*/
/*
- * Copyright (C) 2012 Eric Biggers
+ * Copyright (C) 2012, 2013 Eric Biggers
*
* This file is part of wimlib, a library for working with WIM files.
*
* along with wimlib; if not, see http://www.gnu.org/licenses/.
*/
+#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 <ctype.h>
#include <errno.h>
#include <stdlib.h>
-#include <string.h>
+#include <stdarg.h>
+
#include <unistd.h> /* for getpid() */
-/* 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;
+/* Windoze compatibility */
+#ifdef __WIN32__
+# define strerror_r(errnum, buf, bufsize) strerror_s(buf, bufsize, errnum)
+#endif
-void wimlib_error(const char *format, ...)
+size_t
+utf16le_strlen(const utf16lechar *s)
{
- if (__wimlib_print_errors) {
- va_list va;
- int errno_save;
-
- va_start(va, format);
- errno_save = errno;
- fputs("[ERROR] ", stderr);
- vfprintf(stderr, format, va);
- putc('\n', stderr);
- errno = errno_save;
- va_end(va);
+ const utf16lechar *p = s;
+ while (*p)
+ p++;
+ return (p - s) * sizeof(utf16lechar);
+}
+
+/* Handle %W for UTF16-LE printing and %U for UTF-8 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.
+ */
+static int
+wimlib_vfprintf(FILE *fp, const char *format, va_list va)
+{
+ const char *p;
+
+ for (p = format; *p; p++)
+ if (*p == '%' && (*(p + 1) == 'W' || *(p + 1) == 'U'))
+ goto special;
+ return vfprintf(fp, format, va);
+special:
+ ;
+ int n = 0;
+ for (p = format; *p; p++) {
+ if (*p == '%' && (*(p + 1) == 'W' || *(p + 1) == 'U')) {
+ int ret;
+ mbchar *mbs;
+ size_t mbs_nbytes;
+
+ if (*(p + 1) == 'W') {
+ utf16lechar *ucs = va_arg(va, utf16lechar*);
+ 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 = fprintf(fp, "???CONVERSION FAILURE???");
+ } else {
+ ret = fprintf(fp, "%s", mbs);
+ FREE(mbs);
+ }
+ if (ret < 0)
+ return -1;
+ else
+ n += ret;
+ p++;
+ } else {
+ if (putc(*p, fp) == EOF)
+ return -1;
+ n++;
+ }
}
+ return n;
}
-void wimlib_error_with_errno(const char *format, ...)
+int
+wimlib_printf(const char *format, ...)
{
- if (__wimlib_print_errors) {
- va_list va;
- int errno_save;
+ int ret;
+ va_list va;
- va_start(va, format);
- errno_save = errno;
- fflush(stdout);
- fputs("[ERROR] ", stderr);
- vfprintf(stderr, format, va);
- if (errno_save != 0)
- fprintf(stderr, ": %s", strerror(errno_save));
- putc('\n', stderr);
- errno = errno_save;
- va_end(va);
- }
+ va_start(va, format);
+ ret = wimlib_vfprintf(stdout, format, va);
+ va_end(va);
+ return ret;
}
-void wimlib_warning(const char *format, ...)
+int
+wimlib_fprintf(FILE *fp, const char *format, ...)
{
- if (__wimlib_print_errors) {
- va_list va;
- int errno_save;
+ int ret;
+ va_list va;
+
+ va_start(va, format);
+ ret = wimlib_vfprintf(fp, format, va);
+ va_end(va);
+ return ret;
+}
- va_start(va, format);
- errno_save = errno;
+#if defined(ENABLE_ERROR_MESSAGES) || defined(ENABLE_DEBUG)
+static void
+wimlib_vmsg(const char *tag, const char *format,
+ va_list va, bool perror)
+{
+#ifndef DEBUG
+ if (wimlib_print_errors) {
+#endif
+ int errno_save = errno;
fflush(stdout);
- fputs("[WARNING] ", stderr);
- vfprintf(stderr, format, va);
+ fputs(tag, stderr);
+ wimlib_vfprintf(stderr, format, va);
+ if (perror && errno_save != 0) {
+ char buf[50];
+ int res;
+ res = strerror_r(errno_save, buf, sizeof(buf));
+ if (res) {
+ snprintf(buf, sizeof(buf),
+ "unknown error (errno=%d)", errno_save);
+ }
+ fprintf(stderr, ": %s", buf);
+ }
putc('\n', stderr);
errno = errno_save;
- va_end(va);
+#ifndef DEBUG
}
+#endif
+}
+#endif
+
+/* 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
+static bool wimlib_print_errors = false;
+
+
+void
+wimlib_error(const char *format, ...)
