X-Git-Url: http://git.archive.openwrt.org/?a=blobdiff_plain;f=blob.h;h=fa430a859605394f5677bfd19a0ac1a372e9ff43;hb=458c3937bca9db8402e898227bdac07d36959fee;hp=ffd9f9abdd6f7abacbea2feeb9c8da05431aa7e0;hpb=a654d2f42b39a355524e8dbbe35b8f8e1671c1c6;p=project%2Flibubox.git diff --git a/blob.h b/blob.h index ffd9f9a..fa430a8 100644 --- a/blob.h +++ b/blob.h @@ -26,59 +26,9 @@ #include #include -#if __BYTE_ORDER == __LITTLE_ENDIAN - -#if defined(__linux__) || defined(__CYGWIN__) -#include -#include - -#elif defined(__APPLE__) -#include -#include -#define bswap_16(x) OSSwapInt16(x) -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) -#elif defined(__FreeBSD__) -#include -#define bswap_16(x) bswap16(x) -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) -#else -#include -#define bswap_16(x) swap16(x) -#define bswap_32(x) swap32(x) -#define bswap_64(x) swap64(x) -#endif - -#ifndef __BYTE_ORDER -#define __BYTE_ORDER BYTE_ORDER -#endif -#ifndef __BIG_ENDIAN -#define __BIG_ENDIAN BIG_ENDIAN -#endif -#ifndef __LITTLE_ENDIAN -#define __LITTLE_ENDIAN LITTLE_ENDIAN -#endif - -#define cpu_to_be64(x) bswap_64(x) -#define cpu_to_be32(x) bswap_32(x) -#define cpu_to_be16(x) bswap_16(x) - -#define be64_to_cpu(x) bswap_64(x) -#define be32_to_cpu(x) bswap_32(x) -#define be16_to_cpu(x) bswap_16(x) +#include "utils.h" -#else - -#define cpu_to_be64(x) (x) -#define cpu_to_be32(x) (x) -#define cpu_to_be16(x) (x) - -#define be64_to_cpu(x) (x) -#define be32_to_cpu(x) (x) -#define be16_to_cpu(x) (x) - -#endif +#define BLOB_COOKIE 0x01234567 enum { BLOB_ATTR_UNSPEC, @@ -97,10 +47,6 @@ enum { #define BLOB_ATTR_LEN_MASK 0x00ffffff #define BLOB_ATTR_ALIGN 4 -#ifndef __packed -#define __packed __attribute__((packed)) -#endif - struct blob_attr { uint32_t id_len; char data[]; @@ -191,8 +137,10 @@ blob_get_u32(const struct blob_attr *attr) static inline uint64_t blob_get_u64(const struct blob_attr *attr) { - uint64_t *tmp = (uint64_t*)attr->data; - return be64_to_cpu(*tmp); + uint32_t *ptr = blob_data(attr); + uint64_t tmp = ((uint64_t) be32_to_cpu(ptr[0])) << 32; + tmp |= be32_to_cpu(ptr[1]); + return tmp; } static inline int8_t @@ -236,12 +184,15 @@ extern void blob_set_raw_len(struct blob_attr *attr, unsigned int len); extern bool blob_attr_equal(const struct blob_attr *a1, const struct blob_attr *a2); extern int blob_buf_init(struct blob_buf *buf, int id); extern void blob_buf_free(struct blob_buf *buf); +extern void blob_buf_grow(struct blob_buf *buf, int required); extern struct blob_attr *blob_new(struct blob_buf *buf, int id, int payload); extern void *blob_nest_start(struct blob_buf *buf, int id); extern void blob_nest_end(struct blob_buf *buf, void *cookie); extern struct blob_attr *blob_put(struct blob_buf *buf, int id, const void *ptr, int len); extern bool blob_check_type(const void *ptr, int len, int type); extern int blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_attr_info *info, int max); +extern struct blob_attr *blob_memdup(struct blob_attr *attr); +extern struct blob_attr *blob_put_raw(struct blob_buf *buf, const void *ptr, int len); static inline struct blob_attr * blob_put_string(struct blob_buf *buf, int id, const char *str) @@ -283,16 +234,17 @@ blob_put_u64(struct blob_buf *buf, int id, uint64_t val) #define __blob_for_each_attr(pos, attr, rem) \ for (pos = (void *) attr; \ - rem > 0 && (blob_pad_len(pos) <= rem) && \ - (blob_pad_len(pos) >= sizeof(struct blob_attr)); \ - rem -= blob_pad_len(pos), pos = blob_next(pos)) + rem > 0 && (blob_pad_len(pos) <= rem) && \ + (blob_pad_len(pos) >= sizeof(struct blob_attr)); \ + rem -= blob_pad_len(pos), pos = blob_next(pos)) #define blob_for_each_attr(pos, attr, rem) \ - for (rem = blob_len(attr), pos = blob_data(attr); \ - rem > 0 && (blob_pad_len(pos) <= rem) && \ - (blob_pad_len(pos) >= sizeof(struct blob_attr)); \ - rem -= blob_pad_len(pos), pos = blob_next(pos)) + for (rem = attr ? blob_len(attr) : 0, \ + pos = attr ? blob_data(attr) : 0; \ + rem > 0 && (blob_pad_len(pos) <= rem) && \ + (blob_pad_len(pos) >= sizeof(struct blob_attr)); \ + rem -= blob_pad_len(pos), pos = blob_next(pos)) #endif