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Diffstat (limited to 'libXmu/src/Lower.c')
| -rw-r--r-- | libXmu/src/Lower.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/libXmu/src/Lower.c b/libXmu/src/Lower.c new file mode 100644 index 000000000..06ad31a29 --- /dev/null +++ b/libXmu/src/Lower.c @@ -0,0 +1,164 @@ +/* $Xorg: Lower.c,v 1.4 2001/02/09 02:03:53 xorgcvs Exp $ */ + +/* + +Copyright 1988, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +/* $XFree86: xc/lib/Xmu/Lower.c,v 1.11 2001/07/25 15:04:50 dawes Exp $ */ + +#define XK_LATIN1 +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/keysymdef.h> +#include <X11/Xmu/CharSet.h> +#include <X11/Xmu/SysUtil.h> + +#include <stdio.h> + +#ifndef HAS_SNPRINTF +#undef SCOPE +#define SCOPE static +#include "snprintf.c" +#endif + +#include <stdarg.h> + +/* + * ISO Latin-1 case conversion routine + */ +#define XmuTolower(c) \ +((c) >= XK_a && (c) <= XK_z ? \ + (c) : (c) >= XK_A && (c) <= XK_Z ? \ + (c) + (XK_a - XK_A) : (c) >= XK_Agrave && (c) <= XK_Odiaeresis ? \ + (c) + (XK_agrave - XK_Agrave) : (c) >= XK_Ooblique && (c) <= XK_Thorn ? \ + (c) + (XK_oslash - XK_Ooblique) : \ + (c)) + +#define XmuToupper(c) \ +((c) >= XK_A && (c) <= XK_Z ? \ + (c) : (c) >= XK_a && (c) <= XK_z ? \ + (c) - (XK_a - XK_A) : (c) >= XK_agrave && (c) <= XK_odiaeresis ? \ + (c) - (XK_agrave - XK_Agrave) : (c) >= XK_oslash && (c) <= XK_thorn ? \ + (c) - (XK_oslash - XK_Ooblique) : \ + (c)) + +/* + * Implementation + */ +void +XmuCopyISOLatin1Lowered(char *dst, _Xconst char *src) +{ + register unsigned char *dest, *source; + + for (dest = (unsigned char *)dst, source = (unsigned char *)src; + *source; + source++, dest++) + *dest = XmuTolower(*source); + *dest = '\0'; +} + +void +XmuCopyISOLatin1Uppered(char *dst, _Xconst char *src) +{ + register unsigned char *dest, *source; + + for (dest = (unsigned char *)dst, source = (unsigned char *)src; + *source; + source++, dest++) + *dest = XmuToupper(*source); + *dest = '\0'; +} + +int +XmuCompareISOLatin1(_Xconst char *first, _Xconst char *second) +{ + register unsigned char *ap, *bp; + + for (ap = (unsigned char *)first, bp = (unsigned char *)second; + *ap && *bp && XmuTolower(*ap) == XmuTolower(*bp); + ap++, bp++) + ; + + return ((int)XmuTolower(*ap) - (int)XmuTolower(*bp)); +} + +void +XmuNCopyISOLatin1Lowered(char *dst, _Xconst char *src, register int size) +{ + register unsigned char *dest, *source; + + if (size > 0) + { + for (dest = (unsigned char *)dst, source = (unsigned char *)src; + *source && size > 1; + source++, dest++, size--) + *dest = XmuTolower(*source); + *dest = '\0'; + } +} + +void +XmuNCopyISOLatin1Uppered(char *dst, _Xconst char *src, register int size) +{ + register unsigned char *dest, *source; + + if (size > 0) + { + for (dest = (unsigned char *)dst, source = (unsigned char *)src; + *source && size > 1; + source++, dest++, size--) + *dest = XmuToupper(*source); + *dest = '\0'; + } +} + +int +XmuSnprintf(char *str, int size, _Xconst char *fmt, ...) +{ + va_list ap; + int retval; + + if (size <= 0) + return (size); + + va_start(ap, fmt); + +#if 0 + retval = vsprintf(str, fmt, ap); + if (retval >= size) + { + fprintf(stderr, "WARNING: buffer overflow detected!\n"); + fflush(stderr); + abort(); + } +#else + retval = vsnprintf(str, size, fmt, ap); +#endif + + va_end(ap); + + return (retval); +} |