+{
+ va_list va;
+
+ va_start(va, format);
+ wimlib_vmsg("[ERROR] ", format, va, false);
+ va_end(va);
+}
+
+void
+wimlib_error_with_errno(const char *format, ...)
+{
+ va_list va;
+
+ va_start(va, format);
+ wimlib_vmsg("[ERROR] ", format, va, true);
+ va_end(va);
+}
+
+void
+wimlib_warning(const char *format, ...)
+{
+ va_list va;
+
+ va_start(va, format);
+ wimlib_vmsg("[WARNING] ", format, va, false);
+ va_end(va);
}
+void
+wimlib_warning_with_errno(const char *format, ...)
+{
+ va_list va;
+
+ va_start(va, format);
+ wimlib_vmsg("[WARNING] ", format, va, true);
+ va_end(va);
+}
+
+#endif
+
+#ifdef ENABLE_DEBUG
+void wimlib_debug(const char *file, int line, const char *func,
+ const char *format, ...)
+{
+
+ va_list va;
+ char buf[strlen(file) + strlen(func) + 30];
+
+ sprintf(buf, "[%s %d] %s(): ", file, line, func);
+ va_start(va, format);
+ wimlib_vmsg(buf, format, va, false);
+ va_end(va);
+}
#endif
-WIMLIBAPI int wimlib_set_print_errors(bool show_error_messages)
+WIMLIBAPI int
+wimlib_set_print_errors(bool show_error_messages)
{
#ifdef ENABLE_ERROR_MESSAGES
- __wimlib_print_errors = show_error_messages;
+ wimlib_print_errors = show_error_messages;
return 0;
#else
if (show_error_messages)
#endif
}
-static const char *error_strings[] = {
+static const mbchar *error_strings[] = {
[WIMLIB_ERR_SUCCESS]
= "Success",
[WIMLIB_ERR_ALREADY_LOCKED]
[WIMLIB_ERR_FUSERMOUNT]
= "Could not execute the `fusermount' program, or it exited "
"with a failure status",
+ [WIMLIB_ERR_ICONV_NOT_AVAILABLE]
+ = "The iconv() function does not seem to work. "
+ "Maybe check to make sure the directory /usr/lib/gconv exists",
[WIMLIB_ERR_IMAGE_COUNT]
= "Inconsistent image count among the metadata "
"resources, the WIM header, and/or the XML data",
= "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_MULTIBYTE_STRING]
+ = "A string was not valid in the current locale's character encoding",
+ [WIMLIB_ERR_INVALID_OVERLAY]
+ = "Conflicting files in overlay when creating a WIM image",
[WIMLIB_ERR_INVALID_PARAM]
= "An invalid parameter was given",
[WIMLIB_ERR_INVALID_PART_NUMBER]
= "The part number or total parts of the WIM is invalid",
[WIMLIB_ERR_INVALID_RESOURCE_HASH]
= "The SHA1 message digest of a WIM resource did not match the expected value",
- [WIMLIB_ERR_ICONV_NOT_AVAILABLE]
- = "The iconv() function does not seem to work. "
- "Maybe check to make sure the directory /usr/lib/gconv exists",
[WIMLIB_ERR_INVALID_RESOURCE_SIZE]
= "A resource entry in the WIM has an invalid size",
+ [WIMLIB_ERR_INVALID_SECURITY_DATA]
+ = "The table of security descriptors in the WIM is invalid",
[WIMLIB_ERR_INVALID_UNMOUNT_MESSAGE]
= "The version of wimlib that has mounted a WIM image is incompatible with the "
"version being used to unmount it",
= "The WIM is part of a split WIM, which is not supported for this operation",
[WIMLIB_ERR_STAT]
= "Could not read the metadata for a file or directory",
+ [WIMLIB_ERR_TIMEOUT]
+ = "Timed out while waiting for a message to arrive from another process",
+ [WIMLIB_ERR_UNICODE_STRING_NOT_REPRESENTABLE]
+ = "A Unicode string could not be represented in the current locale's encoding",
[WIMLIB_ERR_UNKNOWN_VERSION]
= "The WIM file is marked with an unknown version number",
[WIMLIB_ERR_UNSUPPORTED]
= "The XML data of the WIM is invalid",
};
-WIMLIBAPI const char *wimlib_get_error_string(enum wimlib_error_code code)
+WIMLIBAPI const mbchar *
