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/*
* This file is part of the sn package.
* Distribution of sn is covered by the GNU GPL. See file COPYING.
* Copyright 1998-2000 Harold Tay.
* Copyright 2000- Patrik Rdman.
*/
/*
* Make sure our BINDIR exists in $PATH
*/
#include <stdlib.h>
#include <string.h>
static const char ver_ctrl_id[] = "$Id: path.c 29 2004-04-24 23:02:38Z patrik $";
int set_path_var (void)
{
char *p;
char *path;
if (!(p = getenv("PATH")))
return putenv("PATH=" BINDIR);
if ((path = strstr(p, BINDIR)))
if (path == p || ':' == path[-1])
if (!path[sizeof (BINDIR) - 1] || ':' == path[sizeof (BINDIR) - 1])
return 0;
path = malloc(strlen(p) + sizeof ("PATH=:" BINDIR) + 2);
if (!path)
return -1;
strcpy(path, "PATH=");
strcat(path, p);
strcat(path, ":" BINDIR);
return putenv(path);
}
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