cbuf/read.c File Reference

#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include "cbuf.h"
#include "stream.h"

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Functions
ssize_t	cbufRead (Cbuf this, Stream st)

Detailed Description

Author

Georg Hopp

Copyright

Copyright © 2012 Georg Hopp

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file cbuf/read.c.

Function Documentation

ssize_t cbufRead	(	Cbuf	this,
		Stream	st
	)

Definition at line 32 of file cbuf/read.c.

References cbufGetFree(), cbufGetWrite(), cbufIncWrite(), ECBUFOVFL, and streamRead().

Referenced by httpParserParse().

{
    size_t  rsize = cbufGetFree(this);
    ssize_t rrsize;

    if (0 == rsize) {
        errno = ECBUFOVFL;
        return -1;
    }

    rrsize = streamRead(st, cbufGetWrite(this), rsize);

    if (0 < rrsize) {
        cbufIncWrite(this, rrsize);
    }

    return rrsize;
}

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