BadVPN – Blame information for rev 1
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| 1 | office | 1 | /** |
| 2 | * @file blimits.h |
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| 3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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| 4 | * |
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| 5 | * @section LICENSE |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions are met: |
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| 9 | * 1. Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * 3. Neither the name of the author nor the |
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| 15 | * names of its contributors may be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 30 | #ifndef BADVPN_BLIMITS_H |
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| 31 | #define BADVPN_BLIMITS_H |
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| 32 | |||
| 33 | #include <stdint.h> |
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| 34 | |||
| 35 | #define BTYPE_IS_SIGNED(type) ((type)-1 < 0) |
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| 36 | |||
| 37 | #define BSIGNED_TYPE_MIN(type) ( \ |
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| 38 | sizeof(type) == 1 ? INT8_MIN : ( \ |
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| 39 | sizeof(type) == 2 ? INT16_MIN : ( \ |
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| 40 | sizeof(type) == 4 ? INT32_MIN : ( \ |
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| 41 | sizeof(type) == 8 ? INT64_MIN : 0)))) |
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| 42 | |||
| 43 | #define BSIGNED_TYPE_MAX(type) ( \ |
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| 44 | sizeof(type) == 1 ? INT8_MAX : ( \ |
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| 45 | sizeof(type) == 2 ? INT16_MAX : ( \ |
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| 46 | sizeof(type) == 4 ? INT32_MAX : ( \ |
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| 47 | sizeof(type) == 8 ? INT64_MAX : 0)))) |
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| 48 | |||
| 49 | #define BUNSIGNED_TYPE_MIN(type) ((type)0) |
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| 50 | |||
| 51 | #define BUNSIGNED_TYPE_MAX(type) ( \ |
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| 52 | sizeof(type) == 1 ? UINT8_MAX : ( \ |
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| 53 | sizeof(type) == 2 ? UINT16_MAX : ( \ |
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| 54 | sizeof(type) == 4 ? UINT32_MAX : ( \ |
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| 55 | sizeof(type) == 8 ? UINT64_MAX : 0)))) |
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| 56 | |||
| 57 | #define BTYPE_MIN(type) (BTYPE_IS_SIGNED(type) ? BSIGNED_TYPE_MIN(type) : BUNSIGNED_TYPE_MIN(type)) |
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| 58 | #define BTYPE_MAX(type) (BTYPE_IS_SIGNED(type) ? BSIGNED_TYPE_MAX(type) : BUNSIGNED_TYPE_MAX(type)) |
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| 59 | |||
| 60 | #endif |