1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-2001
Copyright (C) Simo Sorce 2001-2002
Copyright (C) Martin Pool 2003
Copyright (C) James Peach 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
/**
Do a case-insensitive, whitespace-ignoring ASCII string compare.
**/
_PUBLIC_ int strwicmp(const char *psz1, const char *psz2)
{
/* if BOTH strings are NULL, return TRUE, if ONE is NULL return */
/* appropriate value. */
if (psz1 == psz2)
return (0);
else if (psz1 == NULL)
return (-1);
else if (psz2 == NULL)
return (1);
/* sync the strings on first non-whitespace */
while (1) {
while (isspace((int)*psz1))
psz1++;
while (isspace((int)*psz2))
psz2++;
/*
* This does not do a genuine multi-byte comparison,
* instead it just uses the fast-path for ASCII in
* these common routines
*/
if (toupper_m((unsigned char)*psz1) != toupper_m((unsigned char)*psz2)
|| *psz1 == '\0'
|| *psz2 == '\0')
break;
psz1++;
psz2++;
}
return (*psz1 - *psz2);
}
_PUBLIC_ size_t ucs2_align(const void *base_ptr, const void *p, int flags)
{
if (flags & (STR_NOALIGN|STR_ASCII))
return 0;
return PTR_DIFF(p, base_ptr) & 1;
}
/**
String replace.
NOTE: oldc and newc must be 7 bit characters
**/
void string_replace( char *s, char oldc, char newc )
{
char *p;
/* this is quite a common operation, so we want it to be
fast. We optimise for the ascii case, knowing that all our
supported multi-byte character sets are ascii-compatible
(ie. they match for the first 128 chars) */
for (p = s; *p; p++) {
if (*p & 0x80) /* mb string - slow path. */
break;
if (*p == oldc) {
*p = newc;
}
}
if (!*p)
return;
/* Slow (mb) path. */
#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
/* With compose characters we must restart from the beginning. JRA. */
p = s;
#endif
while (*p) {
size_t c_size;
next_codepoint(p, &c_size);
if (c_size == 1) {
if (*p == oldc) {
*p = newc;
}
}
p += c_size;
}
}
/**
Paranoid strcpy into a buffer of given length (includes terminating
zero. Strips out all but 'a-Z0-9' and the character in other_safe_chars
and replaces with '_'. Deliberately does *NOT* check for multibyte
characters. Treats src as an array of bytes, not as a multibyte
string. Any byte >0x7f is automatically converted to '_'.
other_safe_chars must also contain an ascii string (bytes<0x7f).
**/
char *alpha_strcpy(char *dest,
const char *src,
const char *other_safe_chars,
size_t maxlength)
{
size_t len, i;
if (!dest) {
smb_panic("ERROR: NULL dest in alpha_strcpy");
}
if (!src) {
*dest = 0;
return dest;
}
len = strlen(src);
if (len >= maxlength)
len = maxlength - 1;
if (!other_safe_chars)
other_safe_chars = "";
for(i = 0; i < len; i++) {
int val = (src[i] & 0xff);
if (val > 0x7f) {
dest[i] = '_';
continue;
}
if (isupper(val) || islower(val) ||
isdigit(val) || strchr(other_safe_chars, val))
dest[i] = src[i];
else
dest[i] = '_';
}
dest[i] = '\0';
return dest;
}
|
