From 9c16db9589f395decf9eff74bc48cc2e9a427a5a Mon Sep 17 00:00:00 2001
From: Pavel Stehule <pavel.stehule@gmail.com>
Date: Wed, 4 Oct 2023 16:05:05 +0200
Subject: [PATCH] supersedes #276, #278 where the discussion is (#303)

---
 pdcurses/initscr.c |  6 ++++--
 vt/pdckbd.c        | 19 ++++---------------
 vt/pdcscrn.c       |  9 ++++-----
 3 files changed, 12 insertions(+), 22 deletions(-)

diff --git a/pdcurses/initscr.c b/pdcurses/initscr.c
index 5097f165..fe2c1622 100644
--- a/pdcurses/initscr.c
+++ b/pdcurses/initscr.c
@@ -162,6 +162,10 @@ SCREEN *newterm(const char *type, FILE *outfd, FILE *infd)
     if (!SP)
         return NULL;
 
+    /* output_fd, input_fd should be initialized before PDC_src_open */
+    SP->output_fd = outfd ? outfd : stdout;
+    SP->input_fd = infd ? infd : stdin;
+
     if (PDC_scr_open() == ERR)
     {
         fprintf(stderr, "initscr(): Unable to create SP\n");
@@ -286,8 +290,6 @@ SCREEN *newterm(const char *type, FILE *outfd, FILE *infd)
         return NULL;
     SP->c_ungind = 0;
     SP->c_ungmax = NUNGETCH;
-    SP->output_fd = outfd;
-    SP->input_fd = infd;
 
     return SP;
 }
diff --git a/vt/pdckbd.c b/vt/pdckbd.c
index 729712d4..be75709e 100644
--- a/vt/pdckbd.c
+++ b/vt/pdckbd.c
@@ -38,24 +38,13 @@ static bool check_key( int *c)
 {
     bool rval;
 #ifndef USE_CONIO
-    const int STDIN = 0;
     struct timeval timeout;
     fd_set rdset;
     extern int PDC_n_ctrl_c;
 
     if( PDC_resize_occurred)
        return( TRUE);
-    if( SP->input_fd && SP->input_fd != stdin)
-    {
-        rval = !feof( SP->input_fd);
-        if( rval && c)
-        {
-            *c = fgetc( SP->input_fd);
-            if( *c == EOF)
-                rval = FALSE;
-        }
-        return( rval);
-    }
+
 #ifdef LINUX_FRAMEBUFFER_PORT
     PDC_check_for_blinking( );
 #endif
@@ -69,14 +58,14 @@ static bool check_key( int *c)
        return( TRUE);
        }
     FD_ZERO( &rdset);
-    FD_SET( STDIN, &rdset);
+    FD_SET( fileno( SP->input_fd), &rdset);
     timeout.tv_sec = 0;
     timeout.tv_usec = 0;
-    if( select( STDIN + 1, &rdset, NULL, NULL, &timeout) > 0)
+    if( select( fileno( SP->input_fd) + 1, &rdset, NULL, NULL, &timeout) > 0)
        {
        rval = TRUE;
        if( c)
-          *c = getchar( );
+          *c = fgetc( SP->input_fd);
        }
     else
        rval = FALSE;
diff --git a/vt/pdcscrn.c b/vt/pdcscrn.c
index f77f4060..422c59e5 100644
--- a/vt/pdcscrn.c
+++ b/vt/pdcscrn.c
@@ -115,7 +115,6 @@ static int set_win10_for_vt_codes( const bool setting_mode)
 #endif
 
 bool PDC_resize_occurred = FALSE;
-const int STDIN = 0;
 static mmask_t _stored_trap_mbe;
 
 /* COLOR_PAIR to attribute encoding table. */
@@ -125,14 +124,14 @@ void PDC_reset_prog_mode( void)
 #ifdef USE_TERMIOS
     struct termios term;
 
-    tcgetattr( STDIN, &orig_term);
+    tcgetattr( fileno( SP->input_fd), &orig_term);
     memcpy( &term, &orig_term, sizeof( term));
     term.c_lflag &= ~(ICANON | ECHO);
     term.c_iflag &= ~ICRNL;
     term.c_cc[VSUSP] = _POSIX_VDISABLE;   /* disable Ctrl-Z */
     term.c_cc[VSTOP] = _POSIX_VDISABLE;   /* disable Ctrl-S */
     term.c_cc[VSTART] = _POSIX_VDISABLE;   /* disable Ctrl-Q */
-    tcsetattr( STDIN, TCSANOW, &term);
+    tcsetattr( fileno( SP->input_fd), TCSANOW, &term);
 #endif
 #ifndef _WIN32
     if( !PDC_is_ansi)
@@ -204,7 +203,7 @@ void PDC_scr_close( void)
    set_win10_for_vt_codes( FALSE);
 #else
    #if !defined( DOS)
-      tcsetattr( STDIN, TCSANOW, &orig_term);
+      tcsetattr( fileno( SP->input_fd), TCSANOW, &orig_term);
    #endif
 #endif
    PDC_doupdate( );
@@ -302,7 +301,7 @@ int PDC_scr_open(void)
     if (!SP || PDC_init_palette( ))
         return ERR;
 
-    setbuf( stdin, NULL);
+    setbuf( SP->input_fd, NULL);
 #ifdef USE_TERMIOS
     sigemptyset(&sa.sa_mask);
     sa.sa_flags = 0;