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-rw-r--r--stdio-common/vfprintf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index 2da8988..f458ce2 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -210,6 +210,9 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
/* Count number of specifiers we already processed. */
int nspecs_done;
+ /* For the %m format we may need the current `errno' value. */
+ int save_errno = errno;
+
/* This table maps a character into a number representing a
class. In each step there is a destination label for each
@@ -849,7 +852,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
extern char *_strerror_internal __P ((int, char *buf, size_t)); \
\
string = (char *) \
- _strerror_internal (errno, work_buffer, sizeof work_buffer); \
+ _strerror_internal (save_errno, work_buffer, sizeof work_buffer); \
} \
is_long = 0; /* This is no wide-char string. */ \
goto LABEL (print_string)