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#include "string.ih"
char *string_str_replace(char const *left,
char const *search, char const *replace)
{
size_t searchlen = search ? strlen(search) : 0;
register char const *right;
String out;
if (!searchlen) /* search should have some length */
return new_str(left);
{
string_construct(&out, 0);
while ((right = strstr(left, search)))
{
string_additerators(&out, left, right);
string_addstr(&out, replace);
left = right + searchlen;
}
string_addstr(&out, left); /* append the final tail */
return string_release(&out);
}
}
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