Commit | Line | Data |
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460b9539 | 1 | /* |
2 | * This file is part of DisOrder | |
5aff007d | 3 | * Copyright (C) 2004-2008 Richard Kettlewell |
460b9539 | 4 | * |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
460b9539 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
460b9539 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
460b9539 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
460b9539 | 17 | */ |
14ad73b9 | 18 | /** @file lib/asprintf.c @brief printf() workalikes */ |
460b9539 | 19 | |
05b75f8d | 20 | #include "common.h" |
460b9539 | 21 | |
460b9539 | 22 | #include <stdarg.h> |
23 | #include <stddef.h> | |
24 | #include <errno.h> | |
25 | ||
26 | #include "printf.h" | |
27 | #include "sink.h" | |
28 | #include "mem.h" | |
29 | #include "vector.h" | |
30 | #include "log.h" | |
31 | ||
d7b6f0d1 | 32 | /** @brief vasprintf() workalike without encoding errors |
33 | * | |
34 | * This acts like vasprintf() except that it does not throw an error | |
35 | * if you use a string outside the current locale's encoding rules, | |
36 | * and it uses the memory allocation calls from @ref mem.h. | |
37 | */ | |
460b9539 | 38 | int byte_vasprintf(char **ptrp, |
39 | const char *fmt, | |
40 | va_list ap) { | |
41 | struct dynstr d; | |
42 | int n; | |
43 | ||
44 | dynstr_init(&d); | |
45 | if((n = byte_vsinkprintf(sink_dynstr(&d), fmt, ap)) >= 0) { | |
46 | dynstr_terminate(&d); | |
47 | *ptrp = d.vec; | |
48 | } | |
49 | return n; | |
50 | } | |
51 | ||
d7b6f0d1 | 52 | /** @brief asprintf() workalike without encoding errors |
53 | * | |
54 | * This acts like asprintf() except that it does not throw an error | |
55 | * if you use a string outside the current locale's encoding rules, | |
56 | * and it uses the memory allocation calls from @ref mem.h. | |
57 | */ | |
460b9539 | 58 | int byte_asprintf(char **ptrp, |
59 | const char *fmt, | |
60 | ...) { | |
61 | int n; | |
62 | va_list ap; | |
63 | ||
64 | va_start(ap, fmt); | |
65 | n = byte_vasprintf(ptrp, fmt, ap); | |
66 | va_end(ap); | |
67 | return n; | |
68 | } | |
69 | ||
d7b6f0d1 | 70 | /** @brief asprintf() workalike without encoding errors |
71 | * | |
72 | * This acts like asprintf() except that it does not throw an error if | |
73 | * you use a string outside the current locale's encoding rules; it | |
74 | * uses the memory allocation calls from @ref mem.h; and it terminates | |
75 | * the program on error. | |
76 | */ | |
460b9539 | 77 | int byte_xasprintf(char **ptrp, |
78 | const char *fmt, | |
79 | ...) { | |
80 | int n; | |
81 | va_list ap; | |
82 | ||
83 | va_start(ap, fmt); | |
84 | n = byte_xvasprintf(ptrp, fmt, ap); | |
85 | va_end(ap); | |
86 | return n; | |
87 | } | |
88 | ||
d7b6f0d1 | 89 | /** @brief vasprintf() workalike without encoding errors |
90 | * | |
91 | * This acts like vasprintf() except that it does not throw an error | |
92 | * if you use a string outside the current locale's encoding rules; it | |
93 | * uses the memory allocation calls from @ref mem.h; and it terminates | |
94 | * the program on error. | |
95 | */ | |
460b9539 | 96 | int byte_xvasprintf(char **ptrp, |
97 | const char *fmt, | |
98 | va_list ap) { | |
99 | int n; | |
100 | ||
101 | if((n = byte_vasprintf(ptrp, fmt, ap)) < 0) | |
102 | fatal(errno, "error calling byte_vasprintf"); | |
103 | return n; | |
104 | } | |
105 | ||
106 | /* | |
107 | Local Variables: | |
108 | c-basic-offset:2 | |
109 | comment-column:40 | |
110 | End: | |
111 | */ |