all repos — mgba @ 341ebd04356360cfff3e217bf7a419e43b534ef1

mGBA Game Boy Advance Emulator

src/third-party/lzma/Util/7z/7zMain.c (view raw)

  1/* 7zMain.c - Test application for 7z Decoder
  22015-01-02 : Igor Pavlov : Public domain */
  3
  4#include "Precomp.h"
  5
  6#include <stdio.h>
  7#include <string.h>
  8
  9#include "../../7z.h"
 10#include "../../7zAlloc.h"
 11#include "../../7zBuf.h"
 12#include "../../7zCrc.h"
 13#include "../../7zFile.h"
 14#include "../../7zVersion.h"
 15
 16#ifndef USE_WINDOWS_FILE
 17/* for mkdir */
 18#ifdef _WIN32
 19#include <direct.h>
 20#else
 21#include <sys/stat.h>
 22#include <errno.h>
 23#endif
 24#endif
 25
 26static ISzAlloc g_Alloc = { SzAlloc, SzFree };
 27
 28static int Buf_EnsureSize(CBuf *dest, size_t size)
 29{
 30  if (dest->size >= size)
 31    return 1;
 32  Buf_Free(dest, &g_Alloc);
 33  return Buf_Create(dest, size, &g_Alloc);
 34}
 35
 36#ifndef _WIN32
 37
 38static Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
 39
 40static Bool Utf16_To_Utf8(Byte *dest, size_t *destLen, const UInt16 *src, size_t srcLen)
 41{
 42  size_t destPos = 0, srcPos = 0;
 43  for (;;)
 44  {
 45    unsigned numAdds;
 46    UInt32 value;
 47    if (srcPos == srcLen)
 48    {
 49      *destLen = destPos;
 50      return True;
 51    }
 52    value = src[srcPos++];
 53    if (value < 0x80)
 54    {
 55      if (dest)
 56        dest[destPos] = (char)value;
 57      destPos++;
 58      continue;
 59    }
 60    if (value >= 0xD800 && value < 0xE000)
 61    {
 62      UInt32 c2;
 63      if (value >= 0xDC00 || srcPos == srcLen)
 64        break;
 65      c2 = src[srcPos++];
 66      if (c2 < 0xDC00 || c2 >= 0xE000)
 67        break;
 68      value = (((value - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000;
 69    }
 70    for (numAdds = 1; numAdds < 5; numAdds++)
 71      if (value < (((UInt32)1) << (numAdds * 5 + 6)))
 72        break;
 73    if (dest)
 74      dest[destPos] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds)));
 75    destPos++;
 76    do
 77    {
 78      numAdds--;
 79      if (dest)
 80        dest[destPos] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F));
 81      destPos++;
 82    }
 83    while (numAdds != 0);
 84  }
 85  *destLen = destPos;
 86  return False;
 87}
 88
 89static SRes Utf16_To_Utf8Buf(CBuf *dest, const UInt16 *src, size_t srcLen)
 90{
 91  size_t destLen = 0;
 92  Bool res;
 93  Utf16_To_Utf8(NULL, &destLen, src, srcLen);
 94  destLen += 1;
 95  if (!Buf_EnsureSize(dest, destLen))
 96    return SZ_ERROR_MEM;
 97  res = Utf16_To_Utf8(dest->data, &destLen, src, srcLen);
 98  dest->data[destLen] = 0;
 99  return res ? SZ_OK : SZ_ERROR_FAIL;
100}
101
102#endif
103
104static SRes Utf16_To_Char(CBuf *buf, const UInt16 *s
105    #ifdef _WIN32
106    , UINT codePage
107    #endif
108    )
109{
110  unsigned len = 0;
111  for (len = 0; s[len] != 0; len++);
112
113  #ifdef _WIN32
114  {
115    unsigned size = len * 3 + 100;
116    if (!Buf_EnsureSize(buf, size))
117      return SZ_ERROR_MEM;
118    {
119      buf->data[0] = 0;
120      if (len != 0)
121      {
122        char defaultChar = '_';
123        BOOL defUsed;
124        unsigned numChars = 0;
125        numChars = WideCharToMultiByte(codePage, 0, s, len, (char *)buf->data, size, &defaultChar, &defUsed);
126        if (numChars == 0 || numChars >= size)
127          return SZ_ERROR_FAIL;
