diff options
Diffstat (limited to 'osunixxf.c')
| -rw-r--r-- | osunixxf.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/osunixxf.c b/osunixxf.c index 8a23d3635b72..434e5fe1a41e 100644 --- a/osunixxf.c +++ b/osunixxf.c @@ -311,18 +311,21 @@ AcpiOsVprintf ( * * FUNCTION: AcpiOsGetLine * - * PARAMETERS: fmt - Standard printf format - * args - Argument list + * PARAMETERS: Buffer - Where to return the command line + * BufferLength - Maximum length of Buffer + * BytesRead - Where the actual byte count is returned * - * RETURN: Actual bytes read + * RETURN: Status and actual bytes read * * DESCRIPTION: Formatted input with argument list pointer * *****************************************************************************/ -UINT32 +ACPI_STATUS AcpiOsGetLine ( - char *Buffer) + char *Buffer, + UINT32 BufferLength, + UINT32 *BytesRead) { UINT8 Temp; UINT32 i; @@ -330,6 +333,11 @@ AcpiOsGetLine ( for (i = 0; ; i++) { + if (i >= BufferLength) + { + return (AE_BUFFER_OVERFLOW); + } + scanf ("%1c", &Temp); if (!Temp || Temp == '\n') { @@ -345,7 +353,11 @@ AcpiOsGetLine ( /* Return the number of bytes in the string */ - return (i); + if (BytesRead) + { + *BytesRead = i; + } + return (AE_OK); } |