771 lines
19 KiB
C
771 lines
19 KiB
C
////////////////////////////////////////////////////////////////////////////
|
|
// **** WAVPACK **** //
|
|
// Hybrid Lossless Wavefile Compressor //
|
|
// Copyright (c) 1998 - 2006 Conifer Software. //
|
|
// All Rights Reserved. //
|
|
// Distributed under the BSD Software License (see license.txt) //
|
|
////////////////////////////////////////////////////////////////////////////
|
|
|
|
// utils.c
|
|
|
|
// This module provides general purpose utilities for the WavPack command-line
|
|
// utilities and the self-extraction module.
|
|
|
|
#if defined(_WIN32)
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#include <io.h>
|
|
#include <conio.h>
|
|
#include <shlobj.h>
|
|
#elif defined(__GNUC__) || defined(__sun)
|
|
#include <glob.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#include <sys/stat.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "wavpack.h"
|
|
#include "utils.h"
|
|
|
|
#ifdef _WIN32
|
|
#include "win32_unicode_support.h"
|
|
#define fprintf fprintf_utf8
|
|
#define fputs fputs_utf8
|
|
#define remove(f) unlink_utf8(f)
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
|
|
int copy_timestamp (const char *src_filename, const char *dst_filename)
|
|
{
|
|
wchar_t *src_filename_utf16 = utf8_to_utf16(src_filename);
|
|
wchar_t *dst_filename_utf16 = utf8_to_utf16(dst_filename);
|
|
FILETIME last_modified;
|
|
HANDLE src, dst;
|
|
int res = TRUE;
|
|
|
|
if (*src_filename == '-' || *dst_filename == '-')
|
|
return res;
|
|
|
|
if (!src_filename_utf16 || !dst_filename_utf16)
|
|
return FALSE;
|
|
|
|
src = CreateFileW (src_filename_utf16, GENERIC_READ, FILE_SHARE_READ, NULL,
|
|
OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
|
|
|
|
dst = CreateFileW (dst_filename_utf16, GENERIC_WRITE, FILE_SHARE_WRITE, NULL,
|
|
OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
|
|
|
|
if (src == INVALID_HANDLE_VALUE || dst == INVALID_HANDLE_VALUE ||
|
|
!GetFileTime (src, NULL, NULL, &last_modified) ||
|
|
!SetFileTime (dst, NULL, NULL, &last_modified))
|
|
res = FALSE;
|
|
|
|
if (src != INVALID_HANDLE_VALUE)
|
|
CloseHandle (src);
|
|
|
|
if (dst != INVALID_HANDLE_VALUE)
|
|
CloseHandle (dst);
|
|
|
|
free (src_filename_utf16);
|
|
free (dst_filename_utf16);
|
|
|
|
return res;
|
|
}
|
|
|
|
#else
|
|
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
|
|
int copy_timestamp(const char *src_filename, const char *dst_filename)
|
|
{
|
|
struct stat fileinfo;
|
|
struct timeval times[2];
|
|
|
|
if (strcmp(src_filename, "-") == 0 || strcmp(dst_filename, "-") == 0)
|
|
return TRUE;
|
|
|
|
if (stat(src_filename, &fileinfo))
|
|
return FALSE; /* stat failed */
|
|
|
|
times[0].tv_sec = fileinfo.st_atime;
|
|
times[0].tv_usec = 0;
|
|
|
|
times[1].tv_sec = fileinfo.st_mtime;
|
|
times[1].tv_usec = 0;
|
|
|
|
if (utimes(dst_filename, times))
|
|
return FALSE; /* utimes failed */
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#endif
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// This function parses a filename (with or without full path) and returns //
|
|
// a pointer to the extension (including the "."). If no extension is found //
|
|
// then NULL is returned. Extensions with more than 4 letters don't count. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#if defined(_WIN32)
|
|
|
|
char *filespec_ext (char *filespec)
|
|
{
|
|
char *cp = filespec + strlen (filespec);
|
|
|
|
while (--cp >= filespec) {
|
|
|
|
if (*cp == '\\' || *cp == ':')
|
|
return NULL;
|
|
|
|
if (*cp == '.') {
|
|
if (strlen (cp+1) && strlen (cp+1) <= 4)
|
|
return cp;
|
|
else
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#else
|
|
|
|
char *filespec_ext (char *filespec)
|
|
{
|
|
char *cp = filespec + strlen (filespec);
