/xdebug_str.c
C | 132 lines | 92 code | 17 blank | 23 comment | 17 complexity | 08edcec14b70c297f7c70bae9f1da235 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception
- /*
- +----------------------------------------------------------------------+
- | Xdebug |
- +----------------------------------------------------------------------+
- | Copyright (c) 2002-2016 Derick Rethans |
- +----------------------------------------------------------------------+
- | This source file is subject to version 1.0 of the Xdebug license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available at through the world-wide-web at |
- | http://xdebug.derickrethans.nl/license.php |
- | If you did not receive a copy of the Xdebug license and are unable |
- | to obtain it through the world-wide-web, please send a note to |
- | xdebug@derickrethans.nl so we can mail you a copy immediately. |
- +----------------------------------------------------------------------+
- | Authors: Derick Rethans <derick@xdebug.org> |
- +----------------------------------------------------------------------+
- */
- #include <stdarg.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <locale.h>
- #include "php.h"
- #include "ext/standard/php_string.h"
- #include "xdebug_mm.h"
- #include "xdebug_str.h"
- void xdebug_str_add(xdebug_str *xs, char *str, int f)
- {
- int l = strlen(str);
- if (xs->l + l > xs->a - 1) {
- xs->d = xdrealloc(xs->d, xs->a + l + XDEBUG_STR_PREALLOC);
- xs->a = xs->a + l + XDEBUG_STR_PREALLOC;
- }
- if (!xs->l) {
- xs->d[0] = '\0';
- }
- memcpy(xs->d + xs->l, str, l);
- xs->d[xs->l + l] = '\0';
- xs->l = xs->l + l;
- if (f) {
- xdfree(str);
- }
- }
- void xdebug_str_addl(xdebug_str *xs, char *str, int le, int f)
- {
- if (xs->l + le > xs->a - 1) {
- xs->d = xdrealloc(xs->d, xs->a + le + XDEBUG_STR_PREALLOC);
- xs->a = xs->a + le + XDEBUG_STR_PREALLOC;
- }
- if (!xs->l) {
- xs->d[0] = '\0';
- }
- memcpy(xs->d + xs->l, str, le);
- xs->d[xs->l + le] = '\0';
- xs->l = xs->l + le;
- if (f) {
- xdfree(str);
- }
- }
- void xdebug_str_chop(xdebug_str *xs, int c)
- {
- if (c > xs->l) {
- /* Do nothing if the chop amount is larger than the buffer size */
- } else {
- xs->l -= c;
- xs->d[xs->l] = '\0';
- }
- }
- void xdebug_str_free(xdebug_str *s)
- {
- if (s->d) {
- xdfree(s->d);
- }
- }
- char *xdebug_sprintf(const char* fmt, ...)
- {
- char *new_str;
- int size = 1;
- va_list args;
- new_str = (char *) xdmalloc(size);
- for (;;) {
- int n;
- va_start(args, fmt);
- n = vsnprintf(new_str, size, fmt, args);
- va_end(args);
- if (n > -1 && n < size) {
- break;
- }
- if (n < 0) {
- size *= 2;
- } else {
- size = n + 1;
- }
- new_str = (char *) xdrealloc(new_str, size);
- }
- return new_str;
- }
- /**
- * Duplicate zend_strndup in core to avoid mismatches
- * in C-runtime libraries when xdebug and core are built
- * with different run-time libraries.
- */
- char *xdebug_strndup(const char *s, int length)
- {
- char *p;
- p = (char *) xdmalloc(length + 1);
- if (p == NULL) {
- return p;
- }
- if (length) {
- memcpy(p, s, length);
- }
- p[length] = 0;
- return p;
- }