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/* $Header$ */
/*
* Copyright © 1988-2004 Keith Packard and Bart Massey.
* All Rights Reserved. See the file COPYING in this directory
* for licensing information.
*/
/*
* edit.c
*
* invoke the users editor (default /bin/ed)
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "nickle.h"
#ifndef DEFAULT_EDITOR
#define DEFAULT_EDITOR "ed"
#endif
static void
edit (char *file_name)
{
char buf[1024];
char *editor;
if (!(editor = getenv ("EDITOR")))
editor = DEFAULT_EDITOR;
if (!file_name)
file_name = "";
(void) sprintf (buf, "%s %s", editor, file_name);
IoStop ();
(void) system (buf);
IoStart ();
}
void
EditFunction (SymbolPtr symbol, Publish publish)
{
Value tmp;
static const char template[] = "/tmp/nXXXXXX";
static const char exten[] = ".5c";
char tmpName[sizeof (template)];
char nickleName[sizeof (template) + sizeof (exten) + 2];
int fd;
(void) strcpy (tmpName, template);
fd = mkstemp (tmpName);
if (fd < 0)
return;
strcpy (nickleName, tmpName);
strcat (nickleName, exten);
if (rename (tmpName, nickleName) < 0)
{
close (fd);
unlink (tmpName);
return;
}
tmp = FileCreate (fd, FileWritable);
if (tmp)
{
PrettyPrint (tmp, publish, symbol);
(void) FileClose (tmp);
edit (nickleName);
LexFile (nickleName, True, False);
}
(void) unlink (nickleName);
}
void
EditFile (Value file_name)
{
if (!file_name)
{
edit (0);
}
else
{
char *name = StrzPart (file_name, "invalid filename");
if (name)
edit (name);
}
}
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