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/* Copyright (C) 2010 Nils Carlson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
static int tap_planned = -1;
static int tap_count = 1;
static int tap_passed = 0;
static pthread_t stdout_thread;
static int pipefd[2];
static FILE *pipe_r_file;
static FILE *normal_stdout;
static void *_tap_comment_stdout(void *_unused)
{
char line[4096];
while (fgets(&line[0], 4096, pipe_r_file)) {
if (strncmp(line, "_TAP", 4)) {
fprintf(normal_stdout, "# %s", line);
} else {
fprintf(normal_stdout, "# %s", &line[4]);
}
}
pthread_exit(0);
}
static void tap_comment_stdout(void)
{
int stdout_fileno, new_stdout, result, fd;
if (pipe(pipefd) < 0) {
perror("# Failed to open pipe");
return;
}
pipe_r_file = fdopen(pipefd[0], "r");
if (!pipe_r_file) {
perror("# Couldn't create a FILE from the pipe");
goto close_pipe;
}
/* Set it before we create the reading thread */
setlinebuf(pipe_r_file);
stdout_fileno = fileno(stdout);
if (stdout_fileno < 0) {
perror("# Couldn't get fileno for stdout!?");
goto close_pipe_r_file;
}
new_stdout = dup(stdout_fileno);
if (new_stdout < 0) {
perror("# Couldn't dup stdout");
goto close_pipe_r_file;
}
normal_stdout = fdopen(new_stdout, "w");
if (!normal_stdout) {
perror("# Could create a FILE from new_stdout");
goto close_dup_stdout;
}
result = pthread_create(&stdout_thread, NULL,
_tap_comment_stdout, NULL);
if (result < 0) {
perror("# Couldn't start stdout_thread");
goto close_normal_stdout;
}
fclose(stdout);
fclose(stderr);
fd = dup(pipefd[1]);
if (fd != STDOUT_FILENO) {
fprintf(stderr, "# Failed to open a new stdout!\n");
goto close_normal_stdout;
}
stdout = fdopen(fd, "w");
if (!stdout) {
perror("Couldn't open a new stdout");
goto close_fd;
}
fd = dup(pipefd[1]);
if (fd != STDERR_FILENO) {
fprintf(stderr, "# Failed to open a new stderr!\n");
goto close_fd;
}
stderr = fdopen(fd, "w");
if (!stderr) {
perror("Couldn't open a new stderr");
goto close_fd;
}
setlinebuf(stdout);
setlinebuf(stderr);
return;
close_fd:
close(fd);
close_normal_stdout:
fclose(normal_stdout);
close_dup_stdout:
close(new_stdout);
close_pipe_r_file:
fclose(pipe_r_file);
close_pipe:
close(pipefd[0]);
close(pipefd[1]);
return;
}
void tap_plan(int count)
{
printf("1..%d\n", count);
tap_count = 1;
tap_planned = count;
tap_comment_stdout();
}
int tap_status(void)
{
if (tap_passed == tap_planned) {
return 0;
} else {
return 1;
}
}
void tap_ok(int bool, const char *format, ...)
{
va_list args;
char *ok_string = "_TAPok";
char *not_ok_string = "_TAPnot ok";
char string[4000];
va_start(args, format);
vsprintf(string, format, args);
va_end(args);
printf("%s %d - %s\n", bool ? ok_string : not_ok_string,
tap_count++, string);
if (bool)
tap_passed++;
}
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