2 * Copyright (c) 2004, Richard Levitte <richard@levitte.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include <libfildef.h>
35 #include <lib$routines.h>
37 #include <str$routines.h>
43 /* Because some compiler options hide this macor */
45 # define EVMSERR 65535 /* error for non-translatable VMS errors */
48 struct LP_dir_context_st {
49 unsigned long VMS_context;
51 char filespec[NAML$C_MAXRSS + 1];
52 char result[NAML$C_MAXRSS + 1];
57 struct dsc$descriptor_d filespec_dsc;
58 struct dsc$descriptor_d result_dsc;
61 const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory)
66 unsigned long flags = 0;
68 flags |= LIB$M_FIL_LONG_NAMES;
71 if (ctx == NULL || directory == NULL) {
78 size_t filespeclen = strlen(directory);
79 char *filespec = NULL;
81 if (filespeclen == 0) {
86 /* MUST be a VMS directory specification! Let's estimate if it is. */
87 if (directory[filespeclen - 1] != ']'
88 && directory[filespeclen - 1] != '>'
89 && directory[filespeclen - 1] != ':') {
94 filespeclen += 4; /* "*.*;" */
103 errno = ENAMETOOLONG;
107 *ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX));
112 memset(*ctx, '\0', sizeof(LP_DIR_CTX));
114 strcpy((*ctx)->filespec, directory);
115 strcat((*ctx)->filespec, "*.*;");
116 (*ctx)->filespec_dsc.dsc$w_length = filespeclen;
117 (*ctx)->filespec_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
118 (*ctx)->filespec_dsc.dsc$b_class = DSC$K_CLASS_S;
119 (*ctx)->filespec_dsc.dsc$a_pointer = (*ctx)->filespec;
120 (*ctx)->result_dsc.dsc$w_length = 0;
121 (*ctx)->result_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
122 (*ctx)->result_dsc.dsc$b_class = DSC$K_CLASS_D;
123 (*ctx)->result_dsc.dsc$a_pointer = 0;
126 (*ctx)->result_dsc.dsc$w_length = 0;
127 (*ctx)->result_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
128 (*ctx)->result_dsc.dsc$b_class = DSC$K_CLASS_D;
129 (*ctx)->result_dsc.dsc$a_pointer = 0;
131 status = lib$find_file(&(*ctx)->filespec_dsc, &(*ctx)->result_dsc,
132 &(*ctx)->VMS_context, 0, 0, 0, &flags);
134 if (status == RMS$_NMF) {
140 if (!$VMS_STATUS_SUCCESS(status)) {
147 * Quick, cheap and dirty way to discard any device and directory, since
148 * we only want file names
150 l = (*ctx)->result_dsc.dsc$w_length;
151 p = (*ctx)->result_dsc.dsc$a_pointer;
154 if (*p == '^' && p[1] != '\0') { /* Take care of ODS-5 escapes */
156 } else if (*p == ':' || *p == '>' || *p == ']') {
159 } else if (*p == ';') {
165 strncpy((*ctx)->result, r, l);
166 (*ctx)->result[l] = '\0';
167 str$free1_dx(&(*ctx)->result_dsc);
169 return (*ctx)->result;
172 int LP_find_file_end(LP_DIR_CTX **ctx)
174 if (ctx != NULL && *ctx != NULL) {
175 int status = lib$find_file_end(&(*ctx)->VMS_context);
179 if (!$VMS_STATUS_SUCCESS(status)) {