| 1 | /* |
| 2 | * Common Trace Format |
| 3 | * |
| 4 | * Strings read/write functions. |
| 5 | * |
| 6 | * Copyright (c) 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 7 | * |
| 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 |
| 21 | */ |
| 22 | |
| 23 | #include <babeltrace/ctf/types.h> |
| 24 | #include <limits.h> /* C99 limits */ |
| 25 | #include <string.h> |
| 26 | |
| 27 | void ctf_string_copy(struct stream_pos *dest, struct stream_pos *src, |
| 28 | const struct type_class_string *string_class) |
| 29 | { |
| 30 | size_t len; |
| 31 | unsigned char *destaddr, *srcaddr; |
| 32 | |
| 33 | align_pos(src, string_class->p.alignment); |
| 34 | srcaddr = get_pos_addr(src); |
| 35 | len = strlen(srcaddr) + 1; |
| 36 | if (dest->dummy) |
| 37 | goto end; |
| 38 | align_pos(dest, string_class->p.alignment); |
| 39 | destaddr = get_pos_addr(dest); |
| 40 | strcpy(destaddr, srcaddr); |
| 41 | end: |
| 42 | move_pos(dest, len); |
| 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); |
| 59 | end: |
| 60 | move_pos(src, len); |
| 61 | } |
| 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 | } |