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Timestamp temporary files to reduce the chance of name collisions

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This commit is contained in:
Thomas Goyne 2012-10-21 15:26:34 -07:00
parent b43f27396e
commit decbf06de3
1 changed files with 9 additions and 2 deletions
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11
aegisub/libaegisub/common/io.cpp
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@ -30,13 +30,20 @@
#include "libaegisub/log.h" #include "libaegisub/log.h"
#include "libaegisub/util.h" #include "libaegisub/util.h"
#ifdef _WIN32
#define snprintf sprintf_s
#endif
namespace { namespace {
std::string make_temp_name(std::string const& filename) { std::string make_temp_name(std::string const& filename) {
char tmp[1024];
snprintf(tmp, sizeof tmp, "_tmp_%lld", (long long)time(0));
std::string::size_type pos = filename.rfind('.'); std::string::size_type pos = filename.rfind('.');
if (pos == std::string::npos) if (pos == std::string::npos)
return filename + "_tmp"; return filename + tmp;
return filename.substr(0, pos) + "_tmp" + filename.substr(pos); return filename.substr(0, pos) + tmp + filename.substr(pos);
} }
} }