1 /*
2 * Copyright (c) 2006-2007 Los Alamos National Security, LLC. All rights
3 * reserved.
4 * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
5 * $COPYRIGHT$
6 *
7 * Additional copyrights may follow
8 *
9 * $HEADER$
10 */
11
12 #include "opal_config.h"
13
14 #include <stdlib.h>
15 #include <string.h>
16
17 #include "opal/constants.h"
18 #include "opal/mca/installdirs/installdirs.h"
19
20 static int installdirs_env_open(void);
21
22
23 opal_installdirs_base_component_t mca_installdirs_env_component = {
24 /* First, the mca_component_t struct containing meta information
25 about the component itself */
26 {
27 OPAL_INSTALLDIRS_BASE_VERSION_2_0_0,
28
29 /* Component name and version */
30 "env",
31 OPAL_MAJOR_VERSION,
32 OPAL_MINOR_VERSION,
33 OPAL_RELEASE_VERSION,
34
35 /* Component open and close functions */
36 installdirs_env_open,
37 NULL
38 },
39 {
40 /* This component is checkpointable */
41 MCA_BASE_METADATA_PARAM_CHECKPOINT
42 },
43
44 /* Next the opal_install_dirs_t install_dirs_data information */
45 {
46 NULL,
47 },
48 };
49
50
51 #define SET_FIELD(field, envname) \
52 do { \
53 char *tmp = getenv(envname); \
54 if (NULL != tmp && 0 == strlen(tmp)) { \
55 tmp = NULL; \
56 } \
57 mca_installdirs_env_component.install_dirs_data.field = tmp; \
58 } while (0)
59
60
61 static int
installdirs_env_open(void)62 installdirs_env_open(void)
63 {
64 SET_FIELD(prefix, "OPAL_PREFIX");
65 SET_FIELD(exec_prefix, "OPAL_EXEC_PREFIX");
66 SET_FIELD(bindir, "OPAL_BINDIR");
67 SET_FIELD(sbindir, "OPAL_SBINDIR");
68 SET_FIELD(libexecdir, "OPAL_LIBEXECDIR");
69 SET_FIELD(datarootdir, "OPAL_DATAROOTDIR");
70 SET_FIELD(datadir, "OPAL_DATADIR");
71 SET_FIELD(sysconfdir, "OPAL_SYSCONFDIR");
72 SET_FIELD(sharedstatedir, "OPAL_SHAREDSTATEDIR");
73 SET_FIELD(localstatedir, "OPAL_LOCALSTATEDIR");
74 SET_FIELD(libdir, "OPAL_LIBDIR");
75 SET_FIELD(includedir, "OPAL_INCLUDEDIR");
76 SET_FIELD(infodir, "OPAL_INFODIR");
77 SET_FIELD(mandir, "OPAL_MANDIR");
78 SET_FIELD(opaldatadir, "OPAL_PKGDATADIR");
79 SET_FIELD(opallibdir, "OPAL_PKGLIBDIR");
80 SET_FIELD(opalincludedir, "OPAL_PKGINCLUDEDIR");
81
82 return OPAL_SUCCESS;
83 }
84