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-rw-r--r--stdio-common/vfprintf.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index e6c2df2..e13785f 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -826,6 +826,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
mbstate_t mbstate; \
size_t len; \
\
+ memset (&mbstate, '\0', sizeof (mbstate_t)); \
len = __wcrtomb (buf, (fspec == NULL ? va_arg (ap, wint_t) \
: args_value[fspec->data_arg].pa_wchar), \
&mbstate); \
@@ -880,6 +881,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
const wchar_t *s2 = (const wchar_t *) string; \
mbstate_t mbstate; \
\
+ memset (&mbstate, '\0', sizeof (mbstate_t)); \
len = __wcsrtombs (NULL, &s2, 0, &mbstate); \
if (len == (size_t) -1) \
/* Illegal wide-character string. */ \
@@ -887,6 +889,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
\
s2 = (const wchar_t *) string; \
string = alloca (len + 1); \
+ memset (&mbstate, '\0', sizeof (mbstate_t)); \
(void) __wcsrtombs (string, &s2, prec != -1 ? prec : UINT_MAX, \
&mbstate); \
} \
@@ -993,6 +996,9 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
#endif
nspecs_done = 0;
+ /* Put state for processing format string in initial state. */
+ memset (&mbstate, '\0', sizeof (mbstate_t));
+
/* Find the first format specifier. */
f = lead_str_end = find_spec (format, &mbstate);