#include "config.h"
-#define MINGW_HAS_SECURE_API
#undef _GNU_SOURCE
/* Make sure the POSIX-compatible strerror_r() is declared, rather than the GNU
* version, which has a different return type. */
-#define _POSIX_C_SOURCE 200112
#include <string.h>
+
#define _GNU_SOURCE
-#include "wimlib_internal.h"
#include "endianness.h"
#include "timestamp.h"
+#include "wimlib_internal.h"
#include <ctype.h>
#include <errno.h>
-#include <stdlib.h>
#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
-#include <unistd.h> /* for getpid() */
-size_t
+#ifdef __WIN32__
+# include "win32.h"
+# define pread win32_pread
+# define pwrite win32_pwrite
+# define writev win32_writev
+#else
+# include <sys/uio.h> /* for writev() and `struct iovec' */
+#endif
+
+static size_t
utf16le_strlen(const utf16lechar *s)
{
const utf16lechar *p = s;
return (p - s) * sizeof(utf16lechar);
}
-/* Handle %W for UTF16-LE printing and %U for UTF-8 printing.
+#ifdef __WIN32__
+# define wimlib_vfprintf vfwprintf
+#else
+/* Handle %W for UTF16-LE printing.
*
* TODO: this is not yet done properly--- it's assumed that if the format string
- * contains %W and/or %U, then it contains no other format specifiers.
+ * contains %W, then it contains no other format specifiers.
*/
static int
wimlib_vfprintf(FILE *fp, const tchar *format, va_list va)
{
const tchar *p;
+ int n;
for (p = format; *p; p++)
- if (*p == '%' && (*(p + 1) == T('W') || *(p + 1) == T('U')))
+ if (*p == T('%') && *(p + 1) == T('W'))
goto special;
return tvfprintf(fp, format, va);
special:
- /* XXX */
- wimlib_assert(0);
-#if 0
- ;
- int n = 0;
+ n = 0;
for (p = format; *p; p++) {
- if (*p == T('%') && (*(p + 1) == T('W') || *(p + 1) == T('U'))) {
+ if (*p == T('%') && (*(p + 1) == T('W'))) {
int ret;
- tchar *mbs;
- size_t mbs_nbytes;
+ tchar *tstr;
+ size_t tstr_nbytes;
+ utf16lechar *ucs = va_arg(va, utf16lechar*);
- if (*(p + 1) == T('W')) {
- utf16lechar *ucs = va_arg(va, utf16lechar*);
+ if (ucs) {
size_t ucs_nbytes = utf16le_strlen(ucs);
- ret = utf16le_to_mbs(ucs, ucs_nbytes,
- &mbs, &mbs_nbytes);
- } else {
- utf8char *ucs = va_arg(va, utf8char*);
- size_t ucs_nbytes = strlen(ucs);
- ret = utf8_to_mbs(ucs, ucs_nbytes,
- &mbs, &mbs_nbytes);
- }
- if (ret) {
- ret = tfprintf(fp, T("??????"));
+
+ ret = utf16le_to_tstr(ucs, ucs_nbytes,
+ &tstr, &tstr_nbytes);
+ if (ret) {
+ ret = tfprintf(fp, T("??????"));
+ } else {
+ ret = tfprintf(fp, T("%"TS), tstr);
+ FREE(tstr);
+ }
+ if (ret < 0)
+ return -1;
+ else
+ n += ret;
} else {
- ret = tfprintf(fp, T("%s"), mbs);
- FREE(mbs);
+ n += tfprintf(fp, T("(null)"));
}
- if (ret < 0)
- return -1;
- else
- n += ret;
p++;
} else {
- if (putc(*p, fp) == EOF)
+ if (tputc(*p, fp) == EOF)
return -1;
n++;
}
}
return n;
-#endif
}
int
va_end(va);
return ret;
}
+#endif
#if defined(ENABLE_ERROR_MESSAGES) || defined(ENABLE_DEBUG)
static void
tfprintf(stderr, T(": %"TS), buf);
}
tputc(T('\n'), stderr);
+ fflush(stderr);
errno = errno_save;
#ifndef DEBUG
}
va_list va;
va_start(va, format);
- wimlib_vmsg(T("[ERROR] "), format, va, false);
+ wimlib_vmsg(T("\r[ERROR] "), format, va, false);
va_end(va);
}
va_list va;
va_start(va, format);
- wimlib_vmsg(T("[ERROR] "), format, va, true);
+ wimlib_vmsg(T("\r[ERROR] "), format, va, true);
va_end(va);
}
va_list va;
va_start(va, format);
- wimlib_vmsg(T("[WARNING] "), format, va, false);
+ wimlib_vmsg(T("\r[WARNING] "), format, va, false);
va_end(va);
}
va_list va;
va_start(va, format);
- wimlib_vmsg(T("[WARNING] "), format, va, true);
+ wimlib_vmsg(T("\r[WARNING] "), format, va, true);
va_end(va);
}
void wimlib_debug(const tchar *file, int line, const char *func,
const tchar *format, ...)