|
|
|
|
while (--cp >= filespec) {
|
|
|
|
if (*cp == '/')
|
|
return NULL;
|
|
|
|
if (*cp == '.') {
|
|
if (strlen (cp+1) && strlen (cp+1) <= 4)
|
|
return cp;
|
|
else
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// This function determines if the specified filespec is a valid pathname. //
|
|
// If not, NULL is returned. If it is in the format of a pathname, then the //
|
|
// original pointer is returned. If the format is ambiguous, then a lookup //
|
|
// is performed to determine if it is in fact a valid path, and if so a "\" //
|
|
// is appended so that the pathname can be used and the original pointer is //
|
|
// returned. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#if (defined(__GNUC__) || defined(__sun)) && !defined(_WIN32)
|
|
|
|
char *filespec_path (char *filespec)
|
|
{
|
|
char *cp = filespec + strlen (filespec);
|
|
glob_t globs;
|
|
struct stat fstats;
|
|
|
|
if (cp == filespec || filespec_wild (filespec))
|
|
return NULL;
|
|
|
|
if (*--cp == '/')
|
|
return filespec;
|
|
|
|
if (*cp == '.' && cp == filespec)
|
|
return strcat (filespec, "/");
|
|
|
|
if (glob (filespec, GLOB_MARK|GLOB_NOSORT, NULL, &globs) == 0 &&
|
|
globs.gl_pathc > 0)
|
|
{
|
|
/* test if the file is a directory */
|
|
if (stat(globs.gl_pathv[0], &fstats) == 0 && (fstats.st_mode & S_IFDIR)) {
|
|
filespec[0] = '\0';
|
|
strcat (filespec, globs.gl_pathv[0]);
|
|
globfree(&globs);
|
|
return filespec;
|
|
}
|
|
}
|
|
globfree(&globs);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#else
|
|
|
|
char *filespec_path (char *filespec)
|
|
{
|
|
char *cp = filespec + strlen (filespec);
|
|
struct _wfinddata_t wfinddata;
|
|
wchar_t *filespec_utf16;
|
|
intptr_t file;
|
|
|
|
if (cp == filespec || filespec_wild (filespec))
|
|
return NULL;
|
|
|
|
--cp;
|
|
|
|
if (*cp == '\\' || *cp == ':')
|
|
return filespec;
|
|
|
|
if (*cp == '.' && cp == filespec)
|
|
return strcat (filespec, "\\");
|
|
|
|
filespec_utf16 = utf8_to_utf16(filespec);
|
|
|
|
if (!filespec_utf16)
|
|
return NULL;
|
|
|
|
if ((file = _wfindfirst (filespec_utf16, &wfinddata)) != (intptr_t) -1 &&
|
|
(wfinddata.attrib & _A_SUBDIR)) {
|
|
_findclose (file);
|
|
free (filespec_utf16);
|
|
return strcat (filespec, "\\");
|
|
}
|
|
|
|
if (file != -1L)
|
|
_findclose(file);
|
|
|
|
free (filespec_utf16);
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// This function returns non-NULL if the specified filename spec has any //
|
|
// wildcard characters. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
char *filespec_wild (char *filespec)
|
|
{
|
|
return strpbrk (filespec, "*?");
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// This function parses a filename (with or without full path) and returns //
|
|
// a pointer to the actual filename, or NULL if no filename can be found. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#if defined(_WIN32)
|
|
|
|
char *filespec_name (char *filespec)
|
|
{
|
|
char *cp = filespec + strlen (filespec);
|
|
|
|
while (--cp >= filespec) {
|
|
|
|
if (*cp == '\\' || *cp == ':')
|
|
break;
|
|
}
|
|
|
|
if (strlen (cp + 1))
|
|
return cp + 1;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
#else
|
|
|
|
char *filespec_name (char *filespec)
|
|
{
|
|
char *cp = filespec + strlen (filespec);
|
|
|
|
while (--cp >= filespec)
|
|
if (*cp == '/')
|
|
break;
|
|
|
|
if (strlen (cp + 1))
|
|
return cp + 1;
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// This function allows the user to type 'y', 'n', or 'a' (with Enter) in //
|
|
// response to a system query. The return value is the key typed as //
|
|
// lowercase (regardless of the typed case). //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static int waiting_input;
|
|
|
|
