/*
* util.c
- *
+ */
+
+/*
* Copyright (C) 2010 Carl Thijssen
* Copyright (C) 2012 Eric Biggers
*
- * wimlib - Library for working with WIM files
+ * This file is part of wimlib, a library for working with WIM files.
*
- * This library is free software; you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by the Free
- * Software Foundation; either version 2.1 of the License, or (at your option) any
- * later version.
+ * wimlib is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 2.1 of the License, or (at your option)
+ * any later version.
*
- * This library 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 Lesser General Public License for more details.
+ * wimlib 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 Lesser General Public License for more
+ * details.
*
- * You should have received a copy of the GNU Lesser General Public License along
- * with this library; if not, write to the Free Software Foundation, Inc., 59
- * Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
#include "wimlib_internal.h"
#include "endianness.h"
#include "sha1.h"
+#include "timestamp.h"
+#include <sys/time.h>
#include <iconv.h>
#include <unistd.h>
#include <errno.h>
-/* True if WIMLIB is to print an informational message when an error occurs.
- * This can be turned off by calling wimlib_set_error_messages(false). */
+/* True if wimlib is to print an informational message when an error occurs.
+ * This can be turned off by calling wimlib_set_print_errors(false). */
#ifdef ENABLE_ERROR_MESSAGES
#include <stdarg.h>
bool __wimlib_print_errors = false;
va_start(va, format);
errno_save = errno;
- fputs("ERROR: ", stderr);
+ fputs("[ERROR] ", stderr);
vfprintf(stderr, format, va);
+ putc('\n', stderr);
+ errno = errno_save;
+ va_end(va);
+ }
+}
+
+void wimlib_error_with_errno(const char *format, ...)
+{
+ if (__wimlib_print_errors) {
+ va_list va;
+ int errno_save;
+
+ va_start(va, format);
+ errno_save = errno;
+ fputs("[ERROR] ", stderr);
+ vfprintf(stderr, format, va);
+ fprintf(stderr, ": %s\n", strerror(errno_save));
errno = errno_save;
va_end(va);
}
va_start(va, format);
errno_save = errno;
- fputs("WARNING: ", stderr);
+ fputs("[WARNING] ", stderr);
vfprintf(stderr, format, va);
+ putc('\n', stderr);
errno = errno_save;
va_end(va);
}
= "Tried to select an image that does not exist in the WIM",
[WIMLIB_ERR_INVALID_INTEGRITY_TABLE]
= "The WIM's integrity table is invalid",
+ [WIMLIB_ERR_INVALID_LOOKUP_TABLE_ENTRY]
+ = "An entry in the WIM's lookup table is invalid",
[WIMLIB_ERR_INVALID_PARAM]
= "An invalid parameter was given",
+ [WIMLIB_ERR_INVALID_RESOURCE_HASH]
+ = "The SHA1 message digest of a WIM resource did not match the expected value",
[WIMLIB_ERR_INVALID_RESOURCE_SIZE]
= "A resource entry in the WIM is invalid",
[WIMLIB_ERR_LINK]
"identify a WIM file",
[WIMLIB_ERR_NO_FILENAME]
= "The WIM is not identified with a filename",
+ [WIMLIB_ERR_NOT_ROOT]
+ = "Root privileges are required for this operation",
+ [WIMLIB_ERR_NTFS_3G]
+ = "NTFS-3g encountered an error (check errno)",
[WIMLIB_ERR_OPEN]
= "Failed to open a file",
[WIMLIB_ERR_OPENDIR]
= "Failed to open a directory",
[WIMLIB_ERR_READ]
= "Could not read data from a file",
+ [WIMLIB_ERR_READLINK]
+ = "Could not read the target of a symbolic link",
[WIMLIB_ERR_RENAME]
= "Could not rename a file",
+ [WIMLIB_ERR_SPECIAL_FILE]
+ = "Encountered a special file that cannot be archived",
[WIMLIB_ERR_SPLIT_INVALID]
= "The WIM is part of an invalid split WIM",
[WIMLIB_ERR_SPLIT_UNSUPPORTED]
#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
-void *(*wimlib_malloc_func)(size_t) = malloc;
-void (*wimlib_free_func)(void *) = free;
+void *(*wimlib_malloc_func) (size_t) = malloc;
+void (*wimlib_free_func) (void *) = free;
