Commit | Line | Data |
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6dc2ca62 MD |
1 | /* |
2 | * Common Trace Format | |
3 | * | |
4 | * Strings read/write functions. | |
5 | * | |
ccd7e1c8 | 6 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
6dc2ca62 | 7 | * |
ccd7e1c8 MD |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
de0ba614 | 14 | * |
ccd7e1c8 MD |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
6dc2ca62 MD |
17 | */ |
18 | ||
d79865b9 | 19 | #include <babeltrace/ctf/types.h> |
a3dbc794 | 20 | #include <limits.h> /* C99 limits */ |
6dc2ca62 MD |
21 | #include <string.h> |
22 | ||
bed864a7 MD |
23 | void ctf_string_copy(struct stream_pos *dest, struct stream_pos *src, |
24 | const struct type_class_string *string_class) | |
6dc2ca62 | 25 | { |
bed864a7 MD |
26 | size_t len; |
27 | unsigned char *destaddr, *srcaddr; | |
6dc2ca62 | 28 | |
bed864a7 MD |
29 | align_pos(src, string_class->p.alignment); |
30 | srcaddr = get_pos_addr(src); | |
31 | len = strlen(srcaddr) + 1; | |
a52d7f6a | 32 | if (dest->dummy) |
6dc2ca62 | 33 | goto end; |
bed864a7 MD |
34 | align_pos(dest, string_class->p.alignment); |
35 | destaddr = get_pos_addr(dest); | |
a52d7f6a MD |
36 | strcpy(destaddr, srcaddr); |
37 | end: | |
bed864a7 | 38 | move_pos(dest, len); |
a52d7f6a MD |
39 | move_pos(src, len); |
40 | } | |
41 | ||
42 | void ctf_string_read(unsigned char **dest, struct stream_pos *src, | |
43 | const struct type_class_string *string_class) | |
44 | { | |
45 | size_t len; | |
46 | unsigned char *srcaddr; | |
47 | ||
48 | align_pos(src, string_class->p.alignment); | |
49 | srcaddr = get_pos_addr(src); | |
50 | len = strlen(srcaddr) + 1; | |
a52d7f6a | 51 | *dest = g_realloc(*dest, len); |
4c8bfb7e | 52 | strcpy(*dest, srcaddr); |
6dc2ca62 | 53 | end: |
bed864a7 | 54 | move_pos(src, len); |
6dc2ca62 | 55 | } |
a52d7f6a MD |
56 | |
57 | void ctf_string_write(struct stream_pos *dest, const unsigned char *src, | |
58 | const struct type_class_string *string_class) | |
59 | { | |
60 | size_t len; | |
61 | unsigned char *destaddr; | |
62 | ||
63 | align_pos(dest, string_class->p.alignment); | |
64 | len = strlen(src) + 1; | |
65 | if (dest->dummy) | |
66 | goto end; | |
67 | destaddr = get_pos_addr(dest); | |
68 | strcpy(destaddr, src); | |
69 | end: | |
70 | move_pos(dest, len); | |
71 | } | |
72 | ||
73 | void ctf_string_free_temp(unsigned char *string) | |
74 | { | |
75 | g_free(string); | |
76 | } |