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source: kBuild/trunk/src/kmk/vmsfunctions.c@ 2132

Last change on this file since 2132 was 1993, checked in by bird, 16 years ago

Merged in current GNU Make code (CVS from 2008-10-28). Ref #55.

  • Property svn:eol-style set to native
File size: 6.2 KB
Line 
1/* VMS functions
2Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
32007 Free Software Foundation, Inc.
4This file is part of GNU Make.
5
6GNU Make is free software; you can redistribute it and/or modify it under the
7terms of the GNU General Public License as published by the Free Software
8Foundation; either version 3 of the License, or (at your option) any later
9version.
10
11GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
13A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License along with
16this program. If not, see <http://www.gnu.org/licenses/>. */
17
18#include "make.h"
19#include "debug.h"
20#include "job.h"
21
22#ifdef __DECC
23#include <starlet.h>
24#endif
25#include <descrip.h>
26#include <rms.h>
27#include <iodef.h>
28#include <atrdef.h>
29#include <fibdef.h>
30#include "vmsdir.h"
31
32#ifdef HAVE_VMSDIR_H
33
34DIR *
35opendir (char *dspec)
36{
37 struct DIR *dir = (struct DIR *)xmalloc (sizeof (struct DIR));
38 struct NAM *dnam = (struct NAM *)xmalloc (sizeof (struct NAM));
39 struct FAB *dfab = &dir->fab;
40 char *searchspec = xmalloc (MAXNAMLEN + 1);
41
42 memset (dir, 0, sizeof *dir);
43
44 *dfab = cc$rms_fab;
45 *dnam = cc$rms_nam;
46 sprintf (searchspec, "%s*.*;", dspec);
47
48 dfab->fab$l_fna = searchspec;
49 dfab->fab$b_fns = strlen (searchspec);
50 dfab->fab$l_nam = dnam;
51
52 *dnam = cc$rms_nam;
53 dnam->nam$l_esa = searchspec;
54 dnam->nam$b_ess = MAXNAMLEN;
55
56 if (! (sys$parse (dfab) & 1))
57 {
58 free (dir);
59 free (dnam);
60 free (searchspec);
61 return (NULL);
62 }
63
64 return dir;
65}
66
67#define uppercasify(str) \
68 do \
69 { \
70 char *tmp; \
71 for (tmp = (str); *tmp != '\0'; tmp++) \
72 if (islower ((unsigned char)*tmp)) \
73 *tmp = toupper ((unsigned char)*tmp); \
74 } \
75 while (0)
76
77struct direct *
78readdir (DIR *dir)
79{
80 struct FAB *dfab = &dir->fab;
81 struct NAM *dnam = (struct NAM *)(dfab->fab$l_nam);
82 struct direct *dentry = &dir->dir;
83 int i;
84
85 memset (dentry, 0, sizeof *dentry);
86
87 dnam->nam$l_rsa = dir->d_result;
88 dnam->nam$b_rss = MAXNAMLEN;
89
90 DB (DB_VERBOSE, ("."));
91
92 if (!((i = sys$search (dfab)) & 1))
93 {
94 DB (DB_VERBOSE, (_("sys$search failed with %d\n"), i));
95 return (NULL);
96 }
97
98 dentry->d_off = 0;
99 if (dnam->nam$w_fid == 0)
100 dentry->d_fileno = 1;
101 else
102 dentry->d_fileno = dnam->nam$w_fid[0] + (dnam->nam$w_fid[1] << 16);
103
104 dentry->d_reclen = sizeof (struct direct);
105 dentry->d_namlen = dnam->nam$b_name + dnam->nam$b_type;
106 strncpy (dentry->d_name, dnam->nam$l_name, dentry->d_namlen);
107 dentry->d_name[dentry->d_namlen] = '\0';
108
109#ifdef HAVE_CASE_INSENSITIVE_FS
110 uppercasify (dentry->d_name);
111#endif
112
113 return (dentry);
114}
115
116int
117closedir (DIR *dir)
118{
119 if (dir != NULL)
120 {
121 struct FAB *dfab = &dir->fab;
122 struct NAM *dnam = (struct NAM *)(dfab->fab$l_nam);
123 if (dnam != NULL)
124 free (dnam->nam$l_esa);
125 free (dnam);
126 free (dir);
127 }
128
129 return 0;
130}
131#endif /* compiled for OpenVMS prior to V7.x */
132
133char *
134getwd (char *cwd)
135{
136 static char buf[512];
137
138 if (cwd)
139 return (getcwd (cwd, 512));
