diff options
| author | Elliott Hughes <enh@google.com> | 2018-09-06 10:42:40 -0700 |
|---|---|---|
| committer | Elliott Hughes <enh@google.com> | 2018-09-06 10:42:40 -0700 |
| commit | f340a56d1c7aa469ccb4150521aba19f5c73dcf0 (patch) | |
| tree | cc41e09773b753e85fb7a503cd257cf808fea7c0 /libc/stdio/vfprintf.cpp | |
| parent | 74934aaf10d629de477095f0b92c467849f89638 (diff) | |
Use strerror_r(3) for the printf family %m.
There's TLS space used for unknown errno values, and a call to printf
shouldn't clobber that. No-one will ever hit this in real life, but
since it's easily fixed...
Bug: http://b/112776560
Test: ran tests
Change-Id: I8c2437f2e5214e652119791d4e162a197b049d5b
Diffstat (limited to 'libc/stdio/vfprintf.cpp')
| -rw-r--r-- | libc/stdio/vfprintf.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/stdio/vfprintf.cpp b/libc/stdio/vfprintf.cpp index 8b247e961..d99d09c86 100644 --- a/libc/stdio/vfprintf.cpp +++ b/libc/stdio/vfprintf.cpp @@ -453,7 +453,7 @@ int FUNCTION_NAME(FILE* fp, const CHAR_TYPE* fmt0, va_list ap) { case 'n': __fortify_fatal("%%n not allowed on Android"); case 'm': - cp = strerror(caller_errno); + cp = strerror_r(caller_errno, buf, sizeof(buf)); goto string; case 'O': flags |= LONGINT; |