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/****************************************************************
* *
* Copyright (c) 2001-2019 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_string.h"
#include "gtm_stdlib.h"
#include "gtm_unistd.h"
#include "gtm_limits.h"
#include "eintr_wrappers.h"
#include "geteditor.h"
#include "wbox_test_init.h"
GBLDEF mstr editor;
void geteditor(void)
{
char *edt, **pedt;
size_t len;
int iter;
char *editor_list[] =
{
"/usr/bin/vi",
"/usr/ucb/vi",
"/bin/vi", /* Linux */
0 /* this array should be terminated by a 0 */
};
edt = GETENV("EDITOR");
pedt = &editor_list[0];
do {
if (0 == ACCESS(edt, (F_OK|X_OK))) /* File exists and is executable, use it */
break;
edt = *pedt++;
} while (edt);
WBTEST_ASSIGN_ONLY(WBTEST_BADEDITOR_GETEDITOR, edt, 0);
if (edt)
{
len = strlen(edt);
if (PATH_MAX < len) /* 4SCA: access() ensures path is < PATH_MAX */
len = PATH_MAX;
editor.len = (mstr_len_t)len;
if (PATH_MAX >= len) /* 4SCA: Increment behind a guard */
len++;
editor.addr = (char*) malloc(len); /* must be null terminated */
memcpy(editor.addr, edt, len);
} else
editor.len = 0;
}
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