void *(*wimlib_realloc_func)(void *, size_t) = realloc;
void *wimlib_calloc(size_t nmemb, size_t size)
xml_set_memory_allocator(wimlib_malloc_func, wimlib_free_func,
wimlib_realloc_func);
+ return 0;
#else
- ERROR("Cannot set custom memory allocator functions:\n");
- ERROR("wimlib was compiled with the "
- "--without-custom-memory-allocator flag\n");
+ ERROR("Cannot set custom memory allocator functions:");
+ ERROR("wimlib was compiled with the --without-custom-memory-allocator "
+ "flag");
return WIMLIB_ERR_UNSUPPORTED;
#endif
}
/* Converts a string in the UTF-16 encoding to a newly allocated string in the
* UTF-8 encoding. */
char *utf16_to_utf8(const char *utf16_str, size_t utf16_len,
- size_t *utf8_len_ret)
+ size_t *utf8_len_ret)
{
if (cd_utf16_to_utf8 == (iconv_t)(-1)) {
cd_utf16_to_utf8 = iconv_open("UTF-8", "UTF-16LE");
if (cd_utf16_to_utf8 == (iconv_t)-1) {
- ERROR("Failed to get conversion descriptor for "
- "converting UTF-16LE to UTF-8: %m\n");
+ ERROR_WITH_ERRNO("Failed to get conversion descriptor "
+ "for converting UTF-16LE to UTF-8");
return NULL;
}
}
&utf16_bytes_left, &utf8_str, &utf8_bytes_left);
if (num_chars_converted == (size_t)(-1)) {
- ERROR("Failed to convert UTF-16LE string to UTF-8 string: "
- "%m\n");
+ ERROR_WITH_ERRNO("Failed to convert UTF-16LE string to UTF-8 "
+ "string");
FREE(orig_utf8_str);
return NULL;
}
/* Converts a string in the UTF-8 encoding to a newly allocated string in the
* UTF-16 encoding. */
-char *utf8_to_utf16(const char *utf8_str, size_t utf8_len,
- size_t *utf16_len_ret)
+char *utf8_to_utf16(const char *utf8_str, size_t utf8_len,
+ size_t *utf16_len_ret)
{
if (cd_utf8_to_utf16 == (iconv_t)(-1)) {
cd_utf8_to_utf16 = iconv_open("UTF-16LE", "UTF-8");
if (cd_utf8_to_utf16 == (iconv_t)-1) {
- ERROR("Failed to get conversion descriptor for "
- "converting UTF-8 to UTF-16LE: %m\n");
+ ERROR_WITH_ERRNO("Failed to get conversion descriptor "
+ "for converting UTF-8 to UTF-16LE");
return NULL;
}
}
&utf8_bytes_left, &utf16_str, &utf16_bytes_left);
if (num_chars_converted == (size_t)(-1)) {
- ERROR("Failed to convert UTF-8 string to UTF-16LE string: "
- "%s\n",
- (errno == E2BIG) ?
- "Not enough room in output buffer" :
- strerror(errno));
+ ERROR_WITH_ERRNO("Failed to convert UTF-8 string to UTF-16LE "
+ "string");
FREE(orig_utf16_str);
return NULL;
}
}
/* Fills @n bytes pointer to by @p with random numbers. */
-void randomize_byte_array(void *__p, size_t n)
+void randomize_byte_array(u8 *p, size_t n)
{
- u8 *p = __p;
-
if (!seeded) {
srand(time(NULL));
seeded = true;
return p + 1;
}
+/*
+ * Returns a pointer to the part of @path following the first colon in the last
+ * path component, or NULL if the last path component does not contain a colon.
+ */
+const char *path_stream_name(const char *path)
+{
+ const char *base = path_basename(path);
+ const char *stream_name = strchr(base, ':');
+ if (!stream_name)
+ return NULL;
+ else
+ return stream_name + 1;
+}
+
/*
* Splits a file path into the part before the first '/', or the entire name if
* there is no '/', and the part after the first sequence of '/' characters.
}
}
-/* Calculates the SHA1 message digest given the name of a file.
- * @buf must point to a buffer of length 20 bytes into which the message digest
- * is written.
- */
-int sha1sum(const char *filename, void *buf)
+u64 get_wim_timestamp()
{
- FILE *fp;
- int ret;
-
- fp = fopen(filename, "rb");
- if (!fp) {
- ERROR("Cannot open the file `%s' for reading: %m\n", filename);
- return WIMLIB_ERR_OPEN;
- }
- ret = sha1_stream(fp, buf);
- fclose(fp);
- return ret;
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return timeval_to_wim_timestamp(&tv);
}
+
+
git://wimlib.net / wimlib / blobdiff