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69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
#include <assert.h>
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#include <libowfat/uint16.h>
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#include <libowfat/uint32.h>
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#include <libowfat/uint64.h>
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#include <libowfat/byte.h>
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int main() {
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char buf[8];
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{
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uint16 a;
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buf[0]=buf[1]=0;
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uint16_pack_big(buf,0xabcd);
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assert((unsigned char)buf[0]==0xab && (unsigned char)buf[1]==0xcd);
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uint16_unpack_big(buf,&a);
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assert(a==0xabcd);
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assert(uint16_read_big(buf)==0xabcd);
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buf[0]=buf[1]=0;
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uint16_pack(buf,0xabcd);
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assert((unsigned char)buf[0]==0xcd && (unsigned char)buf[1]==0xab);
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uint16_unpack(buf,&a);
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assert(a==0xabcd);
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assert(uint16_read(buf)==0xabcd);
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}
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{
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uint32 a;
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buf[0]=buf[1]=buf[2]=buf[3]=0;
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uint32_pack_big(buf,0x89abcdef);
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assert((unsigned char)buf[0]==0x89 && (unsigned char)buf[1]==0xab &&
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(unsigned char)buf[2]==0xcd && (unsigned char)buf[3]==0xef);
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uint32_unpack_big(buf,&a);
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assert(a==0x89abcdef);
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assert(uint32_read_big(buf)==0x89abcdef);
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buf[0]=buf[1]=buf[2]=buf[3]=0;
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uint32_pack(buf,0x89abcdef);
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assert((unsigned char)buf[3]==0x89 && (unsigned char)buf[2]==0xab &&
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(unsigned char)buf[1]==0xcd && (unsigned char)buf[0]==0xef);
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uint32_unpack(buf,&a);
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assert(a==0x89abcdef);
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assert(uint32_read(buf)==0x89abcdef);
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}
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{
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uint64 a;
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unsigned int i;
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byte_zero(buf,sizeof(buf));
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uint64_pack_big(buf,0x8182838485868788ull);
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for (i=0; i<8; ++i) assert((unsigned char)buf[i]==i+0x81);
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uint64_unpack_big(buf,&a);
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assert(a==0x8182838485868788ull);
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assert(uint64_read_big(buf)==0x8182838485868788ull);
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byte_zero(buf,sizeof(buf));
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uint64_pack(buf,0x8182838485868788ull);
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for (i=0; i<8; ++i) assert((unsigned char)buf[7-i]==i+0x81);
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uint64_unpack(buf,&a);
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assert(a==0x8182838485868788ull);
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assert(uint64_read(buf)==0x8182838485868788ull);
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}
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}
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