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144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 4 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2002 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Sascha Schumann <sascha@schumann.cx> |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHP_SMART_STR_H
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#define PHP_SMART_STR_H
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#include "php_smart_str_public.h"
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#include <stdlib.h>
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#include <zend.h>
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#define smart_str_0(x) do { if ((x)->c) { (x)->c[(x)->len] = '\0'; } } while (0)
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#ifndef SMART_STR_PREALLOC
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#define SMART_STR_PREALLOC 128
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#endif
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#define smart_str_alloc(d, n, what) {\
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if (!d->c) d->len = d->a = 0; \
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newlen = d->len + n; \
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if (newlen >= d->a) {\
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d->c = perealloc(d->c, newlen + SMART_STR_PREALLOC + 1, what); \
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d->a = newlen + SMART_STR_PREALLOC; \
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}\
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}
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#define smart_str_appends_ex(dest, src, what) smart_str_appendl_ex(dest, src, strlen(src), what)
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#define smart_str_appends(dest, src) smart_str_appendl(dest, src, strlen(src))
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#define smart_str_appendc(dest, c) smart_str_appendc_ex(dest, c, 0)
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#define smart_str_free(s) smart_str_free_ex(s, 0)
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#define smart_str_appendl(dest, src, len) smart_str_appendl_ex(dest, src, len, 0)
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#define smart_str_append(dest, src) smart_str_append_ex(dest, src, 0)
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#define smart_str_append_long(dest, val) smart_str_append_long_ex(dest, val, 0)
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#define smart_str_append_unsigned(dest, val) smart_str_append_unsigned_ex(dest, val, 0)
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static inline void smart_str_appendc_ex(smart_str *dest, unsigned char c, int what)
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{
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size_t newlen;
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smart_str_alloc(dest, 1, what);
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dest->len = newlen;
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((unsigned char *) dest->c)[dest->len - 1] = c;
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}
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static inline void smart_str_free_ex(smart_str *s, int what)
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{
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if (s->c) {
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pefree(s->c, what);
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s->c = NULL;
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}
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s->a = s->len = 0;
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}
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static inline void smart_str_appendl_ex(smart_str *dest, const char *src, size_t len, int what)
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{
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size_t newlen;
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smart_str_alloc(dest, len, what);
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memcpy(dest->c + dest->len, src, len);
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dest->len = newlen;
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}
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/* buf points to the END of the buffer */
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static inline char *smart_str_print_unsigned(char *buf, unsigned long num)
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{
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char *p = buf;
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*p = '\0';
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do {
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*--p = (char)(num % 10) + '0';
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num /= 10;
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} while (num > 0);
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return p;
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}
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/* buf points to the END of the buffer */
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static inline char *smart_str_print_long(char *buf, long num)
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{
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char *p;
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if (num < 0) {
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/* this might cause problems when dealing with LONG_MIN
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and machines which don't support long long. Works
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flawlessly on 32bit x86 */
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p = smart_str_print_unsigned(buf, -num);
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*--p = '-';
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} else {
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p = smart_str_print_unsigned(buf, num);
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}
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return p;
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}
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static inline void smart_str_append_long_ex(smart_str *dest, long num, int type)
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{
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char buf[32];
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char *p = smart_str_print_long(buf + sizeof(buf) - 1, num);
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smart_str_appendl_ex(dest, p, (buf + sizeof(buf) - 1) - p, type);
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}
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static inline void smart_str_append_unsigned_ex(smart_str *dest, long num, int type)
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{
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char buf[32];
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char *p = smart_str_print_unsigned(buf + sizeof(buf) - 1, num);
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smart_str_appendl_ex(dest, p, (buf + sizeof(buf) - 1) - p, type);
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}
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static inline void smart_str_append_ex(smart_str *dest, smart_str *src, int what)
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{
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smart_str_appendl_ex(dest, src->c, src->len, what);
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}
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static inline void smart_str_setl(smart_str *dest, const char *src, size_t len)
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{
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dest->len = len;
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dest->a = len + 1;
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dest->c = (char *) src;
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}
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static inline void smart_str_sets(smart_str *dest, const char *src)
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{
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smart_str_setl(dest, src, strlen(src));
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}
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#endif
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