140 else
141 return (getcwd (buf, 512));
142}
143
144int
145vms_stat (char *name, struct stat *buf)
146{
147 int status;
148 int i;
149
150 static struct FAB Fab;
151 static struct NAM Nam;
152 static struct fibdef Fib; /* short fib */
153 static struct dsc$descriptor FibDesc =
154 { sizeof (Fib), DSC$K_DTYPE_Z, DSC$K_CLASS_S, (char *) &Fib };
155 static struct dsc$descriptor_s DevDesc =
156 { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, &Nam.nam$t_dvi[1] };
157 static char EName[NAM$C_MAXRSS];
158 static char RName[NAM$C_MAXRSS];
159 static struct dsc$descriptor_s FileName =
160 { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0 };
161 static struct dsc$descriptor_s string =
162 { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0 };
163 static unsigned long Rdate[2];
164 static unsigned long Cdate[2];
165 static struct atrdef Atr[] =
166 {
167#if defined(VAX)
168 /* Revision date */
169 { sizeof (Rdate), ATR$C_REVDATE, (unsigned int) &Rdate[0] },
170 /* Creation date */
171 { sizeof (Cdate), ATR$C_CREDATE, (unsigned int) &Cdate[0] },
172#else
173 /* Revision date */
174 { sizeof (Rdate), ATR$C_REVDATE, &Rdate[0] },
175 /* Creation date */
176 { sizeof (Cdate), ATR$C_CREDATE, &Cdate[0]},
177#endif
178 { 0, 0, 0 }
179 };
180 static short int DevChan;
181 static short int iosb[4];
182
183 name = vmsify (name, 0);
184
185 /* initialize RMS structures, we need a NAM to retrieve the FID */
186 Fab = cc$rms_fab;
187 Fab.fab$l_fna = name; /* name of file */
188 Fab.fab$b_fns = strlen (name);
189 Fab.fab$l_nam = &Nam; /* FAB has an associated NAM */
190
191 Nam = cc$rms_nam;
192 Nam.nam$l_esa = EName; /* expanded filename */
193 Nam.nam$b_ess = sizeof (EName);
194 Nam.nam$l_rsa = RName; /* resultant filename */
195 Nam.nam$b_rss = sizeof (RName);
196
197 /* do $PARSE and $SEARCH here */
198 status = sys$parse (&Fab);
199 if (!(status & 1))
200 return -1;
201
202 DevDesc.dsc$w_length = Nam.nam$t_dvi[0];
203 status = sys$assign (&DevDesc, &DevChan, 0, 0);
204 if (!(status & 1))
205 return -1;
206
207 FileName.dsc$a_pointer = Nam.nam$l_name;
208 FileName.dsc$w_length = Nam.nam$b_name + Nam.nam$b_type + Nam.nam$b_ver;
209
210 /* Initialize the FIB */
211 for (i = 0; i < 3; i++)
212 {
213#ifndef __VAXC
214 Fib.fib$w_fid[i] = Nam.nam$w_fid[i];
215 Fib.fib$w_did[i] = Nam.nam$w_did[i];
216#else
217 Fib.fib$r_fid_overlay.fib$w_fid[i] = Nam.nam$w_fid[i];
218 Fib.fib$r_did_overlay.fib$w_did[i] = Nam.nam$w_did[i];
219#endif
220 }
221
222 status = sys$qiow (0, DevChan, IO$_ACCESS, &iosb, 0, 0,
223 &FibDesc, &FileName, 0, 0, &Atr, 0);
224 sys$dassgn (DevChan);
225 if (!(status & 1))
226 return -1;
227 status = iosb[0];
228 if (!(status & 1))
229 return -1;
230
231 status = stat (name, buf);
232 if (status)
233 return -1;
234
235 buf->st_mtime = ((Rdate[0] >> 24) & 0xff) + ((Rdate[1] << 8) & 0xffffff00);
236 buf->st_ctime = ((Cdate[0] >> 24) & 0xff) + ((Cdate[1] << 8) & 0xffffff00);
237
238 return 0;
239}
240
241char *
242cvt_time (unsigned long tval)
243{
244 static long int date[2];
245 static char str[27];
246 static struct dsc$descriptor date_str =
247 { 26, DSC$K_DTYPE_T, DSC$K_CLASS_S, str };
248
249 date[0] = (tval & 0xff) << 24;
250 date[1] = ((tval >> 8) & 0xffffff);
251
252 if ((date[0] == 0) && (date[1] == 0))
253 return ("never");
254
255 sys$asctim (0, &date_str, date, 0);
256 str[26] = '\0';
257
258 return (str);
259}
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