1 files changed, 561 insertions, 561 deletions
diff --git a/pjlib/include/pj/string.h b/pjlib/include/pj/string.h
index 8edcba8d..c7310b59 100644
--- a/pjlib/include/pj/string.h
+++ b/pjlib/include/pj/string.h
@@ -1,561 +1,561 @@
-/* $Id$ */
-/* 
- * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
- */
-#ifndef __PJ_STRING_H__
-#define __PJ_STRING_H__
-
-/**
- * @file string.h
- * @brief PJLIB String Operations.
- */
-
-#include <pj/types.h>
-#include <pj/compat/string.h>
-#include <pj/compat/sprintf.h>
-#include <pj/compat/vsprintf.h>
-
-
-PJ_BEGIN_DECL
-
-/**
- * @defgroup PJ_PSTR String Operations
- * @ingroup PJ_DS
- * @{
- * This module provides string manipulation API.
- *
- * \section pj_pstr_not_null_sec PJLIB String is NOT Null Terminated!
- *
- * That is the first information that developers need to know. Instead
- * of using normal C string, strings in PJLIB are represented as
- * pj_str_t structure below:
- *
- * <pre>
- *   typedef struct pj_str_t
- *   {
- *       char      *ptr;
- *       pj_size_t  slen;
- *   } pj_str_t;
- * </pre>
- *
- * There are some advantages of using this approach:
- *  - the string can point to arbitrary location in memory even
- *    if the string in that location is not null terminated. This is
- *    most usefull for text parsing, where the parsed text can just
- *    point to the original text in the input. If we use C string,
- *    then we will have to copy the text portion from the input
- *    to a string variable.
- *  - because the length of the string is known, string copy operation
- *    can be made more efficient.
- *
- * Most of APIs in PJLIB that expect or return string will represent
- * the string as pj_str_t instead of normal C string.
- *
- * \section pj_pstr_examples_sec Examples
- *
- * For some examples, please see:
- *  - @ref page_pjlib_string_test
- */
-
-/**
- * Create string initializer from a normal C string.
- *
- * @param str	Null terminated string to be stored.
- *
- * @return	pj_str_t.
- */
-PJ_IDECL(pj_str_t) pj_str(char *str);
-
-/**
- * Create constant string from normal C string.
- *
- * @param str	The string to be initialized.
- * @param s	Null terminated string.
- *
- * @return	pj_str_t.
- */
-PJ_INLINE(const pj_str_t*) pj_cstr(pj_str_t *str, const char *s)
-{
-    str->ptr = (char*)s;
-    str->slen = s ? strlen(s) : 0;
-    return str;
-}
-
-/**
- * Set the pointer and length to the specified value.
- *
- * @param str	    the string.
- * @param ptr	    pointer to set.
- * @param length    length to set.
- *
- * @return the string.
- */
-PJ_INLINE(pj_str_t*) pj_strset( pj_str_t *str, char *ptr, pj_size_t length)
-{
-    str->ptr = ptr;
-    str->slen = length;
-    return str;
-}
-
-/**
- * Set the pointer and length of the string to the source string, which
- * must be NULL terminated.
- *
- * @param str	    the string.
- * @param src	    pointer to set.
- *
- * @return the string.
- */
-PJ_INLINE(pj_str_t*) pj_strset2( pj_str_t *str, char *src)
-{
-    str->ptr = src;
-    str->slen = src ? strlen(src) : 0;
-    return str;
-}
-
-/**
- * Set the pointer and the length of the string.
- *
- * @param str	    The target string.
- * @param begin	    The start of the string.
- * @param end	    The end of the string.
- *
- * @return the target string.
- */
-PJ_INLINE(pj_str_t*) pj_strset3( pj_str_t *str, char *begin, char *end )
-{
-    str->ptr = begin;
-    str->slen = end-begin;
-    return str;
-}
-
-/**
- * Assign string.
- *
- * @param dst	    The target string.
