Changeset 217e398 in rtems

Timestamp:

01/17/96 20:13:01 (27 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

72c440e

Parents:

5d3e539

Message:

Modified fstat and stat to be consistent with isatty in that all three
now pretend that everything is a tty. This insures that newlib makes
the console output line buffered.

File:

• c/src/lib/libc/syscalls.c (modified) (2 diffs)

c/src/lib/libc/syscalls.c

@@ -24 +24 @@
 #include <sys/stat.h>
 
-int
-__fstat(int _fd, struct stat* _sbuf)
+/*
+ *  check this newlib bug?:
+ *
+ *  newlib/libc/stdio/makebuf.c:
+ *
+ *  2nd ifdef uses 1024 instead of BUFSIZ
+ *  2nd check lets fp blksize be 0
+ *  finally look at the malloc
+ */
+
+/*
+ *  fstat, stat, and isatty must lie consistently and report that everything
+ *  is a tty or stdout will not be line buffered.
+ */
+
+int __fstat(int _fd, struct stat* _sbuf)
 {
-  return -1;
+  _sbuf->st_mode = S_IFCHR;
+#ifdef HAVE_BLKSIZE
+  _sbuf->st_blksize = 0;
+#endif
+  return 0;
 }
 
-int
-__isatty(int _fd)
+int __isatty(int _fd)
 {
   return 1;
@@ -38 +55 @@
 int stat( const char *path, struct stat *buf )
 {
-  /* always fail */
-  return -1;
+  return __fstat( 0, buf );
 }