12 Janvier

SCR1.2/TP11/copy.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#define SZBUF 256
+
+int main(int argc, char const *argv[]){
+	char buf[SZBUF];
+	int fs,fd,n,m;
+	if (argc<3){
+		fprintf(stderr,"Usage : %s <SRC_FILE><bSR_FILE> \r",argv[0]);
+		exit (1);
+	} fs=open (argv[1], O_RDONLY);
+	if (fs==-1){
+		perror("Opening source file fails");
+		exit(2);
+	} fd=open (argv[2], O_WRONLY|O_TRUNC|O_CREAT,0b00);
+	if (fd==-1){
+		perror("Opening destination file fails");
+		exit(3);
+	} while (n=read(fs,buf,SZBUF)){
+		m=write(fd,buf,n);
+		if (m==-1){
+			perror("Writing in file fails");
+			exit(4);
+		}
+	} close(fs);
+	close(fd);
+	exit(0);
+}

SCR1.2/TP11/store_nb_rep.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+
+#define SZBUF 256
+
+int main(int argc, char const *argv[]){
+	char buf[SZBUF];
+	int fd,n,m,x;
+	if (argc<2){
+		fprintf(stderr,"Usage : %s <bSR_FILE> \r",argv[0]);
+		exit (1);
+	} fd=open (argv[1], O_WRONLY|O_TRUNC|O_CREAT,0b00);
+	if (fd==-1){
+		perror("Opening destination file fails");
+		exit(2);
+	} write (1,"Numb --> ",9);
+	memset(buf,0,SZBUF);
+	while (n=read(0,buf,SZBUF)){
+		x=(int)strtol(buf,NULL,0);
+		m=write(fd,&x,sizeof(int));
+		if (m==-1){
+			perror("Writing in file fails");
+			exit(3);
+		}memset(buf,0,SZBUF);
+		write (1,"Numb --> ",9);
+	} close(fd);
+	exit(0);
+}

SCR1.2/TP11/store_numb.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#define SZBUF 256
+
+int main(int argc, char const *argv[]){
+	char buf[SZBUF];
+	int fd,n,m;
+	if (argc<2){
+		fprintf(stderr,"Usage : %s <bSR_FILE> \r",argv[0]);
+		exit (1);
+	} fd=open (argv[1], O_WRONLY|O_TRUNC|O_CREAT,0b00);
+	if (fd==-1){
+		perror("Opening destination file fails");
+		exit(2);
+	} write (1,"Numb --> ",9);
+	while (n=read(0,buf,SZBUF)){
+		m=write(fd,buf,n);
+		if (m==-1){
+			perror("Writing in file fails");
+			exit(3);
+		}write (1,"Numb --> ",9);
+	} close(fd);
+	exit(0);
+}