xref: /dragonfly/usr.bin/getconf/progenv.gperf (revision abf903a5)
1%{
2/*
3 * Copyright is disclaimed as to the contents of this file.
4 *
5 * $FreeBSD: head/usr.bin/getconf/progenv.gperf 142066 2005-02-18 21:53:05Z wollman $
6 */
7
8#include <sys/types.h>
9
10#include <string.h>
11#include <unistd.h>
12
13#include "getconf.h"
14
15/*
16 * Override gperf's built-in external scope.
17 */
18static const struct map *in_word_set(const char *str);
19
20/*
21 * The Standard seems a bit ambiguous over whether the POSIX_V6_*
22 * are specified with or without a leading underscore, so we just
23 * use both.
24 */
25/*
26 * The alt_path member gives the path containing another `getconf'
27 * executable which was compiled using the specified programming
28 * environment.  If it is NULL, the current executable is good enough.
29 * If we ever support multiple environments, this table will need to
30 * be updated.  (We cheat here and define the supported environments
31 * statically.)
32 */
33#if defined(__x86_64__)
34#define	have_LP64_OFF64		NULL
35#else
36#error platform not handled in progenv.gperf
37#endif
38
39%}
40struct map { const char *name; const char *alt_path; int valid; };
41%%
42POSIX_V6_ILP32_OFF32, notdef
43POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG
44POSIX_V6_LP64_OFF64, have_LP64_OFF64
45POSIX_V6_LPBIG_OFFBIG, notdef
46_POSIX_V6_ILP32_OFF32, notdef
47_POSIX_V6_ILP32_OFFBIG, have_ILP32_OFFBIG
48_POSIX_V6_LP64_OFF64, have_LP64_OFF64
49_POSIX_V6_LPBIG_OFFBIG, notdef
50_POSIX_V7_ILP32_OFF32, notdef
51_POSIX_V7_ILP32_OFFBIG, have_ILP32_OFFBIG
52_POSIX_V7_LP64_OFF64, have_LP64_OFF64
53_POSIX_V7_LPBIG_OFFBIG, notdef
54%%
55int
56find_progenv(const char *name, const char **alt_path)
57{
58	const struct map *rv;
59
60	rv = in_word_set(name);
61	if (rv != NULL) {
62		if (rv->valid) {
63			*alt_path = rv->alt_path;
64			return 1;
65		}
66		return -1;
67	}
68	return 0;
69}
70