utstring.c File Reference

#include "acpi.h"
#include "accommon.h"
#include "acnamesp.h"

Include dependency graph for utstring.c:

Go to the source code of this file.

Macros
#define	_COMPONENT   ACPI_UTILITIES

Functions
void	AcpiUtPrintString (char *String, UINT16 MaxLength)
void	AcpiUtRepairName (char *Name)

Macro Definition Documentation

_COMPONENT

#define _COMPONENT   ACPI_UTILITIES

Definition at line 49 of file utstring.c.

Function Documentation

AcpiUtPrintString()

void AcpiUtPrintString	(	char *	String,
		UINT16	MaxLength
	)

Definition at line 69 of file utstring.c.

{
    UINT32                  i;


    if (!String)
    {
        AcpiOsPrintf ("<\"NULL STRING PTR\">");
        return;
    }

    AcpiOsPrintf ("\"");
    for (i = 0; (i < MaxLength) && String[i]; i++)
    {
        /* Escape sequences */

        switch (String[i])
        {
        case 0x07:

            AcpiOsPrintf ("\\a");       /* BELL */
            break;

        case 0x08:

            AcpiOsPrintf ("\\b");       /* BACKSPACE */
            break;

        case 0x0C:

            AcpiOsPrintf ("\\f");       /* FORMFEED */
            break;

        case 0x0A:

            AcpiOsPrintf ("\\n");       /* LINEFEED */
            break;

        case 0x0D:

            AcpiOsPrintf ("\\r");       /* CARRIAGE RETURN*/
            break;

        case 0x09:

            AcpiOsPrintf ("\\t");       /* HORIZONTAL TAB */
            break;

        case 0x0B:

            AcpiOsPrintf ("\\v");       /* VERTICAL TAB */
            break;

        case '\'':                      /* Single Quote */
        case '\"':                      /* Double Quote */
        case '\\':                      /* Backslash */

            AcpiOsPrintf ("\\%c", (int) String[i]);
            break;

        default:

            /* Check for printable character or hex escape */

            if (isprint ((int) String[i]))
            {
                /* This is a normal character */

                AcpiOsPrintf ("%c", (int) String[i]);
            }
            else
            {
                /* All others will be Hex escapes */

                AcpiOsPrintf ("\\x%2.2X", (INT32) String[i]);
            }
            break;
        }
    }

    AcpiOsPrintf ("\"");

    if (i == MaxLength && String[i])
    {
        AcpiOsPrintf ("...");
    }
}

AcpiUtRepairName()

void AcpiUtRepairName

(

char *

Name

)

Definition at line 183 of file utstring.c.

{
    UINT32                  i;
    BOOLEAN                 FoundBadChar = FALSE;
    UINT32                  OriginalName;


    ACPI_FUNCTION_NAME (UtRepairName);


    /*
     * Special case for the root node. This can happen if we get an
     * error during the execution of module-level code.
     */
    if (ACPI_COMPARE_NAMESEG (Name, ACPI_ROOT_PATHNAME))
    {
        return;
    }

    ACPI_COPY_NAMESEG (&OriginalName, Name);

    /* Check each character in the name */

    for (i = 0; i < ACPI_NAMESEG_SIZE; i++)
    {
        if (AcpiUtValidNameChar (Name[i], i))
        {
            continue;
        }

        /*
         * Replace a bad character with something printable, yet technically
         * still invalid. This prevents any collisions with existing "good"
         * names in the namespace.
         */
        Name[i] = '*';
        FoundBadChar = TRUE;
    }

    if (FoundBadChar)
    {
        /* Report warning only if in strict mode or debug mode */

        if (!AcpiGbl_EnableInterpreterSlack)
        {
            ACPI_WARNING ((AE_INFO,
                "Invalid character(s) in name (0x%.8X), repaired: [%4.4s]",
                OriginalName, Name));
        }
        else
        {
            ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
                "Invalid character(s) in name (0x%.8X), repaired: [%4.4s]",
                OriginalName, Name));
        }
    }
}

Referenced by AcpiNsExternalizeName(), AcpiNsSearchAndEnter(), and AcpiUtGetNodeName().