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authorpommicket <pommicket@gmail.com>2022-12-05 19:05:14 -0500
committerpommicket <pommicket@gmail.com>2022-12-05 19:05:14 -0500
commit05862b802237df8bc61b0b45ef1ba4e70b0773f5 (patch)
tree2bfcd1a2915bd4907652f29453c92e40deaac3d0 /arr.c
parent10c753107c6d9f9c90fef18b887b92c2290ca97d (diff)
full json parser
Diffstat (limited to 'arr.c')
-rw-r--r--arr.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arr.c b/arr.c
index ae25a3c..05117b1 100644
--- a/arr.c
+++ b/arr.c
@@ -60,6 +60,10 @@ static inline u32 arr_len(void *arr) {
return arr ? arr_hdr_(arr)->len : 0;
}
+static inline u32 arr_cap(void *arr) {
+ return arr ? arr_hdr_(arr)->cap : 0;
+}
+
static inline unsigned arr_lenu(void *arr) {
return (unsigned)arr_len(arr);
}
@@ -114,6 +118,7 @@ static void arr_reserve_(void **arr, size_t member_size, size_t n) {
if (!*arr) {
// create a new array with capacity n+1
+ // why n+1? i dont know i wrote this a while ago
ArrHeader *hdr = calloc(1, sizeof(ArrHeader) + (n+1) * member_size);
if (hdr) {
hdr->cap = (u32)n+1;
@@ -151,7 +156,7 @@ static void arr_set_len_(void **arr, size_t member_size, size_t n) {
ArrHeader *hdr = arr_hdr_(*arr);
if (n > hdr->len) {
// zero new elements
- memset((char *)hdr->data + hdr->len, 0, (n - hdr->len) * member_size);
+ memset((char *)hdr->data + hdr->len * member_size, 0, (n - hdr->len) * member_size);
}
hdr->len = (u32)n;
}