#include <string.h>
-#include <stdlib.h>
#include <stdint.h>
static char *twobyte_strstr(const unsigned char *h, const unsigned char *n)
return *h ? (char *)h-3 : 0;
}
-#if 0
-static char *naive_strstr(const char *h, const char *n)
-{
- size_t i;
- for (i=0; n[i] && h[i]; i++)
- for ( ; n[i] != h[i]; h++, i=0);
- return n[i] ? 0 : (char *)h;
-}
-#endif
-
#define MAX(a,b) ((a)>(b)?(a):(b))
#define MIN(a,b) ((a)<(b)?(a):(b))
if (z-h < l) {
/* Fast estimate for MIN(l,63) */
size_t grow = l | 63;
- const char *z2 = memchr(z, 0, grow);
+ const unsigned char *z2 = memchr(z, 0, grow);
if (z2) {
z = z2;
if (z-h < l) return 0;
k = l-shift[h[l-1]];
//printf("adv by %zu (on %c) at [%s] (%zu;l=%zu)\n", k, h[l-1], h, shift[h[l-1]], l);
if (k) {
- if (mem0 && mem && k < p) k = l-p;
+ if (mem && k < p) k = l-p;
h += k;
mem = 0;
continue;
}
/* Compare left half */
for (k=ms+1; k>mem && n[k-1] == h[k-1]; k--);
- if (k == mem) return (char *)h;
+ if (k <= mem) return (char *)h;
h += p;
mem = mem0;
}
h = strchr(h, *n);
if (!h || !n[1]) return (char *)h;
if (!h[1]) return 0;
- if (!n[2]) return twobyte_strstr(h, n);
+ if (!n[2]) return twobyte_strstr((void *)h, (void *)n);
if (!h[2]) return 0;
- if (!n[3]) return threebyte_strstr(h, n);
+ if (!n[3]) return threebyte_strstr((void *)h, (void *)n);
if (!h[3]) return 0;
- if (!n[4]) return fourbyte_strstr(h, n);
+ if (!n[4]) return fourbyte_strstr((void *)h, (void *)n);
- return twoway_strstr(h, n);
+ return twoway_strstr((void *)h, (void *)n);
}