tap-driver.sh: flush stdout after each test result
[babeltrace.git] / plugins / ctf / fs-src / file.c
CommitLineData
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PP
1/*
2 * Copyright 2016 - Philippe Proulx <pproulx@efficios.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#include <stdio.h>
24#include <sys/types.h>
25#include <sys/stat.h>
26#include <unistd.h>
27#include <glib.h>
56a1cced 28#include "file.h"
e98a2d6e 29
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30#define BT_LOG_TAG "PLUGIN-CTF-FS-FILE-SRC"
31#include "logging.h"
32
e7a4393b 33BT_HIDDEN
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34void ctf_fs_file_destroy(struct ctf_fs_file *file)
35{
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PP
36 if (!file) {
37 return;
38 }
39
40 if (file->fp) {
55314f2a 41 BT_LOGD("Closing file \"%s\" (%p)",
dcbaa1ca 42 file->path ? file->path->str : NULL, file->fp);
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43
44 if (fclose(file->fp)) {
55314f2a 45 BT_LOGE("Cannot close file \"%s\": %s",
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46 file->path ? file->path->str : "NULL",
47 strerror(errno));
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48 }
49 }
50
51 if (file->path) {
52 g_string_free(file->path, TRUE);
53 }
54
55 g_free(file);
56}
57
e7a4393b 58BT_HIDDEN
55314f2a 59struct ctf_fs_file *ctf_fs_file_create(void)
e98a2d6e
PP
60{
61 struct ctf_fs_file *file = g_new0(struct ctf_fs_file, 1);
62
63 if (!file) {
64 goto error;
65 }
66
e98a2d6e
PP
67 file->path = g_string_new(NULL);
68 if (!file->path) {
69 goto error;
70 }
71
72 goto end;
73
74error:
75 ctf_fs_file_destroy(file);
76 file = NULL;
77
78end:
79 return file;
80}
81
e7a4393b 82BT_HIDDEN
55314f2a 83int ctf_fs_file_open(struct ctf_fs_file *file, const char *mode)
e98a2d6e
PP
84{
85 int ret = 0;
86 struct stat stat;
87
55314f2a 88 BT_LOGD("Opening file \"%s\" with mode \"%s\"", file->path->str, mode);
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PP
89 file->fp = fopen(file->path->str, mode);
90 if (!file->fp) {
55314f2a 91 BT_LOGE("Cannot open file \"%s\" with mode \"%s\": %s",
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92 file->path->str, mode, strerror(errno));
93 goto error;
94 }
95
55314f2a 96 BT_LOGD("Opened file: %p", file->fp);
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97
98 if (fstat(fileno(file->fp), &stat)) {
e07ab7c8 99 BT_LOGE("Cannot get file information: %s", strerror(errno));
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100 goto error;
101 }
102
103 file->size = stat.st_size;
1974687e 104 BT_LOGD("File is %jd bytes", (intmax_t) file->size);
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105 goto end;
106
107error:
108 ret = -1;
109
110 if (file->fp) {
111 if (fclose(file->fp)) {
55314f2a 112 BT_LOGE("Cannot close file \"%s\": %s", file->path->str,
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PP
113 strerror(errno));
114 }
115 }
116
117end:
118 return ret;
119}
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