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If two strings are invalid UTF-8, the string is first compared with
memcmp(), which compares as unsigned char.
If the strings are of different lengths and one is a substring of the
other, the memcmp() returns 0 and a second comparison is made which
assumes the next character in the shorter string is '\0' -- but this
comparison was done using SIGNED chars (on most systems). That leads
to non-transitive comparisons.
Consider the strings {"a\xff", "a", "ab\xff"} under that system.
"a\xff" < "a", because (char)0xff == -1.
"ab\xff" > "a", because 'b' == 98.
"ab\xff" < "a\xff", because memcmp("ab\xff", "a\xff", 2) avoiding the
signed char tiebreaker.
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| .. | ||
| ABI | ||
| common | ||
| docs | ||
| examples | ||
| include | ||
| ldb_key_value | ||
| ldb_ldap | ||
| ldb_ldb | ||
| ldb_map | ||
| ldb_mdb | ||
| ldb_sqlite3 | ||
| ldb_tdb | ||
| man | ||
| modules | ||
| nssldb | ||
| tests | ||
| tools | ||
| web | ||
| _ldb_text.py | ||
| configure | ||
| Doxyfile | ||
| examples.dox | ||
| ldb.pc.in | ||
| mainpage.dox | ||
| Makefile | ||
| pyldb_util.c | ||
| pyldb-util.pc.in | ||
| pyldb.c | ||
| pyldb.h | ||
| README_gcov.txt | ||
| wscript | ||