ACPI_STATUS
FlIsFileAsciiSource (
char *Filename,
BOOLEAN DisplayErrors)
{
UINT8 Byte;
ACPI_SIZE BadBytes = 0;
BOOLEAN OpeningComment = FALSE;
ASL_FILE_STATUS Status;
FILE *Handle;
/* Open file in text mode so file offset is always accurate */
Handle = fopen (Filename, "rb");
if (!Handle)
{
perror ("Could not open input file");
return (AE_ERROR);
}
Status.Line = 1;
Status.Offset = 0;
/* Read the entire file */
while (fread (&Byte, 1, 1, Handle) == 1)
{
/* Ignore comment fields (allow non-ascii within) */
if (OpeningComment)
{
/* Check for second comment open delimiter */
if (Byte == '*')
{
FlConsumeAnsiComment (Handle, &Status);
}
if (Byte == '/')
{
FlConsumeNewComment (Handle, &Status);
}
/* Reset */
OpeningComment = FALSE;
}
else if (Byte == '/')
{
OpeningComment = TRUE;
}
/* Check for an ASCII character */
if (!ACPI_IS_ASCII (Byte))
{
if ((BadBytes < 10) && (DisplayErrors))
{
AcpiOsPrintf (
"Found non-ASCII character in source text: "
"0x%2.2X in line %u, file offset 0x%2.2X\n",
Byte, Status.Line, Status.Offset);
}
BadBytes++;
}
/* Ensure character is either printable or a "space" char */
else if (!isprint (Byte) && !isspace (Byte))
{
if ((BadBytes < 10) && (DisplayErrors))
{
AcpiOsPrintf (
"Found invalid character in source text: "
"0x%2.2X in line %u, file offset 0x%2.2X\n",
Byte, Status.Line, Status.Offset);
}
BadBytes++;
}
/* Update line counter as necessary */
if (Byte == 0x0A)
{
Status.Line++;
}
Status.Offset++;
}
fclose (Handle);
/* Were there any non-ASCII characters in the file? */
if (BadBytes)
{
if (DisplayErrors)
{
AcpiOsPrintf (
"Total %u invalid characters found in input source text, "
"could be a binary file\n", BadBytes);
AslError (ASL_ERROR, ASL_MSG_NON_ASCII, NULL, Filename);
}
return (AE_BAD_CHARACTER);
}
/* File is OK (100% ASCII) */
return (AE_OK);
}
ACPI_STATUS
FlCheckForAscii (
FILE *Handle,
char *Filename,
BOOLEAN DisplayErrors)
{
UINT8 Byte;
ACPI_SIZE BadBytes = 0;
BOOLEAN OpeningComment = FALSE;
ASL_FILE_STATUS Status;
Status.Line = 1;
Status.Offset = 0;
/* Read the entire file */
while (fread (&Byte, 1, 1, Handle) == 1)
{
/* Ignore comment fields (allow non-ascii within) */
if (OpeningComment)
{
/* Check for second comment open delimiter */
if (Byte == '*')
{
FlConsumeAnsiComment (Handle, &Status);
}
if (Byte == '/')
{
FlConsumeNewComment (Handle, &Status);
}
/* Reset */
OpeningComment = FALSE;
}
else if (Byte == '/')
{
OpeningComment = TRUE;
}
/* Check for an ASCII character */
if (!ACPI_IS_ASCII (Byte))
{
if ((BadBytes < 10) && (DisplayErrors))
{
AcpiOsPrintf (
"Non-ASCII character [0x%2.2X] found in line %u, file offset 0x%.2X\n",
Byte, Status.Line, Status.Offset);
}
BadBytes++;
}
/* Update line counter */
else if (Byte == 0x0A)
{
Status.Line++;
}
Status.Offset++;
}
/* Seek back to the beginning of the source file */
fseek (Handle, 0, SEEK_SET);
/* Were there any non-ASCII characters in the file? */
if (BadBytes)
{
if (DisplayErrors)
{
AcpiOsPrintf (
"%u non-ASCII characters found in input source text, could be a binary file\n",
BadBytes);
AslError (ASL_ERROR, ASL_MSG_NON_ASCII, NULL, Filename);
}
return (AE_BAD_CHARACTER);
}
/* File is OK (100% ASCII) */
return (AE_OK);
}
