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/*
* libpq_uri_regress.c
* A test program for libpq URI format
*
* This is a helper for libpq conninfo regression testing. It takes a single
* conninfo string as a parameter, parses it using PQconninfoParse, and then
* prints out the values from the parsed PQconninfoOption struct that differ
* from the defaults (obtained from PQconndefaults).
*
* Portions Copyright (c) 2012-2022, PostgreSQL Global Development Group
*
* IDENTIFICATION
* src/interfaces/libpq/test/libpq_uri_regress.c
*/
#include "postgres_fe.h"
#include "libpq-fe.h"
int
main(int argc, char *argv[])
{
PQconninfoOption *opts;
PQconninfoOption *defs;
PQconninfoOption *opt;
PQconninfoOption *def;
char *errmsg = NULL;
bool local = true;
if (argc != 2)
return 1;
opts = PQconninfoParse(argv[1], &errmsg);
if (opts == NULL)
{
fprintf(stderr, "libpq_uri_regress: %s", errmsg);
return 1;
}
defs = PQconndefaults();
if (defs == NULL)
{
fprintf(stderr, "libpq_uri_regress: cannot fetch default options\n");
return 1;
}
/*
* Loop on the options, and print the value of each if not the default.
*
* XXX this coding assumes that PQconninfoOption structs always have the
* keywords in the same order.
*/
for (opt = opts, def = defs; opt->keyword; ++opt, ++def)
{
if (opt->val != NULL)
{
if (def->val == NULL || strcmp(opt->val, def->val) != 0)
printf("%s='%s' ", opt->keyword, opt->val);
/*
* Try to detect if this is a Unix-domain socket or inet. This is
* a bit grotty but it's the same thing that libpq itself does.
*
* Note that we directly test for '/' instead of using
* is_absolute_path, as that would be considerably more messy.
* This would fail on Windows, but that platform doesn't have
* Unix-domain sockets anyway.
*/
if (*opt->val &&
(strcmp(opt->keyword, "hostaddr") == 0 ||
(strcmp(opt->keyword, "host") == 0 && *opt->val != '/')))
{
local = false;
}
}
}
if (local)
printf("(local)\n");
else
printf("(inet)\n");
return 0;
}
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