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-rw-r--r--lstring.c42
1 files changed, 23 insertions, 19 deletions
diff --git a/lstring.c b/lstring.c
index e9d165cc..21cad45b 100644
--- a/lstring.c
+++ b/lstring.c
@@ -1,5 +1,5 @@
1/* 1/*
2** $Id: lstring.c,v 1.62 2001/03/26 14:31:49 roberto Exp roberto $ 2** $Id: lstring.c,v 1.63 2001/06/06 18:00:19 roberto Exp roberto $
3** String table (keeps all strings handled by Lua) 3** String table (keeps all strings handled by Lua)
4** See Copyright Notice in lua.h 4** See Copyright Notice in lua.h
5*/ 5*/
@@ -47,6 +47,27 @@ void luaS_resize (lua_State *L, int newsize) {
47} 47}
48 48
49 49
50static TString *newlstr (lua_State *L, const l_char *str, size_t l, lu_hash h) {
51 TString *ts = (TString *)luaM_malloc(L, sizestring(l));
52 stringtable *tb;
53 ts->nexthash = NULL;
54 ts->len = l;
55 ts->hash = h;
56 ts->marked = 0;
57 ts->constindex = 0;
58 memcpy(getstr(ts), str, l*sizeof(l_char));
59 getstr(ts)[l] = l_c('\0'); /* ending 0 */
60 tb = &G(L)->strt;
61 h = lmod(h, tb->size);
62 ts->nexthash = tb->hash[h]; /* chain new entry */
63 tb->hash[h] = ts;
64 tb->nuse++;
65 if (tb->nuse > (ls_nstr)tb->size && tb->size <= MAX_INT/2)
66 luaS_resize(L, tb->size*2); /* too crowded */
67 return ts;
68}
69
70
50TString *luaS_newlstr (lua_State *L, const l_char *str, size_t l) { 71TString *luaS_newlstr (lua_State *L, const l_char *str, size_t l) {
51 TString *ts; 72 TString *ts;
52 lu_hash h = l; /* seed */ 73 lu_hash h = l; /* seed */
@@ -58,29 +79,12 @@ TString *luaS_newlstr (lua_State *L, const l_char *str, size_t l) {
58 if (ts->len == l && (memcmp(str, getstr(ts), l) == 0)) 79 if (ts->len == l && (memcmp(str, getstr(ts), l) == 0))
59 return ts; 80 return ts;
60 } 81 }
61 /* not found */ 82 return newlstr(L, str, l, h); /* not found */
62 ts = (TString *)luaM_malloc(L, sizestring(l));
63 ts->marked = 0;
64 ts->nexthash = NULL;
65 ts->len = l;
66 ts->hash = h;
67 ts->constindex = 0;
68 memcpy(getstr(ts), str, l*sizeof(l_char));
69 getstr(ts)[l] = 0; /* ending 0 */
70 h = lmod(h, G(L)->strt.size);
71 ts->nexthash = G(L)->strt.hash[h]; /* chain new entry */
72 G(L)->strt.hash[h] = ts;
73 G(L)->strt.nuse++;
74 if (G(L)->strt.nuse > (ls_nstr)G(L)->strt.size &&
75 G(L)->strt.size <= MAX_INT/2)
76 luaS_resize(L, G(L)->strt.size*2); /* too crowded */
77 return ts;
78} 83}
79 84
80 85
81Udata *luaS_newudata (lua_State *L, size_t s) { 86Udata *luaS_newudata (lua_State *L, size_t s) {
82 Udata *u = (Udata *)luaM_malloc(L, sizeudata(s)); 87 Udata *u = (Udata *)luaM_malloc(L, sizeudata(s));
83 u->marked = 0;
84 u->len = s; 88 u->len = s;
85 u->tag = 0; 89 u->tag = 0;
86 u->value = ((union L_UUdata *)(u) + 1); 90 u->value = ((union L_UUdata *)(u) + 1);