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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2006 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> |
+----------------------------------------------------------------------+
*/
#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)->c) { (x)->c[(x)->len] = '\0'; } } while (0)
#ifndef SMART_STR_PREALLOC
#define SMART_STR_PREALLOC 128
#endif
#ifdef SMART_STR_USE_REALLOC
#define SMART_STR_REALLOC(a,b,c) realloc((a),(b))
#else
#define SMART_STR_REALLOC(a,b,c) perealloc((a),(b),(c))
#endif
#define smart_str_alloc(d, n, what) {\
if (!d->c) d->len = d->a = 0; \
newlen = d->len + n; \
if (newlen >= d->a) {\
d->c = SMART_STR_REALLOC(d->c, newlen + SMART_STR_PREALLOC + 1, what); \
d->a = newlen + SMART_STR_PREALLOC; \
}\
}
#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_unsigned(dest, val) smart_str_append_unsigned_ex(dest, val, 0)
static inline void smart_str_appendc_ex(smart_str *dest, unsigned char c, int what)
{
size_t newlen;
smart_str_alloc(dest, 1, what);
dest->len = newlen;
((unsigned char *) dest->c)[dest->len - 1] = c;
}
static inline void smart_str_free_ex(smart_str *s, int what)
{
if (s->c) {
pefree(s->c, what);
s->c = NULL;
}
s->a = s->len = 0;
}
static inline void smart_str_appendl_ex(smart_str *dest, const char *src, size_t len, int what)
{
size_t newlen;
smart_str_alloc(dest, len, what);
memcpy(dest->c + dest->len, src, len);
dest->len = newlen;
}
/* buf points to the END of the buffer */
static inline char *smart_str_print_unsigned(char *buf, unsigned long num)
{
char *p = buf;
*p = '\0';
do {
*--p = (char)(num % 10) + '0';
num /= 10;
} while (num > 0);
return p;
}
/* buf points to the END of the buffer */
static inline char *smart_str_print_long(char *buf, long num)
{
char *p;
if (num < 0) {
/* this might cause problems when dealing with LONG_MIN
and machines which don't support long long. Works
flawlessly on 32bit x86 */
p = smart_str_print_unsigned(buf, -num);
*--p = '-';
} else {
p = smart_str_print_unsigned(buf, num);
}
return p;
}
static inline void smart_str_append_long_ex(smart_str *dest, long num, int type)
{
char buf[32];
char *p = smart_str_print_long(buf + sizeof(buf) - 1, num);
smart_str_appendl_ex(dest, p, (buf + sizeof(buf) - 1) - p, type);
}
static inline void smart_str_append_unsigned_ex(smart_str *dest, long num, int type)
{
char buf[32];
char *p = smart_str_print_unsigned(buf + sizeof(buf) - 1, num);
smart_str_appendl_ex(dest, p, (buf + sizeof(buf) - 1) - p, type);
}
static inline void smart_str_append_ex(smart_str *dest, smart_str *src, int what)
{
smart_str_appendl_ex(dest, src->c, src->len, what);
}
static inline void smart_str_setl(smart_str *dest, const char *src, size_t len)
{
dest->len = len;
dest->a = len + 1;
dest->c = (char *) src;
}
static inline void smart_str_sets(smart_str *dest, const char *src)
{
smart_str_setl(dest, src, strlen(src));
}
#endif
|
