xref: /PHP-8.4/main/php_ini_builder.c (revision d87ba95a)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | https://www.php.net/license/3_01.txt                                 |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Authors: Max Kellermann <max.kellermann@ionos.com>                   |
14    +----------------------------------------------------------------------+
15 */
16 
17 #include "php_ini_builder.h"
18 
19 #include <ctype.h>
20 #include <string.h>
21 
php_ini_builder_prepend(struct php_ini_builder * b,const char * src,size_t length)22 PHPAPI void php_ini_builder_prepend(struct php_ini_builder *b, const char *src, size_t length)
23 {
24 	php_ini_builder_realloc(b, length);
25 	if (b->length > 0)
26 		memmove(b->value + length, b->value, b->length);
27 	memcpy(b->value, src, length);
28 	b->length += length;
29 }
30 
php_ini_builder_unquoted(struct php_ini_builder * b,const char * name,size_t name_length,const char * value,size_t value_length)31 PHPAPI void php_ini_builder_unquoted(struct php_ini_builder *b, const char *name, size_t name_length, const char *value, size_t value_length)
32 {
33 	php_ini_builder_realloc(b, name_length + 1 + value_length + 1);
34 
35 	memcpy(b->value + b->length, name, name_length);
36 	b->length += name_length;
37 
38 	b->value[b->length++] = '=';
39 
40 	memcpy(b->value + b->length, value, value_length);
41 	b->length += value_length;
42 
43 	b->value[b->length++] = '\n';
44 }
45 
php_ini_builder_quoted(struct php_ini_builder * b,const char * name,size_t name_length,const char * value,size_t value_length)46 PHPAPI void php_ini_builder_quoted(struct php_ini_builder *b, const char *name, size_t name_length, const char *value, size_t value_length)
47 {
48 	php_ini_builder_realloc(b, name_length + 2 + value_length + 2);
49 
50 	memcpy(b->value + b->length, name, name_length);
51 	b->length += name_length;
52 
53 	b->value[b->length++] = '=';
54 	b->value[b->length++] = '"';
55 
56 	memcpy(b->value + b->length, value, value_length);
57 	b->length += value_length;
58 
59 	b->value[b->length++] = '"';
60 	b->value[b->length++] = '\n';
61 }
62 
php_ini_builder_define(struct php_ini_builder * b,const char * arg)63 PHPAPI void php_ini_builder_define(struct php_ini_builder *b, const char *arg)
64 {
65 	const size_t len = strlen(arg);
66 	const char *val = strchr(arg, '=');
67 
68 	if (val != NULL) {
69 		val++;
70 		if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') {
71 			php_ini_builder_quoted(b, arg, val - arg - 1, val, arg + len - val);
72 		} else {
73 			php_ini_builder_realloc(b, len + strlen("\n"));
74 			memcpy(b->value + b->length, arg, len);
75 			b->length += len;
76 			b->value[b->length++] = '\n';
77 		}
78 	} else {
79 		php_ini_builder_unquoted(b, arg, len, "1", 1);
80 	}
81 }
82 
83