- * @param src	    The source string.
- *
- * @return the target string.
- */
-PJ_IDECL(pj_str_t*) pj_strassign( pj_str_t *dst, pj_str_t *src );
-
-/**
- * Copy string contents.
- *
- * @param dst	    The target string.
- * @param src	    The source string.
- *
- * @return the target string.
- */
-PJ_IDECL(pj_str_t*) pj_strcpy(pj_str_t *dst, const pj_str_t *src);
-
-/**
- * Copy string contents.
- *
- * @param dst	    The target string.
- * @param src	    The source string.
- *
- * @return the target string.
- */
-PJ_IDECL(pj_str_t*) pj_strcpy2(pj_str_t *dst, const char *src);
-
-/**
- * Copy source string to destination up to the specified max length.
- *
- * @param dst	    The target string.
- * @param src	    The source string.
- * @param max	    Maximum characters to copy.
- *
- * @return the target string.
- */
-PJ_IDECL(pj_str_t*) pj_strncpy(pj_str_t *dst, const pj_str_t *src, 
-			       pj_ssize_t max);
-
-/**
- * Copy source string to destination up to the specified max length,
- * and NULL terminate the destination. If source string length is
- * greater than or equal to max, then max-1 will be copied.
- *
- * @param dst	    The target string.
- * @param src	    The source string.
- * @param max	    Maximum characters to copy.
- *
- * @return the target string.
- */
-PJ_IDECL(pj_str_t*) pj_strncpy_with_null(pj_str_t *dst, const pj_str_t *src,
-					 pj_ssize_t max);
-
-/**
- * Duplicate string.
- *
- * @param pool	    The pool.
- * @param dst	    The string result.
- * @param src	    The string to duplicate.
- *
- * @return the string result.
- */
-PJ_IDECL(pj_str_t*) pj_strdup(pj_pool_t *pool,
-			      pj_str_t *dst,
-			      const pj_str_t *src);
-
-/**
- * Duplicate string and NULL terminate the destination string.
- *
- * @param pool
- * @param dst
- * @param src
- */
-PJ_IDECL(pj_str_t*) pj_strdup_with_null(pj_pool_t *pool,
-					pj_str_t *dst,
-					const pj_str_t *src);
-
-/**
- * Duplicate string.
- *
- * @param pool	    The pool.
- * @param dst	    The string result.
- * @param src	    The string to duplicate.
- *
- * @return the string result.
- */
-PJ_IDECL(pj_str_t*) pj_strdup2(pj_pool_t *pool,
-			       pj_str_t *dst,
-			       const char *src);
-
-/**
- * Duplicate string.
- *
- * @param pool	    The pool.
- * @param src	    The string to duplicate.
- *
- * @return the string result.
- */
-PJ_IDECL(pj_str_t) pj_strdup3(pj_pool_t *pool, const char *src);
-
-/**
- * Return the length of the string.
- *
- * @param str	    The string.
- *
- * @return the length of the string.
- */
-PJ_INLINE(pj_size_t) pj_strlen( const pj_str_t *str )
-{
-    return str->slen;
-}
-
-/**
- * Return the pointer to the string data.
- *
- * @param str	    The string.
- *
- * @return the pointer to the string buffer.
- */
-PJ_INLINE(const char*) pj_strbuf( const pj_str_t *str )
-{
-    return str->ptr;
-}
-
-/**
- * Compare strings. 
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_strcmp( const pj_str_t *str1, const pj_str_t *str2);
-
-/**
- * Compare strings.
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_strcmp2( const pj_str_t *str1, const char *str2 );
-
-/**
- * Compare strings. 
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- * @param len	    The maximum number of characters to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_strncmp( const pj_str_t *str1, const pj_str_t *str2, 
-			  pj_size_t len);
-
-/**
- * Compare strings. 
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- * @param len	    The maximum number of characters to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_strncmp2( const pj_str_t *str1, const char *str2, 
-			   pj_size_t len);
-
-/**
- * Perform lowercase comparison to the strings.
