ncurses 5.2
[ncurses.git] / ncurses / tinfo / lib_termcap.c
index 8238b368eea3e581a2e6b23bda576ea9434e8005..ecec2865fbae7359fd07015dddeddd3ebe143396 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ * Copyright (c) 1998,1999,2000 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            *
 #define __INTERNAL_CAPS_VISIBLE
 #include <term_entry.h>
 
-MODULE_ID("$Id: lib_termcap.c,v 1.29 1999/09/05 01:06:43 tom Exp $")
+MODULE_ID("$Id: lib_termcap.c,v 1.37 2000/09/16 20:30:16 tom Exp $")
 
 /*
    some of the code in here was contributed by:
    Magnus Bengtsson, d6mbeng@dtek.chalmers.se
 */
 
-char *UP;
-char *BC;
+char *UP = 0;
+char *BC = 0;
 
 /***************************************************************************
  *
@@ -64,29 +64,30 @@ char *BC;
  *
  ***************************************************************************/
 
-int tgetent(char *bufp GCC_UNUSED, const char *name)
+int
+tgetent(char *bufp GCC_UNUSED, const char *name)
 {
-int errcode;
+    int errcode;
 
-       T((T_CALLED("tgetent()")));
+    T((T_CALLED("tgetent()")));
 
-       setupterm((NCURSES_CONST char *)name, STDOUT_FILENO, &errcode);
+    setupterm((NCURSES_CONST char *) name, STDOUT_FILENO, &errcode);
 
-       if (errcode == 1) {
+    if (errcode == 1) {
 
-               if (cursor_left)
-                   if ((backspaces_with_bs = !strcmp(cursor_left, "\b")) == 0)
-                       backspace_if_not_bs = cursor_left;
+       if (cursor_left)
+           if ((backspaces_with_bs = !strcmp(cursor_left, "\b")) == 0)
+               backspace_if_not_bs = cursor_left;
 
-               /* we're required to export these */
-               if (pad_char != NULL)
-                       PC = pad_char[0];
-               if (cursor_up != NULL)
-                       UP = cursor_up;
-               if (backspace_if_not_bs != NULL)
-                       BC = backspace_if_not_bs;
+       /* we're required to export these */
+       if (pad_char != NULL)
+           PC = pad_char[0];
+       if (cursor_up != NULL)
+           UP = cursor_up;
+       if (backspace_if_not_bs != NULL)
+           BC = backspace_if_not_bs;
 
-               (void) baudrate();      /* sets ospeed as a side-effect */
+       (void) baudrate();      /* sets ospeed as a side-effect */
 
 /* LINT_PREPRO
 #if 0*/
@@ -94,8 +95,8 @@ int errcode;
 /* LINT_PREPRO
 #endif*/
 
-       }
-       returnCode(errcode);
+    }
+    returnCode(errcode);
 }
 
 /***************************************************************************
@@ -107,22 +108,23 @@ int errcode;
  *
  ***************************************************************************/
 
-int tgetflag(NCURSES_CONST char *id)
+int
+tgetflag(NCURSES_CONST char *id)
 {
-int i;
-
-       T((T_CALLED("tgetflag(%s)"), id));
-       if (cur_term != 0) {
-           TERMTYPE *tp = &(cur_term->type);
-           for_each_boolean(i, tp) {
-               const char *capname = ExtBoolname(tp, i, boolcodes);
-               if (!strncmp(id, capname, 2)) {
-                   /* setupterm forces invalid booleans to false */
-                   returnCode(tp->Booleans[i]);
-               }
+    int i;
+
+    T((T_CALLED("tgetflag(%s)"), id));
+    if (cur_term != 0) {
+       TERMTYPE *tp = &(cur_term->type);
+       for_each_boolean(i, tp) {
+           const char *capname = ExtBoolname(tp, i, boolcodes);
+           if (!strncmp(id, capname, 2)) {
+               /* setupterm forces invalid booleans to false */
+               returnCode(tp->Booleans[i]);
            }
        }
-       returnCode(0);  /* Solaris does this */
+    }
+    returnCode(0);             /* Solaris does this */
 }
 
