Changeset 6afc9d7 in mainline for uspace/lib/posix/source/stdio.c

Timestamp:

2015-10-06T19:01:36Z (9 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

0328987

Parents:

f1f7584

Message:

UNIX-like I/O functions should use errno to return error code for many reasons.

File:

• uspace/lib/posix/source/stdio.c (modified) (4 diffs)

uspace/lib/posix/source/stdio.c

@@ -315 +315 @@
 int posix_fflush(FILE *stream)
 {
-        int rc = fflush(stream);
-        if (rc < 0) {
-                errno = -rc;
-                return EOF;
-        } else {
-                return 0;
-        }
+        return negerrno(fflush, stream);
 }
 
@@ -351 +345 @@
 {
         ssize_t wr = write(*(int *) fd, str, size);
+        if (wr < 0)
+                return errno;
         return str_nlength(str, wr);
 }
@@ -579 +575 @@
 int posix_remove(const char *path)
 {
-        struct stat st;
-        int rc = stat(path, &st);
-        
-        if (rc != EOK) {
-                errno = -rc;
-                return -1;
-        }
-        
-        if (st.is_directory) {
-                rc = rmdir(path);
-        } else {
-                rc = unlink(path);
-        }
-        
-        if (rc != EOK) {
-                errno = -rc;
-                return -1;
-        }
-        return 0;
+        return negerrno(remove, path);
 }
 
@@ -609 +587 @@
 int posix_rename(const char *old, const char *new)
 {
-        return errnify(rename, old, new);
+        return negerrno(rename, old, new);
 }