diff options
Diffstat (limited to 'src/H5Tbit.c')
| -rw-r--r-- | src/H5Tbit.c | 110 |
1 files changed, 61 insertions, 49 deletions
diff --git a/src/H5Tbit.c b/src/H5Tbit.c index f85ff14..79cf3a6 100644 --- a/src/H5Tbit.c +++ b/src/H5Tbit.c @@ -31,7 +31,7 @@ /*------------------------------------------------------------------------- - * Function: H5T_bit_copy + * Function: H5T__bit_copy * * Purpose: Copies bits from one vector to another. * @@ -43,13 +43,15 @@ *------------------------------------------------------------------------- */ void -H5T_bit_copy(uint8_t *dst, size_t dst_offset, const uint8_t *src, +H5T__bit_copy(uint8_t *dst, size_t dst_offset, const uint8_t *src, size_t src_offset, size_t size) { size_t shift; size_t mask_lo, mask_hi; size_t s_idx, d_idx; + FUNC_ENTER_PACKAGE_NOERR + /* * Normalize the offset to be a byte number and a bit offset within that * byte. @@ -155,11 +157,13 @@ H5T_bit_copy(uint8_t *dst, size_t dst_offset, const uint8_t *src, size -= nbits; } /* end while */ -} /* end H5T_bit_copy() */ + + FUNC_LEAVE_NOAPI_VOID +} /* end H5T__bit_copy() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_shift + * Function: H5T__bit_shift * * Purpose: Simulation of hardware shifting. Shifts a bit vector * in a way similar to shifting a variable value, like @@ -179,13 +183,13 @@ H5T_bit_copy(uint8_t *dst, size_t dst_offset, const uint8_t *src, *------------------------------------------------------------------------- */ herr_t -H5T_bit_shift(uint8_t *buf, ssize_t shift_dist, size_t offset, size_t size) +H5T__bit_shift(uint8_t *buf, ssize_t shift_dist, size_t offset, size_t size) { uint8_t tmp_buf[512]; /* Temporary buffer */ H5WB_t *wb = NULL; /* Wrapped buffer for temporary buffer */ herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI(FAIL) + FUNC_ENTER_PACKAGE /* Sanity check */ HDassert(buf); @@ -195,7 +199,7 @@ H5T_bit_shift(uint8_t *buf, ssize_t shift_dist, size_t offset, size_t size) size_t abs_shift_dist = (size_t)ABS(shift_dist); if(abs_shift_dist >= size) - H5T_bit_set(buf, offset, size, 0); + H5T__bit_set(buf, offset, size, 0); else { size_t buf_size = (size / 8) + 1; /* Size of shift buffer needed */ uint8_t *shift_buf; /* Pointer to shift buffer */ @@ -211,18 +215,18 @@ H5T_bit_shift(uint8_t *buf, ssize_t shift_dist, size_t offset, size_t size) /* Shift vector by making copies */ if(shift_dist > 0) { /* left shift */ /* Copy part to be shifted to a temporary buffer */ - H5T_bit_copy(shift_buf, (size_t)0, buf, offset, size - abs_shift_dist); + H5T__bit_copy(shift_buf, (size_t)0, buf, offset, size - abs_shift_dist); /* Copy it back to the original buffer */ - H5T_bit_copy(buf, offset + abs_shift_dist, shift_buf, (size_t)0, size - abs_shift_dist); + H5T__bit_copy(buf, offset + abs_shift_dist, shift_buf, (size_t)0, size - abs_shift_dist); /* Zero-set the left part*/ - H5T_bit_set(buf, offset, abs_shift_dist, 0); + H5T__bit_set(buf, offset, abs_shift_dist, 0); } /* end if */ else { /* right shift */ - H5T_bit_copy(shift_buf, (size_t)0, buf, offset + abs_shift_dist, size - abs_shift_dist); - H5T_bit_copy(buf, offset, shift_buf, (size_t)0, size - abs_shift_dist); - H5T_bit_set(buf, offset + size - abs_shift_dist, abs_shift_dist, 0); + H5T__bit_copy(shift_buf, (size_t)0, buf, offset + abs_shift_dist, size - abs_shift_dist); + H5T__bit_copy(buf, offset, shift_buf, (size_t)0, size - abs_shift_dist); + H5T__bit_set(buf, offset + size - abs_shift_dist, abs_shift_dist, 0); } /* end else */ } /* end else */ } /* end if */ @@ -233,11 +237,11 @@ done: HDONE_ERROR(H5E_DATATYPE, H5E_CLOSEERROR, FAIL, "can't close wrapped buffer") FUNC_LEAVE_NOAPI(ret_value) -} /* end H5T_bit_shift() */ +} /* end H5T__bit_shift() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_get_d + * Function: H5T__bit_get_d * * Purpose: Return a small bit sequence as a number. Bit vector starts * at OFFSET and is SIZE bits long. @@ -253,17 +257,17 @@ done: *------------------------------------------------------------------------- */ uint64_t -H5T_bit_get_d(uint8_t *buf, size_t offset, size_t size) +H5T__bit_get_d(uint8_t *buf, size_t offset, size_t size) { uint64_t val = 0; size_t i, hs; uint64_t ret_value; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_PACKAGE_NOERR HDassert(8 * sizeof(val) >= size); - H5T_bit_copy((uint8_t*)&val, (size_t)0, buf, offset, size); + H5T__bit_copy((uint8_t*)&val, (size_t)0, buf, offset, size); switch(H5T_native_order_g) { case H5T_ORDER_LE: break; @@ -290,11 +294,11 @@ H5T_bit_get_d(uint8_t *buf, size_t offset, size_t size) done: FUNC_LEAVE_NOAPI(ret_value) -} /* end H5T_bit_get_d() */ +} /* end H5T__bit_get_d() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_set_d + * Function: H5T__bit_set_d * * Purpose: Sets part of a bit vector to the specified unsigned value. * @@ -306,10 +310,12 @@ done: *------------------------------------------------------------------------- */ void -H5T_bit_set_d(uint8_t *buf, size_t offset, size_t size, uint64_t val) +H5T__bit_set_d(uint8_t *buf, size_t offset, size_t size, uint64_t val) { size_t i, hs; + FUNC_ENTER_PACKAGE_NOERR + HDassert(8 * sizeof(val) >= size); switch(H5T_native_order_g) { @@ -332,12 +338,14 @@ H5T_bit_set_d(uint8_t *buf, size_t offset, size_t size, uint64_t val) HDabort(); } /* end switch */ - H5T_bit_copy(buf, offset, (uint8_t*)&val, (size_t)0, size); -} /* end H5T_bit_set_d() */ + H5T__bit_copy(buf, offset, (uint8_t*)&val, (size_t)0, size); + + FUNC_LEAVE_NOAPI_VOID +} /* end H5T__bit_set_d() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_set + * Function: H5T__bit_set * * Purpose: Sets or clears bits in a contiguous region of a vector * beginning at bit OFFSET and continuing for SIZE bits. @@ -352,10 +360,12 @@ H5T_bit_set_d(uint8_t *buf, size_t offset, size_t size, uint64_t val) *------------------------------------------------------------------------- */ void -H5T_bit_set(uint8_t *buf, size_t offset, size_t size, hbool_t value) +H5T__bit_set(uint8_t *buf, size_t offset, size_t size, hbool_t value) { int idx; + FUNC_ENTER_PACKAGE_NOERR + /* Normalize */ idx = (int)offset / 8; offset %= 8; @@ -385,11 +395,13 @@ H5T_bit_set(uint8_t *buf, size_t offset, size_t size, hbool_t value) else buf[idx] &= (uint8_t)(~(((unsigned)1 << size) - 1)); } /* end if */ -} /* end H5T_bit_set() */ + + FUNC_LEAVE_NOAPI_VOID +} /* end H5T__bit_set() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_find + * Function: H5T__bit_find * * Purpose: Finds the first bit with the specified VALUE within a region * of a bit vector. The region begins at OFFSET and continues @@ -409,7 +421,7 @@ H5T_bit_set(uint8_t *buf, size_t offset, size_t size, hbool_t value) *------------------------------------------------------------------------- */ ssize_t -H5T_bit_find(uint8_t *buf, size_t offset, size_t size, H5T_sdir_t direction, +H5T__bit_find(uint8_t *buf, size_t offset, size_t size, H5T_sdir_t direction, hbool_t value) { ssize_t base = (ssize_t)offset; @@ -417,8 +429,8 @@ H5T_bit_find(uint8_t *buf, size_t offset, size_t size, H5T_sdir_t direction, size_t iu; ssize_t ret_value = (-1); /* Return value */ - /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + /* Use FUNC_ENTER_PACKAGE_NOERR here to avoid performance issues */ + FUNC_ENTER_PACKAGE_NOERR /* Some functions call this with value=TRUE */ HDassert(TRUE == 1); @@ -496,11 +508,11 @@ H5T_bit_find(uint8_t *buf, size_t offset, size_t size, H5T_sdir_t direction, done: FUNC_LEAVE_NOAPI(ret_value) -} /* end H5T_bit_find() */ +} /* end H5T__bit_find() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_inc + * Function: H5T__bit_inc * * Purpose: Increment part of a bit field by adding 1. The bit field * starts with bit position START and is SIZE bits long. @@ -516,14 +528,14 @@ done: *------------------------------------------------------------------------- */ htri_t -H5T_bit_inc(uint8_t *buf, size_t start, size_t size) +H5T__bit_inc(uint8_t *buf, size_t start, size_t size) { size_t idx = start / 8; unsigned carry = 1; unsigned acc, mask; - /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + /* Use FUNC_ENTER_PACKAGE_NOERR here to avoid performance issues */ + FUNC_ENTER_PACKAGE_NOERR HDassert(buf); @@ -566,11 +578,11 @@ H5T_bit_inc(uint8_t *buf, size_t start, size_t size) } /* end if */ FUNC_LEAVE_NOAPI(carry ? TRUE : FALSE) -} /* end H5T_bit_inc() */ +} /* end H5T__bit_inc() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_dec + * Function: H5T__bit_dec * * Purpose: decrement part of a bit field by substracting 1. The bit * field starts with bit position START and is SIZE bits long. @@ -586,15 +598,15 @@ H5T_bit_inc(uint8_t *buf, size_t start, size_t size) *------------------------------------------------------------------------- */ htri_t -H5T_bit_dec(uint8_t *buf, size_t start, size_t size) +H5T__bit_dec(uint8_t *buf, size_t start, size_t size) { size_t idx = start / 8; size_t pos = start % 8; uint8_t tmp; unsigned borrow = 0; - /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + /* Use FUNC_ENTER_PACKAGE_NOERR here to avoid performance issues */ + FUNC_ENTER_PACKAGE_NOERR HDassert(buf); HDassert(size); @@ -645,11 +657,11 @@ H5T_bit_dec(uint8_t *buf, size_t start, size_t size) } /* end else */ FUNC_LEAVE_NOAPI(borrow ? TRUE : FALSE) -} /* end H5T_bit_dec() */ +} /* end H5T__bit_dec() */ /*------------------------------------------------------------------------- - * Function: H5T_bit_neg + * Function: H5T__bit_neg * * Purpose: negate part of a bit sequence. The bit * field starts with bit position START and is SIZE bits long. @@ -662,14 +674,14 @@ H5T_bit_dec(uint8_t *buf, size_t start, size_t size) *------------------------------------------------------------------------- */ void -H5T_bit_neg(uint8_t *buf, size_t start, size_t size) +H5T__bit_neg(uint8_t *buf, size_t start, size_t size) { size_t idx = start / 8; size_t pos = start % 8; uint8_t tmp[1]; - /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + /* Use FUNC_ENTER_PACKAGE_NOERR here to avoid performance issues */ + FUNC_ENTER_PACKAGE_NOERR HDassert(buf); HDassert(size); @@ -679,7 +691,7 @@ H5T_bit_neg(uint8_t *buf, size_t start, size_t size) /* Simply copy the negated bit field back to the original byte */ if((size + start - 1) / 8 > idx) { /*bit sequence doesn't end in the same byte as starts*/ - H5T_bit_copy(&(buf[idx]), pos, tmp, pos, (8-pos)); + H5T__bit_copy(&(buf[idx]), pos, tmp, pos, (8-pos)); idx++; size -= (8 - pos); @@ -694,12 +706,12 @@ H5T_bit_neg(uint8_t *buf, size_t start, size_t size) if(size > 0) { /* Similar to the first byte case, where sequence ends in the same byte as starts */ tmp[0] = (uint8_t)~buf[idx]; - H5T_bit_copy(&(buf[idx]), (size_t)0, tmp, (size_t)0, size); + H5T__bit_copy(&(buf[idx]), (size_t)0, tmp, (size_t)0, size); } /* end if */ } /* end if */ else /* bit sequence ends in the same byte as starts */ - H5T_bit_copy(&(buf[idx]), pos, tmp, pos, size); + H5T__bit_copy(&(buf[idx]), pos, tmp, pos, size); FUNC_LEAVE_NOAPI_VOID -} /* end H5T_bit_neg() */ +} /* end H5T__bit_neg() */ |