diff options
Diffstat (limited to 'os_specific/service_layers/oswinxf.c')
| -rw-r--r-- | os_specific/service_layers/oswinxf.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/os_specific/service_layers/oswinxf.c b/os_specific/service_layers/oswinxf.c index c9545216eb9ce..e8a49190ecf94 100644 --- a/os_specific/service_layers/oswinxf.c +++ b/os_specific/service_layers/oswinxf.c @@ -477,17 +477,21 @@ AcpiOsVprintf ( * * FUNCTION: AcpiOsGetLine * - * PARAMETERS: Buffer - Where to store the line + * 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) { char Temp; UINT32 i; @@ -495,6 +499,11 @@ AcpiOsGetLine ( for (i = 0; ; i++) { + if (i >= BufferLength) + { + return (AE_BUFFER_OVERFLOW); + } + scanf ("%1c", &Temp); if (!Temp || Temp == '\n') { @@ -510,7 +519,11 @@ AcpiOsGetLine ( /* Return the number of bytes in the string */ - return (i); + if (BytesRead) + { + *BytesRead = i; + } + return (AE_OK); } |