+wimlib_get_error_string(enum wimlib_error_code code)
{
- if (code < WIMLIB_ERR_SUCCESS || code > WIMLIB_ERR_XML)
+ if (code < 0 || code >= ARRAY_LEN(error_strings))
return NULL;
else
return error_strings[code];
void (*wimlib_free_func) (void *) = free;
void *(*wimlib_realloc_func)(void *, size_t) = realloc;
-void *wimlib_calloc(size_t nmemb, size_t size)
+void *
+wimlib_calloc(size_t nmemb, size_t size)
{
size_t total_size = nmemb * size;
void *p = MALLOC(total_size);
return p;
}
-char *wimlib_strdup(const char *str)
+char *
+wimlib_strdup(const char *str)
{
size_t size;
char *p;
return p;
}
-extern void xml_set_memory_allocator(void *(*malloc_func)(size_t),
- void (*free_func)(void *),
- void *(*realloc_func)(void *, size_t));
+extern void
+xml_set_memory_allocator(void *(*malloc_func)(size_t),
+ void (*free_func)(void *),
+ void *(*realloc_func)(void *, size_t));
#endif
-WIMLIBAPI int wimlib_set_memory_allocator(void *(*malloc_func)(size_t),
- void (*free_func)(void *),
- void *(*realloc_func)(void *, size_t))
+WIMLIBAPI int
+wimlib_set_memory_allocator(void *(*malloc_func)(size_t),
+ void (*free_func)(void *),
+ void *(*realloc_func)(void *, size_t))
{
#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
wimlib_malloc_func = malloc_func ? malloc_func : malloc;
static bool seeded = false;
-static void seed_random()
+static void
+seed_random()
{
srand(time(NULL) * getpid());
seeded = true;
}
/* Fills @n bytes pointed to by @p with random alphanumeric characters. */
-void randomize_char_array_with_alnum(char p[], size_t n)
+void
+randomize_char_array_with_alnum(char p[], size_t n)
{
if (!seeded)
seed_random();
}
/* Fills @n bytes pointer to by @p with random numbers. */
-void randomize_byte_array(u8 *p, size_t n)
+void
+randomize_byte_array(u8 *p, size_t n)
{
if (!seeded)
seed_random();
/* 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(char buf[], size_t len)
+void
+to_parent_name(char buf[], size_t len)
{
ssize_t i = (ssize_t)len - 1;
while (i >= 0 && buf[i] == '/')
/* Like the basename() function, but does not modify @path; it just returns a
* pointer to it. */
-const char *path_basename(const char *path)
+const char *
+path_basename(const char *path)
{
const char *p = path;
while (*p)
* 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 *
+path_stream_name(const char *path)
{
const char *base = path_basename(path);
const char *stream_name = strchr(base, ':');
* sequence of '/', or a pointer to the terminating
* null byte in the case of a path without any '/'.
*/
-const char *path_next_part(const char *path, size_t *first_part_len_ret)
+const char *
+path_next_part(const char *path, size_t *first_part_len_ret)
{
size_t i;
const char *next_part;
}
/* Returns the number of components of @path. */
-int get_num_path_components(const char *path)
+int
+get_num_path_components(const char *path)
{
int num_components = 0;
while (*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)
+void
+print_string(const void *string, size_t len)
{
const u8 *p = string;
}
}
-u64 get_wim_timestamp()
+u64
+get_wim_timestamp()
{
struct timeval tv;
gettimeofday(&tv, NULL);
- return timeval_to_wim_timestamp(&tv);
+ return timeval_to_wim_timestamp(tv);
}
-void wim_timestamp_to_str(u64 timestamp, char *buf, size_t len)
+void
+wim_timestamp_to_str(u64 timestamp, char *buf, size_t len)
{
struct tm tm;
time_t t = wim_timestamp_to_unix(timestamp);
git://wimlib.net / wimlib / blobdiff