Age Owner TLA Line data Source code
1 : /*
2 : * libpq_uri_regress.c
3 : * A test program for libpq URI format
4 : *
5 : * This is a helper for libpq conninfo regression testing. It takes a single
6 : * conninfo string as a parameter, parses it using PQconninfoParse, and then
7 : * prints out the values from the parsed PQconninfoOption struct that differ
8 : * from the defaults (obtained from PQconndefaults).
9 : *
10 : * Portions Copyright (c) 2012-2023, PostgreSQL Global Development Group
11 : *
12 : * IDENTIFICATION
13 : * src/interfaces/libpq/test/libpq_uri_regress.c
14 : */
15 :
16 : #include "postgres_fe.h"
17 :
18 : #include "libpq-fe.h"
19 :
20 : int
4015 alvherre 21 CBC 60 : main(int argc, char *argv[])
22 : {
23 : PQconninfoOption *opts;
24 : PQconninfoOption *defs;
25 : PQconninfoOption *opt;
26 : PQconninfoOption *def;
27 60 : char *errmsg = NULL;
28 60 : bool local = true;
29 :
30 60 : if (argc != 2)
4015 alvherre 31 UBC 0 : return 1;
32 :
4015 alvherre 33 CBC 60 : opts = PQconninfoParse(argv[1], &errmsg);
34 60 : if (opts == NULL)
35 : {
340 dgustafsson 36 14 : fprintf(stderr, "libpq_uri_regress: %s", errmsg);
4015 alvherre 37 14 : return 1;
38 : }
39 :
40 46 : defs = PQconndefaults();
41 46 : if (defs == NULL)
42 : {
340 dgustafsson 43 UBC 0 : fprintf(stderr, "libpq_uri_regress: cannot fetch default options\n");
4015 alvherre 44 0 : return 1;
45 : }
46 :
47 : /*
48 : * Loop on the options, and print the value of each if not the default.
49 : *
50 : * XXX this coding assumes that PQconninfoOption structs always have the
51 : * keywords in the same order.
52 : */
4015 alvherre 53 CBC 1840 : for (opt = opts, def = defs; opt->keyword; ++opt, ++def)
54 : {
55 1794 : if (opt->val != NULL)
56 : {
57 91 : if (def->val == NULL || strcmp(opt->val, def->val) != 0)
58 90 : printf("%s='%s' ", opt->keyword, opt->val);
59 :
60 : /*
61 : * Try to detect if this is a Unix-domain socket or inet. This is
62 : * a bit grotty but it's the same thing that libpq itself does.
63 : *
64 : * Note that we directly test for '/' instead of using
65 : * is_absolute_path, as that would be considerably more messy.
66 : * This would fail on Windows, but that platform doesn't have
67 : * Unix-domain sockets anyway.
68 : */
69 91 : if (*opt->val &&
70 91 : (strcmp(opt->keyword, "hostaddr") == 0 ||
71 89 : (strcmp(opt->keyword, "host") == 0 && *opt->val != '/')))
72 : {
73 32 : local = false;
74 : }
75 : }
76 : }
77 :
78 46 : if (local)
79 15 : printf("(local)\n");
80 : else
81 31 : printf("(inet)\n");
82 :
83 46 : return 0;
84 : }
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