{
-
va_list va;
tchar buf[tstrlen(file) + strlen(func) + 30];
- tsprintf(buf, "[%"TS" %d] %s(): ", file, line, func);
+ tsprintf(buf, T("[%"TS" %d] %s(): "), file, line, func);
va_start(va, format);
wimlib_vmsg(buf, format, va, false);
[WIMLIB_ERR_IMAGE_COUNT]
= T("Inconsistent image count among the metadata "
"resources, the WIM header, and/or the XML data"),
+ [WIMLIB_ERR_INSUFFICIENT_PRIVILEGES_TO_EXTRACT]
+ = T("User does not have sufficient privileges to correctly extract the data"),
[WIMLIB_ERR_IMAGE_NAME_COLLISION]
= T("Tried to add an image with a name that is already in use"),
[WIMLIB_ERR_INTEGRITY]
= T("An invalid parameter was given"),
[WIMLIB_ERR_INVALID_PART_NUMBER]
= T("The part number or total parts of the WIM is invalid"),
+ [WIMLIB_ERR_INVALID_REPARSE_DATA]
+ = T("The reparse data of a reparse point was invalid"),
[WIMLIB_ERR_INVALID_RESOURCE_HASH]
= T("The SHA1 message digest of a WIM resource did not match the expected value"),
[WIMLIB_ERR_INVALID_RESOURCE_SIZE]
[WIMLIB_ERR_NOT_A_WIM_FILE]
= T("The file did not begin with the magic characters that "
"identify a WIM file"),
+ [WIMLIB_ERR_NOT_A_REGULAR_FILE]
+ = T("One of the specified paths to extract did not "
+ "correspond to a regular file"),
[WIMLIB_ERR_NO_FILENAME]
= T("The WIM is not identified with a filename"),
[WIMLIB_ERR_NTFS_3G]
= T("Failed to open a file"),
[WIMLIB_ERR_OPENDIR]
= T("Failed to open a directory"),
+ [WIMLIB_ERR_PATH_DOES_NOT_EXIST]
+ = T("The path does not exist in the WIM image"),
[WIMLIB_ERR_READ]
= T("Could not read data from a file"),
[WIMLIB_ERR_READLINK]
= T("Could not read the target of a symbolic link"),
[WIMLIB_ERR_RENAME]
= T("Could not rename a file"),
- [WIMLIB_ERR_REOPEN]
- = T("Could not re-open the WIM after overwriting it"),
+ [WIMLIB_ERR_REPARSE_POINT_FIXUP_FAILED]
+ = T("Unable to complete reparse point fixup"),
[WIMLIB_ERR_RESOURCE_ORDER]
= T("The components of the WIM were arranged in an unexpected order"),
[WIMLIB_ERR_SPECIAL_FILE]
= T("The WIM file is marked with an unknown version number"),
[WIMLIB_ERR_UNSUPPORTED]
= T("The requested operation is unsupported"),
+ [WIMLIB_ERR_VOLUME_LACKS_FEATURES]
+ = T("The volume did not support a feature necessary to complete the operation"),
[WIMLIB_ERR_WRITE]
= T("Failed to write data to a file"),
[WIMLIB_ERR_XML]
*p++ = rand();
}
-/* Takes in a path of length @len in @buf, and transforms it into a string for
- * the path of its parent directory. */
-void
-to_parent_name(tchar *buf, size_t len)
-{
- ssize_t i = (ssize_t)len - 1;
- while (i >= 0 && buf[i] == T('/'))
- i--;
- while (i >= 0 && buf[i] != T('/'))
- i--;
- while (i >= 0 && buf[i] == T('/'))
- i--;
- buf[i + 1] = T('\0');
-}
-
const tchar *
path_basename_with_len(const tchar *path, size_t len)
{
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.
