X-Git-Url: https://gapil.gnulinux.it/gitweb/?p=gapil.git;a=blobdiff_plain;f=listati%2Fsplicecp.c;h=52449e68a92c165b73c667b29411fd4e8293d0d3;hp=28a6705df7122c82d9f163ff69d2283cf883eb44;hb=8e03e6dab3729b15c924991f2f4a59079d7e53d7;hpb=154622c3382b558d8c0b7984ee76d96d09d44c71

diff --git a/listati/splicecp.c b/listati/splicecp.c
index 28a6705..52449e6 100644
--- a/listati/splicecp.c
+++ b/listati/splicecp.c
@@ -9,26 +9,6 @@ int main(int argc, char *argv[])
     int in_fd, out_fd;
     int nread, nwrite;
     ...
-   /* Main body */
-    if ((argc - optind) != 2) { /* There must two argument */
-        printf("Wrong number of arguments %d\n", argc - optind);
-        usage();
-    }
-    /* open pipe, input and output file */
-    in_fd = open(argv[optind], O_RDONLY);
-    if (in_fd < 0) {
-	printf("Input error %s on %s\n", strerror(errno), argv[optind]);
-	exit(EXIT_FAILURE); 
-    }
-    out_fd = open(argv[optind+1], O_CREAT|O_RDWR|O_TRUNC, 0644);
-    if (out_fd < 0) {
-	printf("Cannot open %s, error %s\n", argv[optind+1], strerror(errno));
-	exit(EXIT_FAILURE); 
-    }
-    if (pipe(pipefd) == -1) {
-	perror("Cannot create buffer pipe"); 
-	exit(EXIT_FAILURE); 
-    }
     /* copy loop */
     while (1) {
 	nread = splice(in_fd, NULL, pipefd[1], NULL, size, 
@@ -42,10 +22,9 @@ int main(int argc, char *argv[])
 		exit(EXIT_FAILURE);
 	    } 
 	}
-	do {
+	while (nread > 0) {
 	    nwrite = splice(pipefd[0], NULL, out_fd, NULL, nread, 
 			    SPLICE_F_MOVE|SPLICE_F_MORE);
-	    if (nwrite == 0) continue;
 	    if (nwrite < 0) {
 		if (errno == EINTR)
 		    continue;
@@ -55,7 +34,7 @@ int main(int argc, char *argv[])
 		}
 	    }
 	    nread -= nwrite;
-	} while (nread);
+	}
     }
     return EXIT_SUCCESS;
 }