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Diffstat (limited to 'contrib/ncurses/ncurses/tinfo/setbuf.c')
-rw-r--r--contrib/ncurses/ncurses/tinfo/setbuf.c58
1 files changed, 32 insertions, 26 deletions
diff --git a/contrib/ncurses/ncurses/tinfo/setbuf.c b/contrib/ncurses/ncurses/tinfo/setbuf.c
index 6d0201bfb2aa..94bb6d3463c5 100644
--- a/contrib/ncurses/ncurses/tinfo/setbuf.c
+++ b/contrib/ncurses/ncurses/tinfo/setbuf.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2000,2003 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
@@ -40,7 +40,7 @@
#include <curses.priv.h>
-MODULE_ID("$Id: setbuf.c,v 1.7 2000/12/10 02:55:08 tom Exp $")
+MODULE_ID("$Id: setbuf.c,v 1.12 2003/11/15 23:55:34 tom Exp $")
/*
* If the output file descriptor is connected to a tty (the typical case) it
@@ -98,47 +98,53 @@ MODULE_ID("$Id: setbuf.c,v 1.7 2000/12/10 02:55:08 tom Exp $")
* buffer. So we disable this by default (there may yet be a workaround).
*/
NCURSES_EXPORT(void)
-_nc_set_buffer(FILE * ofp, bool buffered)
+_nc_set_buffer(FILE *ofp, bool buffered)
{
/* optional optimization hack -- do before any output to ofp */
#if HAVE_SETVBUF || HAVE_SETBUFFER
- unsigned buf_len;
- char *buf_ptr;
+ if (SP->_buffered != (int)buffered) {
+ unsigned buf_len;
+ char *buf_ptr;
- if (getenv("NCURSES_NO_SETBUF") != 0)
- return;
+ if (getenv("NCURSES_NO_SETBUF") != 0)
+ return;
- fflush(ofp);
- if ((SP->_buffered = buffered) != 0) {
- buf_len = min(LINES * (COLS + 6), 2800);
- if ((buf_ptr = SP->_setbuf) == 0) {
- if ((buf_ptr = typeMalloc(char, buf_len)) == NULL)
- return;
- SP->_setbuf = buf_ptr;
- /* Don't try to free this! */
- }
+ fflush(ofp);
+#ifdef __DJGPP__
+ setmode(ofp, O_BINARY);
+#endif
+ if (buffered != 0) {
+ buf_len = min(LINES * (COLS + 6), 2800);
+ if ((buf_ptr = SP->_setbuf) == 0) {
+ if ((buf_ptr = typeMalloc(char, buf_len)) == NULL)
+ return;
+ SP->_setbuf = buf_ptr;
+ /* Don't try to free this! */
+ }
#if !USE_SETBUF_0
- else
- return;
+ else
+ return;
#endif
- } else {
+ } else {
#if !USE_SETBUF_0
- return;
+ return;
#else
- buf_len = 0;
- buf_ptr = 0;
+ buf_len = 0;
+ buf_ptr = 0;
#endif
- }
+ }
#if HAVE_SETVBUF
#ifdef SETVBUF_REVERSED /* pre-svr3? */
- (void) setvbuf(ofp, buf_ptr, buf_len, buf_len ? _IOFBF : _IOLBF);
+ (void) setvbuf(ofp, buf_ptr, buf_len, buf_len ? _IOFBF : _IOLBF);
#else
- (void) setvbuf(ofp, buf_ptr, buf_len ? _IOFBF : _IOLBF, buf_len);
+ (void) setvbuf(ofp, buf_ptr, buf_len ? _IOFBF : _IOLBF, buf_len);
#endif
#elif HAVE_SETBUFFER
- (void) setbuffer(ofp, buf_ptr, (int) buf_len);
+ (void) setbuffer(ofp, buf_ptr, (int) buf_len);
#endif
+ SP->_buffered = buffered;
+ }
#endif /* HAVE_SETVBUF || HAVE_SETBUFFER */
}