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_stricmp( const pj_str_t *str1, const pj_str_t *str2);
-
-/**
- * Perform lowercase comparison to the strings.
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_stricmp2( const pj_str_t *str1, const char *str2);
-
-/**
- * Perform lowercase comparison to the strings.
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- * @param len	    The maximum number of characters to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_strnicmp( const pj_str_t *str1, const pj_str_t *str2, 
-			   pj_size_t len);
-
-/**
- * Perform lowercase comparison to the strings.
- *
- * @param str1	    The string to compare.
- * @param str2	    The string to compare.
- * @param len	    The maximum number of characters to compare.
- *
- * @return 
- *	- < 0 if str1 is less than str2
- *      - 0   if str1 is identical to str2
- *      - > 0 if str1 is greater than str2
- */
-PJ_IDECL(int) pj_strnicmp2( const pj_str_t *str1, const char *str2, 
-			    pj_size_t len);
-
-/**
- * Concatenate strings.
- *
- * @param dst	    The destination string.
- * @param src	    The source string.
- */
-PJ_IDECL(void) pj_strcat(pj_str_t *dst, const pj_str_t *src);
-
-/**
- * Finds a character in a string.
- *
- * @param str	    The string.
- * @param chr	    The character to find.
- *
- * @return the pointer to first character found, or NULL.
- */
-PJ_INLINE(char*) pj_strchr( const pj_str_t *str, int chr)
-{
-    return (char*) memchr(str->ptr, chr, str->slen);
-}
-
-/**
- * Remove (trim) leading whitespaces from the string.
- *
- * @param str	    The string.
- *
- * @return the string.
- */
-PJ_DECL(pj_str_t*) pj_strltrim( pj_str_t *str );
-
-/**
- * Remove (trim) the trailing whitespaces from the string.
- *
- * @param str	    The string.
- *
- * @return the string.
- */
-PJ_DECL(pj_str_t*) pj_strrtrim( pj_str_t *str );
-
-/**
- * Remove (trim) leading and trailing whitespaces from the string.
- *
- * @param str	    The string.
- *
- * @return the string.
- */
-PJ_IDECL(pj_str_t*) pj_strtrim( pj_str_t *str );
-
-/**
- * Initialize the buffer with some random string.
- *
- * @param str	    the string to store the result.
- * @param length    the length of the random string to generate.
- *
- * @return the string.
- */
-PJ_DECL(char*) pj_create_random_string(char *str, pj_size_t length);
-
-/**
- * Convert string to unsigned integer.
- *
- * @param str	the string.
- *
- * @return the unsigned integer.
- */
-PJ_DECL(unsigned long) pj_strtoul(const pj_str_t *str);
-
-/**
- * Utility to convert unsigned integer to string. Note that the
- * string will be NULL terminated.
- *
- * @param val	    the unsigned integer value.
- * @param buf	    the buffer
- *
- * @return the number of characters written
- */
-PJ_DECL(int) pj_utoa(unsigned long val, char *buf);
-
-/**
- * Convert unsigned integer to string with minimum digits. Note that the
- * string will be NULL terminated.
- *
- * @param val	    The unsigned integer value.
- * @param buf	    The buffer.
- * @param min_dig   Minimum digits to be printed, or zero to specify no
- *		    minimum digit.
- * @param pad	    The padding character to be put in front of the string
- *		    when the digits is less than minimum.
- *
- * @return the number of characters written.
- */
-PJ_DECL(int) pj_utoa_pad( unsigned long val, char *buf, int min_dig, int pad);
-
-/**
- * Fill the memory location with value.
- *
- * @param dst	    The destination buffer.
- * @param c	    Character to set.
- * @param size	    The number of characters.
- *
- * @return the value of dst.
- */
-PJ_INLINE(void*) pj_memset(void *dst, int c, pj_size_t size)
-{
-    return memset(dst, c, size);
-}
-
-/**
- * Copy buffer.
