X-Git-Url: https://git.piment-noir.org/?p=TD_IML.git;a=blobdiff_plain;f=TD2%2Fexercise3%2Fexercise.c;fp=TD2%2Fexercise3%2Fexercise.c;h=c4e9e4102b0445357a0edacbc31da488abedac5a;hp=0000000000000000000000000000000000000000;hb=000bb88ff53b62a983a73e75b6e19dea79d63981;hpb=80b1633cbdb86828624f8b84399e10b340b398c6

diff --git a/TD2/exercise3/exercise.c b/TD2/exercise3/exercise.c
new file mode 100644
index 0000000..c4e9e41
--- /dev/null
+++ b/TD2/exercise3/exercise.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int main() {
+    int pipefd[2];
+    char tmpbuf;
+
+    if (pipe(pipefd) == -1) {
+        perror("Pipe creation failure\n");
+        exit(EXIT_FAILURE);
+    };
+
+    pid_t cpid = fork();
+
+    if (cpid == -1) {
+        perror("fork failure\n");
+        exit(EXIT_FAILURE);
+    } else if (cpid == 0) {
+        close(pipefd[0]);
+        dup2(pipefd[1], STDOUT_FILENO);
+        printf("[%d] Hey Jude\n", getpid());
+        //execl("/bin/ls", "ls", (char*)NULL);
+        close(pipefd[1]);
+        exit(EXIT_SUCCESS);
+    } else {
+        close(pipefd[1]);
+        printf("[%d] REDIRECTION: \n", getpid());
+        while (read(pipefd[0], &tmpbuf, 1) > 0) {
+            write(STDOUT_FILENO, &tmpbuf, 1);
+        }
+        close(pipefd[0]);
+        wait(NULL);
+    }
+
+    return EXIT_SUCCESS;
+}