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dc: cleanup, fix off-by-one memory error

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This commit is contained in:
Russ Cox 2008-12-06 16:45:40 -08:00
parent 56e6f8f994
commit 272c1fb2d9
1 changed files with 1 additions and 15 deletions
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16
src/cmd/dc.c
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@ -165,7 +165,6 @@ void release(Blk *p);
Blk* dcgetwd(Blk *p);
void putwd(Blk *p, Blk *c);
Blk* lookwd(Blk *p);
char* nalloc(char *p, unsigned nbytes);
int getstk(void);
/********debug only**/
@ -1222,7 +1221,7 @@ init(int argc, char *argv[])
readptr = &readstk[0];
k=0;
sp = sptr = &symlst[0];
while(sptr < &symlst[TBLSZ]) {
while(sptr < &symlst[TBLSZ-1]) {
sptr->next = ++sp;
sptr++;
}
@ -2268,19 +2267,6 @@ lookwd(Blk *p)
return(*wp->rdw);
}
char*
nalloc(char *p, unsigned nbytes)
{
char *q, *r;
q = r = malloc(nbytes);
if(q==0)
return(0);
while(nbytes--)
*q++ = *p++;
return(r);
}
int
getstk(void)
{