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authorFlorian Dold <florian.dold@gmail.com>2020-01-15 11:45:53 +0100
committerFlorian Dold <florian.dold@gmail.com>2020-01-15 11:46:05 +0100
commit4c488a1d0ee668486d03fb5ad64924411c81b9a1 (patch)
treee8c5538978abac133cc81f57b53ee80d8021d83f /src/util
parent3fa213e41e82a93f8f5c5cd59b599ff78d0acc3a (diff)
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buffer lib has moved to GNUnet
Diffstat (limited to 'src/util')
-rw-r--r--src/util/Makefile.am1
-rw-r--r--src/util/buffer.c226
-rw-r--r--src/util/util.c49
3 files changed, 25 insertions, 251 deletions
diff --git a/src/util/Makefile.am b/src/util/Makefile.am
index 3e76a6ba..35abe4a1 100644
--- a/src/util/Makefile.am
+++ b/src/util/Makefile.am
@@ -42,7 +42,6 @@ libtalerutil_wallet_la_LDFLAGS = \
libtalerutil_la_SOURCES = \
amount.c \
- buffer.c \
crypto.c \
crypto_wire.c \
util.c \
diff --git a/src/util/buffer.c b/src/util/buffer.c
deleted file mode 100644
index 85762322..00000000
--- a/src/util/buffer.c
+++ /dev/null
@@ -1,226 +0,0 @@
-/*
- This file is part of TALER
- Copyright (C) 2019 GNUnet e.V.
-
- TALER 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.
-
- TALER 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
- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
-*/
-/**
- * @file util.c
- * @brief Common buffer management functions; we might choose to move those to GNUnet at some point
- * @author Florian Dold
- */
-#include "platform.h"
-#include "taler_util.h"
-#include <gcrypt.h>
-
-/**
- * Initialize a buffer with the given capacity.
- *
- * When a buffer is allocated with this function, a warning is logged
- * when the buffer exceeds the initial capacity.
- *
- * @param buf the buffer to initialize
- * @param capacity the capacity (in bytes) to allocate for @a buf
- */
-void
-TALER_buffer_prealloc (struct TALER_Buffer *buf, size_t capacity)
-{
- /* Buffer should be zero-initialized */
- GNUNET_assert (0 == buf->mem);
- GNUNET_assert (0 == buf->capacity);
- GNUNET_assert (0 == buf->position);
- buf->mem = GNUNET_malloc (capacity);
- buf->capacity = capacity;
- buf->warn_grow = GNUNET_YES;
-}
-
-
-/**
- * Make sure that at least @a n bytes remaining in the buffer.
- *
- * @param buf buffer to potentially grow
- * @param n number of bytes that should be available to write
- */
-void
-TALER_buffer_ensure_remaining (struct TALER_Buffer *buf, size_t n)
-{
- size_t new_capacity = buf->position + n;
-
- if (new_capacity <= buf->capacity)
- return;
- /* warn if calculation of expected size was wrong */
- GNUNET_break (GNUNET_YES != buf->warn_grow);
- if (new_capacity < buf->capacity * 2)
- new_capacity = buf->capacity * 2;
- buf->capacity = new_capacity;
- if (NULL != buf->mem)
- buf->mem = GNUNET_realloc (buf->mem, new_capacity);
- else
- buf->mem = GNUNET_malloc (new_capacity);
-}
-
-
-/**
- * Write bytes to the buffer.
- *
- * Grows the buffer if necessary.
- *
- * @param buf buffer to write to
- * @param data data to read from
- * @param len number of bytes to copy from @a data to @a buf
- *
- */
-void
-TALER_buffer_write (struct TALER_Buffer *buf, const char *data, size_t len)
-{
- TALER_buffer_ensure_remaining (buf, len);
- memcpy (buf->mem + buf->position, data, len);
- buf->position += len;
-}
-
-
-/**
- * Write a 0-terminated string to a buffer, excluding the 0-terminator.
- *
- * @param buf the buffer to write to
- * @param str the string to write to @a buf
- */
-void
-TALER_buffer_write_str (struct TALER_Buffer *buf, const char *str)
-{
- size_t len = strlen (str);
-
- TALER_buffer_write (buf, str, len);
-}
-
-
-/**
- * Clear the buffer and return the string it contained.
