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/*
* Creative Commons has made the contents of this file
* available under a CC-GNU-LGPL license:
*
* http://creativecommons.org/licenses/LGPL/2.1/
*
* A copy of the full license can be found as part of this
* distribution in the file COPYING.
*
* You may use the liblicense software in accordance with the
* terms of that license. You agree that you are solely
* responsible for your use of the liblicense software and you
* represent and warrant to Creative Commons that your use
* of the liblicense software will comply with the CC-GNU-LGPL.
*
* Copyright 2007-2008, Creative Commons, www.creativecommons.org.
* Copyright 2007, Scott Shawcroft.
* Copyright (C) 2007 Peter Miller
*/
#include "liblicense.h"
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <unistd.h>
#define COPY_FILE_BUFSIZE 4096
static void copy_file(const char * infile, const char * outfile) {
FILE * in_fd = fopen(infile, "r");
assert(in_fd != NULL);
FILE * out_fd = fopen(outfile, "w");
assert(out_fd != NULL);
int num_read_bytes = 0;
int num_write_bytes = 0;
char buf[COPY_FILE_BUFSIZE];
while (! feof(in_fd)) {
num_read_bytes = fread(buf, 1, COPY_FILE_BUFSIZE, in_fd);
num_write_bytes = fwrite(buf, 1, num_read_bytes, out_fd);
assert(num_read_bytes == num_write_bytes);
}
fclose(in_fd);
fclose(out_fd);
}
static const int _LL_PATH_MAX = 4096;
static void get(const char * filename,
const char * predicate,
const char * expected_result) {
char * got_result = ll_read(filename, predicate);
if (expected_result == NULL) { /* expected empty */
assert(got_result == NULL);
/* success */
}
else {
assert (got_result != NULL);
/* otherwise, check the strings */
assert (strcmp(got_result, expected_result) == 0);
/* success */
}
}
static void set_then_get(const char * filename,
const char * predicate,
const char * expected_result) {
int success = ll_write(filename, predicate, expected_result);
assert(success);
get(filename, predicate, expected_result);
}
void path_join(char * buffer, int buffer_size, char * dirname, char * basename) {
/* Honestly, is this what C programmers do? */
int remaining = buffer_size - 1; /* Zero padded */
/* Zero that buffer */
memset(buffer, 0, buffer_size);
/* Jam the dirname in */
strncat(buffer, dirname, remaining);
remaining -= strlen(dirname);
assert (remaining > 0);
/* Add the slash... */
strncat(buffer, "/", remaining);
remaining -= strlen("/");
assert(remaining > 0);
/* Slide the basename on */
strncat(buffer, basename, remaining);
}
int main() {
const char * mp3 = "../tests/data_empty.mp3";
const char * pdf = "../tests/data_empty.pdf";
const char * png = "../tests/data_empty.png";
ll_init();
char * tempfile = malloc(_LL_PATH_MAX);
char * tempdir = malloc(_LL_PATH_MAX);
strcpy(tempdir, "/tmp/liblicense_test_dir.XXXXXX");
assert(mkdtemp(tempdir) > -1);
/* First, copy in the MP3 to the temp file */
path_join(tempfile, _LL_PATH_MAX, tempdir, "data_empty.mp3");
copy_file(mp3, tempfile);
set_then_get(tempfile, LL_LICENSE, "http://creativecommons.org/licenses/by/2.0/");
set_then_get(tempfile, LL_WEBSTATEMENT, "http://example.com/statement/");
set_then_get(tempfile, LL_MORE_PERMISSIONS, NULL);
unlink(tempfile);
/* Copy pasta for PDF :-( */
path_join(tempfile, _LL_PATH_MAX, tempdir, "data_empty.pdf");
/* First, copy in the PDF to the temp file */
copy_file(pdf, tempfile);
/* This PDF *only* work because the PDF has an XMP fragment
* already in it that can store the changes we ask for.
* Sad but true - see http://code.creativecommons.org/issues/issue99
*/
set_then_get(tempfile, LL_LICENSE, "http://creativecommons.org/licenses/by/2.0/");
set_then_get(tempfile, LL_WEBSTATEMENT, "http://example.com/statement/");
set_then_get(tempfile, LL_MORE_PERMISSIONS, NULL);
unlink(tempfile);
/* Copy pasta for PNG */
path_join(tempfile, _LL_PATH_MAX, tempdir, "sample.png");
copy_file(png, tempfile);
set_then_get(tempfile, LL_LICENSE, "http://creativecommons.org/licenses/by/2.0/");
set_then_get(tempfile, LL_WEBSTATEMENT, "http://example.com/statement/");
set_then_get(tempfile, LL_MORE_PERMISSIONS,
"http://example.com/give-us-all-all-your-money/");
unlink(tempfile);
return 0;
}
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