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Implement gai_strerror() for systems lacking such functionality. Patch

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by KO Myung-Hun <komh challion net>.

Originally committed as revision 21692 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2010-02-08 18:48:12 +00:00
parent 1be49ce54b
commit 04a2b04b98
2 changed files with 13 additions and 0 deletions
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2
libavformat/network.h
View File

@ -147,9 +147,11 @@ void ff_freeaddrinfo(struct addrinfo *res);
int ff_getnameinfo(const struct sockaddr *sa, int salen, int ff_getnameinfo(const struct sockaddr *sa, int salen,
char *host, int hostlen, char *host, int hostlen,
char *serv, int servlen, int flags); char *serv, int servlen, int flags);
const char *ff_gai_strerror(int ecode);
#define getaddrinfo ff_getaddrinfo #define getaddrinfo ff_getaddrinfo
#define freeaddrinfo ff_freeaddrinfo #define freeaddrinfo ff_freeaddrinfo
#define getnameinfo ff_getnameinfo #define getnameinfo ff_getnameinfo
#define gai_strerror ff_gai_strerror
#endif #endif
#endif /* AVFORMAT_NETWORK_H */ #endif /* AVFORMAT_NETWORK_H */

11
libavformat/os_support.c
View File

@ -203,6 +203,17 @@ int ff_getnameinfo(const struct sockaddr *sa, int salen,
return 0; return 0;
} }
const char *ff_gai_strerror(int ecode)
{
switch(ecode) {
case EAI_FAIL : return "A non-recoverable error occurred";
case EAI_FAMILY : return "The address family was not recognized or the address length was invalid for the specified family";
case EAI_NONAME : return "The name does not resolve for the supplied parameters";
}
return "Unknown error";
}
#endif #endif
/* resolve host with also IP address parsing */ /* resolve host with also IP address parsing */