Cleanup source structure.

[apps/pfixtools.git] / buffer.c

diff --git a/buffer.c b/buffer.c
deleted file mode 100644 (file)
index 81855fd..0000000
--- a/buffer.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/******************************************************************************/
-/*          pfixtools: a collection of postfix related tools                  */
-/*          ~~~~~~~~~                                                         */
-/*  ________________________________________________________________________  */
-/*                                                                            */
-/*  Redistribution and use in source and binary forms, with or without        */
-/*  modification, are permitted provided that the following conditions        */
-/*  are met:                                                                  */
-/*                                                                            */
-/*  1. Redistributions of source code must retain the above copyright         */
-/*     notice, this list of conditions and the following disclaimer.          */
-/*  2. Redistributions in binary form must reproduce the above copyright      */
-/*     notice, this list of conditions and the following disclaimer in the    */
-/*     documentation and/or other materials provided with the distribution.   */
-/*  3. The names of its contributors may not be used to endorse or promote    */
-/*     products derived from this software without specific prior written     */
-/*     permission.                                                            */
-/*                                                                            */
-/*  THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND   */
-/*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE     */
-/*  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR        */
-/*  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS    */
-/*  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR    */
-/*  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF      */
-/*  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  */
-/*  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN   */
-/*  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)   */
-/*  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF    */
-/*  THE POSSIBILITY OF SUCH DAMAGE.                                           */
-/******************************************************************************/
-
-/*
- * Copyright © 2006-2007 Pierre Habouzit
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#include "mem.h"
-#include "buffer.h"
-
-#define BUFSIZ_INCREMENT  256
-
-void buffer_resize(buffer_t *buf, ssize_t newsize)
-{
-    p_allocgrow(&buf->data, newsize + 1, &buf->size);
-}
-
-ssize_t buffer_addvf(buffer_t *buf, const char *fmt, va_list ap)
-{
-    ssize_t len, avail = buf->size - buf->len;
-    va_list ap2;
-
-    va_copy(ap2, ap);
-
-    len = vsnprintf(buf->data + buf->len, avail, fmt, ap);
-    if (len >= avail) {
-        buffer_resize(buf, buf->len + len);
-        avail = buf->size - buf->len;
-        len = vsnprintf(buf->data + buf->len, avail, fmt, ap2);
-    }
-    buf->len += len;
-    buf->data[buf->len] = '\0';
-    va_end(ap2);
-    return len;
-}
-
-void buffer_consume(buffer_t *buf, ssize_t len)
-{
-    if (len <= 0)
-        return;
-
-    if (len >= buf->len) {
-        buffer_reset(buf);
-        return;
-    }
-
-    memmove(buf->data, buf->data + len, buf->len + 1 - len);
-    buf->len -= len;
-}
-
-ssize_t buffer_read(buffer_t *buf, int fd, ssize_t count)
-{
-    ssize_t res;
-
-    if (count < 0)
-        count = BUFSIZ;
-
-    buffer_ensure(buf, count);
-
-    res = read(fd, buf->data + buf->len, count);
-    if (res < 0) {
-        buf->data[buf->len] = '\0';
-        return res;
-    }
-
-    buffer_extend(buf, res);
-    return res;
-}
-
-ssize_t buffer_write(buffer_t *buf, int fd)
-{
-    ssize_t res = write(fd, buf->data, buf->len);
-    if (res < 0) {
-        return errno == EINTR || errno == EAGAIN ? 0 : -1;
-    }
-    buffer_consume(buf, res);
-    return res;
-}