xref: /minix/minix/commands/cawf/error.c (revision 0a6a1f1d)
1 /*
2  *	error.c - error handling functions for cawf(1)
3  */
4 
5 /*
6  *	Copyright (c) 1991 Purdue University Research Foundation,
7  *	West Lafayette, Indiana 47907.  All rights reserved.
8  *
9  *	Written by Victor A. Abell <abe@mace.cc.purdue.edu>,  Purdue
10  *	University Computing Center.  Not derived from licensed software;
11  *	derived from awf(1) by Henry Spencer of the University of Toronto.
12  *
13  *	Permission is granted to anyone to use this software for any
14  *	purpose on any computer system, and to alter it and redistribute
15  *	it freely, subject to the following restrictions:
16  *
17  *	1. The author is not responsible for any consequences of use of
18  *	   this software, even if they arise from flaws in it.
19  *
20  *	2. The origin of this software must not be misrepresented, either
21  *	   by explicit claim or by omission.  Credits must appear in the
22  *	   documentation.
23  *
24  *	3. Altered versions must be plainly marked as such, and must not
25  *	   be misrepresented as being the original software.  Credits must
26  *	   appear in the documentation.
27  *
28  *	4. This notice may not be removed or altered.
29  */
30 
31 #include "cawf.h"
32 
33 
34 /*
35  * Error(t, l, s1, s2) - issue error message
36  */
37 
38 void Error(int t, int l, char *s1, char *s2) {
39 /* type: WARN or FATAL t
40  * LINE: display Line[] l
41  * optional text s1 and s2
42  */
43 	char msg[MAXLINE];		/* message */
44 
45 	if (t == WARN && !Dowarn) return;
46 
47 	if (l == LINE)
48 		(void) fprintf(Efs, "%s: (%s, %d):%s%s - %s\n",
49 			Pname,
50 			Inname,
51 			NR,
52 			(s1 == NULL) ? "" : s1,
53 			(s2 == NULL) ? "" : s2,
54 			Line);
55 	else
56 		(void) fprintf(Efs, "%s:%s%s\n",
57 			Pname,
58 			(s1 == NULL) ? "" : s1,
59 			(s2 == NULL) ? "" : s2);
60 	if (t == FATAL)
61 		exit(1);
62 	Err = 1;
63 	return;
64 }
65 
66 
67 /*
68  * Error3(len, word, sarg, narg) - process error in pass3
69  */
70 
71 void Error3(int len, char* word, char *sarg, int narg, char *msg) {
72 /* length (negative is special) len
73  * word word
74  * string argument sarg
75  * numeric argument narg
76  * message msg
77  */
78 	if (len == MESSAGE) {
79 		(void) fprintf(Efs, "%s: (%s, %d) %s\n",
80 			Pname,
81 			(word == NULL) ? "<none>" : word,
82 			narg,
83 			(sarg == NULL) ? "<none>" : sarg);
84 		return;
85 	}
86 	(void) fprintf(Efs,
87 		"%s: pass3, len=%d, word=\"%s\", sarg=\"%s\", narg=%d%s%s\n",
88 		Pname, len,
89 		(word == NULL) ? "" : word,
90 		(sarg == NULL) ? "" : sarg,
91 		narg,
92 		(msg == NULL) ? "" : " - ",
93 		(msg == NULL) ? "" : msg);
94 	Err = 1;
95 }
96