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enhanced index and match

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This commit is contained in:
hyung-hwan
2009-09-17 00:35:29 +00:00
parent 63c12720cb
commit ae7b0a5bdd
9 changed files with 222 additions and 37 deletions
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13
qse/lib/cmn/map.c
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@ -1,5 +1,5 @@
/*
* $Id: map.c 287 2009-09-15 10:01:02Z hyunghwan.chung $
* $Id: map.c 289 2009-09-16 06:35:29Z hyunghwan.chung $
*
Copyright 2006-2009 Chung, Hyung-Hwan.
This file is part of QSE.
@ -57,17 +57,20 @@ static int reorganize (map_t* map);
static size_t hash_key (map_t* map, const void* kptr, size_t klen)
{
size_t n = 0;
/*size_t h = 2166136261;*/
/*size_t h = 0;*/
size_t h = 5381;
const byte_t* p = (const byte_t*)kptr;
const byte_t* bound = p + klen;
while (p < bound)
{
n = n * 31 + *p++;
p++;
/*h = (h * 16777619) ^ *p++;*/
/*h = h * 31 + *p++;*/
h = ((h << 5) + h) + *p++;
}
return n;
return h ;
}
static int comp_key (map_t* map,

43
qse/lib/cmn/str_bas.c
View File

@ -1,5 +1,5 @@
/*
* $Id: str_bas.c 287 2009-09-15 10:01:02Z hyunghwan.chung $
* $Id: str_bas.c 289 2009-09-16 06:35:29Z hyunghwan.chung $
*
Copyright 2006-2009 Chung, Hyung-Hwan.
This file is part of QSE.
@ -543,6 +543,47 @@ qse_char_t* qse_strxnstr (
return QSE_NULL;
}
qse_char_t* qse_strrstr (const qse_char_t* str, const qse_char_t* sub)
{
return qse_strxnrstr (str, qse_strlen(str), sub, qse_strlen(sub));
}
qse_char_t* qse_strxrstr (
const qse_char_t* str, qse_size_t size, const qse_char_t* sub)
{
return qse_strxnrstr (str, size, sub, qse_strlen(sub));
}
qse_char_t* qse_strxnrstr (
const qse_char_t* str, qse_size_t strsz,
const qse_char_t* sub, qse_size_t subsz)
{
const qse_char_t* p = str + strsz;
const qse_char_t* subp = sub + subsz;
if (subsz == 0) return (qse_char_t*)p;
if (strsz < subsz) return QSE_NULL;
p = p - subsz;
while (p >= str)
{
const qse_char_t* x = p;
const qse_char_t* y = sub;
while (1)
{
if (y >= subp) return (qse_char_t*)p;
if (*x != *y) break;
x++; y++;
}
p--;
}
return QSE_NULL;
}
qse_char_t* qse_strchr (const qse_char_t* str, qse_cint_t c)
{
while (*str != QSE_T('\0'))