/****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. *
+ * Copyright 2018-2020,2021 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 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 1.75 2009/05/30 19:44:43 tom Exp $")
+MODULE_ID("$Id: lib_tputs.c,v 1.107 2021/04/03 18:45:53 tom Exp $")
NCURSES_EXPORT_VAR(char) PC = 0; /* used by termcap library */
NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0; /* used by termcap library */
#endif
#if NCURSES_SP_FUNCS
-#define my_outch SP_PARM->_outch
+#define SetOutCh(func) if (SP_PARM) SP_PARM->_outch = func; else _nc_prescreen._outch = func
+#define GetOutCh() (SP_PARM ? SP_PARM->_outch : _nc_prescreen._outch)
#else
-static NCURSES_SP_OUTC my_outch = NCURSES_SP_NAME(_nc_outch);
+#define SetOutCh(func) static_outch = func
+#define GetOutCh() static_outch
+static NCURSES_SP_OUTC static_outch = NCURSES_SP_NAME(_nc_outch);
#endif
NCURSES_EXPORT(int)
NCURSES_SP_NAME(delay_output) (NCURSES_SP_DCLx int ms)
{
- T((T_CALLED("delay_output(%p,%d)"), SP_PARM, ms));
+ T((T_CALLED("delay_output(%p,%d)"), (void *) SP_PARM, ms));
if (!HasTInfoTerminal(SP_PARM))
returnCode(ERR);
NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
napms(ms);
} else {
+ NCURSES_SP_OUTC my_outch = GetOutCh();
register int nullcount;
nullcount = (ms * _nc_baudrate(ospeed)) / (BAUDBYTE * 1000);
NCURSES_EXPORT(void)
NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_DCL0)
{
- (void) fflush(NC_OUTPUT(SP_PARM));
+ T((T_CALLED("_nc_flush(%p)"), (void *) SP_PARM));
+ if (SP_PARM != 0 && SP_PARM->_ofd >= 0) {
+ TR(TRACE_CHARPUT, ("ofd:%d inuse:%lu buffer:%p",
+ SP_PARM->_ofd,
+ (unsigned long) SP_PARM->out_inuse,
+ SP_PARM->out_buffer));
+ if (SP_PARM->out_inuse) {
+ char *buf = SP_PARM->out_buffer;
+ size_t amount = SP->out_inuse;
+
+ SP->out_inuse = 0;
+ TR(TRACE_CHARPUT, ("flushing %ld/%ld bytes",
+ (unsigned long) amount, _nc_outchars));
+ while (amount) {
+ ssize_t 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 */
+ }
+ }
+ } else if (SP_PARM->out_buffer == 0) {
+ TR(TRACE_CHARPUT, ("flushing stdout"));
+ fflush(stdout);
+ }
+ } else {
+ TR(TRACE_CHARPUT, ("flushing stdout"));
+ fflush(stdout);
+ }
+ returnVoid;
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
NCURSES_SP_NAME(_nc_outch) (NCURSES_SP_DCLx int ch)
{
+ int rc = OK;
+
COUNT_OUTCHARS(1);
if (HasTInfoTerminal(SP_PARM)
- && SP_PARM->_cleanup) {
- char tmp = ch;
- /*
- * POSIX says write() is safe in a signal handler, but the
- * buffered I/O is not.
- */
- write(fileno(NC_OUTPUT(SP_PARM)), &tmp, 1);
+ && 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 {
- putc(ch, NC_OUTPUT(SP_PARM));
+ char tmp = (char) ch;
+ if (write(fileno(stdout), &tmp, (size_t) 1) == -1)
+ rc = ERR;
}
- return OK;
+ return rc;
}
#if NCURSES_SP_FUNCS
}
#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)
{
int affcnt,
NCURSES_SP_OUTC outc)
{
+ NCURSES_SP_OUTC my_outch = GetOutCh();
bool always_delay;
bool normal_delay;
int number;
#endif /* BSD_TPUTS */
#ifdef TRACE
- char addrbuf[32];
-
if (USE_TRACEF(TRACE_TPUTS)) {
- if (outc == NCURSES_SP_NAME(_nc_outch))
- (void) strcpy(addrbuf, "_nc_outch");
- else
- (void) sprintf(addrbuf, "%p", outc);
+ char addrbuf[32];
+ TR_FUNC_BFR(1);
+
+ if (outc == NCURSES_SP_NAME(_nc_outch)) {
+ _nc_STRCPY(addrbuf, "_nc_outch", sizeof(addrbuf));
+ } else {
+ _nc_SPRINTF(addrbuf, _nc_SLIMIT(sizeof(addrbuf)) "%s",
+ TR_FUNC_ARG(0, outc));
+ }
if (_nc_tputs_trace) {
_tracef("tputs(%s = %s, %d, %s) called", _nc_tputs_trace,
_nc_visbuf(string), affcnt, addrbuf);
if (!VALID_STRING(string))
return ERR;
- if (SP_PARM != 0 && SP_PARM->_term == 0) {
+ if (
+#if NCURSES_SP_FUNCS
+ (SP_PARM != 0 && SP_PARM->_term == 0)
+#else
+ cur_term == 0
+#endif
+ ) {
always_delay = FALSE;
normal_delay = TRUE;
} else {
}
#endif /* BSD_TPUTS */
- my_outch = outc; /* redirect delay_output() */
+ SetOutCh(outc); /* redirect delay_output() */
while (*string) {
if (*string != '$')
(*outc) (NCURSES_SP_ARGx *string);
*/
if (trailpad > 0
&& (always_delay || normal_delay))
- delay_output(trailpad / 10);
+ NCURSES_SP_NAME(delay_output) (NCURSES_SP_ARGx trailpad / 10);
#endif /* BSD_TPUTS */
- my_outch = NCURSES_SP_NAME(_nc_outch);
+ SetOutCh(my_outch);
return OK;
}
_nc_outc_wrapper(SCREEN *sp, int c)
{
if (0 == sp) {
- return (ERR);
+ return fputc(c, stdout);
} else {
return sp->jump(c);
}
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