Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / obp / tools / libxref / filepath.c
CommitLineData
920dae64
AT
1/*
2* ========== Copyright Header Begin ==========================================
3*
4* Hypervisor Software File: filepath.c
5*
6* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
7*
8* - Do no alter or remove copyright notices
9*
10* - Redistribution and use of this software in source and binary forms, with
11* or without modification, are permitted provided that the following
12* conditions are met:
13*
14* - Redistribution of source code must retain the above copyright notice,
15* this list of conditions and the following disclaimer.
16*
17* - Redistribution in binary form must reproduce the above copyright notice,
18* this list of conditions and the following disclaimer in the
19* documentation and/or other materials provided with the distribution.
20*
21* Neither the name of Sun Microsystems, Inc. or the names of contributors
22* may be used to endorse or promote products derived from this software
23* without specific prior written permission.
24*
25* This software is provided "AS IS," without a warranty of any kind.
26* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
27* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
28* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
29* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
30* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
31* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
32* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
33* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
34* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
35* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
36* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
37*
38* You acknowledge that this software is not designed, licensed or
39* intended for use in the design, construction, operation or maintenance of
40* any nuclear facility.
41*
42* ========== Copyright Header End ============================================
43*/
44/*
45 * @(#)filepath.c 1.1 02/05/02
46 * Copyright 2001-2002 Sun Microsystems, Inc. All Rights Reserved
47 * Copyright Use is subject to license terms.
48 */
49#include <stdio.h>
50#include <stdlib.h>
51#include <unistd.h>
52#include <string.h>
53
54#include "xref.h"
55
56static char *root = NULL;
57static int no_relocate = 0;
58
59char *
60xref_extract_pathname(char *srcpath)
61{
62 char *file;
63 char *pwd;
64 char *dirname;
65 char *iptr, *cptr;
66 char *path;
67 char *cwd;
68 static char cwd_buf[255];
69
70 if (no_relocate) {
71 return (strdup(srcpath));
72 }
73 getcwd(cwd_buf, sizeof (cwd_buf));
74 cwd = strdup(cwd_buf);
75
76 if (root == NULL) {
77 root = getenv("BP");
78 if (root == NULL) {
79 no_relocate = 1;
80 return (strdup(srcpath));
81 }
82 chdir(root);
83 getcwd(cwd_buf, sizeof (cwd_buf));
84 chdir(cwd);
85 root = strdup(cwd_buf);
86 }
87
88 path = strdup(srcpath);
89 if (strncmp(path, "${BP}", 5) == 0) {
90 char *npath;
91 npath = malloc(strlen(root) + strlen(srcpath));
92 strcpy(npath, root);
93 strcat(npath, srcpath + 5);
94 free(path);
95 path = npath;
96 }
97
98 cptr = strrchr(path, '/');
99 if (cptr == NULL) {
100 dirname = strdup(".");
101 file = strdup(path);
102 } else {
103 *cptr = 0;
104 dirname = strdup(path);
105 file = strdup(cptr+1);
106 }
107 free(path);
108
109 chdir(dirname);
110 getcwd(cwd_buf, sizeof (cwd_buf));
111 chdir(cwd);
112 free(cwd);
113
114 pwd = strdup(cwd_buf);
115 free(dirname);
116
117 iptr = root;
118 cptr = pwd;
119 while (*iptr++ == *cptr++);
120 strcpy(cwd_buf, "${BP}/");
121 strcat(cwd_buf, cptr);
122 strcat(cwd_buf, "/");
123 strcat(cwd_buf, file);
124 free(file);
125 free(pwd);
126 return (cwd_buf);
127}