27 lines
520 B
C
27 lines
520 B
C
#include <string.h>
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#include "str.h"
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#include "uint32.h"
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int bstr_diff(const char* a,const char* b) {
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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 && *b)
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return str_diff(a,b);
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if (*a) A=a+str_len(a); else { A=a+5+uint32_read(a+1); a+=5; }
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if (*b) B=b+str_len(b); else { B=b+5+uint32_read(b+1); b+=5; }
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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=(*a-*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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