1 /*
2 * output-c - output support 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 * LenprtHF(s, p, t) - get length of print header or footer with page number
36 * interpolation
37 */
38
LenprtHF(unsigned char * s,int p,int t)39 int LenprtHF(unsigned char *s, int p, int t) {
40 /* header/footer string s
41 * page number p
42 * type t: 0 = get interpolated length
43 * 1 = print
44 */
45 unsigned char buf[10]; /* buffer for page number */
46 int len; /* line length */
47 unsigned char *s1; /* temporary string pointer */
48
49 if (s == NULL)
50 return(0);
51 for (len = 0; *s && *s != '%'; s++) {
52 len++;
53 if (t)
54 Charput((int)*s);
55 }
56 if (*s) {
57 (void) sprintf((char *)buf, "%d", p);
58 for (s1 = buf; *s1; s1++) {
59 len++;
60 if (t)
61 Charput((int)*s1);
62 }
63 for (s++; *s; s++) {
64 len++;
65 if (t)
66 Charput((int)*s);
67 }
68 }
69 return(len);
70 }
71
72
73 /*
74 * Charput(s) - put a character to output, subject to diversion
75 */
76
Charput(int c)77 void Charput(int c) {
78 /* character to put c */
79 if (Divert == 0)
80 putchar((unsigned char)c);
81 }
82
83
84 /*
85 * Stringput(s) - put a string to output, subject to diversion
86 */
87
Stringput(unsigned char * s)88 void Stringput(unsigned char *s) {
89 /* string to put s */
90 if (Divert == 0)
91 fputs((char *)s, stdout);
92 }
93