char yna (void)
|
|
{
|
|
char choice = 0;
|
|
int key;
|
|
|
|
waiting_input = 1;
|
|
|
|
while (1) {
|
|
#if defined(_WIN32)
|
|
key = _getch ();
|
|
#else
|
|
key = fgetc(stdin);
|
|
#endif
|
|
if (key == 3) {
|
|
fprintf (stderr, "^C\n");
|
|
exit (1);
|
|
}
|
|
else if (key == EOF) {
|
|
fprintf (stderr, "\r\n");
|
|
exit (1);
|
|
}
|
|
else if (key == '\r' || key == '\n') {
|
|
if (choice) {
|
|
fprintf (stderr, "\r\n");
|
|
fflush (stderr);
|
|
break;
|
|
}
|
|
else {
|
|
fprintf (stderr, "%c", 7);
|
|
fflush (stderr);
|
|
}
|
|
}
|
|
else if (key == 'Y' || key == 'y') {
|
|
#ifdef _WIN32
|
|
fprintf (stderr, "%c\b", key);
|
|
fflush (stderr);
|
|
#endif
|
|
choice = 'y';
|
|
}
|
|
else if (key == 'N' || key == 'n') {
|
|
#ifdef _WIN32
|
|
fprintf (stderr, "%c\b", key);
|
|
fflush (stderr);
|
|
#endif
|
|
choice = 'n';
|
|
}
|
|
else if (key == 'A' || key == 'a') {
|
|
#ifdef _WIN32
|
|
fprintf (stderr, "%c\b", key);
|
|
fflush (stderr);
|
|
#endif
|
|
choice = 'a';
|
|
}
|
|
else {
|
|
fprintf (stderr, "%c", 7);
|
|
fflush (stderr);
|
|
}
|
|
}
|
|
|
|
waiting_input = 0;
|
|
|
|
return choice;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Display the specified message on the console through stderr. Note that //
|
|
// the cursor may start anywhere in the line and all text already on the //
|
|
// line is erased. A terminating newline is not needed and function works //
|
|
// with printf strings and args. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
extern int debug_logging_mode;
|
|
|
|
#ifdef _WIN32
|
|
|
|
int get_app_path (char *app_path)
|
|
{
|
|
static char file_path [MAX_PATH], tried, result;
|
|
|
|
HINSTANCE hinstLib;
|
|
FARPROC ProcAdd;
|
|
|
|
if (tried) {
|
|
if (result)
|
|
strcpy (app_path, file_path);
|
|
|
|
return result;
|
|
}
|
|
|
|
tried = TRUE;
|
|
hinstLib = LoadLibrary ("shell32.dll");
|
|
|
|
if (hinstLib) {
|
|
ProcAdd = GetProcAddress (hinstLib, "SHGetFolderPathA");
|
|
|
|
if (ProcAdd && SUCCEEDED ((ProcAdd) (NULL, CSIDL_APPDATA | 0x8000, NULL, 0, file_path)))
|
|
result = TRUE;
|
|
|
|
if (!result) {
|
|
ProcAdd = GetProcAddress (hinstLib, "SHGetSpecialFolderPathA");
|
|
|
|
if (ProcAdd && SUCCEEDED ((ProcAdd) (NULL, file_path, CSIDL_APPDATA, TRUE)))
|
|
result = TRUE;
|
|
}
|
|
|
|
FreeLibrary (hinstLib);
|
|
}
|
|
|
|
if (!result) {
|
|
hinstLib = LoadLibrary ("shfolder.dll");
|
|
|
|
if (hinstLib) {
|
|
ProcAdd = GetProcAddress (hinstLib, "SHGetFolderPathA");
|
|
|
|
if (ProcAdd && SUCCEEDED ((ProcAdd) (NULL, CSIDL_APPDATA | 0x8000, NULL, 0, file_path)))
|
|
result = TRUE;
|
|
|
|
FreeLibrary (hinstLib);
|
|
}
|
|
}
|
|
|
|
if (result)
|
|
strcpy (app_path, file_path);
|
|
|
|
return result;
|
|
}
|
|
|
|
void error_line (char *error, ...)
|
|
{
|
|
char error_msg [512];
|
|
va_list argptr;
|
|
|
|
error_msg [0] = '\r';
|
|
va_start (argptr, error);
|
|
vsprintf (error_msg + 1, error, argptr);
|
|
va_end (argptr);
|
|
fputs (error_msg, stderr);
|
|
finish_line ();
|
|
|
|
if (debug_logging_mode) {
|
|
char file_path [MAX_PATH];
|
|
FILE *error_log = NULL;
|
|
|
|
if (get_app_path (file_path)) {
|
|
strcat (file_path, "\\WavPack\\wavpack.log");
|
|
error_log = fopen (file_path, "a+");
|
|
|
|
if (!error_log) {
|
|
get_app_path (file_path);
|
|
strcat (file_path, "\\WavPack");
|
|
|
|
if (CreateDirectory (file_path, NULL)) {
|
|
strcat (file_path, "\\wavpack.log");
|
|
error_log = fopen (file_path, "a+");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!error_log)
|
|
error_log = fopen ("c:\\wavpack.log", "a+");
|
|
|
|
if (error_log) {
|
|
fputs (error_msg + 1, error_log);
|
|
fputc ('\n', error_log);
|
|
fclose (error_log);
|
|
}
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
void error_line (char *error, ...)
