4.4BSD/usr/src/usr.bin/error/subr.c
/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "error.h"
/*
* Arrayify a list of rules
*/
arrayify(e_length, e_array, header)
int *e_length;
Eptr **e_array;
Eptr header;
{
reg Eptr errorp;
reg Eptr *array;
reg int listlength;
reg int listindex;
for (errorp = header, listlength = 0;
errorp; errorp = errorp->error_next, listlength++)
continue;
array = (Eptr*)Calloc(listlength+1, sizeof (Eptr));
for(listindex = 0, errorp = header;
listindex < listlength;
listindex++, errorp = errorp->error_next){
array[listindex] = errorp;
errorp->error_position = listindex;
}
array[listindex] = (Eptr)0;
*e_length = listlength;
*e_array = array;
}
/*VARARGS1*/
error(msg, a1, a2, a3)
char *msg;
{
fprintf(stderr, "Error: ");
fprintf(stderr, msg, a1, a2, a3);
fprintf(stderr, "\n");
fflush(stdout);
fflush(stderr);
exit(6);
}
/*ARGSUSED*/
char *Calloc(nelements, size)
int nelements;
int size;
{
char *back;
if ( (back = (char *)calloc(nelements, size)) == (char *)NULL){
error("Ran out of memory.\n");
exit(1);
}
return(back);
}
char *strsave(instring)
char *instring;
{
char *outstring;
(void)strcpy(outstring = (char *)Calloc(1, strlen(instring) + 1),
instring);
return(outstring);
}
/*
* find the position of a given character in a string
* (one based)
*/
int position(string, ch)
reg char *string;
reg char ch;
{
reg int i;
if (string)
for (i=1; *string; string++, i++){
if (*string == ch)
return(i);
}
return(-1);
}
/*
* clobber the first occurance of ch in string by the new character
*/
char *substitute(string, chold, chnew)
char *string;
char chold, chnew;
{
reg char *cp = string;
if (cp)
while (*cp){
if (*cp == chold){
*cp = chnew;
break;
}
cp++;
}
return(string);
}
char lastchar(string)
char *string;
{
int length;
if (string == 0) return('\0');
length = strlen(string);
if (length >= 1)
return(string[length-1]);
else
return('\0');
}
char firstchar(string)
char *string;
{
if (string)
return(string[0]);
else
return('\0');
}
char next_lastchar(string)
char *string;
{
int length;
if (string == 0) return('\0');
length = strlen(string);
if (length >= 2)
return(string[length - 2]);
else
return('\0');
}
clob_last(string, newstuff)
char *string, newstuff;
{
int length = 0;
if (string)
length = strlen(string);
if (length >= 1)
string[length - 1] = newstuff;
}
/*
* parse a string that is the result of a format %s(%d)
* return TRUE if this is of the proper format
*/
boolean persperdexplode(string, r_perd, r_pers)
char *string;
char **r_perd, **r_pers;
{
reg char *cp;
int length = 0;
if (string)
length = strlen(string);
if ( (length >= 4)
&& (string[length - 1] == ')' ) ){
for (cp = &string[length - 2];
(isdigit(*cp)) && (*cp != '(');
--cp)
continue;
if (*cp == '('){
string[length - 1] = '\0'; /* clobber the ) */
*r_perd = strsave(cp+1);
string[length - 1] = ')';
*cp = '\0'; /* clobber the ( */
*r_pers = strsave(string);
*cp = '(';
return(TRUE);
}
}
return(FALSE);
}
/*
* parse a quoted string that is the result of a format \"%s\"(%d)
* return TRUE if this is of the proper format
*/
boolean qpersperdexplode(string, r_perd, r_pers)
char *string;
char **r_perd, **r_pers;
{
reg char *cp;
int length = 0;
if (string)
length = strlen(string);
if ( (length >= 4)
&& (string[length - 1] == ')' ) ){
for (cp = &string[length - 2];
(isdigit(*cp)) && (*cp != '(');
--cp)
continue;
if (*cp == '(' && *(cp - 1) == '"'){
string[length - 1] = '\0';
*r_perd = strsave(cp+1);
string[length - 1] = ')';
*(cp - 1) = '\0'; /* clobber the " */
*r_pers = strsave(string + 1);
*(cp - 1) = '"';
return(TRUE);
}
}
return(FALSE);
}
static char cincomment[] = CINCOMMENT;
static char coutcomment[] = COUTCOMMENT;
static char fincomment[] = FINCOMMENT;
static char foutcomment[] = FOUTCOMMENT;
static char newline[] = NEWLINE;
static char piincomment[] = PIINCOMMENT;
static char pioutcomment[] = PIOUTCOMMENT;
static char lispincomment[] = LISPINCOMMENT;
