remove unnecessary check for NULL pointer.

[mirror_edk2.git] / Tools / CCode / Source / Strip / Strip.c

/*++\r
\r
Copyright (c)  2004-2006 Intel Corporation. All rights reserved\r
This program and the accompanying materials are licensed and made available\r
under the terms and conditions of the BSD License which accompanies this\r
distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
\r
Module Name:\r
\r
  Strip.c\r
\r
Abstract:\r
\r
  Quick Exe2Bin equivalent.\r
\r
--*/\r
\r
#include <stdio.h>\r
#include <memory.h>\r
#include <string.h>\r
#include <stdlib.h>\r
\r
#define UTILITY_NAME  "Strip"\r
#define UTILITY_MAJOR_VERSION 1\r
#define UTILITY_MINOR_VERSION 1\r
\r
\r
void \r
Version(\r
  void\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Print out version information for Strip.\r
\r
Arguments:\r
\r
  None\r
  \r
Returns:\r
\r
  None\r
  \r
--*/ \r
{\r
  printf ("%s v%d.%d -EDK Utility to Convert EXE to BIN\n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION);\r
  printf ("Copyright (c) 2005-2006 Intel Corporation. All rights reserved.\n");\r
}\r
\r
void \r
Usage(\r
  void\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Print out usage information for Strip.\r
\r
Arguments:\r
\r
  None\r
  \r
Returns:\r
\r
  None\r
  \r
--*/ \r
{\r
  Version();\r
  printf ("\nUsage: %s InputFile OutputFile\n", UTILITY_NAME);\r
}\r
\r
int\r
main (\r
  int  argc,\r
  char *argv[]\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  Converts executable files to binary files.\r
\r
Arguments:\r
\r
  argc   - Number of command line arguments\r
  argv[] - Array of pointers to the command line arguments\r
\r
Returns:\r
\r
  Zero     - Function completed successfully.\r
  Non-zero - Function exited with errors.\r
\r
--*/\r
{\r
  FILE  *InFile;\r
  FILE  *OutFile;\r
  int   Index;\r
  int   FileSize;\r
  char  *Buffer;\r
  char  *Ptrx;\r
  \r
  if (argc == 1) {\r
    Usage();\r
    return -1;\r
  }\r
  \r
  if ((strcmp(argv[1], "-h") == 0) || (strcmp(argv[1], "--help") == 0) ||\r
      (strcmp(argv[1], "-?") == 0) || (strcmp(argv[1], "/?") == 0)) {\r
    Usage();\r
    return 0;\r
  }\r
  \r
  if ((strcmp(argv[1], "-V") == 0) || (strcmp(argv[1], "--version") == 0)) {\r
    Version();\r
    return 0;\r
  }\r
  \r
  if (argc < 3) {\r
    Usage();\r
    return -1;\r
  }\r
\r
  InFile  = fopen (argv[1], "rb");\r
  OutFile = fopen (argv[2], "wb");\r
\r
  if (!InFile) {\r
    printf ("Unable to open input file, exit\n");\r
    return -1;\r
  }\r
\r
  if (OutFile == NULL) {\r
    printf ("Unable to open output file, exit.\n");\r
    return -1;\r
  }\r
\r
  fseek (InFile, 0, SEEK_END);\r
  FileSize = ftell (InFile);\r
\r
  if (FileSize < 0x200) {\r
    printf ("%d is not a legal file size, exit\n", FileSize);\r
    return -1;\r
  }\r
\r
  fseek (InFile, 0, SEEK_SET);\r
\r
  Buffer = (char *) malloc (FileSize);\r
  if (Buffer == NULL) {\r
    printf ("Error: Out of resources.\n");\r
    return -1;\r
  }\r
\r
  fread (Buffer, 1, FileSize, InFile);\r
\r
  Ptrx  = Buffer + 0x200;\r
\r
  Index = FileSize - 0x200;\r
\r
  fwrite (Ptrx, Index, 1, OutFile);\r
\r
  fclose (InFile);\r
  fclose (OutFile);\r
  free (Buffer);\r
\r
  return 0;\r
}\r