merge from open-source master

Change-Id: I698b3c16bdef8751cc857b00f815cb2f95465431
This commit is contained in:
The Android Open Source Project 2010-03-08 17:14:43 -08:00
commit 7df6349a63

View file

@ -753,6 +753,16 @@ char *android_log_formatLogLine (
suffixLen = 1;
break;
}
/* snprintf has a weird return value. It returns what would have been
* written given a large enough buffer. In the case that the prefix is
* longer then our buffer(128), it messes up the calculations below
* possibly causing heap corruption. To avoid this we double check and
* set the length at the maximum (size minus null byte)
*/
if(prefixLen >= sizeof(prefixBuf))
prefixLen = sizeof(prefixBuf) - 1;
if(suffixLen >= sizeof(suffixBuf))
suffixLen = sizeof(suffixBuf) - 1;
/* the following code is tragically unreadable */