93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
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/*
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zip_name_locate.c -- get index by name
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Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner
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This file is part of libzip, a library to manipulate ZIP archives.
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The authors can be contacted at <libzip@nih.at>
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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
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the documentation and/or other materials provided with the
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distribution.
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3. The names of the authors may not be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <string.h>
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#include "zipint.h"
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ZIP_EXTERN zip_int64_t
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zip_name_locate(zip_t *za, const char *fname, zip_flags_t flags) {
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return _zip_name_locate(za, fname, flags, &za->error);
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}
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zip_int64_t
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_zip_name_locate(zip_t *za, const char *fname, zip_flags_t flags, zip_error_t *error) {
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int (*cmp)(const char *, const char *);
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const char *fn, *p;
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zip_uint64_t i;
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if (za == NULL)
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return -1;
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if (fname == NULL) {
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zip_error_set(error, ZIP_ER_INVAL, 0);
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return -1;
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}
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if (flags & (ZIP_FL_NOCASE | ZIP_FL_NODIR | ZIP_FL_ENC_CP437)) {
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/* can't use hash table */
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cmp = (flags & ZIP_FL_NOCASE) ? strcasecmp : strcmp;
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for (i = 0; i < za->nentry; i++) {
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fn = _zip_get_name(za, i, flags, error);
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/* newly added (partially filled) entry or error */
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if (fn == NULL)
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continue;
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if (flags & ZIP_FL_NODIR) {
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p = strrchr(fn, '/');
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if (p)
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fn = p + 1;
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}
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if (cmp(fname, fn) == 0) {
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_zip_error_clear(error);
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return (zip_int64_t)i;
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}
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}
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zip_error_set(error, ZIP_ER_NOENT, 0);
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return -1;
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}
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else {
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return _zip_hash_lookup(za->names, (const zip_uint8_t *)fname, flags, error);
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}
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}
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