- *
- * @param dst	    The destination buffer.
- * @param src	    The source buffer.
- * @param size	    The size to copy.
- *
- * @return the destination buffer.
- */
-PJ_INLINE(void*) pj_memcpy(void *dst, const void *src, pj_size_t size)
-{
-    return memcpy(dst, src, size);
-}
-
-/**
- * Move memory.
- *
- * @param dst	    The destination buffer.
- * @param src	    The source buffer.
- * @param size	    The size to copy.
- *
- * @return the destination buffer.
- */
-PJ_INLINE(void*) pj_memmove(void *dst, const void *src, pj_size_t size)
-{
-    return memmove(dst, src, size);
-}
-
-/**
- * Compare buffers.
- *
- * @param buf1	    The first buffer.
- * @param buf2	    The second buffer.
- * @param size	    The size to compare.
- *
- * @return negative, zero, or positive value.
- */
-PJ_INLINE(int) pj_memcmp(const void *buf1, const void *buf2, pj_size_t size)
-{
-    return memcmp(buf1, buf2, size);
-}
-
-/**
- * Find character in the buffer.
- *
- * @param buf	    The buffer.
- * @param c	    The character to find.
- * @param size	    The size to check.
- *
- * @return the pointer to location where the character is found, or NULL if
- *         not found.
- */
-PJ_INLINE(void*) pj_memchr(const void *buf, int c, pj_size_t size)
-{
-    return memchr(buf, c, size);
-}
-
-
-/**
- * @}
- */
-
-#if PJ_FUNCTIONS_ARE_INLINED
-#  include <pj/string_i.h>
-#endif
-
-PJ_END_DECL
-
-#endif	/* __PJ_STRING_H__ */
-
+/* $Id$ */
+/* 
+ * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#ifndef __PJ_STRING_H__
+#define __PJ_STRING_H__
+
+/**
+ * @file string.h
+ * @brief PJLIB String Operations.
+ */
+
+#include <pj/types.h>
+#include <pj/compat/string.h>
+#include <pj/compat/sprintf.h>
+#include <pj/compat/vsprintf.h>
+
+
+PJ_BEGIN_DECL
+
+/**
+ * @defgroup PJ_PSTR String Operations
+ * @ingroup PJ_DS
+ * @{
+ * This module provides string manipulation API.
+ *
+ * \section pj_pstr_not_null_sec PJLIB String is NOT Null Terminated!
+ *
+ * That is the first information that developers need to know. Instead
+ * of using normal C string, strings in PJLIB are represented as
+ * pj_str_t structure below:
+ *
+ * <pre>
+ *   typedef struct pj_str_t
+ *   {
+ *       char      *ptr;
+ *       pj_size_t  slen;
+ *   } pj_str_t;
+ * </pre>
+ *
+ * There are some advantages of using this approach:
+ *  - the string can point to arbitrary location in memory even
+ *    if the string in that location is not null terminated. This is
+ *    most usefull for text parsing, where the parsed text can just
+ *    point to the original text in the input. If we use C string,
+ *    then we will have to copy the text portion from the input
+ *    to a string variable.
+ *  - because the length of the string is known, string copy operation
+ *    can be made more efficient.
+ *
+ * Most of APIs in PJLIB that expect or return string will represent
+ * the string as pj_str_t instead of normal C string.
+ *
+ * \section pj_pstr_examples_sec Examples
+ *
+ * For some examples, please see:
+ *  - @ref page_pjlib_string_test
+ */
+
+/**
+ * Create string initializer from a normal C string.
+ *
+ * @param str	Null terminated string to be stored.
+ *
+ * @return	pj_str_t.
+ */
+PJ_IDECL(pj_str_t) pj_str(char *str);
+
+/**
+ * Create constant string from normal C string.
+ *
+ * @param str	The string to be initialized.
+ * @param s	Null terminated string.
