Updated slre_match() signature

This commit is contained in:
Sergey Lyubka 2013-08-07 13:30:02 +01:00
parent 43c80386e0
commit 01e046e331

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@ -7,8 +7,7 @@ expression syntax. Main features of SLRE are:
* Written in strict ANSI C'89
* Small size (compiled x86 code is about 5kB)
* Uses little stack and does no dynamic memory allocation
* Provides [intuitive simple
API](https://github.com/cesanta/slre/blob/master/slre.h)
* Provides simple intuitive API
* Implements most useful subset of Perl regex syntax (see below)
* Easily extensible. E.g. if one wants to introduce a new
metacharacter `\i`, meaning "IPv4 address", it is easy to do so with SLRE.
@ -41,8 +40,7 @@ most.
## API
int slre_match(const char *regexp, const char *buf, int buf_len,
struct slre_cap *caps, const char **error_msg);
struct slre_cap *caps, int num_caps, const char **error_msg);
`slre_match()` matches string buffer `buf` of length `buf_len` against
regular expression `regexp`, which should conform the syntax outlined
@ -60,8 +58,7 @@ N-th member of the `caps` array will contain fragment that corresponds
to the N-th opening bracket in the `regex`.
`slre_match()` returns 0 if there is no match found. Otherwise, it returns
the number scanned bytes from the beginning of the string. This way,
it is easy to do repetitive matches.
the number scanned bytes from the beginning of the string.
## Example: parsing HTTP request line