Måns Rullgård writes:
> Derek Buitenhuis writes:
>
>> On 11/09/2012 4:43 PM, Måns Rullgård wrote:
>>> Accessing the va_list after passing it to another function is undefined.
>>> You need to either reinitialise it (not possible since it was received
>>> as an argument) or make a copy before acce
Derek Buitenhuis writes:
> On 11/09/2012 4:43 PM, Måns Rullgård wrote:
>> Accessing the va_list after passing it to another function is undefined.
>> You need to either reinitialise it (not possible since it was received
>> as an argument) or make a copy before accessing it (also not possible
>>
On 11/09/2012 6:07 PM, Ronald S. Bultje wrote:
> Add a configure check for va_copy and if it isn't there, add it in
> libavutil as a #define va_copy(a, b) { a = b; }? You could even move
> that to compat/va_copy.h and force-include that if you want to be
> super-clean.
It's not safe to do that. It
"Ronald S. Bultje" writes:
> Hi,
>
> On Tue, Sep 11, 2012 at 2:53 PM, Derek Buitenhuis
> wrote:
>> On 11/09/2012 4:43 PM, Måns Rullgård wrote:
>>> Accessing the va_list after passing it to another function is undefined.
>>> You need to either reinitialise it (not possible since it was received
>
Hi,
On Tue, Sep 11, 2012 at 2:53 PM, Derek Buitenhuis
wrote:
> On 11/09/2012 4:43 PM, Måns Rullgård wrote:
>> Accessing the va_list after passing it to another function is undefined.
>> You need to either reinitialise it (not possible since it was received
>> as an argument) or make a copy before
On 11/09/2012 4:43 PM, Måns Rullgård wrote:
> Accessing the va_list after passing it to another function is undefined.
> You need to either reinitialise it (not possible since it was received
> as an argument) or make a copy before accessing it (also not possible
> since msvc doesn't have va_copy).
"Ronald S. Bultje" writes:
> @@ -57,7 +57,7 @@ int avpriv_vsnprintf(char *s, size_t n, const char *fmt,
> memset(s, 0, n);
> ret = _vsnprintf(s, n - 1, fmt, ap);
> if (ret == -1)
> -ret = n;
> +ret = _vscprintf(fmt, ap);
Accessing the va_list after passing it to an
Le sextidi 26 fructidor, an CCXX, Ronald S. Bultje a écrit :
> @@ -57,7 +57,7 @@ int avpriv_vsnprintf(char *s, size_t n, const char *fmt,
> memset(s, 0, n);
> ret = _vsnprintf(s, n - 1, fmt, ap);
> if (ret == -1)
> -ret = n;
> +ret = _vscprintf(fmt, ap);
Don't you ne
From: "Ronald S. Bultje"
This conforms to C99, but requires Windows >= XP.
---
compat/msvcrt/snprintf.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/compat/msvcrt/snprintf.c b/compat/msvcrt/snprintf.c
index 2cdec74..b9c1619 100644
--- a/compat/msvcrt/snprintf.c
+++ b/c