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48beefc9 NC |
1 | /* Copyright (C) 2010 Nils Carlson |
2 | * | |
3 | * This library is free software; you can redistribute it and/or | |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public | |
14 | * License along with this library; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | #include <pthread.h> | |
18 | #include <stdarg.h> | |
19 | #include <stdio.h> | |
20 | #include <unistd.h> | |
21 | ||
22 | static int tap_planned = -1; | |
23 | static int tap_count = 1; | |
24 | static int tap_passed = 0; | |
25 | ||
26 | static pthread_t stdout_thread; | |
27 | static int pipefd[2]; | |
28 | static FILE *pipe_r_file; | |
29 | static FILE *normal_stdout; | |
30 | ||
31 | static void *_tap_comment_stdout(void *_unused) | |
32 | { | |
33 | char line[4096]; | |
34 | ||
35 | while (fgets(&line[0], 4096, pipe_r_file)) { | |
36 | if (strncmp(line, "_TAP", 4)) { | |
37 | fprintf(normal_stdout, "# %s", line); | |
38 | } else { | |
39 | fprintf(normal_stdout, &line[4]); | |
40 | } | |
41 | } | |
42 | pthread_exit(0); | |
43 | } | |
44 | ||
45 | static void tap_comment_stdout(void) | |
46 | { | |
47 | int stdout_fileno, new_stdout, result, fd; | |
48 | ||
49 | if (pipe(pipefd) < 0) { | |
50 | perror("# Failed to open pipe"); | |
51 | return; | |
52 | } | |
53 | ||
54 | pipe_r_file = fdopen(pipefd[0], "r"); | |
55 | if (!pipe_r_file) { | |
56 | perror("# Couldn't create a FILE from the pipe"); | |
57 | goto close_pipe; | |
58 | } | |
59 | ||
60 | stdout_fileno = fileno(stdout); | |
61 | if (stdout_fileno < 0) { | |
62 | perror("# Couldn't get fileno for stdout!?"); | |
63 | goto close_pipe_r_file; | |
64 | } | |
65 | ||
66 | new_stdout = dup(stdout_fileno); | |
67 | if (new_stdout < 0) { | |
68 | perror("# Couldn't dup stdout"); | |
69 | goto close_pipe_r_file; | |
70 | } | |
71 | ||
72 | normal_stdout = fdopen(new_stdout, "w"); | |
73 | if (!normal_stdout) { | |
74 | perror("# Could create a FILE from new_stdout"); | |
75 | goto close_dup_stdout; | |
76 | } | |
77 | ||
78 | result = pthread_create(&stdout_thread, NULL, | |
79 | _tap_comment_stdout, NULL); | |
80 | if (result < 0) { | |
81 | perror("# Couldn't start stdout_thread"); | |
82 | goto close_normal_stdout; | |
83 | } | |
84 | ||
85 | fclose(stdout); | |
86 | fclose(stderr); | |
87 | ||
88 | fd = dup(pipefd[1]); | |
89 | if (fd != STDOUT_FILENO) { | |
90 | fprintf(stderr, "# Failed to open a new stdout!\n"); | |
91 | goto close_normal_stdout; | |
92 | } | |
93 | ||
94 | stdout = fdopen(fd, "w"); | |
95 | if (!stdout) { | |
96 | perror("Couldn't open a new stdout"); | |
97 | goto close_fd; | |
98 | } | |
99 | ||
100 | fd = dup(pipefd[1]); | |
101 | if (fd != STDERR_FILENO) { | |
102 | fprintf(stderr, "# Failed to open a new stderr!\n"); | |
103 | goto close_fd; | |
104 | } | |
105 | ||
106 | stderr = fdopen(fd, "w"); | |
107 | if (!stderr) { | |
108 | perror("Couldn't open a new stderr"); | |
109 | goto close_fd; | |
110 | } | |
111 | ||
112 | setlinebuf(stdout); | |
113 | setlinebuf(stderr); | |
114 | setlinebuf(pipe_r_file); | |
115 | ||
116 | return; | |
117 | ||
118 | close_fd: | |
119 | close(fd); | |
120 | ||
121 | close_normal_stdout: | |
122 | fclose(normal_stdout); | |
123 | ||
124 | close_dup_stdout: | |
125 | close(new_stdout); | |
126 | ||
127 | close_pipe_r_file: | |
128 | fclose(pipe_r_file); | |
129 | ||
130 | close_pipe: | |
131 | close(pipefd[0]); | |
132 | close(pipefd[1]); | |
133 | ||
134 | return; | |
135 | } | |
136 | ||
137 | void tap_plan(int count) | |
138 | { | |
139 | printf("1..%d\n", count); | |
140 | ||
141 | tap_count = 1; | |
142 | tap_planned = count; | |
143 | ||
144 | tap_comment_stdout(); | |
145 | ||
146 | } | |
147 | ||
148 | int tap_status(void) | |
149 | { | |
150 | if (tap_passed == tap_planned) { | |
151 | return 0; | |
152 | } else { | |
153 | return 1; | |
154 | } | |
155 | } | |
156 | ||
157 | void tap_ok(int bool, const char *format, ...) | |
158 | { | |
159 | va_list args; | |
160 | char *ok_string = "_TAPok"; | |
161 | char *not_ok_string = "_TAPnot ok"; | |
162 | char string[4000]; | |
163 | ||
164 | va_start(args, format); | |
165 | vsprintf(string, format, args); | |
166 | va_end(args); | |
167 | ||
168 | printf("%s %d - %s\n", bool ? ok_string : not_ok_string, | |
169 | tap_count++, string); | |
170 | ||
171 | if (bool) | |
172 | tap_passed++; | |
173 | } |