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Avoid clobbering errno in warning().

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This commit is contained in:
Todd C. Miller
2021-05-01 11:35:19 -06:00
parent bc82430a6f
commit 9077daee93
1 changed files with 4 additions and 0 deletions
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4
lib/util/fatal.c
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@@ -183,6 +183,7 @@ static void
warning(const char *errstr, const char *fmt, va_list ap) warning(const char *errstr, const char *fmt, va_list ap)
{ {
int cookie; int cookie;
const int saved_errno = errno;
/* Set user locale if setter was specified. */ /* Set user locale if setter was specified. */
if (sudo_warn_setlocale != NULL) if (sudo_warn_setlocale != NULL)
@@ -246,6 +247,9 @@ warning(const char *errstr, const char *fmt, va_list ap)
/* Restore old locale as needed. */ /* Restore old locale as needed. */
if (sudo_warn_setlocale != NULL) if (sudo_warn_setlocale != NULL)
sudo_warn_setlocale(true, &cookie); sudo_warn_setlocale(true, &cookie);
/* Do not clobber errno. */
errno = saved_errno;
} }
/* /*