- * The caller is responsible to eventually #GNUNET_free
- * the returned string.
- *
- * The returned string is always 0-terminated.
- *
- * @param buf the buffer to reap the string from
- * @returns the buffer contained in the string
- */
-char *
-TALER_buffer_reap_str (struct TALER_Buffer *buf)
-{
- char *res;
-
- /* ensure 0-termination */
- if ( (0 == buf->position) || ('\0' != buf->mem[buf->position - 1]))
- {
- TALER_buffer_ensure_remaining (buf, 1);
- buf->mem[buf->position++] = '\0';
- }
- res = buf->mem;
- *buf = (struct TALER_Buffer) { 0 };
- return res;
-}
-
-
-/**
- * Free the backing memory of the given buffer.
- * Does not free the memory of the buffer control structure,
- * which is typically stack-allocated.
- */
-void
-TALER_buffer_clear (struct TALER_Buffer *buf)
-{
- GNUNET_free_non_null (buf->mem);
- *buf = (struct TALER_Buffer) { 0 };
-}
-
-
-/**
- * Write a path component to a buffer, ensuring that
- * there is exactly one slash between the previous contents
- * of the buffer and the new string.
- *
- * @param buf buffer to write to
- * @param str string containing the new path component
- */
-void
-TALER_buffer_write_path (struct TALER_Buffer *buf, const char *str)
-{
- size_t len = strlen (str);
-
- while ( (0 != len) && ('/' == str[0]) )
- {
- str++;
- len--;
- }
- if ( (0 == buf->position) || ('/' != buf->mem[buf->position - 1]) )
- {
- TALER_buffer_ensure_remaining (buf, 1);
- buf->mem[buf->position++] = '/';
- }
- TALER_buffer_write (buf, str, len);
-}
-
-
-/**
- * Write a 0-terminated formatted string to a buffer, excluding the
- * 0-terminator.
- *
- * Grows the buffer if necessary.
- *
- * @param buf the buffer to write to
- * @param fmt format string
- * @param ... format arguments
- */
-void
-TALER_buffer_write_fstr (struct TALER_Buffer *buf, const char *fmt, ...)
-{
- va_list args;
-
- va_start (args, fmt);
- TALER_buffer_write_vfstr (buf, fmt, args);
- va_end (args);
-}
-
-
-/**
- * Write a 0-terminated formatted string to a buffer, excluding the
- * 0-terminator.
- *
- * Grows the buffer if necessary.
- *
- * @param buf the buffer to write to
- * @param fmt format string
- * @param args format argument list
- */
-void
-TALER_buffer_write_vfstr (struct TALER_Buffer *buf,
- const char *fmt,
- va_list args)
-{
- int res;
- va_list args2;
-
- va_copy (args2, args);
- res = vsnprintf (NULL, 0, fmt, args2);
- va_end (args2);
-
- GNUNET_assert (res >= 0);
- TALER_buffer_ensure_remaining (buf, res + 1);
-
- va_copy (args2, args);
- res = vsnprintf (buf->mem + buf->position, res + 1, fmt, args2);
- va_end (args2);
-
- GNUNET_assert (res >= 0);
- buf->position += res;
- GNUNET_assert (buf->position <= buf->capacity);
-}
diff --git a/src/util/util.c b/src/util/util.c
index 42c3b7e7..531bd27f 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -22,6 +22,7 @@
*/
#include "platform.h"
+#include "gnunet/gnunet_buffer_lib.h"
#include "taler_util.h"
#include <gcrypt.h>
@@ -216,14 +217,14 @@ urlencode_len (const char *s)
* @param s string to encode
*/
static void
-buffer_write_urlencode (struct TALER_Buffer *buf, const char *s)
+buffer_write_urlencode (struct GNUNET_Buffer *buf, const char *s)