|
|
{
|
|
char error_msg [512];
|
|
va_list argptr;
|
|
|
|
error_msg [0] = '\r';
|
|
va_start (argptr, error);
|
|
vsprintf (error_msg + 1, error, argptr);
|
|
va_end (argptr);
|
|
fputs (error_msg, stderr);
|
|
finish_line ();
|
|
}
|
|
|
|
#endif
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Function to intercept ^C or ^Break typed at the console. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
#if defined(_WIN32)
|
|
static int break_flag;
|
|
|
|
BOOL WINAPI ctrl_handler (DWORD ctrl)
|
|
{
|
|
if (ctrl == CTRL_C_EVENT) {
|
|
break_flag = TRUE;
|
|
return TRUE;
|
|
}
|
|
|
|
if (ctrl == CTRL_BREAK_EVENT) {
|
|
|
|
if (waiting_input) {
|
|
return FALSE;
|
|
}
|
|
else {
|
|
break_flag = TRUE;
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Function to initialize console for intercepting ^C and ^Break. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
void setup_break (void)
|
|
{
|
|
HANDLE hConIn = GetStdHandle (STD_INPUT_HANDLE);
|
|
|
|
SetConsoleMode (hConIn, ENABLE_PROCESSED_INPUT);
|
|
FlushConsoleInputBuffer (hConIn);
|
|
SetConsoleCtrlHandler (ctrl_handler, TRUE);
|
|
break_flag = 0;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Function to determine whether ^C or ^Break has been issued by user. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
int check_break (void)
|
|
{
|
|
return break_flag;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Function to clear the stderr console to the end of the current line (and //
|
|
// go to the beginning next line). //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
void finish_line (void)
|
|
{
|
|
HANDLE hConIn = GetStdHandle (STD_ERROR_HANDLE);
|
|
CONSOLE_SCREEN_BUFFER_INFO coninfo;
|
|
|
|
if (hConIn && GetConsoleScreenBufferInfo (hConIn, &coninfo) &&
|
|
(coninfo.dwCursorPosition.X || coninfo.dwCursorPosition.Y)) {
|
|
unsigned char spaces = coninfo.dwSize.X - coninfo.dwCursorPosition.X;
|
|
|
|
while (spaces--)
|
|
fputc (' ', stderr);
|
|
}
|
|
else
|
|
fprintf (stderr, " \n");
|
|
|
|
fflush (stderr);
|
|
}
|
|
#else
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Function to clear the stderr console to the end of the current line (and //
|
|
// go to the beginning next line). //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
void finish_line (void)
|
|
{
|
|
fprintf (stderr, " \n");
|
|
fflush (stderr);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Function to initialize console for intercepting ^C and ^Break. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <signal.h>
|
|
|
|
static int break_flag;
|
|
|
|
static void int_handler(int s)
|
|
{
|
|
break_flag = 1;
|
|
}
|
|
|
|
void setup_break (void)
|
|
{
|
|
struct sigaction sigIntHandler;
|
|
|
|
break_flag = 0;
|
|
sigIntHandler.sa_handler = int_handler;
|
|
sigemptyset (&sigIntHandler.sa_mask);
|
|
sigIntHandler.sa_flags = 0;
|
|
sigaction (SIGINT, &sigIntHandler, NULL);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// Function to determine whether ^C or ^Break has been issued by user. //
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
int check_break (void)
|
|
{
|
|
return break_flag;
|
|
}
|
|
|
|
#endif
|
|
|
|
//////////////////////////// File I/O Wrapper ////////////////////////////////
|
|
|
|
int DoReadFile (FILE *hFile, void *lpBuffer, uint32_t nNumberOfBytesToRead, uint32_t *lpNumberOfBytesRead)
|
|
{
|
|
uint32_t bcount;
|
|
|
|
*lpNumberOfBytesRead = 0;
|
|
|
|
