0; |
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93 return text+1; |
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94 } |
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95 |
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96 uint32_t nearest_pow2(uint32_t val) |
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97 { |
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98 uint32_t ret = 1; |
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99 while (ret < val) |
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100 { |
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101 ret = ret << 1; |
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102 } |
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103 return ret; |
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104 } |
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105 |
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106 static char * exe_str; |
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107 |
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108 void set_exe_str(char * str) |
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109 { |
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110 exe_str = str; |
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111 } |
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112 |
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113 void fatal_error(char *format, ...) |
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114 { |
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115 va_list args; |
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116 va_start(args, format); |
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117 if (!headless) { |
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118 //take a guess at the final size |
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119 size_t size = strlen(format) * 2; |
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120 char *buf = malloc(size); |
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121 size_t actual = vsnprintf(buf, size, format, args); |
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122 if (actual >= size) { |
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123 actual++; |
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124 free(buf); |
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125 buf = malloc(actual); |
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126 va_end(args); |
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127 va_start(args, format); |
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128 vsnprintf(buf, actual, format, args); |
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129 } |
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130 fatal_puts(buf); |
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131 render_errorbox("Fatal Error", buf); |
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132 free(buf); |
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133 } else { |
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134 fatal_printf(format, args); |
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135 } |
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136 va_end(args); |
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137 exit(1); |
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138 } |
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139 |
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140 void warning(char *format, ...) |
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141 { |
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142 va_list args; |
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143 va_start(args, format); |
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144 #ifndef _WIN32 |
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145 if (headless || (isatty(STDERR_FILENO) && isatty(STDIN_FILENO))) { |
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146 warning_printf(format, args); |
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147 } else { |
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148 #endif |
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149 size_t size = strlen(format) * 2; |
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150 char *buf = malloc(size); |
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151 size_t actual = vsnprintf(buf, size, format, args); |
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152 if (actual >= size) { |
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153 actual++; |
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154 free(buf); |
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155 buf = malloc(actual); |
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156 va_end(args); |
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157 va_start(args, format); |
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158 vsnprintf(buf, actual, format, args); |
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159 } |
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160 warning_puts(buf); |
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161 render_infobox("BlastEm Info", buf); |
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162 free(buf); |
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163 #ifndef _WIN32 |
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164 } |
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165 #endif |
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166 va_end(args); |
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167 } |
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168 |
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169 void info_message(char *format, ...) |
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170 { |
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171 va_list args; |
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172 va_start(args, format); |
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173 #ifndef _WIN32 |
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174 if (headless || (isatty(STDOUT_FILENO) && isatty(STDIN_FILENO))) { |
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175 info_printf(format, args); |
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176 } else { |
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177 #endif |
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178 size_t size = strlen(format) * 2; |
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179 char *buf = malloc(size); |
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180 size_t actual = vsnprintf(buf, size, format, args); |
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181 if (actual >= size) { |
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182 actual++; |
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183 free(buf); |
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184 buf = malloc(actual); |
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185 va_end(args); |
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186 va_start(args, format); |
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187 vsnprintf(buf, actual, format, args); |
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188 } |
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189 info_puts(buf); |
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190 render_infobox("BlastEm Info", buf); |
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191 free(buf); |
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192 #ifndef _WIN32 |
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193 } |
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194 #endif |
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195 va_end(args); |
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196 } |
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197 |
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198 #ifdef _WIN32 |
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199 #include <windows.h> |
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200 #include <shlobj.h> |
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201 |
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202 char * get_home_dir() |
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203 { |
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204 static char path[MAX_PATH]; |
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205 SHGetFolderPathA(NULL, CSIDL_PROFILE, NULL, 0, path); |
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206 return path; |
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207 } |
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208 |
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209 char * get_exe_dir() |
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210 { |
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211 static char path[MAX_PATH]; |
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212 HMODULE module = GetModuleHandleA(NULL); |
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213 GetModuleFileNameA(module, path, MAX_PATH); |
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214 |
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215 int pathsize = strlen(path); |
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216 for(char * cur = path + pathsize - 1; cur != path; cur--) |
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217 { |
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218 if (*cur == '\\') { |
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219 *cur = 0; |
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220 break; |
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221 } |
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222 } |
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223 return path; |
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224 } |
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225 |
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226 #else |
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227 |
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228 char * get_home_dir() |
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229 { |
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230 return getenv("HOME"); |
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231 } |
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232 |
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233 char * readlink_alloc(char * path) |
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234 { |
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235 char * linktext = NULL; |
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236 ssize_t linksize = 512; |
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237 ssize_t cursize = 0; |
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238 do { |
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239 if (linksize > cursize) { |
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240 cursize = linksize; |
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241 if (linktext) { |
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242 free(linktext); |
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243 } |
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244 } |
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245 linktext = malloc(cursize); |
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246 linksize = readlink(path, linktext, cursize-1); |
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247 if (linksize == -1) { |
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248 perror("readlink"); |
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249 free(linktext); |
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250 return NULL; |
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251 } |
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252 } while ((linksize+1) > cursize); |
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253 linktext[linksize] = 0; |
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254 return linktext; |
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255 } |
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256 |
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257 char * get_exe_dir() |
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258 { |
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259 static char * exe_dir; |
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260 if (!exe_dir) { |
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261 char * cur; |
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262 #ifdef HAS_PROC |
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263 char * linktext = readlink_alloc("/proc/self/exe"); |
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264 if (!linktext) { |
