/*
This file is part of GNUnet.
- (C) 2006, 2009, 2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2006, 2009, 2013 GNUnet e.V.
- GNUnet 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, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file util/bio.c
* @author Christian Grothoff
*/
#include "platform.h"
-#include "gnunet_bio_lib.h"
-#include "gnunet_disk_lib.h"
+#include "gnunet_util_lib.h"
+
+#define LOG(kind,...) GNUNET_log_from (kind, "util-bio",__VA_ARGS__)
+
+#ifndef PATH_MAX
+/**
+ * Assumed maximum path length (for source file names).
+ */
+#define PATH_MAX 4096
+#endif
-#define LOG(kind,...) GNUNET_log_from (kind, "util",__VA_ARGS__)
/**
* Size for I/O buffers.
- */
+ */
#define BIO_BUFFER_SIZE 65536
/**
* @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
-GNUNET_BIO_read (struct GNUNET_BIO_ReadHandle *h,
+GNUNET_BIO_read (struct GNUNET_BIO_ReadHandle *h,
const char *what,
void *result, size_t len)
{
{
if (min > len - pos)
min = len - pos;
- memcpy (&dst[pos], &h->buffer[h->pos], min);
+ GNUNET_memcpy (&dst[pos],
+ &h->buffer[h->pos],
+ min);
h->pos += min;
pos += min;
}
if (pos == len)
return GNUNET_OK; /* done! */
- GNUNET_assert (h->have == h->pos);
+ GNUNET_assert (((off_t) h->have) == h->pos);
/* fill buffer */
- ret = GNUNET_DISK_file_read (h->fd, h->buffer, h->size);
+ ret = GNUNET_DISK_file_read (h->fd,
+ h->buffer,
+ h->size);
if (-1 == ret)
{
GNUNET_asprintf (&h->emsg,
if (0 == ret)
{
GNUNET_asprintf (&h->emsg,
- _("Error reading `%s': %s"),
+ _("Error reading `%s': %s"),
what,
_("End of file"));
return GNUNET_SYSERR;
* @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
-GNUNET_BIO_read_fn (struct GNUNET_BIO_ReadHandle *h,
- const char *file,
+GNUNET_BIO_read_fn (struct GNUNET_BIO_ReadHandle *h,
+ const char *file,
int line,
- void *result,
+ void *result,
size_t len)
{
- char what[1024];
+ char what[PATH_MAX + 1024];
GNUNET_snprintf (what, sizeof (what), "%s:%d", file, line);
return GNUNET_BIO_read (h, what, result, len);
int
GNUNET_BIO_read_string (struct GNUNET_BIO_ReadHandle *h,
const char *what,
- char **result,
+ char **result,
size_t max_length)
{
char *buf;
* @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
-GNUNET_BIO_read_meta_data (struct GNUNET_BIO_ReadHandle *h,
+GNUNET_BIO_read_meta_data (struct GNUNET_BIO_ReadHandle *h,
const char *what,
struct GNUNET_CONTAINER_MetaData **result)
{
char *buf;
struct GNUNET_CONTAINER_MetaData *meta;
- if (GNUNET_BIO_read_int32 (h, (int32_t *) & size) != GNUNET_OK)
+ if (GNUNET_OK !=
+ GNUNET_BIO_read_int32 (h,
+ (int32_t *) & size))
return GNUNET_SYSERR;
if (size == 0)
{
{
GNUNET_asprintf (&h->emsg,
_("Serialized metadata `%s' larger than allowed (%u>%u)"),
- what, size, MAX_META_DATA);
+ what,
+ size,
+ MAX_META_DATA);
return GNUNET_SYSERR;
}
buf = GNUNET_malloc (size);
- if (GNUNET_OK != GNUNET_BIO_read (h, what, buf, size))
+ if (GNUNET_OK !=
+ GNUNET_BIO_read (h,
+ what,
+ buf,
+ size))
{
GNUNET_free (buf);
return GNUNET_SYSERR;
}
- meta = GNUNET_CONTAINER_meta_data_deserialize (buf, size);
