From d96c42c3c93c4438fb0f2f908e5c10913eb1e503 Mon Sep 17 00:00:00 2001
From: Philippe Pittoli <kane.root@gmail.com>
Date: Mon, 7 Feb 2011 21:50:49 +0100
Subject: [PATCH] =?UTF-8?q?Ajout=20du=20script=20'apres.c'=20qui=20permet?=
 =?UTF-8?q?=20de=20lancer=20une=20commande=20en=20diff=C3=A9r=C3=A9,=20r?=
 =?UTF-8?q?=C3=A9sultat=20dans=20nohup.out?=
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Content-Transfer-Encoding: 8bit

---
 apres.c      | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 mini_shell.c | 17 +++++++++++++++++
 supprime.c   | 39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 102 insertions(+)
 create mode 100644 apres.c
 create mode 100644 mini_shell.c
 create mode 100644 supprime.c

diff --git a/apres.c b/apres.c
new file mode 100644
index 0000000..c2b93d7
--- /dev/null
+++ b/apres.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/signal.h>
+
+void erreur(char *s);
+void suite(int n){};
+
+int main(int argc, char ** argv)
+{
+	int temp, fd0, fd1, fd2, pid;
+	if((fd0 = open("/dev/null", O_RDONLY)) == -1) erreur("Ouverture fichier null");
+	if((fd1 = open("nohup.out", O_WRONLY | O_CREAT | O_TRUNC, 0666)) == -1 ) erreur("Ouverture fichier nohup.out");
+	if((fd2 = open("nohup.err", O_WRONLY | O_CREAT | O_TRUNC, 0666)) == -1 ) erreur("Ouverture fichier nohup.err");
+
+	pid = fork();
+
+	if(pid == 0)
+	{
+		signal(SIGHUP, SIG_IGN);
+		signal(SIGINT, SIG_IGN);
+		signal(SIGQUIT, SIG_IGN);
+
+		close(0); dup(fd0);
+		close(1); dup(fd1);
+		close(2); dup(fd2);
+
+		temp = atoi(argv[1]);
+
+		signal(SIGALRM, suite);
+		alarm(temp);
+		pause();
+		execvp(argv[2], argv + 2);
+		erreur("Le programme n'a pas fonctionné correctement");
+		exit(-1);
+	}
+	printf("PID fils : %d\n", pid);
+}
+void erreur(char *s)
+{
+	perror(s);
+	exit(-2);
+}
diff --git a/mini_shell.c b/mini_shell.c
new file mode 100644
index 0000000..d524330
--- /dev/null
+++ b/mini_shell.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+int main(int argc, char **argv)
+{
+}
+void lire(char** arg1, char** arg2, char** arg3) 
+{
+	char *s;
+
+	s = lireChaine3();
+
+	*arg1 = strtok(s," ");
+	*arg2 = strtok((char *)0," ");
+	*arg3 = strtok((char *)0," ");
+}
diff --git a/supprime.c b/supprime.c
new file mode 100644
index 0000000..b10f60c
--- /dev/null
+++ b/supprime.c
@@ -0,0 +1,39 @@
+// THIS DOESN'T WORK
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+void supprime(char *s, char c);
+int main(int argc, char **argv)
+{
+	char * chaine = "Salut tout le monde";
+	char c = 'u';
+	supprime(chaine, c);
+	printf("%s\t\t%c\n", chaine, c);
+	exit(0);
+}
+
+void supprime(char *s, char c)
+{
+	char * save = s;
+	while(*s)
+	{
+		if(*s == c)
+		{
+			printf("On a une correspondance\n");
+			while(*s && *(s + 1) != '\0')
+			{
+				*s = *(s + 1);
+				s++;
+			}
+			printf("Fin de la boucle : %s", s);
+			*s = '\0';
+			s = save;
+		}
+		else
+		{
+			s++;
+		}
+		save = s;
+	}
+}