Changeset 3fb0fec in mainline for uspace/app/bdsh/cmds/modules/cp/cp.c

Timestamp:

2011-07-26T18:29:44Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7eb0fed8

Parents:

efcebe1 (diff), aa865ee (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

File:

• uspace/app/bdsh/cmds/modules/cp/cp.c (modified) (2 diffs)

uspace/app/bdsh/cmds/modules/cp/cp.c

@@ -71 +71 @@
         size_t blen, int vb)
 {
-        int fd1, fd2, bytes = 0;
-        off64_t total = 0;
+        int fd1, fd2, bytes;
+        off64_t total;
         int64_t copied = 0;
         char *buff = NULL;
@@ -104 +104 @@
         }
 
-        for (;;) {
-                ssize_t res;
-                size_t written = 0;
-
-                bytes = read(fd1, buff, blen);
-                if (bytes <= 0)
+        while ((bytes = read_all(fd1, buff, blen)) > 0) {
+                if ((bytes = write_all(fd2, buff, bytes)) < 0)
                         break;
                 copied += bytes;
-                res = bytes;
-                do {
-                        /*
-                         * Theoretically, it may not be enough to call write()
-                         * only once. Also the previous read() may have
-                         * returned less data than requested.
-                         */
-                        bytes = write(fd2, buff + written, res);
-                        if (bytes < 0)
-                                goto err;
-                        written += bytes;
-                        res -= bytes;
-                } while (res > 0);
-
-                /* TODO: re-insert assert() once this is stand alone,
-                 * removed as abort() exits the entire shell
-                 */
-                if (res != 0) {
-                        printf("\n%zd more bytes than actually exist were copied\n", res);
-                        goto err;
-                }
         }
 
         if (bytes < 0) {
-err:
                 printf("\nError copying %s, (%d)\n", src, bytes);
                 copied = bytes;