diff options
author | Campbell Barton <ideasman42@gmail.com> | 2012-09-03 11:37:38 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2012-09-03 11:37:38 +0400 |
commit | d248f94cf8b3a715297f3e512d0b10c7d7b7a0c1 (patch) | |
tree | 71275d90db69d9f434d69bc0422486dd35830fca /source/blender/blenlib/BLI_endian_switch_inline.h | |
parent | ca6fa937d498691faf77fa58f7c6c4128ac05866 (diff) |
add endian switch functions to replace macros SWITCH_INT/LONG/SHORT, with BLI_endian_switch_int32/int64/float/double...
Diffstat (limited to 'source/blender/blenlib/BLI_endian_switch_inline.h')
-rw-r--r-- | source/blender/blenlib/BLI_endian_switch_inline.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_endian_switch_inline.h b/source/blender/blenlib/BLI_endian_switch_inline.h new file mode 100644 index 00000000000..b747da3b738 --- /dev/null +++ b/source/blender/blenlib/BLI_endian_switch_inline.h @@ -0,0 +1,116 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Contributor(s): Campbell Barton + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/* only include from header */ +#ifndef __BLI_ENDIAN_SWITCH_H__ +# error "this file isnt to be directly included" +#endif + +#ifndef __BLI_ENDIAN_SWITCH_INLINE_H__ +#define __BLI_ENDIAN_SWITCH_INLINE_H__ + +/** \file blender/blenlib/BLI_endian_switch_inline.h + * \ingroup bli + */ + + +BLI_INLINE void BLI_endian_switch_int16(short *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; + p_i[0] = p_i[1]; + p_i[1] = s_i; +} + +BLI_INLINE void BLI_endian_switch_uint16(unsigned short *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; + p_i[0] = p_i[1]; + p_i[1] = s_i; +} + +BLI_INLINE void BLI_endian_switch_int32(int *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; p_i[0] = p_i[3]; p_i[3] = s_i; + s_i = p_i[1]; p_i[1] = p_i[2]; p_i[2] = s_i; +} + +BLI_INLINE void BLI_endian_switch_uint32(unsigned int *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; p_i[0] = p_i[3]; p_i[3] = s_i; + s_i = p_i[1]; p_i[1] = p_i[2]; p_i[2] = s_i; +} + +BLI_INLINE void BLI_endian_switch_float(float *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; p_i[0] = p_i[3]; p_i[3] = s_i; + s_i = p_i[1]; p_i[1] = p_i[2]; p_i[2] = s_i; +} + +BLI_INLINE void BLI_endian_switch_int64(int64_t *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; p_i[0] = p_i[7]; p_i[7] = s_i; + s_i = p_i[1]; p_i[1] = p_i[6]; p_i[6] = s_i; + s_i = p_i[2]; p_i[2] = p_i[5]; p_i[5] = s_i; + s_i = p_i[3]; p_i[3] = p_i[4]; p_i[4] = s_i; +} + +BLI_INLINE void BLI_endian_switch_uint64(uint64_t *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; p_i[0] = p_i[7]; p_i[7] = s_i; + s_i = p_i[1]; p_i[1] = p_i[6]; p_i[6] = s_i; + s_i = p_i[2]; p_i[2] = p_i[5]; p_i[5] = s_i; + s_i = p_i[3]; p_i[3] = p_i[4]; p_i[4] = s_i; +} + +BLI_INLINE void BLI_endian_switch_double(double *val) +{ + char *p_i = (char *)val; + char s_i; + + s_i = p_i[0]; p_i[0] = p_i[7]; p_i[7] = s_i; + s_i = p_i[1]; p_i[1] = p_i[6]; p_i[6] = s_i; + s_i = p_i[2]; p_i[2] = p_i[5]; p_i[5] = s_i; + s_i = p_i[3]; p_i[3] = p_i[4]; p_i[4] = s_i; +} + +#endif /* __BLI_ENDIAN_SWITCH_INLINE_H__ */ |