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diff -ur chntpw-080526/ntreg.c chntpw-080526.novalue/ntreg.c
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--- chntpw-080526/ntreg.c 2009-06-08 14:44:09.000000000 +0100
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+++ chntpw-080526.novalue/ntreg.c 2009-06-08 14:43:48.000000000 +0100
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@@ -2667,21 +2667,23 @@
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value = (char *)get_val_data(hdesc, nkofs, vex.name, vex.type, TPF_VK_EXACT);
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len = get_val_len(hdesc, nkofs, vex.name, TPF_VK_EXACT);
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- if (vex.type == REG_BINARY) {
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- fprintf(file, "\"%s\"=hex:", vex.name);
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- } else {
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- fprintf(file, "\"%s\"=hex(%x):", vex.name, vex.type);
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- }
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- byte = 0;
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- while (byte < len) { /* go byte by byte.. probably slow.. */
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- fprintf(file, "%02x,", (unsigned char)value[byte]);
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- byte++;
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- if (!(byte % 20)) fprintf(file, "\\\r\n ");
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- }
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- fprintf(file, "%02x\r\n", (unsigned char)value[byte]);
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- }
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+ if (value && len >= 0) {
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+ if (vex.type == REG_BINARY) {
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+ fprintf(file, "\"%s\"=hex:", vex.name);
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+ } else {
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+ fprintf(file, "\"%s\"=hex(%x):", vex.name, vex.type);
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+ }
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+ byte = 0;
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+ while (byte < len) { /* go byte by byte.. probably slow.. */
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+ fprintf(file, "%02x,", (unsigned char)value[byte]);
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+ byte++;
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+ if (!(byte % 20)) fprintf(file, "\\\r\n ");
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+ }
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+ fprintf(file, "%02x\r\n", (unsigned char)value[byte]);
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- FREE(vex.name);
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+ FREE(vex.name);
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+ }
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+ }
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}
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}
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