diff options
Diffstat (limited to 'shared/bin.h')
| -rw-r--r-- | shared/bin.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/shared/bin.h b/shared/bin.h index 4a932c2..8aab08f 100644 --- a/shared/bin.h +++ b/shared/bin.h @@ -10,6 +10,7 @@ */ #include <stdint.h> +#include <stdlib.h> #include "memory.h" @@ -22,11 +23,12 @@ extern uint8_t g_cd_endianness; /** @brief cast `in.data` to `type out` */ #define CD_CAST_BIN(type, in, out) type *out = (type *)&in->data; #define CD_CREATE_MSG_BIN(type, normal, bin) CD_CREATE_MSG_SIZE_BIN(type, sizeof(type), normal, bin) -/** @brief */ -#define CD_CREATE_MSG_SIZE_BIN(type, size, normal, bin) \ - cd_s_bin *bin = CD_MALLOC(sizeof(cd_s_bin) + size); \ - bin->bytes = size; \ +/** @brief create cd_s_bin struct with space for struct and cast data field of cd_s_bin to struct pointer */ +#define CD_CREATE_MSG_SIZE_BIN(type, size, normal, bin) \ + cd_s_bin *bin = CD_MALLOC(sizeof(cd_s_bin) + size); \ + bin->bytes = size; \ type *normal = (type *)&bin->data; +// TODO: document above macro but better /** @brief hold binary data with fixed size */ typedef struct { @@ -58,14 +60,14 @@ uint16_t cd_bin_ntoh16(uint16_t n16); * * @param n pointer to number * @param s size of number in bytes - * + * * @return 32-bit integer regardless of `s` * * this function is exclusively used by the CD_DYN_MEMBER_SIZEOF macro in * shared/protocol.c */ -uint32_t cd_bin_ntohd(uint8_t* n, size_t s); -uint32_t cd_bin_htond(uint8_t* h, size_t s); +uint32_t cd_bin_ntohd(uint8_t *n, size_t s); +uint32_t cd_bin_htond(uint8_t *h, size_t s); /** @brief replace 32-bit value from host endian to network (big-endian) */ void cd_bin_repl_hton32(uint32_t *h32); @@ -79,4 +81,3 @@ void cd_bin_repl_ntoh16(uint16_t *n16); #ifdef __cplusplus } #endif - |