Changeset 58daded in mainline

Timestamp:

2018-07-16T09:13:43Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

802a8c8

Parents:

0245896

git-author:

Jiri Svoboda <jiri@…> (2018-07-16 06:12:46)

git-committer:

Jiri Svoboda <jiri@…> (2018-07-16 09:13:43)

Message:

setvbuf should return an integer.

Location:

uspace/lib/c

Files:

• generic/io/io.c (modified) (2 diffs)
• include/stdio.h (modified) (1 diff)

uspace/lib/c/generic/io/io.c

@@ -242 +242 @@
 
 /** Set stream buffer. */
-void setvbuf(FILE *stream, void *buf, int mode, size_t size)
-{
+int setvbuf(FILE *stream, void *buf, int mode, size_t size)
+{
+        if (mode != _IONBF && mode != _IOLBF && mode != _IOFBF)
+                return -1;
+
         stream->btype = mode;
         stream->buf = buf;
@@ -250 +253 @@
         stream->buf_tail = stream->buf;
         stream->buf_state = _bs_empty;
+
+        return 0;
 }
 

uspace/lib/c/include/stdio.h

@@ -170 +170 @@
 extern void perror(const char *);
 
-extern void setvbuf(FILE *, void *, int, size_t);
+extern int setvbuf(FILE *, void *, int, size_t);
 extern void setbuf(FILE *, void *);