From de9a4c27fefcc0d104bc9c97f4a93a49a25bf66d Mon Sep 17 00:00:00 2001 From: Magnus Hagander Date: Wed, 22 Dec 2010 14:23:56 +0100 Subject: Add PQlibVersion() function to libpq This function is like the PQserverVersion() function except it returns the version of libpq, making it possible for a client program or driver to determine which version of libpq is in use at runtime, and not just at link time. Suggested by Harald Armin Massa and several others. --- src/interfaces/libpq/exports.txt | 1 + src/interfaces/libpq/fe-misc.c | 8 ++++++++ src/interfaces/libpq/libpq-fe.h | 3 +++ 3 files changed, 12 insertions(+) (limited to 'src') diff --git a/src/interfaces/libpq/exports.txt b/src/interfaces/libpq/exports.txt index a6c73af52e..1af8df699e 100644 --- a/src/interfaces/libpq/exports.txt +++ b/src/interfaces/libpq/exports.txt @@ -159,3 +159,4 @@ PQconnectdbParams 156 PQconnectStartParams 157 PQping 158 PQpingParams 159 +PQlibVersion 160 diff --git a/src/interfaces/libpq/fe-misc.c b/src/interfaces/libpq/fe-misc.c index 24ab7cf97a..999f60b0d4 100644 --- a/src/interfaces/libpq/fe-misc.c +++ b/src/interfaces/libpq/fe-misc.c @@ -66,6 +66,14 @@ static int pqSocketCheck(PGconn *conn, int forRead, int forWrite, time_t end_time); static int pqSocketPoll(int sock, int forRead, int forWrite, time_t end_time); +/* + * PQlibVersion: return the libpq version number + */ +int +PQlibVersion(void) +{ + return PG_VERSION_NUM; +} /* * fputnbytes: print exactly N bytes to a file diff --git a/src/interfaces/libpq/libpq-fe.h b/src/interfaces/libpq/libpq-fe.h index 271afedb7b..6075ea8151 100644 --- a/src/interfaces/libpq/libpq-fe.h +++ b/src/interfaces/libpq/libpq-fe.h @@ -547,6 +547,9 @@ extern int lo_export(PGconn *conn, Oid lobjId, const char *filename); /* === in fe-misc.c === */ +/* Get the version of the libpq library in use */ +extern int PQlibVersion(void); + /* Determine length of multibyte encoded char at *s */ extern int PQmblen(const char *s, int encoding); -- cgit v1.2.1