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-rw-r--r--shell/ash.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/shell/ash.c b/shell/ash.c
index fbe8dd9..e0ddf71 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12733,6 +12733,7 @@ parsebackq: {
union node *n;
char *str;
size_t savelen;
+ struct heredoc *saveheredoclist;
smallint saveprompt = 0;
str = NULL;
@@ -12808,6 +12809,9 @@ parsebackq: {
*nlpp = stzalloc(sizeof(**nlpp));
/* (*nlpp)->next = NULL; - stzalloc did it */
+ saveheredoclist = heredoclist;
+ heredoclist = NULL;
+
if (oldstyle) {
saveprompt = doprompt;
doprompt = 0;
@@ -12817,18 +12821,21 @@ parsebackq: {
if (oldstyle)
doprompt = saveprompt;
- else if (readtoken() != TRP)
- raise_error_unexpected_syntax(TRP);
+ else {
+ if (readtoken() != TRP)
+ raise_error_unexpected_syntax(TRP);
+ setinputstring(nullstr);
+ parseheredoc();
+ }
+
+ heredoclist = saveheredoclist;
(*nlpp)->n = n;
- if (oldstyle) {
- /*
- * Start reading from old file again, ignoring any pushed back
- * tokens left from the backquote parsing
- */
- popfile();
+ /* Start reading from old file again. */
+ popfile();
+ /* Ignore any pushed back tokens left from the backquote parsing. */
+ if (oldstyle)
tokpushback = 0;
- }
while (stackblocksize() <= savelen)
growstackblock();
STARTSTACKSTR(out);