| 193 | | - (BOOL)_extractArchivePath:archivePath toDestination:(NSString *)destination pipingDataToCommand:(NSString *)command |
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| 194 | | { |
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| 195 | | // Get the file size. |
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| 196 | | NSNumber *fs = [[[NSFileManager defaultManager] fileAttributesAtPath:archivePath traverseLink:NO] objectForKey:NSFileSize]; |
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| 197 | | if (fs == nil) { return NO; } |
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| 198 | | |
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| 199 | | // Thank you, Allan Odgaard! |
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| 200 | | // (who wrote the following extraction alg.) |
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| 201 | | |
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| 202 | | long current = 0; |
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| 203 | | FILE *fp, *cmdFP; |
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| 204 | | sig_t oldSigPipeHandler = signal(SIGPIPE, SIG_IGN); |
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| 205 | | if ((fp = fopen([archivePath UTF8String], "r"))) |
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| 206 | | { |
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| 207 | | setenv("DESTINATION", [destination fileSystemRepresentation], 1); |
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| 208 | | if ((cmdFP = popen([command cString], "w"))) |
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| 209 | | { |
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| 210 | | char buf[32*1024]; |
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| 211 | | long len; |
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| 212 | | while((len = fread(buf, 1, 32 * 1024, fp))) |
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| 213 | | { |
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| 214 | | current += len; |
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| 215 | | |
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| 216 | | fwrite(buf, 1, len, cmdFP); |
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| 217 | | |
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| 218 | | } |
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| 219 | | pclose(cmdFP); |
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| 220 | | } |
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| 221 | | unsetenv("DESTINATION"); |
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| 222 | | fclose(fp); |
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| 223 | | } |
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| 224 | | signal(SIGPIPE, oldSigPipeHandler); |
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| 225 | | return YES; |
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| | 193 | - (BOOL)_extractArchivePath:archivePath toDestination:(NSString *)destination |
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| | 194 | { |
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| | 195 | BOOL ret = NO; |
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| | 196 | struct stat sb; |
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| | 197 | if(stat([destination fileSystemRepresentation], &sb) != 0) |
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| | 198 | return FALSE; |
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| | 199 | |
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| | 200 | char *buf = NULL; |
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| | 201 | asprintf(&buf, |
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| | 202 | "ditto -x -k --rsrc \"$SRC_ARCHIVE\" \"$DST_PATH\""); |
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| | 203 | if(!buf) |
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| | 204 | return FALSE; |
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| | 205 | |
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| | 206 | setenv("SRC_ARCHIVE", [archivePath fileSystemRepresentation], 1); |
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| | 207 | setenv("DST_PATH", [destination fileSystemRepresentation], 1); |
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| | 208 | |
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| | 209 | int status = system(buf); |
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| | 210 | if(WIFEXITED(status) && WEXITSTATUS(status) == 0) |
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| | 211 | ret = YES; |
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| | 212 | |
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| | 213 | free(buf); |
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| | 214 | unsetenv("SRC_ARCHIVE"); |
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| | 215 | unsetenv("DST_PATH"); |
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| | 216 | return ret; |
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