- if (meta == NULL)
+ meta = GNUNET_CONTAINER_meta_data_deserialize (buf,
+ size);
+ if (NULL == meta)
{
GNUNET_free (buf);
- GNUNET_asprintf (&h->emsg, _("Metadata `%s' failed to deserialize"), what);
+ GNUNET_asprintf (&h->emsg,
+ _("Metadata `%s' failed to deserialize"),
+ what);
return GNUNET_SYSERR;
}
GNUNET_free (buf);
* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
-GNUNET_BIO_read_int32__ (struct GNUNET_BIO_ReadHandle *h, const char *file,
- int line, int32_t * i)
+GNUNET_BIO_read_int32__ (struct GNUNET_BIO_ReadHandle *h,
+ const char *file,
+ int line,
+ int32_t * i)
{
int32_t big;
- if (GNUNET_OK != GNUNET_BIO_read_fn (h, file, line, &big, sizeof (int32_t)))
+ if (GNUNET_OK !=
+ GNUNET_BIO_read_fn (h,
+ file,
+ line,
+ &big,
+ sizeof (int32_t)))
return GNUNET_SYSERR;
*i = ntohl (big);
return GNUNET_OK;
* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
-GNUNET_BIO_read_int64__ (struct GNUNET_BIO_ReadHandle *h,
+GNUNET_BIO_read_int64__ (struct GNUNET_BIO_ReadHandle *h,
const char *file,
- int line,
+ int line,
int64_t *i)
{
int64_t big;
- if (GNUNET_OK != GNUNET_BIO_read_fn (h, file, line, &big, sizeof (int64_t)))
+ if (GNUNET_OK !=
+ GNUNET_BIO_read_fn (h,
+ file,
+ line,
+ &big,
+ sizeof (int64_t)))
return GNUNET_SYSERR;
*i = GNUNET_ntohll (big);
return GNUNET_OK;
* Underlying file handle.
*/
struct GNUNET_DISK_FileHandle *fd;
-
+
/**
* I/O buffer. Do not free, allocated at the end of the struct.
*/
int ret;
ret = GNUNET_SYSERR;
- if ( (NULL != h->fd) && (GNUNET_OK == (ret = GNUNET_BIO_flush (h))) )
+ if ( (NULL != h->fd) &&
+ (GNUNET_OK == (ret = GNUNET_BIO_flush (h))) )
GNUNET_DISK_file_close (h->fd);
GNUNET_free (h);
return ret;
{
ssize_t ret;
- ret = GNUNET_DISK_file_write (h->fd, h->buffer, h->have);
- if (ret != h->have)
+ ret = GNUNET_DISK_file_write (h->fd,
+ h->buffer,
+ h->have);
+ if (ret != (ssize_t) h->have)
{
GNUNET_DISK_file_close (h->fd);
h->fd = NULL;
* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
-GNUNET_BIO_write (struct GNUNET_BIO_WriteHandle *h, const void *buffer,
+GNUNET_BIO_write (struct GNUNET_BIO_WriteHandle *h,
+ const void *buffer,
size_t n)
{
const char *src = buffer;
min = h->size - h->have;
if (min > n - pos)
min = n - pos;
- memcpy (&h->buffer[h->have], &src[pos], min);
+ GNUNET_memcpy (&h->buffer[h->have],
+ &src[pos],
+ min);
pos += min;
h->have += min;
if (pos == n)
* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
-GNUNET_BIO_write_string (struct GNUNET_BIO_WriteHandle *h,
+GNUNET_BIO_write_string (struct GNUNET_BIO_WriteHandle *h,
const char *s)
{
uint32_t slen;
* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
-GNUNET_BIO_write_int32 (struct GNUNET_BIO_WriteHandle *h,
+GNUNET_BIO_write_int32 (struct GNUNET_BIO_WriteHandle *h,
int32_t i)
{
int32_t big;
* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
-GNUNET_BIO_write_int64 (struct GNUNET_BIO_WriteHandle *h,
+GNUNET_BIO_write_int64 (struct GNUNET_BIO_WriteHandle *h,
int64_t i)
{
int64_t big;
projects / oweals / gnunet.git / blobdiff