128        buf->data[numChars] = 0;
129      }
130      return SZ_OK;
131    }
132  }
133  #else
134  return Utf16_To_Utf8Buf(buf, s, len);
135  #endif
136}
137
138#ifdef _WIN32
139  #ifndef USE_WINDOWS_FILE
140    static UINT g_FileCodePage = CP_ACP;
141  #endif
142  #define MY_FILE_CODE_PAGE_PARAM ,g_FileCodePage
143#else
144  #define MY_FILE_CODE_PAGE_PARAM
145#endif
146
147static WRes MyCreateDir(const UInt16 *name)
148{
149  #ifdef USE_WINDOWS_FILE
150  
151  return CreateDirectoryW(name, NULL) ? 0 : GetLastError();
152  
153  #else
154
155  CBuf buf;
156  WRes res;
157  Buf_Init(&buf);
158  RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
159
160  res =
161  #ifdef _WIN32
162  _mkdir((const char *)buf.data)
163  #else
164  mkdir((const char *)buf.data, 0777)
165  #endif
166  == 0 ? 0 : errno;
167  Buf_Free(&buf, &g_Alloc);
168  return res;
169  
170  #endif
171}
172
173static WRes OutFile_OpenUtf16(CSzFile *p, const UInt16 *name)
174{
175  #ifdef USE_WINDOWS_FILE
176  return OutFile_OpenW(p, name);
177  #else
178  CBuf buf;
179  WRes res;
180  Buf_Init(&buf);
181  RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
182  res = OutFile_Open(p, (const char *)buf.data);
183  Buf_Free(&buf, &g_Alloc);
184  return res;
185  #endif
186}
187
188static SRes PrintString(const UInt16 *s)
189{
190  CBuf buf;
191  SRes res;
192  Buf_Init(&buf);
193  res = Utf16_To_Char(&buf, s
194      #ifdef _WIN32
195      , CP_OEMCP
196      #endif
197      );
198  if (res == SZ_OK)
199    fputs((const char *)buf.data, stdout);
200  Buf_Free(&buf, &g_Alloc);
201  return res;
202}
203
204static void UInt64ToStr(UInt64 value, char *s)
205{
206  char temp[32];
207  int pos = 0;
208  do
209  {
210    temp[pos++] = (char)('0' + (unsigned)(value % 10));
211    value /= 10;
212  }
213  while (value != 0);
214  do
215    *s++ = temp[--pos];
216  while (pos);
217  *s = '\0';
218}
219
220static char *UIntToStr(char *s, unsigned value, int numDigits)
221{
222  char temp[16];
223  int pos = 0;
224  do
225    temp[pos++] = (char)('0' + (value % 10));
226  while (value /= 10);
227  for (numDigits -= pos; numDigits > 0; numDigits--)
228    *s++ = '0';
229  do
230    *s++ = temp[--pos];
231  while (pos);
232  *s = '\0';
233  return s;
234}
235
236static void UIntToStr_2(char *s, unsigned value)
237{
238  s[0] = (char)('0' + (value / 10));
239  s[1] = (char)('0' + (value % 10));
240}
241
242#define PERIOD_4 (4 * 365 + 1)
243#define PERIOD_100 (PERIOD_4 * 25 - 1)
244#define PERIOD_400 (PERIOD_100 * 4 + 1)
245
246static void ConvertFileTimeToString(const CNtfsFileTime *nt, char *s)
247{
248  unsigned year, mon, hour, min, sec;
249  Byte ms[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
250  unsigned t;
251  UInt32 v;
252  UInt64 v64 = nt->Low | ((UInt64)nt->High << 32);
253  v64 /= 10000000;
254  sec = (unsigned)(v64 % 60); v64 /= 60;
255  min = (unsigned)(v64 % 60); v64 /= 60;
256  hour = (unsigned)(v64 % 24); v64 /= 24;
257
258  v = (UInt32)v64;
259
260  year = (unsigned)(1601 + v / PERIOD_400 * 400);
261  v %= PERIOD_400;
262
263  t = v / PERIOD_100; if (t ==  4) t =  3; year += t * 100; v -= t * PERIOD_100;
264  t = v / PERIOD_4;   if (t == 25) t = 24; year += t * 4;   v -= t * PERIOD_4;
265  t = v / 365;        if (t ==  4) t =  3; year += t;       v -= t * 365;
266
267  if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))
268    ms[1] = 29;
269  for (mon = 0;; mon++)
270  {
