diff options
Diffstat (limited to 'src/H5Tbit.c')
| -rw-r--r-- | src/H5Tbit.c | 145 |
1 files changed, 74 insertions, 71 deletions
diff --git a/src/H5Tbit.c b/src/H5Tbit.c index 948a6eb..a5340a6 100644 --- a/src/H5Tbit.c +++ b/src/H5Tbit.c @@ -395,10 +395,10 @@ 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; + ssize_t base = (ssize_t)offset; ssize_t idx, i; size_t iu; ssize_t ret_value=(-1); /* Return value */ @@ -407,78 +407,81 @@ H5T_bit_find (uint8_t *buf, size_t offset, size_t size, H5T_sdir_t direction, FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5T_bit_find); /* Some functions call this with value=TRUE */ - assert (TRUE==1); - - switch (direction) { - case H5T_BIT_LSB: - /* Calculate index */ - idx = (ssize_t)(offset / 8); - offset %= 8; - - /* Beginning */ - if (offset) { - for (iu=offset; iu<8 && size>0; iu++, size--) { - if (value==(hbool_t)((buf[idx]>>iu) & 0x01)) - HGOTO_DONE(8*idx+(ssize_t)iu - base); - } - offset = 0; - idx++; - } - /* Middle */ - while (size>=8) { - if ((value?0x00:0xff)!=buf[idx]) { - for (i=0; i<8; i++) { - if (value==(hbool_t)((buf[idx]>>i) & 0x01)) - HGOTO_DONE(8*idx+i - base); - } - } - size -= 8; - idx++; - } - /* End */ - for (i=0; i<(ssize_t)size; i++) { - if (value==(hbool_t)((buf[idx]>>i) & 0x01)) - HGOTO_DONE(8*idx+i - base); - } - break; - - case H5T_BIT_MSB: - /* Calculate index */ - idx = (ssize_t)((offset+size-1) / 8); - offset %= 8; - - /* Beginning */ - if (size>8-offset && (offset+size)%8) { - for (iu=(offset+size)%8; iu>0; --iu, --size) { - if (value==(hbool_t)((buf[idx]>>(iu-1)) & 0x01)) - HGOTO_DONE(8*idx+(ssize_t)(iu-1) - base); - } - --idx; - } - /* Middle */ - while (size>=8) { - if ((value?0x00:0xff)!=buf[idx]) { - for (i=7; i>=0; --i) { - if (value==(hbool_t)((buf[idx]>>i) & 0x01)) - HGOTO_DONE(8*idx+i - base); - } - } - size -= 8; - --idx; - } - /* End */ - if (size>0) { - for (iu=offset+size; iu>offset; --iu) { - if (value==(hbool_t)((buf[idx]>>(iu-1)) & 0x01)) - HGOTO_DONE(8*idx+(ssize_t)(iu-1) - base); - } - } - break; - } + HDassert(TRUE == 1); + + switch(direction) { + case H5T_BIT_LSB: + /* Calculate index */ + idx = (ssize_t)(offset / 8); + offset %= 8; + + /* Beginning */ + if (offset) { + for (iu=offset; iu<8 && size>0; iu++, size--) { + if (value==(hbool_t)((buf[idx]>>iu) & 0x01)) + HGOTO_DONE(8*idx+(ssize_t)iu - base); + } + offset = 0; + idx++; + } + /* Middle */ + while (size>=8) { + if ((value?0x00:0xff)!=buf[idx]) { + for (i=0; i<8; i++) { + if (value==(hbool_t)((buf[idx]>>i) & 0x01)) + HGOTO_DONE(8*idx+i - base); + } + } + size -= 8; + idx++; + } + /* End */ + for (i=0; i<(ssize_t)size; i++) { + if (value==(hbool_t)((buf[idx]>>i) & 0x01)) + HGOTO_DONE(8*idx+i - base); + } + break; + + case H5T_BIT_MSB: + /* Calculate index */ + idx = (ssize_t)((offset+size-1) / 8); + offset %= 8; + + /* Beginning */ + if (size>8-offset && (offset+size)%8) { + for (iu=(offset+size)%8; iu>0; --iu, --size) { + if (value==(hbool_t)((buf[idx]>>(iu-1)) & 0x01)) + HGOTO_DONE(8*idx+(ssize_t)(iu-1) - base); + } + --idx; + } + /* Middle */ + while (size>=8) { + if ((value?0x00:0xff)!=buf[idx]) { + for (i=7; i>=0; --i) { + if (value==(hbool_t)((buf[idx]>>i) & 0x01)) + HGOTO_DONE(8*idx+i - base); + } + } + size -= 8; + --idx; + } + /* End */ + if (size>0) { + for (iu=offset+size; iu>offset; --iu) { + if (value==(hbool_t)((buf[idx]>>(iu-1)) & 0x01)) + HGOTO_DONE(8*idx+(ssize_t)(iu-1) - base); + } + } + break; + + default: + HDassert(0 && "Unknown bit search direction"); + } /* end switch */ done: FUNC_LEAVE_NOAPI(ret_value); -} +} /* end H5T_bit_find() */ /*------------------------------------------------------------------------- |