diff options
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/shell/ash.c b/shell/ash.c index c5ad969..0f9f73e 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -10556,7 +10556,7 @@ static union node *andor(void); static union node *pipeline(void); static union node *parse_command(void); static void parseheredoc(void); -static char peektoken(void); +static char nexttoken_ends_list(void); static int readtoken(void); static union node * @@ -10566,7 +10566,7 @@ list(int nlflag) int tok; checkkwd = CHKNL | CHKKWD | CHKALIAS; - if (nlflag == 2 && peektoken()) + if (nlflag == 2 && nexttoken_ends_list()) return NULL; n1 = NULL; for (;;) { @@ -10608,8 +10608,15 @@ list(int nlflag) tokpushback = 1; } checkkwd = CHKNL | CHKKWD | CHKALIAS; - if (peektoken()) + if (nexttoken_ends_list()) { + /* Testcase: "<<EOF; then <W". + * It used to segfault w/o this check: + */ + if (heredoclist) { + raise_error_unexpected_syntax(-1); + } return n1; + } break; case TEOF: if (heredoclist) @@ -12046,7 +12053,7 @@ readtoken(void) } static char -peektoken(void) +nexttoken_ends_list(void) { int t; |