diff options
Diffstat (limited to 'contrib/bc/dc/misc.c')
| -rw-r--r-- | contrib/bc/dc/misc.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/contrib/bc/dc/misc.c b/contrib/bc/dc/misc.c deleted file mode 100644 index fa94de1..0000000 --- a/contrib/bc/dc/misc.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * misc. functions for the "dc" Desk Calculator language. - * - * Copyright (C) 1994, 1997, 1998, 2000 Free Software Foundation, Inc. - * - * 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 2, 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, you can either send email to this - * program's author (see below) or write to: - * The Free Software Foundation, Inc. - * 59 Temple Place, Suite 330 - * Boston, MA 02111 USA - */ - -/* This module contains miscelaneous functions that have no - * special knowledge of any private data structures. - * They could all be moved to their own separate modules, but - * are agglomerated here for convenience. - */ - -#include "config.h" - -#include <stdio.h> -#ifdef HAVE_STDLIB_H -# include <stdlib.h> -#endif -#ifdef HAVE_STRING_H -# include <string.h> -#else -# ifdef HAVE_STRINGS_H -# include <strings.h> -# endif -#endif -#include <ctype.h> -#ifndef isgraph -# ifndef HAVE_ISGRAPH -# define isgraph isprint -# endif -#endif -#include <getopt.h> -#include "dc.h" -#include "dc-proto.h" - -#ifndef EXIT_FAILURE /* C89 <stdlib.h> */ -# define EXIT_FAILURE 1 -#endif - - -/* print an "out of memory" diagnostic and exit program */ -void -dc_memfail DC_DECLVOID() -{ - fprintf(stderr, "%s: out of memory\n", progname); - exit(EXIT_FAILURE); -} - -/* malloc or die */ -void * -dc_malloc DC_DECLARG((len)) - size_t len DC_DECLEND -{ - void *result = malloc(len); - - if (!result) - dc_memfail(); - return result; -} - - -/* print the id in a human-understandable form - * fp is the output stream to place the output on - * id is the name of the register (or command) to be printed - * suffix is a modifier (such as "stack") to be printed - */ -void -dc_show_id DC_DECLARG((fp, id, suffix)) - FILE *fp DC_DECLSEP - int id DC_DECLSEP - const char *suffix DC_DECLEND -{ - if (isgraph(id)) - fprintf(fp, "'%c' (%#o)%s", id, id, suffix); - else - fprintf(fp, "%#o%s", id, suffix); -} - - -/* report that corrupt data has been detected; - * use the msg and regid (if nonnegative) to give information - * about where the garbage was found, - * - * will abort() so that a debugger might be used to help find - * the bug - */ -/* If this routine is called, then there is a bug in the code; - * i.e. it is _not_ a data or user error - */ -void -dc_garbage DC_DECLARG((msg, regid)) - const char *msg DC_DECLSEP - int regid DC_DECLEND -{ - if (regid < 0) { - fprintf(stderr, "%s: garbage %s\n", progname, msg); - } else { - fprintf(stderr, "%s:%s register ", progname, msg); - dc_show_id(stderr, regid, " is garbage\n"); - } - abort(); -} - - -/* call system() with the passed string; - * if the string contains a newline, terminate the string - * there before calling system. - * Return a pointer to the first unused character in the string - * (i.e. past the '\n' if there was one, to the '\0' otherwise). - */ -const char * -dc_system DC_DECLARG((s)) - const char *s DC_DECLEND -{ - const char *p; - char *tmpstr; - size_t len; - - p = strchr(s, '\n'); - if (p) { - len = p - s; - tmpstr = dc_malloc(len + 1); - strncpy(tmpstr, s, len); - tmpstr[len] = '\0'; - system(tmpstr); - free(tmpstr); - return p + 1; - } - system(s); - return s + strlen(s); -} - - -/* print out the indicated value */ -void -dc_print DC_DECLARG((value, obase, newline_p, discard_p)) - dc_data value DC_DECLSEP - int obase DC_DECLSEP - dc_newline newline_p DC_DECLSEP - dc_discard discard_p DC_DECLEND -{ - if (value.dc_type == DC_NUMBER) { - dc_out_num(value.v.number, obase, newline_p, discard_p); - } else if (value.dc_type == DC_STRING) { - dc_out_str(value.v.string, newline_p, discard_p); - } else { - dc_garbage("in data being printed", -1); - } -} - -/* return a duplicate of the passed value, regardless of type */ -dc_data -dc_dup DC_DECLARG((value)) - dc_data value DC_DECLEND -{ - if (value.dc_type!=DC_NUMBER && value.dc_type!=DC_STRING) - dc_garbage("in value being duplicated", -1); - if (value.dc_type == DC_NUMBER) - return dc_dup_num(value.v.number); - /*else*/ - return dc_dup_str(value.v.string); -} |
