ncurses 5.9 - patch 20121229

[ncurses.git] / ncurses / tinfo / lib_tputs.c

diff --git a/ncurses/tinfo/lib_tputs.c b/ncurses/tinfo/lib_tputs.c
index 0bea1b7840a3e366473f50d59ae2773b84bab138..586f2cd0ca5a2d8990bf40d2fcf0feadd7ccd2df 100644 (file)
--- a/ncurses/tinfo/lib_tputs.c
+++ b/ncurses/tinfo/lib_tputs.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2011,2012 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            *
@@ -51,7 +51,7 @@
 #include <termcap.h>           /* ospeed */
 #include <tic.h>
 
-MODULE_ID("$Id: lib_tputs.c,v 1.74 2009/05/23 23:56:23 tom Exp $")
+MODULE_ID("$Id: lib_tputs.c,v 1.88 2012/12/08 20:01:20 tom Exp $")
 
 NCURSES_EXPORT_VAR(char) PC = 0;              /* used by termcap library */
 NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0;        /* used by termcap library */
@@ -75,20 +75,27 @@ _nc_set_no_padding(SCREEN *sp)
 #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);
 
     if (no_pad_char) {
        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);
@@ -112,7 +119,17 @@ delay_output(int ms)
 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) {
+           size_t amount = SP->out_inuse;
+           /*
+            * Help a little, if the write is interrupted, by first resetting
+            * our amount.
+            */
+           SP->out_inuse = 0;
+           IGNORE_RC(write(SP_PARM->_ofd, SP_PARM->out_buffer, amount));
+       }
+    }
 }
 
 #if NCURSES_SP_FUNCS
@@ -126,20 +143,31 @@ _nc_flush(void)
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(_nc_outch) (NCURSES_SP_DCLx int ch)
 {
+    int rc = OK;
+
     COUNT_OUTCHARS(1);
 
-    if (SP_PARM != 0
-       && 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);
+    if (HasTInfoTerminal(SP_PARM)
+       && 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
@@ -191,6 +219,7 @@ NCURSES_SP_NAME(tputs) (NCURSES_SP_DCLx
                        int affcnt,
                        NCURSES_SP_OUTC outc)
 {
+    NCURSES_SP_OUTC my_outch = GetOutCh();
     bool always_delay;
     bool normal_delay;
     int number;
@@ -203,9 +232,9 @@ NCURSES_SP_NAME(tputs) (NCURSES_SP_DCLx
 
     if (USE_TRACEF(TRACE_TPUTS)) {
        if (outc == NCURSES_SP_NAME(_nc_outch))
-           (void) strcpy(addrbuf, "_nc_outch");
+           _nc_STRCPY(addrbuf, "_nc_outch", sizeof(addrbuf));
        else
-           (void) sprintf(addrbuf, "%p", outc);
+           _nc_SPRINTF(addrbuf, _nc_SLIMIT(sizeof(addrbuf)) "%p", outc);
        if (_nc_tputs_trace) {
            _tracef("tputs(%s = %s, %d, %s) called", _nc_tputs_trace,
                    _nc_visbuf(string), affcnt, addrbuf);
@@ -217,10 +246,19 @@ NCURSES_SP_NAME(tputs) (NCURSES_SP_DCLx
     }
 #endif /* TRACE */
 
+    if (SP_PARM != 0 && !HasTInfoTerminal(SP_PARM))
+       return ERR;
+
     if (!VALID_STRING(string))
        return ERR;
 
-    if (cur_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 {
@@ -263,7 +301,7 @@ NCURSES_SP_NAME(tputs) (NCURSES_SP_DCLx
     }
 #endif /* BSD_TPUTS */
 
-    my_outch = outc;           /* redirect delay_output() */
+    SetOutCh(outc);            /* redirect delay_output() */
     while (*string) {
        if (*string != '$')
            (*outc) (NCURSES_SP_ARGx *string);
@@ -335,7 +373,7 @@ NCURSES_SP_NAME(tputs) (NCURSES_SP_DCLx
        delay_output(trailpad / 10);
 #endif /* BSD_TPUTS */
 
-    my_outch = NCURSES_SP_NAME(_nc_outch);
+    SetOutCh(my_outch);
     return OK;
 }