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#include <stdio.h>
#include "imapfilter.h"
#include "buffer.h"
/*
* Initialize buffer.
*/
void
buffer_init(buffer *buf, size_t n)
{
buf->data = (char *)xmalloc((n + 1) * sizeof(char));
*buf->data = '\0';
buf->len = 0;
buf->size = n;
}
/*
* Free allocated memory of buffer.
*/
void
buffer_free(buffer *buf)
{
if (!buf->data)
return;
xfree(buf->data);
buf->data = NULL;
}
/*
* Reset buffer.
*/
void
buffer_reset(buffer *buf)
{
*buf->data = '\0';
buf->len = 0;
}
/*
* Check if the buffer has enough space to store data and reallocate memory if
* needed.
*/
void
buffer_check(buffer *buf, size_t n)
{
while (n > buf->size) {
buf->size *= 2;
buf->data = (char *)xrealloc(buf->data, buf->size + 1);
}
}
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