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config: pass searchvar result to deletevar

This commit is contained in:
C. Masloch 2023-08-30 11:05:11 +02:00 committed by Kenneth J Davis
parent 24d19cd05c
commit 6101fb2aed
1 changed files with 4 additions and 3 deletions
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7
kernel/config.c
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@ -2751,9 +2751,8 @@ STATIC BYTE far * searchvar(const BYTE * name, int length)
return NULL;
}
STATIC void deletevar(const BYTE * name, int length) {
STATIC void deletevar(BYTE far * pp) {
int variablelength;
BYTE far * pp = searchvar(name, length);
if (NULL == pp)
return;
variablelength = fstrlen(pp) + 1;
@ -2770,10 +2769,12 @@ STATIC VOID CmdSet(BYTE *pLine)
if (*pLine == '=') /* equal sign is required */
{
int size, namesize;
BYTE far * pp;
strupr(szBuf); /* all environment variables must be uppercase */
namesize = strlen(szBuf);
strcat(szBuf, "=");
deletevar(szBuf, namesize);
pp = searchvar(szBuf, namesize);
deletevar(pp);
pLine = skipwh(++pLine);
strcat(szBuf, pLine); /* append the variable value (may include spaces) */
size = strlen(szBuf);