74 lines
1.8 KiB
C
Executable File
74 lines
1.8 KiB
C
Executable File
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/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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/*LINTLIBRARY*/
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#ident "@(#)puterror.c 1.4 92/07/14 SMI" /* SVr4.0 1.1 */
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#include <stdio.h>
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#include <string.h>
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extern int ckwidth;
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extern int ckindent;
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extern int ckquit;
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extern int puttext();
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extern void *calloc(),
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free();
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#define DEFMSG "ERROR: "
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#define MS sizeof(DEFMSG)
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#define INVINP "invalid input"
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void
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puterror(fp, defmesg, error)
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FILE *fp;
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char *defmesg, *error;
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{
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char *tmp;
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int n;
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if(error == NULL) {
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/* use default message since no error was provided */
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n = (defmesg ? strlen(defmesg) : strlen (INVINP));
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tmp = calloc(MS+n+1, sizeof(char));
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(void) strcpy(tmp, DEFMSG);
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(void) strcat(tmp, defmesg ? defmesg : INVINP);
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} else if(defmesg != NULL) {
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n = strlen(error);
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if(error[0] == '~') {
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/* prepend default message */
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tmp = calloc(MS+n+strlen(defmesg)+2, sizeof(char));
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(void) strcpy(tmp, DEFMSG);
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(void) strcat(tmp, defmesg);
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(void) strcat(tmp, "\n");
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(void) strcat(tmp, ++error);
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} else if(n && (error[n-1] == '~')) {
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/* append default message */
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tmp = calloc(MS+n+strlen(defmesg)+2, sizeof(char));
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(void) strcpy(tmp, DEFMSG);
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(void) strcat(tmp, error);
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tmp[MS-1+n-1] = '\0'; /* first -1 'cuz sizeof(DEFMSG)
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includes terminator... */
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(void) strcat(tmp, "\n");
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(void) strcat(tmp, defmesg);
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} else {
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tmp = calloc(MS+n+1, sizeof(char));
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(void) strcpy(tmp, DEFMSG);
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(void) strcat(tmp, error);
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}
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} else {
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n = strlen(error);
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tmp = calloc(MS+n+1, sizeof(char));
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(void) strcpy(tmp, DEFMSG);
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(void) strcat(tmp, error);
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}
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(void) puttext(fp, tmp, ckindent, ckwidth);
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(void) fputc('\n', fp);
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free(tmp);
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}
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