- *
- * @path: The file path to split.
- * @first_part_len_ret: A pointer to a `size_t' into which the length of the
- * first part of the path will be returned.
- * @return: A pointer to the next part of the path, after the first
- * sequence of '/', or a pointer to the terminating
- * null byte in the case of a path without any '/'.
- */
-const tchar *
-path_next_part(const tchar *path, size_t *first_part_len_ret)
+u64
+get_wim_timestamp()
{
- size_t i;
- const tchar *next_part;
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return timeval_to_wim_timestamp(tv);
+}
- i = 0;
- while (path[i] != T('/') && path[i] != T('\0'))
- i++;
- if (first_part_len_ret)
- *first_part_len_ret = i;
- next_part = &path[i];
- while (*next_part == T('/'))
- next_part++;
- return next_part;
+void
+wim_timestamp_to_str(u64 timestamp, tchar *buf, size_t len)
+{
+ struct tm tm;
+ time_t t = wim_timestamp_to_unix(timestamp);
+ gmtime_r(&t, &tm);
+ tstrftime(buf, len, T("%a %b %d %H:%M:%S %Y UTC"), &tm);
}
-/* Returns the number of components of @path. */
-int
-get_num_path_components(const char *path)
-{
- int num_components = 0;
- while (*path) {
- while (*path == '/')
- path++;
- if (*path)
- num_components++;
- while (*path && *path != '/')
- path++;
+void
+zap_backslashes(tchar *s)
+{
+ if (s) {
+ while (*s != T('\0')) {
+ if (*s == T('\\'))
+ *s = T('/');
+ s++;
+ }
}
- return num_components;
}
+tchar *
+canonicalize_fs_path(const tchar *fs_path)
+{
+ tchar *canonical_path;
-/*
- * Prints a string. Printable characters are printed as-is, while unprintable
- * characters are printed as their octal escape codes.
- */
-void
-print_string(const void *string, size_t len)
+ if (!fs_path)
+ fs_path = T("");
+ canonical_path = TSTRDUP(fs_path);
+ zap_backslashes(canonical_path);
+ return canonical_path;
+}
+
+/* Strip leading and trailing slashes from a string. Also translates
+ * backslashes into forward slashes. */
+tchar *
+canonicalize_wim_path(const tchar *wim_path)
{
- const u8 *p = string;
+ tchar *p;
+ tchar *canonical_path;
+
+ if (wim_path == NULL) {
+ wim_path = T("");
+ } else {
+ while (*wim_path == T('/') || *wim_path == T('\\'))
+ wim_path++;
+ }
+ canonical_path = TSTRDUP(wim_path);
+ if (canonical_path) {
+ zap_backslashes(canonical_path);
+ for (p = tstrchr(canonical_path, T('\0')) - 1;
+ p >= canonical_path && *p == T('/');
+ p--)
+ {
+ *p = T('\0');
+ }
+ }
+ return canonical_path;
+}
- while (len--) {
- if (isprint(*p))
- putchar(*p);
- else
- printf("\\%03hho", *p);
- p++;
+/* Like read(), but keep trying until everything has been written or we know for
+ * sure that there was an error (or end-of-file). */
+size_t
+full_read(int fd, void *buf, size_t count)
+{
+ ssize_t bytes_read;
+ size_t bytes_remaining;
+
+ for (bytes_remaining = count;
+ bytes_remaining != 0;
+ bytes_remaining -= bytes_read, buf += bytes_read)
+ {
+ bytes_read = read(fd, buf, bytes_remaining);
