38 lines
651 B
C++
38 lines
651 B
C++
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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int binnary_diff(const char* file1, const char* file2)
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{
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FILE* fp1 = fopen(file1, "rb");
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FILE* fp2 = fopen(file2, "rb");
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char packet1[4 * 1024];
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char packet2[4 * 1024];
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for(int i = 0; 1; i++)
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{
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int r1 = fread(packet1, 1, sizeof(packet1), fp1);
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int r2 = fread(packet2, 1, sizeof(packet2), fp2);
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int r = r1 < r2 ? r1 : r2;
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if (r < 1)
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break; // eof
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if (0 != memcmp(packet1, packet2, r))
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{
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for (int j = 0; j < r; j++)
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{
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if (packet1[j] != packet2[j])
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break;
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}
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}
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if(r1 != r2)
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break;
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}
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fclose(fp1);
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fclose(fp2);
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return 0;
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}
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