From 750643d1c7dd0b278f767eb832bb4e570c01d83f Mon Sep 17 00:00:00 2001
From: Mole Shang <135e2@135e2.dev>
Date: Wed, 9 Aug 2023 14:38:50 +0800
Subject: utils/types: support resizing an array to 0
---
src/utils/types.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
(limited to 'src')
diff --git a/src/utils/types.c b/src/utils/types.c
index ebedd0e..390d34c 100644
--- a/src/utils/types.c
+++ b/src/utils/types.c
@@ -20,7 +20,13 @@ void free_array(generic_array_t *array) {
}
void resize_array(generic_array_t *array, size_t new_size) {
- array->data = realloc(array->data, array->elem_size * new_size);
+ if (new_size) {
+ array->data = realloc(array->data, array->elem_size * new_size);
+ } else {
+ size_t elem_size = array->elem_size;
+ free_array(array);
+ create_array(elem_size, 0);
+ }
array->n = new_size;
}
@@ -52,9 +58,14 @@ void free_str_array(str_array_t *array) {
}
void resize_str_array(str_array_t *array, size_t new_size) {
- array->str = realloc(array->str, sizeof(char *) * new_size);
- for (size_t i = array->n; i < new_size; i++) {
- array->str[i] = NULL;
+ if (new_size) {
+ array->str = realloc(array->str, sizeof(char *) * new_size);
+ for (size_t i = array->n; i < new_size; i++) {
+ array->str[i] = NULL;
+ }
+ } else {
+ free_str_array(array);
+ *array = create_str_array(0);
}
array->n = new_size;
}
--
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