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265 goto fallback; |
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266 } |
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267 int linksize = strlen(linktext); |
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268 for(cur = linktext + linksize - 1; cur != linktext; cur--) |
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269 { |
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270 if (*cur == '/') { |
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271 *cur = 0; |
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272 break; |
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273 } |
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274 } |
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275 if (cur == linktext) { |
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276 free(linktext); |
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277 fallback: |
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278 #endif |
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279 if (!exe_str) { |
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280 fputs("/proc/self/exe is not available and set_exe_str was not called!", stderr); |
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281 } |
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282 int pathsize = strlen(exe_str); |
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283 for(cur = exe_str + pathsize - 1; cur != exe_str; cur--) |
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284 { |
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285 if (*cur == '/') { |
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286 exe_dir = malloc(cur-exe_str+1); |
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287 memcpy(exe_dir, exe_str, cur-exe_str); |
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288 exe_dir[cur-exe_str] = 0; |
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289 break; |
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290 } |
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291 } |
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292 #ifdef HAS_PROC |
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293 } else { |
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294 exe_dir = linktext; |
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295 } |
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296 #endif |
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297 } |
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298 return exe_dir; |
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299 } |
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300 #include <dirent.h> |
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301 |
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302 dir_entry *get_dir_list(char *path, size_t *numret) |
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303 { |
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304 DIR *d = opendir(path); |
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305 if (!d) { |
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306 if (numret) { |
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307 *numret = 0; |
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308 } |
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309 return NULL; |
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310 } |
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311 size_t storage = 64; |
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312 dir_entry *ret = malloc(sizeof(dir_entry) * storage); |
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313 size_t pos = 0; |
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314 struct dirent* entry; |
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315 while (entry = readdir(d)) |
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316 { |
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317 if (entry->d_type != DT_REG && entry->d_type != DT_LNK && entry->d_type != DT_DIR) { |
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318 continue; |
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319 } |
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320 if (pos == storage) { |
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321 storage = storage * 2; |
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322 ret = realloc(ret, sizeof(dir_entry) * storage); |
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323 } |
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324 ret[pos].name = strdup(entry->d_name); |
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325 ret[pos++].is_dir = entry->d_type == DT_DIR; |
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326 } |
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327 if (numret) { |
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328 *numret = pos; |
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329 } |
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330 return ret; |
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331 } |
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332 |
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333 void free_dir_list(dir_entry *list, size_t numentries) |
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334 { |
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335 for (size_t i = 0; i < numentries; i++) |
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336 { |
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337 free(list[i].name); |
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338 } |
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339 free(list); |
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340 } |
742
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Make Windows port a little less half-assed
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341 |
741
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342 #endif |
875
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343 |
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344 #ifdef __ANDROID__ |
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345 |
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346 #include <SDL.h> |
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347 char *read_bundled_file(char *name, long *sizeret) |
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348 { |
876
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349 SDL_RWops *rw = SDL_RWFromFile(name, "rb"); |
875
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350 if (!rw) { |
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351 if (sizeret) { |
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352 *sizeret = -1; |
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353 } |
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354 return NULL; |
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355 } |
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356 |
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357 long fsize = rw->size(rw); |
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358 if (sizeret) { |
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359 *sizeret = fsize; |
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360 } |
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361 char *ret; |
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362 if (fsize) { |
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363 ret = malloc(fsize); |
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364 if (SDL_RWread(rw, ret, 1, fsize) != fsize) { |
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365 free(ret); |
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366 ret = NULL; |
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367 } |
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368 } else { |
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369 ret = NULL; |
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370 } |
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371 SDL_RWclose(rw); |
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372 return ret; |
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373 } |
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374 |
876
540cc4a7d626
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375 char const *get_config_dir() |
875
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376 { |
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377 return SDL_AndroidGetInternalStoragePath(); |
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378 } |
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379 |
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380 #else |
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381 |
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382 char *read_bundled_file(char *name, long *sizeret) |
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383 { |
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384 char *exe_dir = get_exe_dir(); |
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385 if (!exe_dir) { |
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386 if (sizeret) { |
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387 *sizeret = -1; |
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388 } |
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389 return NULL; |
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|
390 } |
884
252dfd29831d
Selecting a second game from the menu now works
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883
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391 char const *pieces[] = {exe_dir, "/", name}; |
875
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392 char *path = alloc_concat_m(3, pieces); |
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393 FILE *f = fopen(path, "rb"); |
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394 free(path); |
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|
395 if (!f) { |
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|
396 if (sizeret) { |
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397 *sizeret = -1; |
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|
398 } |
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|
399 return NULL; |
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|
400 } |
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|
401 |
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402 long fsize = file_size(f); |
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403 if (sizeret) { |
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|
404 *sizeret = fsize; |
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|
405 } |
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|
406 char *ret; |
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|
407 if (fsize) { |
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408 //reserve an extra byte in case caller wants |
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409 //to null terminate the data |
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410 ret = malloc(fsize+1); |
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411 if (fread(ret, 1, fsize, f) != fsize) { |
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412 free(ret); |
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413 ret = NULL; |
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|
414 } |
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|
415 } else { |
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|
416 ret = NULL; |
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|
417 } |
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|
418 return ret; |
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|
419 } |
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|
420 |
876
540cc4a7d626
Fix Android build breakage
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875
diff
changeset
|
421 char const *get_config_dir() |
875
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|
422 { |
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423 static char* confdir; |
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424 if (!confdir) { |
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425 char *homedir = get_home_dir(); |
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426 if (homedir) { |
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|
427 confdir = alloc_concat(homedir, "/.config/blastem"); |
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|
428 } |
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diff
changeset
|
429 } |
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|
430 return confdir; |
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|
431 } |
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|
432 |
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|
433 #endif |