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Revert 096f46ee ("Fix for memory mgmt in variable expansion")

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This reverts a Solaris patch (105-CR7032068) with no documentation
on what it fixes or how or why. There are reports about it causing
a crash and/or a regression:

https://github.com/ksh93/ksh/issues/180#issuecomment-780980442
This commit is contained in:
Martijn Dekker 2021-02-18 02:05:39 +00:00
parent 50b665b1ed
commit 8c2d8e5f46
1 changed files with 1 additions and 6 deletions
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7
src/cmd/ksh93/sh/macro.c
View file

@ -1079,7 +1079,7 @@ static int varsub(Mac_t *mp)
{
register int c;
register int type=0; /* M_xxx */
register char *v, *new_v=0, *argp=0;
register char *v,*argp=0;
register Namval_t *np = NIL(Namval_t*);
register int dolg=0, mode=0;
Lex_t *lp = (Lex_t*)mp->shp->lex_context;
@ -1458,7 +1458,6 @@ retry1:
if((mp->let || (mp->arith&&nv_isattr(np,(NV_LJUST|NV_RJUST|NV_ZFILL)))) && !nv_isattr(np,NV_INTEGER) && (offset==0 || isspace(c) || strchr(",.+-*/=%&|^?!<>",c)))
mp->zeros = 1;
}
new_v = v = strdup(v);
if(savptr==stakptr(0))
stkseek(stkp,offset);
else
@ -2027,8 +2026,6 @@ retry2:
}
if(np)
nv_close(np);
if(new_v)
free(new_v);
if(pattern)
free(pattern);
if(repstr)
@ -2037,8 +2034,6 @@ retry2:
free(idx);
return(1);
nosub:
if(new_v)
free(new_v);
if(type==M_BRACE && sh_lexstates[ST_NORM][c]==S_BREAK)
{
fcseek(-1);