Initial Alpine Version

1 files changed, 93 insertions, 0 deletions

diff --git a/pith/osdep/color.c b/pith/osdep/color.c
new file mode 100644
index 00000000..faf3c675
--- /dev/null
+++ b/pith/osdep/color.c
@@ -0,0 +1,93 @@
+#if !defined(lint) && !defined(DOS)
+static char rcsid[] = "$Id: color.c 761 2007-10-23 22:35:18Z hubert@u.washington.edu $";
+#endif
+
+/*
+ * ========================================================================
+ * Copyright 2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * ========================================================================
+ */
+
+   /*
+    *
+    *  These routines themselves aren't necessarily OS-specific, they
+    *  are all called from within pico, pine and webpine.
+    * 
+    *  They used to be in pico source (osdep/unix, mswin.c), but considering
+    *  webpine uses color as well and it should *not* have to be linked
+    *  against libpico and considering pico uses these routines but should
+    *  not have to link against libpith (and in turn c-client) we put them
+    *  in pith/osdep which should only have to link against system libraries
+    *  and thus be include freely in all of pine, pico and webpine.
+    */  
+
+
+#include <system.h>
+#include "./color.h"
+
+
+
+/*
+ * new_color_pair - allocate a new color pair structure assigning 
+ *                  given foreground and background color strings
+ */
+COLOR_PAIR *
+new_color_pair(char *fg, char *bg)
+{
+    COLOR_PAIR *ret;
+
+    if((ret = (COLOR_PAIR *) malloc(sizeof(*ret))) != NULL){
+	memset(ret, 0, sizeof(*ret));
+	if(fg){
+	    strncpy(ret->fg, fg, MAXCOLORLEN);
+	    ret->fg[MAXCOLORLEN] = '\0';
+	}
+
+	if(bg){
+	    strncpy(ret->bg, bg, MAXCOLORLEN);
+	    ret->bg[MAXCOLORLEN] = '\0';
+	}
+    }
+
+    return(ret);
+}
+
+
+/*
+ * free_color_pair - release resources associated with given
+ *                   color pair structure
+ */
+void
+free_color_pair(COLOR_PAIR **cp)
+{
+    if(cp && *cp){
+	free(*cp);
+	*cp = NULL;
+    }
+}
+
+
+/*
+ * Just like pico_set_color except it doesn't set the color, it just
+ * returns the value. Assumes def of PSC_NONE, since otherwise we always
+ * succeed and don't need to call this.
+ */
+int
+pico_is_good_colorpair(COLOR_PAIR *cp)
+{
+    return(cp && pico_is_good_color(cp->fg) && pico_is_good_color(cp->bg));
+}
+
+
+COLOR_PAIR *
+pico_set_colorp(COLOR_PAIR *col, int flags)
+{
+    return(pico_set_colors(col ? col->fg : NULL, col ? col->bg : NULL, flags));
+}