diff options
| -rw-r--r-- | bin/sh/parser.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/bin/sh/parser.c b/bin/sh/parser.c index 4df742d..e00df92 100644 --- a/bin/sh/parser.c +++ b/bin/sh/parser.c @@ -323,7 +323,8 @@ command(void) case TIF: n1 = (union node *)stalloc(sizeof (struct nif)); n1->type = NIF; - n1->nif.test = list(0); + if ((n1->nif.test = list(0)) == NULL) + synexpect(-1); if (readtoken() != TTHEN) synexpect(TTHEN); n1->nif.ifpart = list(0); @@ -332,7 +333,8 @@ command(void) n2->nif.elsepart = (union node *)stalloc(sizeof (struct nif)); n2 = n2->nif.elsepart; n2->type = NIF; - n2->nif.test = list(0); + if ((n2->nif.test = list(0)) == NULL) + synexpect(-1); if (readtoken() != TTHEN) synexpect(TTHEN); n2->nif.ifpart = list(0); @@ -352,7 +354,8 @@ command(void) int got; n1 = (union node *)stalloc(sizeof (struct nbinary)); n1->type = (lasttoken == TWHILE)? NWHILE : NUNTIL; - n1->nbinary.ch1 = list(0); + if ((n1->nbinary.ch1 = list(0)) == NULL) + synexpect(-1); if ((got=readtoken()) != TDO) { TRACE(("expecting DO got %s %s\n", tokname[got], got == TWORD ? wordtext : "")); synexpect(TDO); |
