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/*
* Copyright (c) 2009-2015, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR ''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 AUTHOR 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.
*/
#ifndef FSTRING_H
#define FSTRING_H
#include "config.h"
#include "mem_pool.h"
/**
* Fixed strings library
* These strings are NOT null-terminated for speed
*/
typedef struct f_str_s {
gsize len;
gsize allocated;
gchar str[];
} rspamd_fstring_t;
typedef struct f_str_tok {
gsize len;
const gchar *begin;
} rspamd_ftok_t;
/**
* Create new fixed length string
*/
rspamd_fstring_t* rspamd_fstring_new (void)
G_GNUC_WARN_UNUSED_RESULT;
/**
* Create new fixed length string with preallocated size
*/
rspamd_fstring_t *rspamd_fstring_sized_new (gsize initial_size)
G_GNUC_WARN_UNUSED_RESULT;
/**
* Create new fixed length string and initialize it with the initial data
*/
rspamd_fstring_t *rspamd_fstring_new_init (const gchar *init, gsize len)
G_GNUC_WARN_UNUSED_RESULT;
/**
* Assign new value to fixed string
*/
rspamd_fstring_t *rspamd_fstring_assign (rspamd_fstring_t *str,
const gchar *init, gsize len) G_GNUC_WARN_UNUSED_RESULT;
/**
* Free fixed length string
*/
void rspamd_fstring_free (rspamd_fstring_t *str);
/**
* Append data to a fixed length string
*/
rspamd_fstring_t* rspamd_fstring_append (rspamd_fstring_t *str,
const char *in, gsize len) G_GNUC_WARN_UNUSED_RESULT;
/**
* Erase `len` characters at postion `pos`
*/
void rspamd_fstring_erase (rspamd_fstring_t *str, gsize pos, gsize len);
/**
* Convert fixed string to a zero terminated string. This string should be
* freed by a caller
*/
char * rspamd_fstring_cstr (const rspamd_fstring_t *str)
G_GNUC_WARN_UNUSED_RESULT;
/*
* Return fast hash value for fixed string converted to lowercase
*/
guint32 rspamd_fstrhash_lc (const rspamd_ftok_t *str, gboolean is_utf);
/**
* Return true if two strings are equal
*/
gboolean rspamd_fstring_equal (const rspamd_fstring_t *s1,
const rspamd_fstring_t *s2);
/**
* Compare two fixed strings ignoring case
*/
gint rspamd_fstring_casecmp (const rspamd_fstring_t *s1,
const rspamd_fstring_t *s2);
/**
* Compare two fixed strings
*/
gint rspamd_fstring_cmp (const rspamd_fstring_t *s1,
const rspamd_fstring_t *s2);
/**
* Compare two fixed tokens ignoring case
*/
gint rspamd_ftok_casecmp (const rspamd_ftok_t *s1,
const rspamd_ftok_t *s2);
/**
* Compare two fixed tokens
*/
gint rspamd_ftok_cmp (const rspamd_ftok_t *s1,
const rspamd_ftok_t *s2);
/**
* Free fstring_t that is mapped to ftok_t
*
* | len | allocated | <data> -- fstring_t
* <begin> -- tok
*
* tok is expected to be allocated with g_slice_alloc
*/
void rspamd_fstring_mapped_ftok_free (gpointer p);
#endif
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