author | Shabe Razvi <shaber@symbian.org> |
Tue, 29 Jun 2010 11:29:33 +0100 | |
branch | RCL_3 |
changeset 40 | ddd39d92c350 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
0
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/* $LP: LPlib/source/LPdir_vms.c,v 1.20 2004/08/26 13:36:05 _cvs_levitte Exp $ */ |
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/* |
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* Copyright (c) 2004, Richard Levitte <richard@levitte.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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#include <stddef.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <descrip.h> |
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#include <namdef.h> |
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#include <rmsdef.h> |
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#include <libfildef.h> |
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#include <lib$routines.h> |
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#include <strdef.h> |
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#include <str$routines.h> |
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#include <stsdef.h> |
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#ifndef LPDIR_H |
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#include "LPdir.h" |
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#endif |
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|
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/* Because some compiler options hide this macor */ |
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#ifndef EVMSERR |
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#define EVMSERR 65535 /* error for non-translatable VMS errors */ |
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#endif |
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|
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struct LP_dir_context_st |
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{ |
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unsigned long VMS_context; |
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#ifdef NAML$C_MAXRSS |
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char filespec[NAML$C_MAXRSS+1]; |
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char result[NAML$C_MAXRSS+1]; |
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#else |
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char filespec[256]; |
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char result[256]; |
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#endif |
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struct dsc$descriptor_d filespec_dsc; |
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struct dsc$descriptor_d result_dsc; |
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}; |
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|
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const char *LP_find_file(LP_DIR_CTX **ctx, const char *directory) |
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{ |
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int status; |
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char *p, *r; |
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size_t l; |
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unsigned long flags = 0; |
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#ifdef NAML$C_MAXRSS |
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flags |= LIB$M_FIL_LONG_NAMES; |
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#endif |
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|
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if (ctx == NULL || directory == NULL) |
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{ |
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errno = EINVAL; |
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return 0; |
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} |
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|
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errno = 0; |
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if (*ctx == NULL) |
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{ |
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size_t filespeclen = strlen(directory); |
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char *filespec = NULL; |
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|
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/* MUST be a VMS directory specification! Let's estimate if it is. */ |
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if (directory[filespeclen-1] != ']' |
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&& directory[filespeclen-1] != '>' |
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&& directory[filespeclen-1] != ':') |
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{ |
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errno = EINVAL; |
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return 0; |
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} |
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|
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filespeclen += 4; /* "*.*;" */ |
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|
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if (filespeclen > |
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#ifdef NAML$C_MAXRSS |
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NAML$C_MAXRSS |
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#else |
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255 |
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#endif |
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) |
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{ |
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errno = ENAMETOOLONG; |
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|
105 |
return 0; |
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|
106 |
} |
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|
107 |
|
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|
108 |
*ctx = (LP_DIR_CTX *)malloc(sizeof(LP_DIR_CTX)); |
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|
109 |
if (*ctx == NULL) |
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|
110 |
{ |
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|
111 |
errno = ENOMEM; |
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|
112 |
return 0; |
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|
113 |
} |
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|
114 |
memset(*ctx, '\0', sizeof(LP_DIR_CTX)); |
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|
115 |
|
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|
116 |
strcpy((*ctx)->filespec,directory); |
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|
117 |
strcat((*ctx)->filespec,"*.*;"); |
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|
118 |
(*ctx)->filespec_dsc.dsc$w_length = filespeclen; |
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|
119 |
(*ctx)->filespec_dsc.dsc$b_dtype = DSC$K_DTYPE_T; |
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|
120 |
(*ctx)->filespec_dsc.dsc$b_class = DSC$K_CLASS_S; |
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|
121 |
(*ctx)->filespec_dsc.dsc$a_pointer = (*ctx)->filespec; |
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|
122 |
(*ctx)->result_dsc.dsc$w_length = 0; |
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|
123 |
(*ctx)->result_dsc.dsc$b_dtype = DSC$K_DTYPE_T; |
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|
124 |
(*ctx)->result_dsc.dsc$b_class = DSC$K_CLASS_D; |
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|
125 |
(*ctx)->result_dsc.dsc$a_pointer = 0; |
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|
126 |
} |
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|
127 |
|