static char riincomment[] = RIINCOMMENT;
static char rioutcomment[] = RIOUTCOMMENT;
static char troffincomment[] = TROFFINCOMMENT;
static char troffoutcomment[] = TROFFOUTCOMMENT;
static char mod2incomment[] = MOD2INCOMMENT;
static char mod2outcomment[] = MOD2OUTCOMMENT;
struct lang_desc lang_table[] = {
/*INUNKNOWN 0*/ "unknown", cincomment, coutcomment,
/*INCPP 1*/ "cpp", cincomment, coutcomment,
/*INCC 2*/ "cc", cincomment, coutcomment,
/*INAS 3*/ "as", ASINCOMMENT, newline,
/*INLD 4*/ "ld", cincomment, coutcomment,
/*INLINT 5*/ "lint", cincomment, coutcomment,
/*INF77 6*/ "f77", fincomment, foutcomment,
/*INPI 7*/ "pi", piincomment, pioutcomment,
/*INPC 8*/ "pc", piincomment, pioutcomment,
/*INFRANZ 9*/ "franz",lispincomment, newline,
/*INLISP 10*/ "lisp", lispincomment, newline,
/*INVAXIMA 11*/ "vaxima",lispincomment,newline,
/*INRATFOR 12*/ "ratfor",fincomment, foutcomment,
/*INLEX 13*/ "lex", cincomment, coutcomment,
/*INYACC 14*/ "yacc", cincomment, coutcomment,
/*INAPL 15*/ "apl", ".lm", newline,
/*INMAKE 16*/ "make", ASINCOMMENT, newline,
/*INRI 17*/ "ri", riincomment, rioutcomment,
/*INTROFF 18*/ "troff",troffincomment,troffoutcomment,
/*INMOD2 19*/ "mod2", mod2incomment, mod2outcomment,
0, 0, 0
};
printerrors(look_at_subclass, errorc, errorv)
boolean look_at_subclass;
int errorc;
Eptr errorv[];
{
reg int i;
reg Eptr errorp;
for (errorp = errorv[i = 0]; i < errorc; errorp = errorv[++i]){
if (errorp->error_e_class == C_IGNORE)
continue;
if (look_at_subclass && errorp->error_s_class == C_DUPL)
continue;
printf("Error %d, (%s error) [%s], text = \"",
i,
class_table[errorp->error_e_class],
lang_table[errorp->error_language].lang_name);
wordvprint(stdout,errorp->error_lgtext,errorp->error_text);
printf("\"\n");
}
}
wordvprint(fyle, wordc, wordv)
FILE *fyle;
int wordc;
char *wordv[];
{
int i;
char *sep = "";
for(i = 0; i < wordc; i++)
if (wordv[i]) {
fprintf(fyle, "%s%s",sep,wordv[i]);
sep = " ";
}
}
/*
* Given a string, parse it into a number of words, and build
* a wordc wordv combination pointing into it.
*/
wordvbuild(string, r_wordc, r_wordv)
char *string;
int *r_wordc;
char ***r_wordv;
{
reg char *cp;
char *saltedbuffer;
char **wordv;
int wordcount;
int wordindex;
saltedbuffer = strsave(string);
for (wordcount = 0, cp = saltedbuffer; *cp; wordcount++){
while (*cp && isspace(*cp))
cp++;
if (*cp == 0)
break;
while (!isspace(*cp))
cp++;
}
wordv = (char **)Calloc(wordcount + 1, sizeof (char *));
for (cp=saltedbuffer,wordindex=0; wordcount; wordindex++,--wordcount){
while (*cp && isspace(*cp))
cp++;
if (*cp == 0)
break;
wordv[wordindex] = cp;
while(!isspace(*cp))
cp++;
*cp++ = '\0';
}
if (wordcount != 0)
error("Initial miscount of the number of words in a line\n");
wordv[wordindex] = (char *)0;
#ifdef FULLDEBUG
for (wordcount = 0; wordcount < wordindex; wordcount++)
printf("Word %d = \"%s\"\n", wordcount, wordv[wordcount]);
printf("\n");
#endif
*r_wordc = wordindex;
*r_wordv = wordv;
}
/*
* Compare two 0 based wordvectors
*/
int wordvcmp(wordv1, wordc, wordv2)
char **wordv1;
int wordc;
char **wordv2;
{
reg int i;
int back;
for (i = 0; i < wordc; i++){
if (wordv1[i] == 0 || wordv2[i] == 0)
return(-1);
if (back = strcmp(wordv1[i], wordv2[i])){
return(back);
}
}
return(0); /* they are equal */
}
/*
* splice a 0 basedword vector onto the tail of a
* new wordv, allowing the first emptyhead slots to be empty
*/
char **wordvsplice(emptyhead, wordc, wordv)
int emptyhead;
int wordc;
char **wordv;
{
reg char **nwordv;
int nwordc = emptyhead + wordc;
reg int i;
nwordv = (char **)Calloc(nwordc, sizeof (char *));
for (i = 0; i < emptyhead; i++)
nwordv[i] = 0;
for(i = emptyhead; i < nwordc; i++){
nwordv[i] = wordv[i-emptyhead];
}
return(nwordv);
}
/*
* plural'ize and verb forms
*/
static char *S = "s";
static char *N = "";
char *plural(n)
int n;
{
return( n > 1 ? S : N);
}
char *verbform(n)
int n;
{
return( n > 1 ? N : S);
}