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author | Andrew Bartlett <abartlet@samba.org> | 2010-11-12 15:27:43 +1100 |
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committer | Andrew Bartlett <abartlet@samba.org> | 2010-11-15 01:25:06 +0000 |
commit | 6a27fbbfc4c51ae1635b8a5fa51c470ebc9f01e2 (patch) | |
tree | 67429e7173cb2e524bcb340e233008b33241dc77 /source4/heimdal/base/string.c | |
parent | 192a555c9ab425fa8e18ee5bed84a8c2fd527200 (diff) | |
download | samba-6a27fbbfc4c51ae1635b8a5fa51c470ebc9f01e2.tar.gz samba-6a27fbbfc4c51ae1635b8a5fa51c470ebc9f01e2.tar.bz2 samba-6a27fbbfc4c51ae1635b8a5fa51c470ebc9f01e2.zip |
heimdal Extra files required for merge up to current heimdal
Diffstat (limited to 'source4/heimdal/base/string.c')
-rw-r--r-- | source4/heimdal/base/string.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/source4/heimdal/base/string.c b/source4/heimdal/base/string.c new file mode 100644 index 0000000000..414a9161fa --- /dev/null +++ b/source4/heimdal/base/string.c @@ -0,0 +1,146 @@ +/* + * Copyright (c) 2010 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Portions Copyright (c) 2010 Apple Inc. All rights reserved. + * + * 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 "baselocl.h" +#include <string.h> + +static void +string_dealloc(void *ptr) +{ +} + +static int +string_cmp(void *a, void *b) +{ + if (heim_base_is_tagged_string(a)) + a = heim_base_tagged_string_ptr(a); + if (heim_base_is_tagged_string(b)) + b = heim_base_tagged_string_ptr(b); + + return strcmp(a, b); +} + +static unsigned long +string_hash(void *ptr) +{ + const char *s; + unsigned long n; + + if (heim_base_is_tagged_string(ptr)) + s = heim_base_tagged_string_ptr(ptr); + else + s = ptr; + + for (n = 0; *s; ++s) + n += *s; + return n; +} + + +struct heim_type_data _heim_string_object = { + HEIM_TID_STRING, + "string-object", + NULL, + string_dealloc, + NULL, + string_cmp, + string_hash +}; + +/** + * Create a string object + * + * @param string the string to create, must be an utf8 string + * + * @return string object + */ + +heim_string_t +heim_string_create(const char *string) +{ + size_t len = strlen(string); + heim_string_t s; + + s = _heim_alloc_object(&_heim_string_object, len + 1); + if (s) + memcpy(s, string, len + 1); + return s; +} + +/** + * Create a string object from a strings allocated in the text segment. + * + * Note that static string object wont be auto released with + * heim_auto_release(), the allocation policy of the string must + * be manged separately from the returned object. This make this + * function not very useful for strings in allocated from heap or + * stack. In that case you should use heim_string_create(). + * + * @param string the string to create, must be an utf8 string + * + * @return string object + */ + +heim_string_t +heim_string_create_with_static(const char *string) +{ + return heim_base_make_tagged_string_ptr(string); +} + +/** + * Return the type ID of string objects + * + * @return type id of string objects + */ + +heim_tid_t +heim_string_get_type_id(void) +{ + return HEIM_TID_STRING; +} + +/** + * Get the string value of the content. + * + * @param string the string object to get the value from + * + * @return a utf8 string + */ + +const char * +heim_string_get_utf8(heim_string_t string) +{ + return (const char *)string; +} |