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Diffstat (limited to 'src/stdio')
-rw-r--r--src/stdio/vfprintf.c7
-rw-r--r--src/stdio/vfwprintf.c10
2 files changed, 11 insertions, 6 deletions
diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
index a2b287bd..b5948bd2 100644
--- a/src/stdio/vfprintf.c
+++ b/src/stdio/vfprintf.c
@@ -530,7 +530,6 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
/* Check validity of argument type (nl/normal) */
if (st==NOARG) {
if (argpos>=0) return -1;
- else if (!f) continue;
} else {
if (argpos>=0) nl_type[argpos]=st, arg=nl_arg[argpos];
else if (f) pop_arg(&arg, st, ap);
@@ -660,8 +659,12 @@ int vfprintf(FILE *restrict f, const char *restrict fmt, va_list ap)
unsigned char internal_buf[80], *saved_buf = 0;
int ret;
+ /* the copy allows passing va_list* even if va_list is an array */
va_copy(ap2, ap);
- if (printf_core(0, fmt, &ap2, nl_arg, nl_type) < 0) return -1;
+ if (printf_core(0, fmt, &ap2, nl_arg, nl_type) < 0) {
+ va_end(ap2);
+ return -1;
+ }
FLOCK(f);
if (!f->buf_size) {
diff --git a/src/stdio/vfwprintf.c b/src/stdio/vfwprintf.c
index 3557678f..984ff7b7 100644
--- a/src/stdio/vfwprintf.c
+++ b/src/stdio/vfwprintf.c
@@ -253,7 +253,6 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
/* Check validity of argument type (nl/normal) */
if (st==NOARG) {
if (argpos>=0) return -1;
- else if (!f) continue;
} else {
if (argpos>=0) nl_type[argpos]=st, arg=nl_arg[argpos];
else if (f) pop_arg(&arg, st, ap);
@@ -287,8 +286,7 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
case 'S':
a = arg.p;
z = wmemchr(a, 0, p);
- if (!z) z=a+p;
- else p=z-a;
+ if (z) p=z-a;
if (w<p) w=p;
if (!(fl&LEFT_ADJ)) fprintf(f, "%.*s", w-p, "");
out(f, a, p);
@@ -349,8 +347,12 @@ int vfwprintf(FILE *restrict f, const wchar_t *restrict fmt, va_list ap)
union arg nl_arg[NL_ARGMAX];
int ret;
+ /* the copy allows passing va_list* even if va_list is an array */
va_copy(ap2, ap);
- if (wprintf_core(0, fmt, &ap2, nl_arg, nl_type) < 0) return -1;
+ if (wprintf_core(0, fmt, &ap2, nl_arg, nl_type) < 0) {
+ va_end(ap2);
+ return -1;
+ }
FLOCK(f);
ret = wprintf_core(f, fmt, &ap2, nl_arg, nl_type);