271    unsigned s = ms[mon];
272    if (v < s)
273      break;
274    v -= s;
275  }
276  s = UIntToStr(s, year, 4); *s++ = '-';
277  UIntToStr_2(s, mon + 1); s[2] = '-'; s += 3;
278  UIntToStr_2(s, (unsigned)v + 1); s[2] = ' '; s += 3;
279  UIntToStr_2(s, hour); s[2] = ':'; s += 3;
280  UIntToStr_2(s, min); s[2] = ':'; s += 3;
281  UIntToStr_2(s, sec); s[2] = 0;
282}
283
284void PrintError(const char *sz)
285{
286  printf("\nERROR: %s\n", sz);
287}
288
289#ifdef USE_WINDOWS_FILE
290static void GetAttribString(UInt32 wa, Bool isDir, char *s)
291{
292  s[0] = (char)(((wa & FILE_ATTRIBUTE_DIRECTORY) != 0 || isDir) ? 'D' : '.');
293  s[1] = (char)(((wa & FILE_ATTRIBUTE_READONLY ) != 0) ? 'R': '.');
294  s[2] = (char)(((wa & FILE_ATTRIBUTE_HIDDEN   ) != 0) ? 'H': '.');
295  s[3] = (char)(((wa & FILE_ATTRIBUTE_SYSTEM   ) != 0) ? 'S': '.');
296  s[4] = (char)(((wa & FILE_ATTRIBUTE_ARCHIVE  ) != 0) ? 'A': '.');
297  s[5] = '\0';
298}
299#else
300static void GetAttribString(UInt32, Bool, char *s)
301{
302  s[0] = '\0';
303}
304#endif
305
306// #define NUM_PARENTS_MAX 128
307
308int MY_CDECL main(int numargs, char *args[])
309{
310  CFileInStream archiveStream;
311  CLookToRead lookStream;
312  CSzArEx db;
313  SRes res;
314  ISzAlloc allocImp;
315  ISzAlloc allocTempImp;
316  UInt16 *temp = NULL;
317  size_t tempSize = 0;
318  // UInt32 parents[NUM_PARENTS_MAX];
319
320  printf("\n7z ANSI-C Decoder " MY_VERSION_COPYRIGHT_DATE "\n\n");
321  if (numargs == 1)
322  {
323    printf(
324      "Usage: 7zDec <command> <archive_name>\n\n"
325      "<Commands>\n"
326      "  e: Extract files from archive (without using directory names)\n"
327      "  l: List contents of archive\n"
328      "  t: Test integrity of archive\n"
329      "  x: eXtract files with full paths\n");
330    return 0;
331  }
332  if (numargs < 3)
333  {
334    PrintError("incorrect command");
335    return 1;
336  }
337
338  #if defined(_WIN32) && !defined(USE_WINDOWS_FILE) && !defined(UNDER_CE)
339  g_FileCodePage = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
340  #endif
341
342  allocImp.Alloc = SzAlloc;
343  allocImp.Free = SzFree;
344
345  allocTempImp.Alloc = SzAllocTemp;
346  allocTempImp.Free = SzFreeTemp;
347
348  #ifdef UNDER_CE
349  if (InFile_OpenW(&archiveStream.file, L"\test.7z"))
350  #else
351  if (InFile_Open(&archiveStream.file, args[2]))
352  #endif
353  {
354    PrintError("can not open input file");
355    return 1;
356  }
357
358  FileInStream_CreateVTable(&archiveStream);
359  LookToRead_CreateVTable(&lookStream, False);
360  
361  lookStream.realStream = &archiveStream.s;
362  LookToRead_Init(&lookStream);
363
364  CrcGenerateTable();
365
366  SzArEx_Init(&db);
367  res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
368  if (res == SZ_OK)
369  {
370    char *command = args[1];
371    int listCommand = 0, testCommand = 0, fullPaths = 0;
372    if (strcmp(command, "l") == 0) listCommand = 1;
373    else if (strcmp(command, "t") == 0) testCommand = 1;
374    else if (strcmp(command, "e") == 0) { }
375    else if (strcmp(command, "x") == 0) { fullPaths = 1; }
376    else
377    {
378      PrintError("incorrect command");
379      res = SZ_ERROR_FAIL;
380    }
381
382    if (res == SZ_OK)
383    {
384      UInt32 i;
385
386      /*
387      if you need cache, use these 3 variables.
388      if you use external function, you can make these variable as static.
