Le 16 mai 2024 12:33:36 GMT+03:00, Andrew Sayers <ffmpeg-de...@pileofstuff.org>
a écrit :
>For example, WSAStartup()'s documentation says:
>
> "A call to the WSAGetLastError function is not needed and should not be
> used"
>---
> libavformat/network.c | 5 ++++-
> libavformat/network.h | 12 ++++++++++++
> 2 files changed, 16 insertions(+), 1 deletion(-)
>
>diff --git a/libavformat/network.c b/libavformat/network.c
>index 5d0d05c5f1..351dc34bb6 100644
>--- a/libavformat/network.c
>+++ b/libavformat/network.c
>@@ -123,7 +123,10 @@ void ff_network_close(void)
> #if HAVE_WINSOCK2_H
> int ff_neterror(void)
> {
>- int err = WSAGetLastError();
>+ return ff_neterror2(WSAGetLastError());
>+}
>+int ff_neterror2(int err)
Err, please. Keep this to the Windows back-end. Nothing good is going to happen
with a function that does nothing (on other platforms) and has a nondescript
numbered name.
>+{
> switch (err) {
> case WSAEWOULDBLOCK:
> return AVERROR(EAGAIN);
>diff --git a/libavformat/network.h b/libavformat/network.h
>index f338694212..7c8f81a050 100644
>--- a/libavformat/network.h
>+++ b/libavformat/network.h
>@@ -63,6 +63,12 @@
> * @note Error is based on WSAGetLastError() (Windows) or `errno` (otherwise)
> */
> int ff_neterror(void);
>+/*
>+ * @brief ff_neterror()-style AVERROR
>+ * @param err error code (usually an errno or Windows Sockets Error Code)
>+ * @note Windows Sockets Error Codes are only supported in Windows
>+ */
>+int ff_neterror2(int err);
> #else
> #include <sys/types.h>
> #include <sys/socket.h>
>@@ -76,6 +82,12 @@ int ff_neterror(void);
> * @note Error is based on WSAGetLastError() (Windows) or `errno` (otherwise)
> */
> #define ff_neterror() AVERROR(errno)
>+/*
>+ * @brief ff_neterror()-style AVERROR
>+ * @param err error code (usually an errno or Windows Sockets Error Code)
>+ * @note Windows Sockets Error Codes are only supported in Windows
>+ */
>+#define ff_neterror2(ERRNO) AVERROR(ERRNO)
> #endif /* HAVE_WINSOCK2_H */
>
> #if HAVE_ARPA_INET_H
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