[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: LYNX-DEV Volatile getenv Buffer
|
From: |
T.E.Dickey |
|
Subject: |
Re: LYNX-DEV Volatile getenv Buffer |
|
Date: |
Thu, 22 Jan 1998 05:47:18 -0500 (EST) |
>
> Hello, Lyncei,
>
> The string value returned by getenv is subject to overwriting by
> subsequent calls to getenv. I just encountered this on OS/390.
> Here's a patch that fixes it for Home_Dir. I suspect but haven't
> verified a similar problem with $DISPLAY.
thanks - will review & integrate.
> -- gil
> ================================================================
> diff -rc ./orig/lynxsrc/src/LYUtils.c ./lynxsrc/src/LYUtils.c
> *** ./orig/lynxsrc/src/LYUtils.c Sun Jan 18 11:26:01 1998
> --- ./lynxsrc/src/LYUtils.c Wed Jan 21 22:19:17 1998
> ***************
> *** 4640,4646 ****
> static CONST char *homedir = NULL;
>
> if (!homedir) {
> ! if ((homedir = getenv("HOME")) == NULL) {
> #ifdef VMS
> if ((homedir = getenv("SYS$LOGIN")) == NULL) {
> if ((homedir = getenv("SYS$SCRATCH")) == NULL)
> --- 4640,4651 ----
> static CONST char *homedir = NULL;
>
> if (!homedir) {
> ! if ((homedir = getenv("HOME"))) {
> ! char *work = NULL;
> !
> ! StrAllocCopy(work, homedir);
> ! homedir = work;
> ! } else {
> #ifdef VMS
> if ((homedir = getenv("SYS$LOGIN")) == NULL) {
> if ((homedir = getenv("SYS$SCRATCH")) == NULL)
>
--
Thomas E. Dickey
address@hidden
http://www.clark.net/pub/dickey