diff options
| -rw-r--r-- | src/inlines.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/inlines.c b/src/inlines.c index 49dc781..5c28436 100644 --- a/src/inlines.c +++ b/src/inlines.c @@ -294,13 +294,19 @@ static void print_delimiters(subject *subj) static void remove_delimiter(subject *subj, delimiter_stack *stack) { - if (stack->previous != NULL) { - stack->previous->next = stack->next; - } + if (stack == NULL) return; if (stack->next == NULL) { - // top of stack + // top of stack: + assert(stack == subj->delimiters); + if (stack->previous != NULL) { + stack->previous->next = NULL; + } subj->delimiters = stack->previous; - } else { + } else if (stack->previous == NULL) { + // bottom of stack, with something above it + stack->next->previous = NULL; + } else { // neither top nor bottom: + stack->previous->next = stack->next; stack->next->previous = stack->previous; } free(stack); |