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LibC: Don't clobber errno in dbgprintf().

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This commit is contained in:
Andreas Kling 2019-05-16 16:24:22 +02:00
parent f1f3cd58b0
commit e20aecefba
1 changed files with 2 additions and 0 deletions
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2
LibC/stdio.cpp
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@ -295,10 +295,12 @@ int dbgprintf(const char* fmt, ...)
{ {
// if this fails, you're printing too early. // if this fails, you're printing too early.
ASSERT(stddbg); ASSERT(stddbg);
int errno_backup = errno;
va_list ap; va_list ap;
va_start(ap, fmt); va_start(ap, fmt);
int ret = vfprintf(stddbg, fmt, ap); int ret = vfprintf(stddbg, fmt, ap);
va_end(ap); va_end(ap);
errno = errno_backup;
return ret; return ret;
} }