https://bugs.exim.org/show_bug.cgi?id=2756
Bug ID: 2756
Summary: Documented DFA example does not work as expected
Product: PCRE
Version: 10.36 (PCRE2)
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Code
Assignee: philip.ha...@gmail.com
Reporter: stevenjsh...@gmail.com
CC: pcre-dev@exim.org
The DFA example in the docs demonstrating finding every match does not work as
expected. (I think it's a code bug rather than a docs bug, so I chose
component as "Code".)
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
#include <stdio.h>
#include <string.h>
static const char *pattern = "<.*>";
static const char *subject =
"This is <something> <something else> <something further> no more";
#define WSCOUNT 128
int main()
{
int errorcode;
size_t erroroffset;
pcre2_code *code = pcre2_compile(
pattern,
strlen(pattern),
0,
&errorcode,
&erroroffset,
NULL
);
pcre2_match_data *matchdata = pcre2_match_data_create_from_pattern(
code,
NULL
);
int ws[WSCOUNT];
const int result = pcre2_dfa_match(
code,
subject,
strlen(subject),
0,
0,
matchdata,
NULL,
ws,
WSCOUNT
);
printf("%d\n", result);
return 0;
}
It prints 0 but should print 3.
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