1 /*
2
3 Copyright 1988, 1998 The Open Group
4
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
9 documentation.
10
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
24
25 */
26
27 #define XK_LATIN1
28 #ifdef HAVE_CONFIG_H
29 #include <config.h>
30 #endif
31 #include <X11/keysymdef.h>
32 #include <X11/Xmu/CharSet.h>
33 #include <X11/Xmu/SysUtil.h>
34
35 #include <stdio.h>
36 #include <stdarg.h>
37
38 /*
39 * ISO Latin-1 case conversion routine
40 */
41 #define XmuTolower(c) \
42 ((c) >= XK_a && (c) <= XK_z ? \
43 (c) : (c) >= XK_A && (c) <= XK_Z ? \
44 (c) + (XK_a - XK_A) : (c) >= XK_Agrave && (c) <= XK_Odiaeresis ? \
45 (c) + (XK_agrave - XK_Agrave) : (c) >= XK_Ooblique && (c) <= XK_Thorn ? \
46 (c) + (XK_oslash - XK_Ooblique) : \
47 (c))
48
49 #define XmuToupper(c) \
50 ((c) >= XK_A && (c) <= XK_Z ? \
51 (c) : (c) >= XK_a && (c) <= XK_z ? \
52 (c) - (XK_a - XK_A) : (c) >= XK_agrave && (c) <= XK_odiaeresis ? \
53 (c) - (XK_agrave - XK_Agrave) : (c) >= XK_oslash && (c) <= XK_thorn ? \
54 (c) - (XK_oslash - XK_Ooblique) : \
55 (c))
56
57 /*
58 * Implementation
59 */
60 void
XmuCopyISOLatin1Lowered(char * dst,_Xconst char * src)61 XmuCopyISOLatin1Lowered(char *dst, _Xconst char *src)
62 {
63 unsigned char *dest;
64 _Xconst unsigned char *source;
65
66 for (dest = (unsigned char *)dst, source = (_Xconst unsigned char *)src;
67 *source;
68 source++, dest++)
69 *dest = XmuTolower(*source);
70 *dest = '\0';
71 }
72
73 void
XmuCopyISOLatin1Uppered(char * dst,_Xconst char * src)74 XmuCopyISOLatin1Uppered(char *dst, _Xconst char *src)
75 {
76 unsigned char *dest;
77 _Xconst unsigned char *source;
78
79 for (dest = (unsigned char *)dst, source = (_Xconst unsigned char *)src;
80 *source;
81 source++, dest++)
82 *dest = XmuToupper(*source);
83 *dest = '\0';
84 }
85
86 int
XmuCompareISOLatin1(_Xconst char * first,_Xconst char * second)87 XmuCompareISOLatin1(_Xconst char *first, _Xconst char *second)
88 {
89 _Xconst unsigned char *ap, *bp;
90
91 for (ap = (_Xconst unsigned char *)first, bp = (_Xconst unsigned char *)second;
92 *ap && *bp && XmuTolower(*ap) == XmuTolower(*bp);
93 ap++, bp++)
94 ;
95
96 return ((int)XmuTolower(*ap) - (int)XmuTolower(*bp));
97 }
98
99 void
XmuNCopyISOLatin1Lowered(char * dst,_Xconst char * src,register int size)100 XmuNCopyISOLatin1Lowered(char *dst, _Xconst char *src, register int size)
101 {
102 unsigned char *dest;
103 _Xconst unsigned char *source;
104
105 if (size > 0)
106 {
107 for (dest = (unsigned char *)dst, source = (_Xconst unsigned char *)src;
108 *source && size > 1;
109 source++, dest++, size--)
110 *dest = XmuTolower(*source);
111 *dest = '\0';
112 }
113 }
114
115 void
XmuNCopyISOLatin1Uppered(char * dst,_Xconst char * src,register int size)116 XmuNCopyISOLatin1Uppered(char *dst, _Xconst char *src, register int size)
117 {
118 unsigned char *dest;
119 _Xconst unsigned char *source;
120
121 if (size > 0)
122 {
123 for (dest = (unsigned char *)dst, source = ( _Xconst unsigned char *)src;
124 *source && size > 1;
125 source++, dest++, size--)
126 *dest = XmuToupper(*source);
127 *dest = '\0';
128 }
129 }
130
131 int
XmuSnprintf(char * str,int size,_Xconst char * fmt,...)132 XmuSnprintf(char *str, int size, _Xconst char *fmt, ...)
133 {
134 va_list ap;
135 int retval;
136
137 if (size <= 0)
138 return (size);
139
140 va_start(ap, fmt);
141
142 #if 0
143 retval = vsprintf(str, fmt, ap);
144 if (retval >= size)
145 {
146 fprintf(stderr, "WARNING: buffer overflow detected!\n");
147 fflush(stderr);
148 abort();
149 }
150 #else
151 retval = vsnprintf(str, size, fmt, ap);
152 #endif
153
154 va_end(ap);
155
156 return (retval);
157 }
158