+ *
+ * @return	pj_str_t.
+ */
+PJ_INLINE(const pj_str_t*) pj_cstr(pj_str_t *str, const char *s)
+{
+    str->ptr = (char*)s;
+    str->slen = s ? strlen(s) : 0;
+    return str;
+}
+
+/**
+ * Set the pointer and length to the specified value.
+ *
+ * @param str	    the string.
+ * @param ptr	    pointer to set.
+ * @param length    length to set.
+ *
+ * @return the string.
+ */
+PJ_INLINE(pj_str_t*) pj_strset( pj_str_t *str, char *ptr, pj_size_t length)
+{
+    str->ptr = ptr;
+    str->slen = length;
+    return str;
+}
+
+/**
+ * Set the pointer and length of the string to the source string, which
+ * must be NULL terminated.
+ *
+ * @param str	    the string.
+ * @param src	    pointer to set.
+ *
+ * @return the string.
+ */
+PJ_INLINE(pj_str_t*) pj_strset2( pj_str_t *str, char *src)
+{
+    str->ptr = src;
+    str->slen = src ? strlen(src) : 0;
+    return str;
+}
+
+/**
+ * Set the pointer and the length of the string.
+ *
+ * @param str	    The target string.
+ * @param begin	    The start of the string.
+ * @param end	    The end of the string.
+ *
+ * @return the target string.
+ */
+PJ_INLINE(pj_str_t*) pj_strset3( pj_str_t *str, char *begin, char *end )
+{
+    str->ptr = begin;
+    str->slen = end-begin;
+    return str;
+}
+
+/**
+ * Assign string.
+ *
+ * @param dst	    The target string.
+ * @param src	    The source string.
+ *
+ * @return the target string.
+ */
+PJ_IDECL(pj_str_t*) pj_strassign( pj_str_t *dst, pj_str_t *src );
+
+/**
+ * Copy string contents.
+ *
+ * @param dst	    The target string.
+ * @param src	    The source string.
+ *
+ * @return the target string.
+ */
+PJ_IDECL(pj_str_t*) pj_strcpy(pj_str_t *dst, const pj_str_t *src);
+
+/**
+ * Copy string contents.
+ *
+ * @param dst	    The target string.
+ * @param src	    The source string.
+ *
+ * @return the target string.
+ */
+PJ_IDECL(pj_str_t*) pj_strcpy2(pj_str_t *dst, const char *src);
+
+/**
+ * Copy source string to destination up to the specified max length.
+ *
+ * @param dst	    The target string.
+ * @param src	    The source string.
+ * @param max	    Maximum characters to copy.
+ *
+ * @return the target string.
+ */
+PJ_IDECL(pj_str_t*) pj_strncpy(pj_str_t *dst, const pj_str_t *src, 
+			       pj_ssize_t max);
+
+/**
+ * Copy source string to destination up to the specified max length,
+ * and NULL terminate the destination. If source string length is
+ * greater than or equal to max, then max-1 will be copied.
+ *
+ * @param dst	    The target string.
+ * @param src	    The source string.
+ * @param max	    Maximum characters to copy.
+ *
+ * @return the target string.
+ */
+PJ_IDECL(pj_str_t*) pj_strncpy_with_null(pj_str_t *dst, const pj_str_t *src,
+					 pj_ssize_t max);
+
+/**
+ * Duplicate string.
+ *
+ * @param pool	    The pool.
+ * @param dst	    The string result.
+ * @param src	    The string to duplicate.
+ *
+ * @return the string result.
+ */
+PJ_IDECL(pj_str_t*) pj_strdup(pj_pool_t *pool,
+			      pj_str_t *dst,
+			      const pj_str_t *src);
+
+/**
+ * Duplicate string and NULL terminate the destination string.
+ *
+ * @param pool
+ * @param dst
+ * @param src
+ */
+PJ_IDECL(pj_str_t*) pj_strdup_with_null(pj_pool_t *pool,
+					pj_str_t *dst,
+					const pj_str_t *src);
+
+/**
+ * Duplicate string.
