diff options
Diffstat (limited to 'src/port/getaddrinfo.c')
| -rw-r--r-- | src/port/getaddrinfo.c | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/src/port/getaddrinfo.c b/src/port/getaddrinfo.c index aa3d3ab6b87..972f6b6b39e 100644 --- a/src/port/getaddrinfo.c +++ b/src/port/getaddrinfo.c @@ -1,12 +1,28 @@ -/* $Header: /cvsroot/pgsql/src/port/getaddrinfo.c,v 1.1 2003/03/29 11:31:52 petere Exp $ */ - +/*------------------------------------------------------------------------- + * + * getaddrinfo.c + * Support getaddrinfo() on platforms that don't have it. + * + * + * Copyright (c) 2003, PostgreSQL Global Development Group + * + * + * IDENTIFICATION + * $Header: /cvsroot/pgsql/src/port/getaddrinfo.c,v 1.2 2003/04/02 00:49:28 tgl Exp $ + * + *------------------------------------------------------------------------- + */ + +/* This is intended to be used in both frontend and backend, so use c.h */ #include "c.h" -#include "getaddrinfo.h" -#include <netdb.h> + #include <sys/socket.h> +#include <netdb.h> #include <netinet/in.h> #include <arpa/inet.h> +#include "getaddrinfo.h" + int getaddrinfo(const char *node, const char *service, @@ -16,7 +32,8 @@ getaddrinfo(const char *node, const char *service, struct addrinfo *ai; struct sockaddr_in sin, *psin; - if (!hints || (hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC)) + if (!hints || + (hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC)) return EAI_FAMILY; if (hints->ai_socktype != SOCK_STREAM) @@ -25,6 +42,10 @@ getaddrinfo(const char *node, const char *service, if (!node && !service) return EAI_NONAME; + memset(&sin, 0, sizeof(sin)); + + sin.sin_family = AF_INET; + if (node) { if (node[0] == '\0') @@ -66,7 +87,7 @@ getaddrinfo(const char *node, const char *service, } if (service) - sin.sin_port = htons((unsigned short)atoi(service)); + sin.sin_port = htons((unsigned short) atoi(service)); ai = malloc(sizeof(*ai)); if (!ai) @@ -78,11 +99,11 @@ getaddrinfo(const char *node, const char *service, return EAI_MEMORY; } - memcpy(psin, &sin, sizeof(sin)); + memcpy(psin, &sin, sizeof(*psin)); - ai->ai_family = hints->ai_family; - ai->ai_socktype = hints->ai_socktype; - ai->ai_protocol = hints->ai_protocol; + ai->ai_family = AF_INET; + ai->ai_socktype = SOCK_STREAM; + ai->ai_protocol = IPPROTO_TCP; ai->ai_addrlen = sizeof(*psin); ai->ai_addr = (struct sockaddr *) psin; ai->ai_canonname = NULL; @@ -106,9 +127,10 @@ freeaddrinfo(struct addrinfo *res) } -const char* +const char * gai_strerror(int errcode) { +#ifdef HAVE_HSTRERROR int hcode; switch (errcode) @@ -129,4 +151,21 @@ gai_strerror(int errcode) } return hstrerror(hcode); + +#else /* !HAVE_HSTRERROR */ + + switch (errcode) + { + case EAI_NONAME: + return "Unknown host"; + case EAI_NODATA: + return "No address associated with name"; + case EAI_AGAIN: + return "Host name lookup failure"; + case EAI_FAIL: + default: + return "Unknown server error"; + } + +#endif /* HAVE_HSTRERROR */ } |