#ifndef STRINGLIB_FASTSEARCH_H

#error must include "stringlib/fastsearch.h" before including this module

Py_LOCAL_INLINE(void)

STRINGLIB(replace_1char_inplace)(STRINGLIB_CHAR* s, STRINGLIB_CHAR* end,

Py_UCS4 u1, Py_UCS4 u2, Py_ssize_t maxcount)

{

*s = u2;

while (--maxcount && ++s != end) {

/* Find the next character to be replaced.

if (*s != u1) {

int attempts = 10;

/* search u1 in a dummy loop */

while (1) {

if (++s == end)

return;

if (*s == u1)

break;

if (!--attempts) {

/* if u1 was not found for attempts iterations,

#ifdef STRINGLIB_FAST_MEMCHR

s++;

s = STRINGLIB_FAST_MEMCHR(s, u1, end - s);

if (s == NULL)

return;

Py_ssize_t i;

STRINGLIB_CHAR ch1 = (STRINGLIB_CHAR) u1;

s++;

i = FASTSEARCH(s, end - s, &ch1, 1, 0, FAST_SEARCH);

if (i < 0)

return;

s += i;

/* restart the dummy loop */

break;

}

}

}

*s = u2;

}

}