File: geteditor.c

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nmh 1.6-2
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/*
 * geteditor.c -- Determine the default editor to use
 *
 * This code is Copyright (c) 2013, by the authors of nmh.  See the
 * COPYRIGHT file in the root directory of the nmh distribution for
 * complete copyright information.
 */

#include <h/mh.h>
#include <h/utils.h>

static char *default_editor = NULL;

char *
get_default_editor(void)
{
    char *str;

    if (default_editor)
    	return default_editor;

    if (!(str = context_find("editor")) && !(str = getenv("VISUAL")) &&
    	!(str = getenv("EDITOR"))) {
	str = DEFAULT_EDITOR;
    }

    return (default_editor = str);
}