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Respect the asked string format for stdout message passing between
[TD_IML.git]
/
TD1
/
part_two
/
exo.c
diff --git
a/TD1/part_two/exo.c
b/TD1/part_two/exo.c
index 0194d04e47ec22387c9aaa95ce3c5a13079de811..bb6f3a5e06356a96bb4f316851183edaa404fa6b 100644
(file)
--- a/
TD1/part_two/exo.c
+++ b/
TD1/part_two/exo.c
@@
-25,6
+25,7
@@
int main() {
exit(EXIT_FAILURE);
};
exit(EXIT_FAILURE);
};
+ const char* str_fmt = "[%d] Coucou papa !\n";
pid_t cpid = fork();
if (cpid == -1) {
pid_t cpid = fork();
if (cpid == -1) {
@@
-33,21
+34,16
@@
int main() {
} else if (cpid == 0) {
printf("Fils:\n");
show_proc_pids();
} else if (cpid == 0) {
printf("Fils:\n");
show_proc_pids();
- const char* msg = "Coucou papa !";
close(pipefd[0]);
close(pipefd[0]);
- write(pipefd[1],
msg, strlen(msg
));
+ write(pipefd[1],
str_fmt, strlen(str_fmt
));
close(pipefd[1]);
exit(EXIT_SUCCESS);
} else {
printf("Parent:\n");
show_proc_pids();
close(pipefd[1]);
close(pipefd[1]);
exit(EXIT_SUCCESS);
} else {
printf("Parent:\n");
show_proc_pids();
close(pipefd[1]);
-
- while (read(pipefd[0], &buf, 1) > 0) {
- write(STDOUT_FILENO, &buf, 1);
- }
-
- write(STDOUT_FILENO, "\n", 1);
+ read(pipefd[0], &buf, strlen(str_fmt));
+ printf(&buf, getpid());
close(pipefd[0]);
wait(NULL);
exit(EXIT_SUCCESS);
close(pipefd[0]);
wait(NULL);
exit(EXIT_SUCCESS);