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[asan] Fix printing of long reports to logcat on Android. 

__android_log_write has an implicit message length limit.
Print one line at a time.

llvm-svn: 202250
This commit is contained in:
Evgeniy Stepanov 2014-02-26 09:39:55 +00:00
parent e23add20ae
commit f4dcf77623
1 changed files with 12 additions and 1 deletions
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13
compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
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@ -732,7 +732,18 @@ uptr internal_clone(int (*fn)(void *), void *child_stack, int flags, void *arg,
// their location and message format might change in the future, so we'd really
// like to avoid that.
void AndroidLogWrite(const char *buffer) {
__android_log_write(ANDROID_LOG_INFO, NULL, buffer);
char *copy = internal_strdup(buffer);
char *p = copy;
char *q;
// __android_log_write has an implicit message length limit.
// Print one line at a time.
do {
q = internal_strchr(p, '\n');
if (q) *q = '\0';
__android_log_write(ANDROID_LOG_INFO, NULL, p);
if (q) p = q + 1;
} while (q);
InternalFree(copy);
}
void GetExtraActivationFlags(char *buf, uptr size) {