X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=blobdiff_plain;f=utils.h;h=cd09cc0e2a3b2a72ff3a691cc36758bfc99f2dcf;hp=db6217ed849b53de35e5b8419e7ba89afc579795;hb=6a7fb7d8df308d18167051447fa489de389588df;hpb=e5032709b29eb42568c3937a533898728a15efa1 diff --git a/utils.h b/utils.h index db6217e..cd09cc0 100644 --- a/utils.h +++ b/utils.h @@ -23,6 +23,7 @@ #include #include #include +#include #include /* @@ -56,12 +57,14 @@ extern int __BUILD_BUG_ON_CONDITION_FAILED; #define BUILD_BUG_ON __BUILD_BUG_ON #endif -#ifdef __APPLE__ +#if defined(__APPLE__) && !defined(CLOCK_MONOTONIC) +#define LIBUBOX_COMPAT_CLOCK_GETTIME -#define CLOCK_REALTIME 0 -#define CLOCK_MONOTONIC 1 +#include +#define CLOCK_REALTIME CALENDAR_CLOCK +#define CLOCK_MONOTONIC SYSTEM_CLOCK -void clock_gettime(int type, struct timespec *tv); +int clock_gettime(int type, struct timespec *tv); #endif @@ -100,7 +103,10 @@ void clock_gettime(int type, struct timespec *tv); #define __LITTLE_ENDIAN LITTLE_ENDIAN #endif -#define __u_bswap16(x) ({ uint16_t val = (x); ((uint16_t)(((val >> 8) & 0xffu) | ((val & 0xffu) << 8))); }) +static inline uint16_t __u_bswap16(uint16_t val) +{ + return ((val >> 8) & 0xffu) | ((val & 0xffu) << 8); +} #if _GNUC_MIN_VER(4, 2) #define __u_bswap32(x) __builtin_bswap32(x) @@ -152,10 +158,24 @@ void clock_gettime(int type, struct timespec *tv); #define __packed __attribute__((packed)) #endif +#ifndef __constructor +#define __constructor __attribute__((constructor)) +#endif + +#ifndef __destructor +#define __destructor __attribute__((destructor)) +#endif + +#ifndef __hidden +#define __hidden __attribute__((visibility("hidden"))) +#endif + #ifndef BITS_PER_LONG #define BITS_PER_LONG (8 * sizeof(unsigned long)) #endif +#define BITFIELD_SIZE(_n) (((_n) + (BITS_PER_LONG - 1)) / BITS_PER_LONG) + static inline void bitfield_set(unsigned long *bits, int bit) { bits[bit / BITS_PER_LONG] |= (1UL << (bit % BITS_PER_LONG)); @@ -166,4 +186,31 @@ static inline bool bitfield_test(unsigned long *bits, int bit) return !!(bits[bit / BITS_PER_LONG] & (1UL << (bit % BITS_PER_LONG))); } +int b64_encode(const void *src, size_t src_len, + void *dest, size_t dest_len); + +int b64_decode(const void *src, void *dest, size_t dest_len); + +#define B64_ENCODE_LEN(_len) ((((_len) + 2) / 3) * 4 + 1) +#define B64_DECODE_LEN(_len) (((_len) / 4) * 3 + 1) + +static inline unsigned int cbuf_order(unsigned int x) +{ + return 32 - __builtin_clz(x - 1); +} + +static inline unsigned long cbuf_size(int order) +{ + unsigned long page_size = sysconf(_SC_PAGESIZE); + unsigned long ret = 1ULL << order; + + if (ret < page_size) + ret = page_size; + + return ret; +} + +void *cbuf_alloc(unsigned int order); +void cbuf_free(void *ptr, unsigned int order); + #endif