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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Sascha Schumann <sascha@schumann.cx> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef PHP_SMART_STR_H
#define PHP_SMART_STR_H
#include "php_smart_str_public.h"
#include <stdlib.h>
#ifndef SMART_STR_USE_REALLOC
#include <zend.h>
#endif
#define smart_str_0(x) do { \
if ((x)->s) { \
(x)->s->val[(x)->s->len] = '\0'; \
} \
} while (0)
#ifndef SMART_STR_PREALLOC
#define SMART_STR_PREALLOC 128
#endif
#ifndef SMART_STR_START_SIZE
#define SMART_STR_START_SIZE 78
#endif
#ifdef SMART_STR_USE_REALLOC
#define SMART_STR_DO_REALLOC(b, w) do { \
int oldlen = (b)->s->len; \
(b)->s = erealloc((buf)->s, _STR_HEADER_SIZE + (b)->a + 1); \
(b)->s->len = oldlen; \
} while (0)
#else
#define SMART_STR_DO_REALLOC(b, w) do { \
(b)->s = perealloc((b)->s, _STR_HEADER_SIZE + (b)->a + 1, (w)); \
} while (0)
#endif
#define smart_str_alloc4(d, n, what, newlen) do { \
if (!(d)->s) { \
newlen = (n); \
(d)->a = newlen < SMART_STR_START_SIZE \
? SMART_STR_START_SIZE \
: newlen + SMART_STR_PREALLOC; \
(d)->s = zend_string_alloc((d)->a, (what)); \
(d)->s->len = 0; \
} else { \
newlen = (d)->s->len + (n); \
if (newlen >= (d)->a) { \
(d)->a = newlen + SMART_STR_PREALLOC; \
SMART_STR_DO_REALLOC((d), (what)); \
} \
} \
} while (0)
#define smart_str_alloc(d, n, what) \
smart_str_alloc4((d), (n), (what), newlen)
/* wrapper */
#define smart_str_appends_ex(dest, src, what) \
smart_str_appendl_ex((dest), (src), strlen(src), (what))
#define smart_str_appends(dest, src) \
smart_str_appendl((dest), (src), strlen(src))
#define smart_str_appendc(dest, c) \
smart_str_appendc_ex((dest), (c), 0)
#define smart_str_free(s) \
smart_str_free_ex((s), 0)
#define smart_str_appendl(dest, src, len) \
smart_str_appendl_ex((dest), (src), (len), 0)
#define smart_str_append(dest, src) \
smart_str_append_ex((dest), (src), 0)
#define smart_str_append_long(dest, val) \
smart_str_append_long_ex((dest), (val), 0)
#define smart_str_append_off_t(dest, val) \
smart_str_append_off_t_ex((dest), (val), 0)
#define smart_str_append_unsigned(dest, val) \
smart_str_append_unsigned_ex((dest), (val), 0)
#define smart_str_appendc_ex(dest, ch, what) do { \
register size_t __nl; \
smart_str_alloc4((dest), 1, (what), __nl); \
(dest)->s->len = __nl; \
((unsigned char *) (dest)->s->val)[(dest)->s->len - 1] = (ch); \
} while (0)
#define smart_str_free_ex(buf, what) do { \
smart_str *__s = (smart_str *) (buf); \
if (__s->s) { \
zend_string_release(__s->s); \
__s->s = NULL; \
} \
__s->a = 0; \
} while (0)
#define smart_str_appendl_ex(dest, src, nlen, what) do { \
register size_t __nl; \
smart_str *__dest = (smart_str *) (dest); \
\
smart_str_alloc4(__dest, (nlen), (what), __nl); \
memcpy(__dest->s->val + __dest->s->len, (src), (nlen)); \
__dest->s->len = __nl; \
} while (0)
/*
* these could be replaced using a braced-group inside an expression
* for GCC compatible compilers, e.g.
*
* #define f(..) ({char *r;..;__r;})
*/
static inline char *smart_str_print_long(char *buf, zend_long num) {
char *r;
_zend_print_signed_to_buf(buf, num, zend_long, r);
return r;
}
static inline char *smart_str_print_unsigned(char *buf, zend_long num) {
char *r;
_zend_print_unsigned_to_buf(buf, num, zend_ulong, r);
return r;
}
#define smart_str_append_generic_ex(dest, num, type, vartype, func) do { \
char __b[32]; \
char *__t; \
_zend_print##func##_to_buf (__b + sizeof(__b) - 1, (num), vartype, __t); \
smart_str_appendl_ex((dest), __t, __b + sizeof(__b) - 1 - __t, (type)); \
} while (0)
#define smart_str_append_unsigned_ex(dest, num, type) \
smart_str_append_generic_ex((dest), (num), (type), zend_ulong, _unsigned)
#define smart_str_append_long_ex(dest, num, type) \
smart_str_append_generic_ex((dest), (num), (type), zend_ulong, _signed)
#define smart_str_append_off_t_ex(dest, num, type) \
smart_str_append_generic_ex((dest), (num), (type), zend_off_t, _signed)
#define smart_str_append_ex(dest, src, what) do { \
if ((src)->s && (src)->s->len) { \
smart_str_appendl_ex((dest), (src)->s->val, (src)->s->len, (what)); \
} \
} while(0)
#define smart_str_setl(dest, src, nlen) do { \
smart_str_free((dest)); \
smart_str_appendl_ex((dest), (src), (nlen), 0); \
} while (0)
#define smart_str_sets(dest, src) \
smart_str_setl((dest), (src), strlen(src));
#endif
|
