31 lines
520 B
C
31 lines
520 B
C
#include <string.h>
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#include <libowfat/str.h>
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#include <libowfat/uint32.h>
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#include "bstr.h"
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int bstr_diff2(const char* a,const char* b,size_t blen) {
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const char* A,* B;
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int j;
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/* like str_diff, just for bstrs */
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if (*a)
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A=a+str_len(a);
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else {
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A=a+5+uint32_read(a+1);
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a+=5;
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}
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B=b+blen;
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for (;;) {
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if (a==A) {
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if (b==B)
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return 0;
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else
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return -1;
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} else
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if (b==B)
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return 1;
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if ((j=((unsigned char)*a-(unsigned char)*b))) break;
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++a; ++b;
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}
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return j;
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}
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