while (nNumberOfBytesToRead) {
|
|
bcount = (uint32_t) fread ((unsigned char *) lpBuffer + *lpNumberOfBytesRead, 1, nNumberOfBytesToRead, hFile);
|
|
|
|
if (bcount) {
|
|
*lpNumberOfBytesRead += bcount;
|
|
nNumberOfBytesToRead -= bcount;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
return !ferror (hFile);
|
|
}
|
|
|
|
int DoWriteFile (FILE *hFile, void *lpBuffer, uint32_t nNumberOfBytesToWrite, uint32_t *lpNumberOfBytesWritten)
|
|
{
|
|
uint32_t bcount;
|
|
|
|
*lpNumberOfBytesWritten = 0;
|
|
|
|
while (nNumberOfBytesToWrite) {
|
|
bcount = (uint32_t) fwrite ((unsigned char *) lpBuffer + *lpNumberOfBytesWritten, 1, nNumberOfBytesToWrite, hFile);
|
|
|
|
if (bcount) {
|
|
*lpNumberOfBytesWritten += bcount;
|
|
nNumberOfBytesToWrite -= bcount;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
return !ferror (hFile);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
int64_t DoGetFileSize (FILE *hFile)
|
|
{
|
|
LARGE_INTEGER Size;
|
|
HANDLE fHandle;
|
|
|
|
if (hFile == NULL)
|
|
return 0;
|
|
|
|
fHandle = (HANDLE)_get_osfhandle(_fileno(hFile));
|
|
if (fHandle == INVALID_HANDLE_VALUE)
|
|
return 0;
|
|
|
|
Size.u.LowPart = GetFileSize(fHandle, &Size.u.HighPart);
|
|
|
|
if (Size.u.LowPart == INVALID_FILE_SIZE && GetLastError() != NO_ERROR)
|
|
return 0;
|
|
|
|
return (int64_t)Size.QuadPart;
|
|
}
|
|
|
|
int64_t DoGetFilePosition (FILE *hFile)
|
|
{
|
|
return _ftelli64 (hFile);
|
|
}
|
|
|
|
int DoSetFilePositionAbsolute (FILE *hFile, int64_t pos)
|
|
{
|
|
return _fseeki64 (hFile, pos, SEEK_SET);
|
|
}
|
|
|
|
int DoSetFilePositionRelative (FILE *hFile, int64_t pos, int mode)
|
|
{
|
|
return _fseeki64 (hFile, pos, mode);
|
|
}
|
|
|
|
#else
|
|
|
|
int64_t DoGetFileSize (FILE *hFile)
|
|
{
|
|
struct stat statbuf;
|
|
|
|
if (!hFile || fstat (fileno (hFile), &statbuf) || !S_ISREG(statbuf.st_mode))
|
|
return 0;
|
|
|
|
return (int64_t) statbuf.st_size;
|
|
}
|
|
|
|
int64_t DoGetFilePosition (FILE *hFile)
|
|
{
|
|
return ftell (hFile);
|
|
}
|
|
|
|
int DoSetFilePositionAbsolute (FILE *hFile, int64_t pos)
|
|
{
|
|
return fseek (hFile, pos, SEEK_SET);
|
|
}
|
|
|
|
int DoSetFilePositionRelative (FILE *hFile, int64_t pos, int mode)
|
|
{
|
|
return fseek (hFile, pos, mode);
|
|
}
|
|
|
|
#endif
|
|
|
|
// if ungetc() is not available, a seek of -1 is fine also because we do not
|
|
// change the byte read.
|
|
|
|
int DoUngetc (int c, FILE *hFile)
|
|
{
|
|
return ungetc (c, hFile);
|
|
}
|
|
|
|
int DoCloseHandle (FILE *hFile)
|
|
{
|
|
return hFile ? !fclose (hFile) : 0;
|
|
}
|
|
|
|
int DoTruncateFile (FILE *hFile)
|
|
{
|
|
if (hFile) {
|
|
fflush (hFile);
|
|
#if defined(_WIN32)
|
|
return !_chsize (_fileno (hFile), 0);
|
|
#else
|
|
return !ftruncate(fileno (hFile), 0);
|
|
#endif
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int DoDeleteFile (char *filename)
|
|
{
|
|
return filename ? !remove (filename) : 0;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
// Function to set the name of the console window. This is very handy for //
|
|
// displaying progress of batch operations with the console window minimized. //
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifdef _WIN32
|
|
|
|
void DoSetConsoleTitle (char *text)
|
|
{
|
|
SetConsoleTitle (text);
|
|
}
|
|
|
|
#else
|
|
|
|
void DoSetConsoleTitle (char *text)
|
|
{
|
|
fprintf (stderr, "\033]0;%s\007", text);
|
|
fflush (stderr);
|
|
}
|
|
|
|
#endif
|
|
|