 /***************************************************************************
@@ -134,23 +136,24 @@ int i;
  *
  ***************************************************************************/
 
-int tgetnum(NCURSES_CONST char *id)
+int
+tgetnum(NCURSES_CONST char *id)
 {
-int i;
-
-       T((T_CALLED("tgetnum(%s)"), id));
-       if (cur_term != 0) {
-           TERMTYPE *tp = &(cur_term->type);
-           for_each_number(i, tp) {
-               const char *capname = ExtNumname(tp, i, numcodes);
-               if (!strncmp(id, capname, 2)) {
-                   if (!VALID_NUMERIC(tp->Numbers[i]))
-                       return -1;
-                   returnCode(tp->Numbers[i]);
-               }
+    int i;
+
+    T((T_CALLED("tgetnum(%s)"), id));
+    if (cur_term != 0) {
+       TERMTYPE *tp = &(cur_term->type);
+       for_each_number(i, tp) {
+           const char *capname = ExtNumname(tp, i, numcodes);
+           if (!strncmp(id, capname, 2)) {
+               if (!VALID_NUMERIC(tp->Numbers[i]))
+                   returnCode(ABSENT_NUMERIC);
+               returnCode(tp->Numbers[i]);
            }
        }
-       returnCode(ERR);
+    }
+    returnCode(ABSENT_NUMERIC);
 }
 
 /***************************************************************************
@@ -162,43 +165,28 @@ int i;
  *
  ***************************************************************************/
 
-char *tgetstr(NCURSES_CONST char *id, char **area)
+char *
+tgetstr(NCURSES_CONST char *id, char **area)
 {
-int i;
-
-       T((T_CALLED("tgetstr(%s,%p)"), id, area));
-       if (cur_term != 0) {
-           TERMTYPE *tp = &(cur_term->type);
-           for_each_string(i, tp) {
-               const char *capname = ExtStrname(tp, i, strcodes);
-               T(("trying %s", capname));
-               if (!strncmp(id, capname, 2)) {
-                   T(("found match : %s", _nc_visbuf(tp->Strings[i])));
-                   /* setupterm forces cancelled strings to null */
-                   if (area != 0
-                    && *area != 0
-                    && VALID_STRING(tp->Strings[i])) {
-                       (void) strcpy(*area, tp->Strings[i]);
-                       *area += strlen(*area) + 1;
-                   }
-                   returnPtr(tp->Strings[i]);
+    int i;
+
+    T((T_CALLED("tgetstr(%s,%p)"), id, area));
+    if (cur_term != 0) {
+       TERMTYPE *tp = &(cur_term->type);
+       for_each_string(i, tp) {
+           const char *capname = ExtStrname(tp, i, strcodes);
+           if (!strncmp(id, capname, 2)) {
+               TR(TRACE_DATABASE,("found match : %s", _nc_visbuf(tp->Strings[i])));
+               /* setupterm forces canceled strings to null */
+               if (area != 0
+                   && *area != 0
+                   && VALID_STRING(tp->Strings[i])) {
+                   (void) strcpy(*area, tp->Strings[i]);
+                   *area += strlen(*area) + 1;
                }
+               returnPtr(tp->Strings[i]);
            }
        }
-       returnPtr(NULL);
-}
-
-/*
- *     char *
- *     tgoto(string, x, y)
- *
- *     Retained solely for upward compatibility.  Note the intentional
- *     reversing of the last two arguments.
- *
- */
-
-char *tgoto(const char *string, int x, int y)
-{
-       T((T_CALLED("tgoto(%s,%d,%d)"), string, x, y));
-       returnPtr(tparm((NCURSES_CONST char *)string, y, x));
+    }
+    returnPtr(NULL);
 }