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closes[t:2502] Implement rot13 on the hint for inames

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git-svn-id: file:///svn/toku/tokudb@19100 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Yoni Fogel 2013-04-16 23:59:05 -04:00
parent 1440b4a3b9
commit 5a37ca9fcd
1 changed files with 20 additions and 1 deletions
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21
src/ydb.c
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@ -4172,6 +4172,21 @@ db_open_subdb(DB * db, DB_TXN * txn, const char *fname, const char *dbname, DBTY
return r;
}
static inline char
rot13(char c) {
char r;
char a;
if (isupper(c)) {
a = 'A';
}
else {
assert(islower(c));
a = 'a';
}
r = (c - a + 13) % 26 + a;
return r;
}
static void
create_iname_hint(const char *dname, char *hint) {
//Requires: size of hint array must be > strlen(dname)
@ -4180,7 +4195,11 @@ create_iname_hint(const char *dname, char *hint) {
BOOL underscored = FALSE;
while (*dname) {
if (isalnum(*dname)) {
*hint++ = *dname++;
char c = *dname++;
if (isupper(c) || islower(c)) {
c = rot13(c);
}
*hint++ = c;
underscored = FALSE;
}
else {