diff options
Diffstat (limited to 'ext/zip/lib/zip_string.c')
| -rw-r--r-- | ext/zip/lib/zip_string.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/ext/zip/lib/zip_string.c b/ext/zip/lib/zip_string.c deleted file mode 100644 index a1608cf340..0000000000 --- a/ext/zip/lib/zip_string.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - zip_string.c -- string handling (with encoding) - Copyright (C) 2012-2014 Dieter Baron and Thomas Klausner - - This file is part of libzip, a library to manipulate ZIP archives. - The authors can be contacted at <libzip@nih.at> - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - 3. The names of the authors may not be used to endorse or promote - products derived from this software without specific prior - written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS - OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY - DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER - IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - -#include <stdlib.h> -#include <string.h> - -#include "zipint.h" - - -zip_uint32_t -_zip_string_crc32(const zip_string_t *s) -{ - zip_uint32_t crc; - - crc = (zip_uint32_t)crc32(0L, Z_NULL, 0); - - if (s != NULL) - crc = (zip_uint32_t)crc32(crc, s->raw, s->length); - - return crc; -} - - -int -_zip_string_equal(const zip_string_t *a, const zip_string_t *b) -{ - if (a == NULL || b == NULL) - return a == b; - - if (a->length != b->length) - return 0; - - /* TODO: encoding */ - - return (memcmp(a->raw, b->raw, a->length) == 0); -} - - -void -_zip_string_free(zip_string_t *s) -{ - if (s == NULL) - return; - - free(s->raw); - free(s->converted); - free(s); -} - - -const zip_uint8_t * -_zip_string_get(zip_string_t *string, zip_uint32_t *lenp, zip_flags_t flags, zip_error_t *error) -{ - static const zip_uint8_t empty[1] = ""; - - if (string == NULL) { - if (lenp) - *lenp = 0; - return empty; - } - - if ((flags & ZIP_FL_ENC_RAW) == 0) { - /* start guessing */ - if (string->encoding == ZIP_ENCODING_UNKNOWN) - _zip_guess_encoding(string, ZIP_ENCODING_UNKNOWN); - - if (((flags & ZIP_FL_ENC_STRICT) - && string->encoding != ZIP_ENCODING_ASCII && string->encoding != ZIP_ENCODING_UTF8_KNOWN) - || (string->encoding == ZIP_ENCODING_CP437)) { - if (string->converted == NULL) { - if ((string->converted=_zip_cp437_to_utf8(string->raw, string->length, - &string->converted_length, error)) == NULL) - return NULL; - } - if (lenp) - *lenp = string->converted_length; - return string->converted; - } - } - - if (lenp) - *lenp = string->length; - return string->raw; -} - - -zip_uint16_t -_zip_string_length(const zip_string_t *s) -{ - if (s == NULL) - return 0; - - return s->length; -} - - -zip_string_t * -_zip_string_new(const zip_uint8_t *raw, zip_uint16_t length, zip_flags_t flags, zip_error_t *error) -{ - zip_string_t *s; - zip_encoding_type_t expected_encoding; - - if (length == 0) - return NULL; - - switch (flags & ZIP_FL_ENCODING_ALL) { - case ZIP_FL_ENC_GUESS: - expected_encoding = ZIP_ENCODING_UNKNOWN; - break; - case ZIP_FL_ENC_UTF_8: - expected_encoding = ZIP_ENCODING_UTF8_KNOWN; - break; - case ZIP_FL_ENC_CP437: - expected_encoding = ZIP_ENCODING_CP437; - break; - default: - zip_error_set(error, ZIP_ER_INVAL, 0); - return NULL; - } - - if ((s=(zip_string_t *)malloc(sizeof(*s))) == NULL) { - zip_error_set(error, ZIP_ER_MEMORY, 0); - return NULL; - } - - if ((s->raw=(zip_uint8_t *)malloc((size_t)(length+1))) == NULL) { - free(s); - return NULL; - } - - memcpy(s->raw, raw, length); - s->raw[length] = '\0'; - s->length = length; - s->encoding = ZIP_ENCODING_UNKNOWN; - s->converted = NULL; - s->converted_length = 0; - - if (expected_encoding != ZIP_ENCODING_UNKNOWN) { - if (_zip_guess_encoding(s, expected_encoding) == ZIP_ENCODING_ERROR) { - _zip_string_free(s); - zip_error_set(error, ZIP_ER_INVAL, 0); - return NULL; - } - } - - return s; -} - - -int -_zip_string_write(zip_t *za, const zip_string_t *s) -{ - if (s == NULL) - return 0; - - return _zip_write(za, s->raw, s->length); -} |