SHA256
1
0
forked from pool/0ad
0ad/0ad-traceparse.patch

34 lines
1.7 KiB
Diff

diff -r 976c6a6b04e9 source/lib/file/common/trace.cpp
--- source/lib/file/common/trace.cpp Sat Jul 24 19:57:17 2010 +0100
+++ source/lib/file/common/trace.cpp Sat Jul 24 20:30:39 2010 +0100
@@ -57,13 +57,26 @@
wchar_t pathname[PATH_MAX+1] = L""; // includes space for terminator
wchar_t action;
#if EMULATE_SECURE_CRT
- #define TRACE_FORMAT L"%f: %lc \"%" STRINGIZE(PATH_MAX) "l[^\"]\" %zd\n" /* use a macro to allow compile-time type-checking */
- const int fieldsRead = swscanf(text.c_str(), TRACE_FORMAT, &m_timestamp, &action, pathname, &m_size);
+ // The desired code:
+// #define TRACE_FORMAT L"%f: %lc \"%" STRINGIZE(PATH_MAX) "l[^\"]\" %zd\n" /* use a macro to allow compile-time type-checking */
+// const int fieldsRead = swscanf(text.c_str(), TRACE_FORMAT, &m_timestamp, &action, pathname, &m_size);
+ // but that hits http://sources.redhat.com/bugzilla/show_bug.cgi?id=5225 and crashes on glibc 2.7
+ // We need to avoid reading any numbers after the %[]
+ #define TRACE_FORMAT_1 L"%f: %lc \"%" STRINGIZE(PATH_MAX) "l[^\"]\" %n"
+ #define TRACE_FORMAT_2 L"%zd\n"
+ int charsRead = 0;
+ int fieldsRead = swscanf(text.c_str(), TRACE_FORMAT_1, &m_timestamp, &action, pathname, &charsRead);
+ debug_assert(fieldsRead == 3);
+ if (fieldsRead == 3) // first part parsed okay
+ {
+ fieldsRead = swscanf(text.c_str() + charsRead, TRACE_FORMAT_2, &m_size);
+ debug_assert(fieldsRead == 1);
+ }
#else
#define TRACE_FORMAT L"%f: %lc \"%l[^\"]\" %d\n"
const int fieldsRead = swscanf_s(text.c_str(), TRACE_FORMAT, &m_timestamp, &action, 1, pathname, ARRAY_SIZE(pathname), &m_size);
+ debug_assert(fieldsRead == 4);
#endif
- debug_assert(fieldsRead == 4);
debug_assert(action == 'L' || action == 'S');
m_action = (EAction)action;
m_pathname = pathname;