+ *
+ * @param pool	    The pool.
+ * @param dst	    The string result.
+ * @param src	    The string to duplicate.
+ *
+ * @return the string result.
+ */
+PJ_IDECL(pj_str_t*) pj_strdup2(pj_pool_t *pool,
+			       pj_str_t *dst,
+			       const char *src);
+
+/**
+ * Duplicate string.
+ *
+ * @param pool	    The pool.
+ * @param src	    The string to duplicate.
+ *
+ * @return the string result.
+ */
+PJ_IDECL(pj_str_t) pj_strdup3(pj_pool_t *pool, const char *src);
+
+/**
+ * Return the length of the string.
+ *
+ * @param str	    The string.
+ *
+ * @return the length of the string.
+ */
+PJ_INLINE(pj_size_t) pj_strlen( const pj_str_t *str )
+{
+    return str->slen;
+}
+
+/**
+ * Return the pointer to the string data.
+ *
+ * @param str	    The string.
+ *
+ * @return the pointer to the string buffer.
+ */
+PJ_INLINE(const char*) pj_strbuf( const pj_str_t *str )
+{
+    return str->ptr;
+}
+
+/**
+ * Compare strings. 
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_strcmp( const pj_str_t *str1, const pj_str_t *str2);
+
+/**
+ * Compare strings.
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_strcmp2( const pj_str_t *str1, const char *str2 );
+
+/**
+ * Compare strings. 
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ * @param len	    The maximum number of characters to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_strncmp( const pj_str_t *str1, const pj_str_t *str2, 
+			  pj_size_t len);
+
+/**
+ * Compare strings. 
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ * @param len	    The maximum number of characters to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_strncmp2( const pj_str_t *str1, const char *str2, 
+			   pj_size_t len);
+
+/**
+ * Perform lowercase comparison to the strings.
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_stricmp( const pj_str_t *str1, const pj_str_t *str2);
+
+/**
+ * Perform lowercase comparison to the strings.
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_stricmp2( const pj_str_t *str1, const char *str2);
+
+/**
+ * Perform lowercase comparison to the strings.
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ * @param len	    The maximum number of characters to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_strnicmp( const pj_str_t *str1, const pj_str_t *str2, 
+			   pj_size_t len);
+
+/**
+ * Perform lowercase comparison to the strings.
+ *
+ * @param str1	    The string to compare.
+ * @param str2	    The string to compare.
+ * @param len	    The maximum number of characters to compare.
+ *
+ * @return 
+ *	- < 0 if str1 is less than str2
+ *      - 0   if str1 is identical to str2
+ *      - > 0 if str1 is greater than str2
+ */
+PJ_IDECL(int) pj_strnicmp2( const pj_str_t *str1, const char *str2, 
+			    pj_size_t len);
+
+/**
+ * Concatenate strings.
+ *
+ * @param dst	    The destination string.
+ * @param src	    The source string.
+ */
+PJ_IDECL(void) pj_strcat(pj_str_t *dst, const pj_str_t *src);
+
+/**
+ * Finds a character in a string.
+ *
+ * @param str	    The string.
+ * @param chr	    The character to find.
+ *
+ * @return the pointer to first character found, or NULL.
+ */
+PJ_INLINE(char*) pj_strchr( const pj_str_t *str, int chr)
+{
+    return (char*) memchr(str->ptr, chr, str->slen);
+}
+
+/**
+ * Remove (trim) leading whitespaces from the string.
+ *
+ * @param str	    The string.
+ *
+ * @return the string.
+ */
+PJ_DECL(pj_str_t*) pj_strltrim( pj_str_t *str );
+
+/**
+ * Remove (trim) the trailing whitespaces from the string.
+ *
+ * @param str	    The string.
+ *
+ * @return the string.
