X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Fbinarybuffer.h;h=49050074fb226cd6e82315152a9363b9362a64b9;hp=d7c887e77172f0a0fcece28f0af18fb3c3b4dc47;hb=d50caa97d17187ed96746cc1527e5dbf57d4a81a;hpb=4d4b2958a5fdf0dfa0f8199535ccd9bd4e66d4af diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h index d7c887e771..49050074fb 100644 --- a/src/helper/binarybuffer.h +++ b/src/helper/binarybuffer.h @@ -25,56 +25,49 @@ #include "types.h" -/* support functions to access arbitrary bits in a byte array - * flip_u32 inverses the bit order inside a 32-bit word (31..0 -> 0..31) +/** @file + * Support functions to access arbitrary bits in a byte array */ /* inlining this will help show what fn that is taking time during profiling. */ static inline void buf_set_u32(uint8_t* buffer, unsigned int first, unsigned int num, uint32_t value) { - if ((num == 32) && (first == 0)) - { - buffer[3]=(value >> 24)&0xff; - buffer[2]=(value >> 16)&0xff; - buffer[1]=(value >> 8)&0xff; - buffer[0]=(value >> 0)&0xff; - } else - { - unsigned int i; - - for (i = first; i < first + num; i++) + if ((num == 32) && (first == 0)) { + buffer[3] = (value >> 24) & 0xff; + buffer[2] = (value >> 16) & 0xff; + buffer[1] = (value >> 8) & 0xff; + buffer[0] = (value >> 0) & 0xff; + } else { + for (unsigned i = first; i < first + num; i++) { - if (((value >> (i-first))&1) == 1) - buffer[i/8] |= 1 << (i%8); + if (((value >> (i - first)) & 1) == 1) + buffer[i / 8] |= 1 << (i % 8); else - buffer[i/8] &= ~(1 << (i%8)); + buffer[i / 8] &= ~(1 << (i % 8)); } } } static inline uint32_t buf_get_u32(const uint8_t* buffer, unsigned int first, unsigned int num) { - if ((num == 32) && (first == 0)) - { + if ((num == 32) && (first == 0)) { return (((uint32_t)buffer[3]) << 24) | (((uint32_t)buffer[2]) << 16) | (((uint32_t)buffer[1]) << 8) | (((uint32_t)buffer[0]) << 0); } else { uint32_t result = 0; - unsigned int i; - - for (i = first; i < first + num; i++) + for (unsigned i = first; i < first + num; i++) { - if (((buffer[i/8]>>(i%8))&1) == 1) - result |= 1 << (i-first); + if (((buffer[i / 8] >> (i % 8)) & 1) == 1) + result |= 1 << (i - first); } - return result; } } +/// flip_u32 inverts the bit order inside a 32-bit word (31..0 -> 0..31) uint32_t flip_u32(uint32_t value, unsigned int num); int buf_cmp(const uint8_t *buf1, const uint8_t *buf2, int size); @@ -86,12 +79,9 @@ uint8_t* buf_set_ones(uint8_t *buf, int count); uint8_t* buf_set_buf(const uint8_t *src, int src_start, uint8_t *dst, int dst_start, int len); -int str_to_buf(const char *str, int len, - uint8_t *bin_buf, int buf_size, int radix); -char* buf_to_str(const uint8_t *buf, int size, int radix); - -struct scan_field; -int buf_to_u32_handler(uint8_t *in_buf, void *priv, struct scan_field *field); +int str_to_buf(const char *str, unsigned len, + void *bin_buf, unsigned buf_size, unsigned radix); +char* buf_to_str(const void *buf, unsigned size, unsigned radix); #define CEIL(m, n) (((m) + (n) - 1) / (n))