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1 | /* |
2 | * This file is part of DisOrder |
3 | * Copyright (C) 2004, 2006 Richard Kettlewell |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by |
7 | * the Free Software Foundation; either version 2 of the License, or |
8 | * (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, but |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to the Free Software |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
18 | * USA |
19 | */ |
14ad73b9 |
20 | /** @file lib/asprintf.c @brief printf() workalikes */ |
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21 | |
22 | #include <config.h> |
23 | #include "types.h" |
24 | |
25 | #include <stdio.h> |
26 | #include <string.h> |
27 | #include <stdarg.h> |
28 | #include <stddef.h> |
29 | #include <errno.h> |
30 | |
31 | #include "printf.h" |
32 | #include "sink.h" |
33 | #include "mem.h" |
34 | #include "vector.h" |
35 | #include "log.h" |
36 | |
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37 | /** @brief vasprintf() workalike without encoding errors |
38 | * |
39 | * This acts like vasprintf() except that it does not throw an error |
40 | * if you use a string outside the current locale's encoding rules, |
41 | * and it uses the memory allocation calls from @ref mem.h. |
42 | */ |
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43 | int byte_vasprintf(char **ptrp, |
44 | const char *fmt, |
45 | va_list ap) { |
46 | struct dynstr d; |
47 | int n; |
48 | |
49 | dynstr_init(&d); |
50 | if((n = byte_vsinkprintf(sink_dynstr(&d), fmt, ap)) >= 0) { |
51 | dynstr_terminate(&d); |
52 | *ptrp = d.vec; |
53 | } |
54 | return n; |
55 | } |
56 | |
d7b6f0d1 |
57 | /** @brief asprintf() workalike without encoding errors |
58 | * |
59 | * This acts like asprintf() except that it does not throw an error |
60 | * if you use a string outside the current locale's encoding rules, |
61 | * and it uses the memory allocation calls from @ref mem.h. |
62 | */ |
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63 | int byte_asprintf(char **ptrp, |
64 | const char *fmt, |
65 | ...) { |
66 | int n; |
67 | va_list ap; |
68 | |
69 | va_start(ap, fmt); |
70 | n = byte_vasprintf(ptrp, fmt, ap); |
71 | va_end(ap); |
72 | return n; |
73 | } |
74 | |
d7b6f0d1 |
75 | /** @brief asprintf() workalike without encoding errors |
76 | * |
77 | * This acts like asprintf() except that it does not throw an error if |
78 | * you use a string outside the current locale's encoding rules; it |
79 | * uses the memory allocation calls from @ref mem.h; and it terminates |
80 | * the program on error. |
81 | */ |
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82 | int byte_xasprintf(char **ptrp, |
83 | const char *fmt, |
84 | ...) { |
85 | int n; |
86 | va_list ap; |
87 | |
88 | va_start(ap, fmt); |
89 | n = byte_xvasprintf(ptrp, fmt, ap); |
90 | va_end(ap); |
91 | return n; |
92 | } |
93 | |
d7b6f0d1 |
94 | /** @brief vasprintf() workalike without encoding errors |
95 | * |
96 | * This acts like vasprintf() except that it does not throw an error |
97 | * if you use a string outside the current locale's encoding rules; it |
98 | * uses the memory allocation calls from @ref mem.h; and it terminates |
99 | * the program on error. |
100 | */ |
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101 | int byte_xvasprintf(char **ptrp, |
102 | const char *fmt, |
103 | va_list ap) { |
104 | int n; |
105 | |
106 | if((n = byte_vasprintf(ptrp, fmt, ap)) < 0) |
107 | fatal(errno, "error calling byte_vasprintf"); |
108 | return n; |
109 | } |
110 | |
111 | /* |
112 | Local Variables: |
113 | c-basic-offset:2 |
114 | comment-column:40 |
115 | End: |
116 | */ |