chiark / gitweb /
New array adjustment macros for unsigned arguments.
[mLib] / pquis.c
CommitLineData
4a74ab73 1/* -*-c-*-
2 *
3 * $Id: pquis.c,v 1.1 1999/10/04 21:43:29 mdw Exp $
4 *
5 * Print strings, substituting the program name
6 *
7 * (c) 1999 Straylight/Edgeware
8 */
9
10/*----- Licensing notice --------------------------------------------------*
11 *
12 * This file is part of the mLib utilities library.
13 *
14 * mLib is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU Library General Public License as
16 * published by the Free Software Foundation; either version 2 of the
17 * License, or (at your option) any later version.
18 *
19 * mLib is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU Library General Public License for more details.
23 *
24 * You should have received a copy of the GNU Library General Public
25 * License along with mLib; if not, write to the Free
26 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
27 * MA 02111-1307, USA.
28 */
29
30/*----- Revision history --------------------------------------------------*
31 *
32 * $Log: pquis.c,v $
33 * Revision 1.1 1999/10/04 21:43:29 mdw
34 * New function `pquis'.
35 *
36 */
37
38/*----- Header files ------------------------------------------------------*/
39
40#include <stdio.h>
41#include <string.h>
42
43#include "quis.h"
44
45/*----- Main code ---------------------------------------------------------*/
46
47/* --- @pquis@ --- *
48 *
49 * Arguments: @FILE *fp@ = output stream to write on
50 * @const char *p@ = pointer to string to write
51 *
52 * Returns: Zero if everything worked, EOF if not.
53 *
54 * Use: Writes the string @p@ to the output stream @fp@. Occurrences
55 * of the character `$' in @p@ are replaced by the program name
56 * as reported by @quis@. A `$$' is replaced by a single `$'
57 * sign.
58 */
59
60int pquis(FILE *fp, const char *p)
61{
62 size_t sz;
63
64 while (*p) {
65 sz = strcspn(p, "$");
66 if (sz) {
67 if (fwrite(p, 1, sz, fp) < sz)
68 return (EOF);
69 p += sz;
70 }
71 if (*p == '$') {
72 p++;
73 if (*p == '$') {
74 if (fputc('$', fp) == EOF)
75 return (EOF);
76 p++;
77 } else {
78 if (fputs(pn__name, fp) == EOF)
79 return (EOF);
80 }
81 }
82 }
83 return (0);
84}
85
86/*----- That's all, folks -------------------------------------------------*/