diff options
Diffstat (limited to 'arr.c')
| -rw-r--r-- | arr.c | 18 |
1 files changed, 15 insertions, 3 deletions
@@ -109,8 +109,6 @@ static inline void *arr_add_ptr_(void **arr, size_t member_size) { return ret; } -#if 0 -// NOT TESTED static inline void arr_set_len_(void **arr, size_t member_size, size_t n) { if (n >= U32_MAX-1) { // too big; free arr. @@ -153,10 +151,10 @@ static inline void arr_set_len_(void **arr, size_t member_size, size_t n) { memset((char *)hdr->data + hdr->len, 0, (n - hdr->len) * member_size); } hdr->len = (u32)n; + *arr = hdr->data; } } #define arr_set_len(a, n) arr_set_len_((void **)&a, sizeof *(a), n) -#endif #ifdef __cplusplus #define arr_cast_typeof(a) (decltype(a)) @@ -209,6 +207,20 @@ static inline void arr_set_len_(void **arr, size_t member_size, size_t n) { } \ } while (0) + +static void arr_append_str_(char **a, char const *s) { + size_t curr_len = arr_len(*a); + size_t s_len = strlen(s); + + if (curr_len) --curr_len; // don't include null terminator + + arr_set_len(*a, curr_len + s_len + 1); + memcpy(*a + curr_len, s, s_len + 1); +} + +// appends a C-string array with +#define arr_append_str(a, s) arr_append_str_(&(a), (s)) + static void arr_test(void) { u32 *arr = NULL; u32 i; |