X-Git-Url: http://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=ncurses%2Ftrace%2Flib_tracechr.c;fp=ncurses%2Ftrace%2Flib_tracechr.c;h=e97e67931464f1a18f5c7c29d5a53005f3c51737;hb=0eb88fc5281804773e2a0c7a488a4452463535ce;hp=0000000000000000000000000000000000000000;hpb=661078ddbde3ce0f3b06e95642fbb9b5fef7dca1;p=ncurses.git diff --git a/ncurses/trace/lib_tracechr.c b/ncurses/trace/lib_tracechr.c new file mode 100644 index 00000000..e97e6793 --- /dev/null +++ b/ncurses/trace/lib_tracechr.c @@ -0,0 +1,69 @@ +/**************************************************************************** + * Copyright (c) 1998 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * 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 ABOVE COPYRIGHT HOLDERS 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(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim 1992,1995 * + * and: Eric S. Raymond * + ****************************************************************************/ + + + +/* + * lib_tracechr.c - Tracing/Debugging routines + */ + +#ifndef TRACE +#define TRACE /* turn on internal defs for this module */ +#endif + +#include + +#include + +#ifdef TRACE +char *_tracechar(const unsigned char ch) +{ + static char crep[20]; + /* + * We can show the actual character if it's either an ordinary printable + * or one of the high-half characters. + */ + if (isprint(ch) || (ch & 0x80)) + { + crep[0] = '\''; + crep[1] = ch; /* necessary; printf tries too hard on metachars */ + (void) sprintf(crep + 2, "' = 0x%02x", (unsigned)ch); + } + else + (void) sprintf(crep, "0x%02x", (unsigned)ch); + return(crep); +} +#else +extern void _nc_lib_tracechr(void); + void _nc_lib_tracechr(void) { } +#endif