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issue 133: Mach-o UUID generation has problems - reviewed by waylonis

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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@127 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ladderbreaker 2007-03-16 17:51:43 +00:00
parent bcd46f0079
commit 1a4310017e
1 changed files with 13 additions and 6 deletions
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19
src/common/mac/macho_id.cc
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@ -170,12 +170,19 @@ bool MachoID::IDCommand(int cpu_type, unsigned char identifier[16]) {
// If we found the command, we'll have initialized the dylib_command
// structure
if (dylib_cmd.cmd == LC_ID_DYLIB) {
// Take the timestamp, version, and compatability version bytes to form
// the first 12 bytes, pad the rest with zeros
identifier[0] = (dylib_cmd.dylib.timestamp >> 24) & 0xFF;
identifier[1] = (dylib_cmd.dylib.timestamp >> 16) & 0xFF;
identifier[2] = (dylib_cmd.dylib.timestamp >> 8) & 0xFF;
identifier[3] = dylib_cmd.dylib.timestamp & 0xFF;
// Take the hashed filename, version, and compatability version bytes
// to form the first 12 bytes, pad the rest with zeros
// create a crude hash of the filename to generate the first 4 bytes
identifier[0] = 0;
identifier[1] = 0;
identifier[2] = 0;
identifier[3] = 0;
for (int j = 0, i = strlen(path_)-1; i >= 0 && path_[i]!='/'; ++j, --i) {
identifier[j%4] += path_[i];
}
identifier[4] = (dylib_cmd.dylib.current_version >> 24) & 0xFF;
identifier[5] = (dylib_cmd.dylib.current_version >> 16) & 0xFF;
identifier[6] = (dylib_cmd.dylib.current_version >> 8) & 0xFF;