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author | Aryadev Chavali <aryadev@aryadevchavali.com> | 2024-12-19 08:44:53 +0000 |
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committer | Aryadev Chavali <aryadev@aryadevchavali.com> | 2024-12-19 08:44:53 +0000 |
commit | ffc8068a74cca75a66296e8bec06d1ef47d7c830 (patch) | |
tree | a97c33e70f34f0ba4ebe0b48504d4bccdc88afd0 /lib.c | |
parent | 2a4d7addaea5883213841b3ab6372346e70ccef3 (diff) | |
download | obf-ffc8068a74cca75a66296e8bec06d1ef47d7c830.tar.gz obf-ffc8068a74cca75a66296e8bec06d1ef47d7c830.tar.bz2 obf-ffc8068a74cca75a66296e8bec06d1ef47d7c830.zip |
Introduce and implement vec_t
A vec_t is a dynamic array, separate to a buffer. Should make it
easier to distinguish purposes using these two data types.
Diffstat (limited to 'lib.c')
-rw-r--r-- | lib.c | 38 |
1 files changed, 35 insertions, 3 deletions
@@ -8,6 +8,12 @@ #include "./lib.h" +bool usable_character(char c) +{ + return c == '>' || c == '<' || c == '+' || c == '-' || c == '-' || c == '.' || + c == ',' || c == '[' || c == ']'; +} + buffer_t *buffer_init_str(const char *name, const char *str, size_t str_size) { buffer_t *buf = malloc(sizeof(*buf) + str_size + 1); @@ -61,8 +67,34 @@ char *fread_all(FILE *fp) return buffer.data; } -bool usable_character(char c) +void vec_append(vec_t *vec, void *ptr, u64 size) { - return c == '>' || c == '<' || c == '+' || c == '-' || c == '-' || c == '.' || - c == ',' || c == '[' || c == ']'; + vec_ensure_free(vec, size); + memcpy(vec->data + vec->size, ptr, size); + vec->size += size; +} + +void vec_ensure(vec_t *vec, u64 abs_size) +{ + if (vec->capacity < abs_size) + { + vec->capacity = MAX(vec->capacity * 2, abs_size); + vec->data = realloc(vec->data, vec->capacity); + } + else if (!vec->data) + { + vec->data = calloc(1, vec->capacity); + } +} + +void vec_ensure_free(vec_t *vec, u64 rel_size) +{ + vec_ensure(vec, vec->size + rel_size); +} + +void vec_free(vec_t *vec) +{ + if (vec->data) + free(vec->data); + memset(vec, 0, sizeof(*vec)); } |