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|
128 |
(*ctx)->result_dsc.dsc$w_length = 0; |
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|
129 |
(*ctx)->result_dsc.dsc$b_dtype = DSC$K_DTYPE_T; |
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|
130 |
(*ctx)->result_dsc.dsc$b_class = DSC$K_CLASS_D; |
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|
131 |
(*ctx)->result_dsc.dsc$a_pointer = 0; |
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|
132 |
|
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|
133 |
status = lib$find_file(&(*ctx)->filespec_dsc, &(*ctx)->result_dsc, |
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|
134 |
&(*ctx)->VMS_context, 0, 0, 0, &flags); |
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|
135 |
|
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|
136 |
if (status == RMS$_NMF) |
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|
137 |
{ |
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|
138 |
errno = 0; |
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|
139 |
vaxc$errno = status; |
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|
140 |
return NULL; |
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|
141 |
} |
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|
142 |
|
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|
143 |
if(!$VMS_STATUS_SUCCESS(status)) |
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|
144 |
{ |
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|
145 |
errno = EVMSERR; |
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Revision: 201002
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|
146 |
vaxc$errno = status; |
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Revision: 201002
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|
147 |
return NULL; |
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|
148 |
} |
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|
149 |
|
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|
150 |
/* Quick, cheap and dirty way to discard any device and directory, |
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|
151 |
since we only want file names */ |
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|
152 |
l = (*ctx)->result_dsc.dsc$w_length; |
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|
153 |
p = (*ctx)->result_dsc.dsc$a_pointer; |
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Revision: 201002
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|
154 |
r = p; |
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Revision: 201002
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parents:
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|
155 |
for (; *p; p++) |
e4d67989cc36
Revision: 201002
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|
156 |
{ |
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Revision: 201002
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|
157 |
if (*p == '^' && p[1] != '\0') /* Take care of ODS-5 escapes */ |
e4d67989cc36
Revision: 201002
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diff
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|
158 |
{ |
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Revision: 201002
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|
159 |
p++; |
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Revision: 201002
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|
160 |
} |
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parents:
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|
161 |
else if (*p == ':' || *p == '>' || *p == ']') |
e4d67989cc36
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parents:
diff
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|
162 |
{ |
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Revision: 201002
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|
163 |
l -= p + 1 - r; |
e4d67989cc36
Revision: 201002
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parents:
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|
164 |
r = p + 1; |
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Revision: 201002
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|
165 |
} |
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parents:
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|
166 |
else if (*p == ';') |
e4d67989cc36
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parents:
diff
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|
167 |
{ |
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Revision: 201002
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|
168 |
l = p - r; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
169 |
break; |
e4d67989cc36
Revision: 201002
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|
170 |
} |
e4d67989cc36
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parents:
diff
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|
171 |
} |
e4d67989cc36
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parents:
diff
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|
172 |
|
e4d67989cc36
Revision: 201002
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parents:
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|
173 |
strncpy((*ctx)->result, r, l); |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
174 |
(*ctx)->result[l] = '\0'; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
175 |
str$free1_dx(&(*ctx)->result_dsc); |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
176 |
|
e4d67989cc36
Revision: 201002
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parents:
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|
177 |
return (*ctx)->result; |
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Revision: 201002
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parents:
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|
178 |
} |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
179 |
|
e4d67989cc36
Revision: 201002
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|
180 |
int LP_find_file_end(LP_DIR_CTX **ctx) |
e4d67989cc36
Revision: 201002
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|
181 |
{ |
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Revision: 201002
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parents:
diff
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|
182 |
if (ctx != NULL && *ctx != NULL) |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
183 |
{ |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
184 |
int status = lib$find_file_end(&(*ctx)->VMS_context); |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
185 |
|
e4d67989cc36
Revision: 201002
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parents:
diff
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|
186 |
free(*ctx); |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
187 |
|
e4d67989cc36
Revision: 201002
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parents:
diff
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|
188 |
if(!$VMS_STATUS_SUCCESS(status)) |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
189 |
{ |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
190 |
errno = EVMSERR; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
191 |
vaxc$errno = status; |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
192 |
return 0; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
193 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
194 |
return 1; |
e4d67989cc36
Revision: 201002
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parents:
diff
changeset
|
195 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
196 |
errno = EINVAL; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
197 |
return 0; |
e4d67989cc36
Revision: 201002
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parents:
diff
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|
198 |
} |
e4d67989cc36
Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
199 |