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use frexible array for nsubs cache

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This commit is contained in:
Kyryl Melekhin
2021-07-31 11:06:40 +00:00
parent 668127891c
commit 27704df099
1 changed files with 5 additions and 4 deletions
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9
pike.c
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@@ -101,7 +101,7 @@ typedef struct rsub rsub;
struct rsub struct rsub
{ {
int ref; int ref;
const char *sub[128]; const char *sub[];
}; };
typedef struct rthread rthread; typedef struct rthread rthread;
@@ -455,7 +455,7 @@ if (csub->ref > 1) { \
if (s1) \ if (s1) \
freesub = (rsub*)s1->sub[0]; \ freesub = (rsub*)s1->sub[0]; \
else \ else \
s1 = &nsubs[subidx++]; \ s1 = (rsub*)&nsubs[rsubsize * subidx++]; \
for (j = 0; j < nsubp; j++) \ for (j = 0; j < nsubp; j++) \
s1->sub[j] = csub->sub[j]; \ s1->sub[j] = csub->sub[j]; \
csub->ref--; \ csub->ref--; \
@@ -532,12 +532,13 @@ nlist->n = 0; \
int re_pikevm(rcode *prog, const char *s, const char **subp, int nsubp) int re_pikevm(rcode *prog, const char *s, const char **subp, int nsubp)
{ {
int i, j, c, l = 0, *npc, gen = 1, subidx = 1; int i, j, c, l = 0, *npc, gen = 1, subidx = 1;
int rsubsize = sizeof(rsub)+(sizeof(char*)*nsubp);
const char *sp = s; const char *sp = s;
rsub nsubs[256];
int plist[prog->unilen]; int plist[prog->unilen];
int *pcs[prog->splits]; int *pcs[prog->splits];
rsub *subs[prog->splits]; rsub *subs[prog->splits];
rsub *nsub = nsubs, *lsub = nsub, *matched = NULL, *s1; char nsubs[rsubsize*256];
rsub *nsub = (rsub*)nsubs, *lsub = nsub, *matched = NULL, *s1;
rsub *freesub = NULL; rsub *freesub = NULL;
rthreadlist _clist[1+prog->len]; rthreadlist _clist[1+prog->len];
rthreadlist _nlist[1+prog->len]; rthreadlist _nlist[1+prog->len];