/****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2013,2015 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 *
#include <termcap.h> /* ospeed */
#include <tic.h>
-MODULE_ID("$Id: lib_tputs.c,v 1.84 2012/02/22 22:40:24 tom Exp $")
+MODULE_ID("$Id: lib_tputs.c,v 1.96 2015/01/03 23:51:23 tom Exp $")
NCURSES_EXPORT_VAR(char) PC = 0; /* used by termcap library */
NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0; /* used by termcap library */
NCURSES_EXPORT(void)
NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_DCL0)
{
- (void) fflush(NC_OUTPUT(SP_PARM));
+ if (SP_PARM != 0 && SP_PARM->_ofd >= 0) {
+ if (SP_PARM->out_inuse) {
+ char *buf = SP_PARM->out_buffer;
+ size_t amount = SP->out_inuse;
+ ssize_t res;
+
+ SP->out_inuse = 0;
+ while (amount) {
+ res = write(SP_PARM->_ofd, buf, amount);
+
+ if (res > 0) {
+ /* if the write was incomplete, try again */
+ amount -= (size_t) res;
+ buf += res;
+ } else if (errno == EAGAIN) {
+ continue;
+ } else if (errno == EINTR) {
+ continue;
+ } else {
+ break; /* an error we can not recover from */
+ }
+ }
+ }
+ }
}
#if NCURSES_SP_FUNCS
COUNT_OUTCHARS(1);
if (HasTInfoTerminal(SP_PARM)
- && SP_PARM != 0
- && SP_PARM->_cleanup) {
- char tmp = (char) ch;
- /*
- * POSIX says write() is safe in a signal handler, but the
- * buffered I/O is not.
- */
- if (write(fileno(NC_OUTPUT(SP_PARM)), &tmp, (size_t) 1) == -1)
- rc = ERR;
+ && SP_PARM != 0) {
+ if (SP_PARM->out_buffer != 0) {
+ if (SP_PARM->out_inuse + 1 >= SP_PARM->out_limit)
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+ SP_PARM->out_buffer[SP_PARM->out_inuse++] = (char) ch;
+ } else {
+ char tmp = (char) ch;
+ /*
+ * POSIX says write() is safe in a signal handler, but the
+ * buffered I/O is not.
+ */
+ if (write(fileno(NC_OUTPUT(SP_PARM)), &tmp, (size_t) 1) == -1)
+ rc = ERR;
+ }
} else {
- if (putc(ch, NC_OUTPUT(SP_PARM)) == EOF)
+ char tmp = (char) ch;
+ if (write(fileno(stdout), &tmp, (size_t) 1) == -1)
rc = ERR;
}
return rc;
}
#endif
+/*
+ * This is used for the putp special case.
+ */
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(_nc_putchar) (NCURSES_SP_DCLx int ch)
+{
+ (void) SP_PARM;
+ return putchar(ch);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+_nc_putchar(int ch)
+{
+ return putchar(ch);
+}
+#endif
+
+/*
+ * putp is special - per documentation it calls tputs with putchar as the
+ * parameter for outputting characters. This means that it uses stdio, which
+ * is not signal-safe. Applications call this entrypoint; we do not call it
+ * from within the library.
+ */
NCURSES_EXPORT(int)
NCURSES_SP_NAME(putp) (NCURSES_SP_DCLx const char *string)
{
return NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
- string, 1, NCURSES_SP_NAME(_nc_outch));
+ string, 1, NCURSES_SP_NAME(_nc_putchar));
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+putp(const char *string)
+{
+ return NCURSES_SP_NAME(putp) (CURRENT_SCREEN, string);
}
+#endif
+/*
+ * Use these entrypoints rather than "putp" within the library.
+ */
NCURSES_EXPORT(int)
NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_DCLx
const char *name GCC_UNUSED,
if (string != 0) {
TPUTS_TRACE(name);
- rc = NCURSES_SP_NAME(putp) (NCURSES_SP_ARGx string);
+ rc = NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
+ string, 1, NCURSES_SP_NAME(_nc_outch));
}
return rc;
}
#if NCURSES_SP_FUNCS
-NCURSES_EXPORT(int)
-putp(const char *string)
-{
- return NCURSES_SP_NAME(putp) (CURRENT_SCREEN, string);
-}
-
NCURSES_EXPORT(int)
_nc_putp(const char *name, const char *string)
{