+ if (bytes_read <= 0) {
+ if (bytes_read == 0)
+ errno = EIO;
+ else if (errno == EINTR)
+ continue;
+ break;
+ }
}
+ return count - bytes_remaining;
}
-u64
-get_wim_timestamp()
+/* Like write(), but keep trying until everything has been written or we know
+ * for sure that there was an error. */
+size_t
+full_write(int fd, const void *buf, size_t count)
{
- struct timeval tv;
- gettimeofday(&tv, NULL);
- return timeval_to_wim_timestamp(tv);
+ ssize_t bytes_written;
+ size_t bytes_remaining;
+
+ for (bytes_remaining = count;
+ bytes_remaining != 0;
+ bytes_remaining -= bytes_written, buf += bytes_written)
+ {
+ bytes_written = write(fd, buf, bytes_remaining);
+ if (bytes_written < 0) {
+ if (errno == EINTR)
+ continue;
+ break;
+ }
+ }
+ return count - bytes_remaining;
}
-void
-wim_timestamp_to_str(u64 timestamp, tchar *buf, size_t len)
+/* Like pread(), but keep trying until everything has been read or we know for
+ * sure that there was an error (or end-of-file) */
+size_t
+full_pread(int fd, void *buf, size_t count, off_t offset)
{
- struct tm tm;
- time_t t = wim_timestamp_to_unix(timestamp);
- gmtime_r(&t, &tm);
- tstrftime(buf, len, T("%a %b %d %H:%M:%S %Y UTC"), &tm);
+ ssize_t bytes_read;
+ size_t bytes_remaining;
+
+ for (bytes_remaining = count;
+ bytes_remaining != 0;
+ bytes_remaining -= bytes_read, buf += bytes_read,
+ offset += bytes_read)
+ {
+ bytes_read = pread(fd, buf, bytes_remaining, offset);
+ if (bytes_read <= 0) {
+ if (bytes_read == 0)
+ errno = EIO;
+ else if (errno == EINTR)
+ continue;
+ break;
+ }
+ }
+ return count - bytes_remaining;
+}
+
+/* Like pwrite(), but keep trying until everything has been written or we know
+ * for sure that there was an error. */
+size_t
+full_pwrite(int fd, const void *buf, size_t count, off_t offset)
+{
+ ssize_t bytes_written;
+ size_t bytes_remaining;
+
+ for (bytes_remaining = count;
+ bytes_remaining != 0;
+ bytes_remaining -= bytes_written, buf += bytes_written,
+ offset += bytes_written)
+ {
+ bytes_written = pwrite(fd, buf, bytes_remaining, offset);
+ if (bytes_written < 0) {
+ if (errno == EINTR)
+ continue;
+ break;
+ }
+ }
+ return count - bytes_remaining;
+}
+
+/* Like writev(), but keep trying until everything has been written or we know
+ * for sure that there was an error. */
+size_t
+full_writev(int fd, struct iovec *iov, int iovcnt)
+{
+ size_t total_bytes_written = 0;
+ while (iovcnt > 0) {
+ ssize_t bytes_written;
+
+ bytes_written = writev(fd, iov, iovcnt);
+ if (bytes_written < 0) {
+ if (errno == EINTR)
+ continue;
+ break;
+ }
+ total_bytes_written += bytes_written;
+ while (bytes_written) {
+ if (bytes_written >= iov[0].iov_len) {
+ bytes_written -= iov[0].iov_len;
+ iov++;
+ iovcnt--;
+ } else {
+ iov[0].iov_base += bytes_written;
+ iov[0].iov_len -= bytes_written;
+ bytes_written = 0;
+ }
+ }
+ }
+ return total_bytes_written;
+}
+
+off_t
+filedes_offset(int fd)
+{
+ return lseek(fd, 0, SEEK_CUR);
}