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authorDavid Robillard <d@drobilla.net>2019-03-17 23:49:10 +0100
committerDavid Robillard <d@drobilla.net>2019-04-13 19:15:32 +0200
commitdd7f57a7d955a323c5691ec64dd96e9b0a5a2553 (patch)
tree58f62490c75c52891d900139aa630bbd04d1e979 /src
parent14c2fe14b90c1057b2829b7008423ef9bf79edef (diff)
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Clean up and expose base64 implementation
Diffstat (limited to 'src')
-rw-r--r--src/base64.c20
-rw-r--r--src/base64.h45
-rw-r--r--src/node.c3
3 files changed, 13 insertions, 55 deletions
diff --git a/src/base64.c b/src/base64.c
index b82f0389..e557fdf8 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -14,8 +14,6 @@
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include "base64.h"
-
#include "serd_internal.h"
#include "string_utils.h"
@@ -59,11 +57,17 @@ encode_chunk(uint8_t out[4], const uint8_t in[3], size_t n_in)
}
size_t
-serd_base64_get_length(const size_t size, const bool wrap_lines)
+serd_base64_encoded_length(const size_t size, const bool wrap_lines)
{
return (size + 2) / 3 * 4 + (wrap_lines * ((size - 1) / 57));
}
+size_t
+serd_base64_decoded_size(const size_t len)
+{
+ return (len * 3) / 4 + 2;
+}
+
bool
serd_base64_encode(char* const str,
const void* const buf,
@@ -104,13 +108,12 @@ decode_chunk(const uint8_t in[4], uint8_t out[3])
return 1 + (in[2] != '=') + ((in[2] != '=') && (in[3] != '='));
}
-void*
-serd_base64_decode(const char* str, size_t len, size_t* size)
+SerdStatus
+serd_base64_decode(void* buf, size_t* size, const char* str, size_t len)
{
const uint8_t* ustr = (const uint8_t*)str;
- void* buf = malloc((len * 3) / 4 + 2);
- *size = 0;
+ *size = 0;
for (size_t i = 0, j = 0; i < len; j += 3) {
uint8_t in[] = "====";
size_t n_in = 0;
@@ -122,5 +125,6 @@ serd_base64_decode(const char* str, size_t len, size_t* size)
*size += decode_chunk(in, (uint8_t*)buf + j);
}
}
- return buf;
+
+ return SERD_SUCCESS;
}
diff --git a/src/base64.h b/src/base64.h
deleted file mode 100644
index cb89491c..00000000
--- a/src/base64.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- Copyright 2011-2018 David Robillard <http://drobilla.net>
-
- Permission to use, copy, modify, and/or distribute this software for any
- purpose with or without fee is hereby granted, provided that the above
- copyright notice and this permission notice appear in all copies.
-
- THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-
-#ifndef SERD_BASE64_H
-#define SERD_BASE64_H
-
-#include <stdbool.h>
-#include <stddef.h>
-
-/**
- Return the number of bytes required to encode `size` bytes in base64.
-
- @param size The number of input (binary) bytes to encode.
- @param wrap_lines Wrap lines at 76 characters to conform to RFC 2045.
- @return The length of the base64 encoding, excluding null terminator.
-*/
-size_t
-serd_base64_get_length(size_t size, bool wrap_lines);
-
-/**
- Encode `size` bytes of `buf` into `str`, which must be large enough.
-
- @param str Output string buffer.
- @param buf Input binary data.
- @param size Number of bytes to encode from `buf`.
- @param wrap_lines Wrap lines at 76 characters to conform to RFC 2045.
- @return True iff `str` contains newlines.
-*/
-bool
-serd_base64_encode(char* str, const void* buf, size_t size, bool wrap_lines);
-
-#endif // SERD_BASE64_H
diff --git a/src/node.c b/src/node.c
index 20312815..af18d095 100644
--- a/src/node.c
+++ b/src/node.c
@@ -16,7 +16,6 @@
#include "node.h"
-#include "base64.h"
#include "serd_internal.h"
#include "string_utils.h"
@@ -623,7 +622,7 @@ serd_new_blob(const void* buf,
}
const SerdNode* type = datatype ? datatype : &serd_xsd_base64Binary.node;
- const size_t len = serd_base64_get_length(size, wrap_lines);
+ const size_t len = serd_base64_encoded_length(size, wrap_lines);
const size_t type_len = serd_node_total_size(type);
const size_t total_len = len + 1 + type_len;