{
- TALER_buffer_ensure_remaining (buf, urlencode_len (s) + 1);
+ GNUNET_buffer_ensure_remaining (buf, urlencode_len (s) + 1);
for (size_t i = 0; i < strlen (s); i++)
{
if (GNUNET_YES == is_reserved (s[i]))
- TALER_buffer_write_fstr (buf, "%%%02X", s[i]);
+ GNUNET_buffer_write_fstr (buf, "%%%02X", s[i]);
else
buf->mem[buf->position++] = s[i];
}
@@ -239,10 +240,10 @@ buffer_write_urlencode (struct TALER_Buffer *buf, const char *s)
char *
TALER_urlencode (const char *s)
{
- struct TALER_Buffer buf = { 0 };
+ struct GNUNET_Buffer buf = { 0 };
buffer_write_urlencode (&buf, s);
- return TALER_buffer_reap_str (&buf);
+ return GNUNET_buffer_reap_str (&buf);
}
@@ -263,7 +264,7 @@ TALER_url_join (const char *base_url,
{
unsigned int iparam = 0;
va_list args;
- struct TALER_Buffer buf = { 0 };
+ struct GNUNET_Buffer buf = { 0 };
size_t len;
GNUNET_assert (NULL != base_url);
@@ -311,9 +312,9 @@ TALER_url_join (const char *base_url,
}
va_end (args);
- TALER_buffer_prealloc (&buf, len);
- TALER_buffer_write_str (&buf, base_url);
- TALER_buffer_write_str (&buf, path);
+ GNUNET_buffer_prealloc (&buf, len);
+ GNUNET_buffer_write_str (&buf, base_url);
+ GNUNET_buffer_write_str (&buf, path);
va_start (args, path);
while (1)
@@ -327,15 +328,15 @@ TALER_url_join (const char *base_url,
value = va_arg (args, char *);
if (NULL == value)
continue;
- TALER_buffer_write_str (&buf, (0 == iparam) ? "?" : "&");
+ GNUNET_buffer_write_str (&buf, (0 == iparam) ? "?" : "&");
iparam++;
- TALER_buffer_write_str (&buf, key);
- TALER_buffer_write_str (&buf, "=");
+ GNUNET_buffer_write_str (&buf, key);
+ GNUNET_buffer_write_str (&buf, "=");
buffer_write_urlencode (&buf, value);
}
va_end (args);
- return TALER_buffer_reap_str (&buf);
+ return GNUNET_buffer_reap_str (&buf);
}
@@ -357,7 +358,7 @@ TALER_url_absolute_raw_va (const char *proto,
const char *path,
va_list args)
{
- struct TALER_Buffer buf = { 0 };
+ struct GNUNET_Buffer buf = { 0 };
unsigned int iparam = 0;
size_t len = 0;
va_list args2;
@@ -380,14 +381,14 @@ TALER_url_absolute_raw_va (const char *proto,
}
va_end (args2);
- TALER_buffer_prealloc (&buf, len);
+ GNUNET_buffer_prealloc (&buf, len);
- TALER_buffer_write_str (&buf, proto);
- TALER_buffer_write_str (&buf, "://");
- TALER_buffer_write_str (&buf, host);
+ GNUNET_buffer_write_str (&buf, proto);
+ GNUNET_buffer_write_str (&buf, "://");
+ GNUNET_buffer_write_str (&buf, host);
- TALER_buffer_write_path (&buf, prefix);
- TALER_buffer_write_path (&buf, path);
+ GNUNET_buffer_write_path (&buf, prefix);
+ GNUNET_buffer_write_path (&buf, path);
va_copy (args2, args);
while (1)
@@ -400,15 +401,15 @@ TALER_url_absolute_raw_va (const char *proto,
value = va_arg (args, char *);
if (NULL == value)
continue;
- TALER_buffer_write_str (&buf, (0 == iparam) ? "?" : "&");
+ GNUNET_buffer_write_str (&buf, (0 == iparam) ? "?" : "&");
iparam++;
- TALER_buffer_write_str (&buf, key);
- TALER_buffer_write_str (&buf, "=");
+ GNUNET_buffer_write_str (&buf, key);
+ GNUNET_buffer_write_str (&buf, "=");
buffer_write_urlencode (&buf, value);
}
va_end (args2);
- return TALER_buffer_reap_str (&buf);
+ return GNUNET_buffer_reap_str (&buf);
}