Commit | Line | Data |
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6dc2ca62 MD |
1 | /* |
2 | * Common Trace Format | |
3 | * | |
4 | * Strings read/write functions. | |
5 | * | |
de0ba614 | 6 | * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
6dc2ca62 | 7 | * |
de0ba614 MD |
8 | * This library is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
12 | * | |
13 | * This library is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with this library; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
6dc2ca62 MD |
21 | */ |
22 | ||
d79865b9 | 23 | #include <babeltrace/ctf/types.h> |
a3dbc794 | 24 | #include <limits.h> /* C99 limits */ |
6dc2ca62 MD |
25 | #include <string.h> |
26 | ||
bed864a7 MD |
27 | void ctf_string_copy(struct stream_pos *dest, struct stream_pos *src, |
28 | const struct type_class_string *string_class) | |
6dc2ca62 | 29 | { |
bed864a7 MD |
30 | size_t len; |
31 | unsigned char *destaddr, *srcaddr; | |
6dc2ca62 | 32 | |
bed864a7 MD |
33 | align_pos(src, string_class->p.alignment); |
34 | srcaddr = get_pos_addr(src); | |
35 | len = strlen(srcaddr) + 1; | |
a52d7f6a | 36 | if (dest->dummy) |
6dc2ca62 | 37 | goto end; |
bed864a7 MD |
38 | align_pos(dest, string_class->p.alignment); |
39 | destaddr = get_pos_addr(dest); | |
a52d7f6a MD |
40 | strcpy(destaddr, srcaddr); |
41 | end: | |
bed864a7 | 42 | move_pos(dest, len); |
a52d7f6a MD |
43 | move_pos(src, len); |
44 | } | |
45 | ||
46 | void ctf_string_read(unsigned char **dest, struct stream_pos *src, | |
47 | const struct type_class_string *string_class) | |
48 | { | |
49 | size_t len; | |
50 | unsigned char *srcaddr; | |
51 | ||
52 | align_pos(src, string_class->p.alignment); | |
53 | srcaddr = get_pos_addr(src); | |
54 | len = strlen(srcaddr) + 1; | |
55 | if (dest->dummy) | |
56 | goto end; | |
57 | *dest = g_realloc(*dest, len); | |
58 | strcpy(dest, srcaddr); | |
6dc2ca62 | 59 | end: |
bed864a7 | 60 | move_pos(src, len); |
6dc2ca62 | 61 | } |
a52d7f6a MD |
62 | |
63 | void ctf_string_write(struct stream_pos *dest, const unsigned char *src, | |
64 | const struct type_class_string *string_class) | |
65 | { | |
66 | size_t len; | |
67 | unsigned char *destaddr; | |
68 | ||
69 | align_pos(dest, string_class->p.alignment); | |
70 | len = strlen(src) + 1; | |
71 | if (dest->dummy) | |
72 | goto end; | |
73 | destaddr = get_pos_addr(dest); | |
74 | strcpy(destaddr, src); | |
75 | end: | |
76 | move_pos(dest, len); | |
77 | } | |
78 | ||
79 | void ctf_string_free_temp(unsigned char *string) | |
80 | { | |
81 | g_free(string); | |
82 | } |