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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: pquis.c,v 1.2 2004/04/08 01:36:13 mdw Exp $ |
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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 | |
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30 | /*----- Header files ------------------------------------------------------*/ |
31 | |
32 | #include <stdio.h> |
33 | #include <string.h> |
34 | |
35 | #include "quis.h" |
36 | |
37 | /*----- Main code ---------------------------------------------------------*/ |
38 | |
39 | /* --- @pquis@ --- * |
40 | * |
41 | * Arguments: @FILE *fp@ = output stream to write on |
42 | * @const char *p@ = pointer to string to write |
43 | * |
44 | * Returns: Zero if everything worked, EOF if not. |
45 | * |
46 | * Use: Writes the string @p@ to the output stream @fp@. Occurrences |
47 | * of the character `$' in @p@ are replaced by the program name |
48 | * as reported by @quis@. A `$$' is replaced by a single `$' |
49 | * sign. |
50 | */ |
51 | |
52 | int pquis(FILE *fp, const char *p) |
53 | { |
54 | size_t sz; |
55 | |
56 | while (*p) { |
57 | sz = strcspn(p, "$"); |
58 | if (sz) { |
59 | if (fwrite(p, 1, sz, fp) < sz) |
60 | return (EOF); |
61 | p += sz; |
62 | } |
63 | if (*p == '$') { |
64 | p++; |
65 | if (*p == '$') { |
66 | if (fputc('$', fp) == EOF) |
67 | return (EOF); |
68 | p++; |
69 | } else { |
70 | if (fputs(pn__name, fp) == EOF) |
71 | return (EOF); |
72 | } |
73 | } |
74 | } |
75 | return (0); |
76 | } |
77 | |
78 | /*----- That's all, folks -------------------------------------------------*/ |