+ */
+PJ_DECL(pj_str_t*) pj_strrtrim( pj_str_t *str );
+
+/**
+ * Remove (trim) leading and trailing whitespaces from the string.
+ *
+ * @param str	    The string.
+ *
+ * @return the string.
+ */
+PJ_IDECL(pj_str_t*) pj_strtrim( pj_str_t *str );
+
+/**
+ * Initialize the buffer with some random string.
+ *
+ * @param str	    the string to store the result.
+ * @param length    the length of the random string to generate.
+ *
+ * @return the string.
+ */
+PJ_DECL(char*) pj_create_random_string(char *str, pj_size_t length);
+
+/**
+ * Convert string to unsigned integer.
+ *
+ * @param str	the string.
+ *
+ * @return the unsigned integer.
+ */
+PJ_DECL(unsigned long) pj_strtoul(const pj_str_t *str);
+
+/**
+ * Utility to convert unsigned integer to string. Note that the
+ * string will be NULL terminated.
+ *
+ * @param val	    the unsigned integer value.
+ * @param buf	    the buffer
+ *
+ * @return the number of characters written
+ */
+PJ_DECL(int) pj_utoa(unsigned long val, char *buf);
+
+/**
+ * Convert unsigned integer to string with minimum digits. Note that the
+ * string will be NULL terminated.
+ *
+ * @param val	    The unsigned integer value.
+ * @param buf	    The buffer.
+ * @param min_dig   Minimum digits to be printed, or zero to specify no
+ *		    minimum digit.
+ * @param pad	    The padding character to be put in front of the string
+ *		    when the digits is less than minimum.
+ *
+ * @return the number of characters written.
+ */
+PJ_DECL(int) pj_utoa_pad( unsigned long val, char *buf, int min_dig, int pad);
+
+/**
+ * Fill the memory location with value.
+ *
+ * @param dst	    The destination buffer.
+ * @param c	    Character to set.
+ * @param size	    The number of characters.
+ *
+ * @return the value of dst.
+ */
+PJ_INLINE(void*) pj_memset(void *dst, int c, pj_size_t size)
+{
+    return memset(dst, c, size);
+}
+
+/**
+ * Copy buffer.
+ *
+ * @param dst	    The destination buffer.
+ * @param src	    The source buffer.
+ * @param size	    The size to copy.
+ *
+ * @return the destination buffer.
+ */
+PJ_INLINE(void*) pj_memcpy(void *dst, const void *src, pj_size_t size)
+{
+    return memcpy(dst, src, size);
+}
+
+/**
+ * Move memory.
+ *
+ * @param dst	    The destination buffer.
+ * @param src	    The source buffer.
+ * @param size	    The size to copy.
+ *
+ * @return the destination buffer.
+ */
+PJ_INLINE(void*) pj_memmove(void *dst, const void *src, pj_size_t size)
+{
+    return memmove(dst, src, size);
+}
+
+/**
+ * Compare buffers.
+ *
+ * @param buf1	    The first buffer.
+ * @param buf2	    The second buffer.
+ * @param size	    The size to compare.
+ *
+ * @return negative, zero, or positive value.
+ */
+PJ_INLINE(int) pj_memcmp(const void *buf1, const void *buf2, pj_size_t size)
+{
+    return memcmp(buf1, buf2, size);
+}
+
+/**
+ * Find character in the buffer.
+ *
+ * @param buf	    The buffer.
+ * @param c	    The character to find.
+ * @param size	    The size to check.
+ *
+ * @return the pointer to location where the character is found, or NULL if
+ *         not found.
+ */
+PJ_INLINE(void*) pj_memchr(const void *buf, int c, pj_size_t size)
+{
+    return memchr(buf, c, size);
+}
+
+
+/**
+ * @}
+ */
+
+#if PJ_FUNCTIONS_ARE_INLINED
+#  include <pj/string_i.h>
+#endif
+
+PJ_END_DECL
+
+#endif	/* __PJ_STRING_H__ */
+