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GenBin.c
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GenBin.c
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/** @file
Copyright 2006 - 2010 Unified EFI, Inc.<BR>
Copyright (c) 2010 - 2019 Intel Corporation. All rights reserved.<BR>
Copyright (c) 2018 ARM Ltd. All rights reserved.<BR>
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:
GenBin.c
Abstract:
Generate a binary file.
--*/
//
// Includes
//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
//
// Definitions
//
#define MAX_LINE_LENGTH 2048
#define MAX_BUFFER_SIZE 2048
//
// Internal functions declaration
//
void
PrintUsage (
void
);
char *
Trim (
char *String
);
int
GetLine (
FILE *Profile,
char *String,
int *LineNo
);
int
WriteBlock (
FILE *BinFile,
long Start,
long End,
void *Buffer,
int BufferSize
);
int
GenBin (
FILE *Profile,
FILE *BinFile
);
//
// External functions implementation
//
int
main (
int Argc,
char **Argv
)
{
int Result;
FILE *Profile;
FILE *BinFile;
//
// Check parameters
//
if (Argc != 3) {
PrintUsage ();
return -1;
}
//
// Open the profile
//
Profile = fopen (Argv[1], "r");
if (Profile == NULL) {
printf ("Error: Cannot open the profile\n");
return -1;
}
//
// Open the binary file
//
BinFile = fopen (Argv[2], "wb");
if (BinFile == NULL) {
printf ("Error: Cannot create the binary file\n");
fclose (Profile);
return -1;
}
//
// Generate the binary file
//
Result = GenBin (Profile, BinFile);
if (Result != 0) {
printf ("Error: Cannot generate the binary file\n");
fclose (Profile);
fclose (BinFile);
return -1;
}
//
// Close the profile and binary file
//
fclose (Profile);
fclose (BinFile);
//
// Done
//
return 0;
}
//
// Internal functions implementation
//
void
PrintUsage (
void
)
{
printf (
"Generate a binary file. Version 0.1\n"
"\n"
"Usage: GenBin <Profile> <Binary File>\n"
"\n"
);
}
char *
Trim (
char *String
)
{
int Length;
char *end;
Length = strlen (String);
if (!Length) {
return String;
}
end = String + Length - 1;
//
// Remove the space characters from the end of this string
//
while (end >= String && isspace (*end)) {
end--;
}
*(end + 1) = '\0';
//
// Remove the space characters from the beginning of this string
//
while (*String && isspace (*String)) {
String++;
}
//
// Done
//
return String;
}
int
GetLine (
FILE *Profile,
char *String,
int *LineNo
)
{
char *Result;
//
// While get a useful line
//
for ( ; ; ) {
//
// Get a string from the profile
//
Result = fgets (String, MAX_LINE_LENGTH, Profile);
if (Result == NULL) {
return -1;
}
(*LineNo)++;
//
// Remove the beginning and ending space characters
//
String = Trim (Result);
//
// Skip the empty line and comment line
//
if ((String[0] != '\0') &&
(String[0] != '#' )) {
break;
}
}
//
// Done
//
return 0;
}
int
WriteBlock (
FILE *BinFile,
long Start,
long End,
void *Buffer,
int BufferSize
)
{
int Result;
long Size;
//
// Move the file pointer to the start position
//
Result = fseek (BinFile, Start, SEEK_SET);
if (Result != 0) {
return -1;
}
//
// Write the buffer one by one
//
Size = End - Start + 1;
while (Size > 0) {
if (Size < BufferSize) {
Result = fwrite (Buffer, 1, Size, BinFile);
}
else {
Result = fwrite (Buffer, 1, BufferSize, BinFile);
}
if (Result == 0) {
return -1;
}
Size -= Result;
}
//
// Done
//
return 0;
}
int
GenBin (
FILE *Profile,
FILE *BinFile
)
{
int Result;
int LineNo;
long Start;
long End;
char String[MAX_LINE_LENGTH];
char *NumPtr;
char *EndPtr;
char Buffer[MAX_BUFFER_SIZE];
int BufferSize;
LineNo = 0;
//
// While it is not end of file
//
for ( ; ; ) {
//
// Get a line
//
Result = GetLine (Profile, String, &LineNo);
if (Result != 0) {
break;
}
//
// Get the start address and end address
//
NumPtr = String;
Start = strtol (NumPtr, &EndPtr, 16);
if ((EndPtr == NumPtr) || (EndPtr == NULL)) {
printf ("Error: Invalid format (Line %d)\n", LineNo);
return -1;
}
NumPtr = EndPtr;
End = strtol (NumPtr, &EndPtr, 16);
if ((EndPtr == NumPtr) || (EndPtr == NULL)) {
printf ("Error: Invalid format (Line %d)\n", LineNo);
return -1;
}
//
// Get the data buffer
//
BufferSize = 0;
while (BufferSize < MAX_BUFFER_SIZE) {
NumPtr = EndPtr;
Buffer[BufferSize] = (char) strtol (NumPtr, &EndPtr, 16);
if ((EndPtr == NumPtr) || (EndPtr == NULL)) {
break;
}
BufferSize++;
}
//
// Buffer size cannot be zero
//
if (BufferSize == 0) {
printf ("Error: Invalid format (Line %d)\n", LineNo);
return -1;
}
//
// Write this buffer
//
Result = WriteBlock (BinFile, Start, End, Buffer, BufferSize);
if (Result != 0) {
printf ("Error: Cannot write in format (Line %d)\n", LineNo);
return -1;
}
}
//
// Done
//
return 0;
}