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/*++
Copyright (c) 1999-2006 Intel Corporation. All rights reserved
This program and the accompanying materials are licensed and made available
under the terms and conditions of the BSD License which accompanies this
distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
CreateMtFile.c
Abstract:
Simple utility to create a pad file containing fixed data.
--*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <Common/UefiBaseTypes.h>
#define PROGRAM_NAME "CreateMtFile"
typedef struct {
INT8 *OutFileName;
INT8 ByteValue;
UINT32 FileSize;
} OPTIONS;
static
EFI_STATUS
ProcessArgs (
IN INT32 Argc,
IN INT8 *Argv[],
IN OUT OPTIONS *Options
);
static
void
Usage (
VOID
);
int
main (
IN INT32 Argc,
IN INT8 *Argv[]
)
/*++
Routine Description:
Main entry point for this utility.
Arguments:
Standard C entry point args Argc and Argv
Returns:
EFI_SUCCESS if good to go
--*/
// GC_TODO: ] - add argument and description to function comment
// GC_TODO: EFI_INVALID_PARAMETER - add return value to function comment
// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
// GC_TODO: EFI_DEVICE_ERROR - add return value to function comment
{
FILE *OutFptr;
OPTIONS Options;
//
// Process the command-line arguments.
//
if (ProcessArgs (Argc, Argv, &Options) != EFI_SUCCESS) {
return EFI_INVALID_PARAMETER;
}
//
// Open the output file
//
if ((OutFptr = fopen (Options.OutFileName, "wb")) == NULL) {
fprintf (
stdout,
PROGRAM_NAME " ERROR: Could not open output file '%s' for writing\n",
Options.OutFileName
);
return EFI_DEVICE_ERROR;
}
//
// Write the pad bytes. Do it the slow way (one at a time) for now.
//
while (Options.FileSize > 0) {
if (fwrite (&Options.ByteValue, 1, 1, OutFptr) != 1) {
fclose (OutFptr);
fprintf (stdout, PROGRAM_NAME " ERROR: Failed to write to output file\n");
return EFI_DEVICE_ERROR;
}
Options.FileSize--;
}
//
// Close the file
//
fclose (OutFptr);
return EFI_SUCCESS;
}
static
EFI_STATUS
ProcessArgs (
IN INT32 Argc,
IN INT8 *Argv[],
IN OUT OPTIONS *Options
)
/*++
Routine Description:
Process the command line arguments.
Arguments:
Argc - argument count as passed in to the entry point function
Argv - array of arguments as passed in to the entry point function
Options - stucture of where to put the values of the parsed arguments
Returns:
EFI_SUCCESS if everything looks good
EFI_INVALID_PARAMETER otherwise
--*/
// GC_TODO: ] - add argument and description to function comment
{
UINT32 Multiplier;
//
// Clear the options
//
memset ((char *) Options, 0, sizeof (OPTIONS));
//
// Skip program name
//
Argv++;
Argc--;
if (Argc < 2) {
Usage ();
return EFI_INVALID_PARAMETER;
}
//
// If first arg is dash-option, then print usage.
//
if (Argv[0][0] == '-') {
Usage ();
return EFI_INVALID_PARAMETER;
}
//
// First arg is file name
//
Options->OutFileName = Argv[0];
Argc--;
Argv++;
//
// Second arg is file size. Allow 0x1000, 0x100K, 1024, 1K
//
Multiplier = 1;
if ((Argv[0][strlen (Argv[0]) - 1] == 'k') || (Argv[0][strlen (Argv[0]) - 1] == 'K')) {
Multiplier = 1024;
}
//
// Look for 0x prefix on file size
//
if ((Argv[0][0] == '0') && ((Argv[0][1] == 'x') || (Argv[0][1] == 'X'))) {
if (sscanf (Argv[0], "%x", &Options->FileSize) != 1) {
fprintf (stdout, PROGRAM_NAME " ERROR: Invalid file size '%s'\n", Argv[0]);
Usage ();
return EFI_INVALID_PARAMETER;
}
//
// Otherwise must be a decimal number
//
} else {
if (sscanf (Argv[0], "%d", &Options->FileSize) != 1) {
fprintf (stdout, PROGRAM_NAME " ERROR: Invalid file size '%s'\n", Argv[0]);
Usage ();
return EFI_INVALID_PARAMETER;
}
}
Options->FileSize *= Multiplier;
//
// Assume byte value of 0xff
//
Options->ByteValue = (INT8) (UINT8) 0xFF;
return EFI_SUCCESS;
}
//
// Print utility usage info
//
static
void
Usage (
VOID
)
/*++
Routine Description:
GC_TODO: Add function description
Arguments:
None
Returns:
GC_TODO: add return values
--*/
{
UINT32 Index;
static const INT8 *Text[] = {
" ",
"Usage: "PROGRAM_NAME " OutFileName FileSize",
" where:",
" OutFileName is the name of the output file to generate",
" FileSize is the size of the file to create",
" Examples:",
" "PROGRAM_NAME " OutFile.bin 32K",
" "PROGRAM_NAME " OutFile.bin 0x1000",
" ",
NULL
};
for (Index = 0; Text[Index] != NULL; Index++) {
fprintf (stdout, "%s\n", Text[Index]);
}
}
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