389      */
390      UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
391      Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
392      size_t outBufferSize = 0;  /* it can have any value before first call (if outBuffer = 0) */
393
394      for (i = 0; i < db.NumFiles; i++)
395      {
396        size_t offset = 0;
397        size_t outSizeProcessed = 0;
398        // const CSzFileItem *f = db.Files + i;
399        size_t len;
400        int isDir = SzArEx_IsDir(&db, i);
401        if (listCommand == 0 && isDir && !fullPaths)
402          continue;
403        len = SzArEx_GetFileNameUtf16(&db, i, NULL);
404        // len = SzArEx_GetFullNameLen(&db, i);
405
406        if (len > tempSize)
407        {
408          SzFree(NULL, temp);
409          tempSize = len;
410          temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0]));
411          if (!temp)
412          {
413            res = SZ_ERROR_MEM;
414            break;
415          }
416        }
417
418        SzArEx_GetFileNameUtf16(&db, i, temp);
419        /*
420        if (SzArEx_GetFullNameUtf16_Back(&db, i, temp + len) != temp)
421        {
422          res = SZ_ERROR_FAIL;
423          break;
424        }
425        */
426
427        if (listCommand)
428        {
429          char attr[8], s[32], t[32];
430          UInt64 fileSize;
431
432          GetAttribString(SzBitWithVals_Check(&db.Attribs, i) ? db.Attribs.Vals[i] : 0, isDir, attr);
433
434          fileSize = SzArEx_GetFileSize(&db, i);
435          UInt64ToStr(fileSize, s);
436          if (SzBitWithVals_Check(&db.MTime, i))
437            ConvertFileTimeToString(&db.MTime.Vals[i], t);
438          else
439          {
440            size_t j;
441            for (j = 0; j < 19; j++)
442              t[j] = ' ';
443            t[j] = '\0';
444          }
445          
446          printf("%s %s %10s  ", t, attr, s);
447          res = PrintString(temp);
448          if (res != SZ_OK)
449            break;
450          if (isDir)
451            printf("/");
452          printf("\n");
453          continue;
454        }
455        fputs(testCommand ?
456            "Testing    ":
457            "Extracting ",
458            stdout);
459        res = PrintString(temp);
460        if (res != SZ_OK)
461          break;
462        if (isDir)
463          printf("/");
464        else
465        {
466          res = SzArEx_Extract(&db, &lookStream.s, i,
467              &blockIndex, &outBuffer, &outBufferSize,
468              &offset, &outSizeProcessed,
469              &allocImp, &allocTempImp);
470          if (res != SZ_OK)
471            break;
472        }
473        if (!testCommand)
474        {
475          CSzFile outFile;
476          size_t processedSize;
477          size_t j;
478          UInt16 *name = (UInt16 *)temp;
479          const UInt16 *destPath = (const UInt16 *)name;
480          for (j = 0; name[j] != 0; j++)
481            if (name[j] == '/')
482            {
483              if (fullPaths)
484              {
485                name[j] = 0;
486                MyCreateDir(name);
487                name[j] = CHAR_PATH_SEPARATOR;
488              }
489              else
490                destPath = name + j + 1;
491            }
492    
493          if (isDir)
494          {
495            MyCreateDir(destPath);
496            printf("\n");
497            continue;
498          }
499          else if (OutFile_OpenUtf16(&outFile, destPath))
500          {
501            PrintError("can not open output file");
502            res = SZ_ERROR_FAIL;
503            break;
504          }
505          processedSize = outSizeProcessed;
506          if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed)
507          {
508            PrintError("can not write output file");
509            res = SZ_ERROR_FAIL;
510            break;
511          }
512          if (File_Close(&outFile))
513          {
514            PrintError("can not close output file");
515            res = SZ_ERROR_FAIL;
516            break;
517          }
518          #ifdef USE_WINDOWS_FILE
519          if (SzBitWithVals_Check(&db.Attribs, i))
520            SetFileAttributesW(destPath, db.Attribs.Vals[i]);
521          #endif
522        }
523        printf("\n");
524      }
525      IAlloc_Free(&allocImp, outBuffer);
526    }
527  }
528  SzArEx_Free(&db, &allocImp);
529  SzFree(NULL, temp);
530
531  File_Close(&archiveStream.file);
532  if (res == SZ_OK)
533  {
534    printf("\nEverything is Ok\n");
535    return 0;
536  }
537  if (res == SZ_ERROR_UNSUPPORTED)
538    PrintError("decoder doesn't support this archive");
539  else if (res == SZ_ERROR_MEM)
540    PrintError("can not allocate memory");
541  else if (res == SZ_ERROR_CRC)
542    PrintError("CRC error");
543  else
544    printf("\nERROR #%d\n", res);
545  return 1;
546}