fblerror_h.3

Linux Framebuffer c函数库

.TH "fblerror.h" 3 "27 Sep 2002" "FrameBufferLibrary (FBL)" \" -*- nroff -*-
.ad l
.nh
.SH NAME
fblerror.h \- 
.SH SYNOPSIS
.br
.PP
.SS No error

.in +1c
.ti -1c
.RI "#define \fBFBL_OK\fR  0"
.br
.in -1c
.SS Errors

.in +1c
.ti -1c
.RI "#define \fBFBL_WARNING\fR  -3"
.br
.ti -1c
.RI "#define \fBFBL_CHECK_ERRNO\fR  -2"
.br
.ti -1c
.RI "#define \fBFBL_CHECK_FBL_ERRNO\fR  -1"
.br
.ti -1c
.RI "#define \fBFBL_NO_SCREEN\fR  256"
.br
.ti -1c
.RI "#define \fBFBL_NO_MODES\fR  257"
.br
.ti -1c
.RI "#define \fBFBL_SETMODE_FAILED\fR  258"
.br
.ti -1c
.RI "#define \fBFBL_NO_MEM\fR  259"
.br
.ti -1c
.RI "#define \fBFBL_ILLEGAL_MODE\fR  260"
.br
.ti -1c
.RI "#define \fBFBL_NULL_POINTER\fR  261"
.br
.ti -1c
.RI "#define \fBFBL_SCREEN_NOT_RESIZABLE\fR  262"
.br
.ti -1c
.RI "#define \fBFBL_IOCTL_EBADF\fR  EBADF"
.br
.ti -1c
.RI "#define \fBFBL_IOCTL_EFAULT\fR  EFAULT"
.br
.ti -1c
.RI "#define \fBFBL_IOCTL_ENOTTY\fR  ENOTTY"
.br
.ti -1c
.RI "#define \fBFBL_IOCTL_EINVAL\fR  EINVAL"
.br
.in -1c
.SS Defines

.in +1c
.ti -1c
.RI "#define \fBFBL_ERROR_BUFFER_SIZE\fR  10000"
.br
.in -1c
.SS Functions

.in +1c
.ti -1c
.RI "int \fBFBL_error_init\fR ()"
.br
.ti -1c
.RI "void \fBFBL_print_errors\fR ()"
.br
.ti -1c
.RI "void \fBFBL_error\fR (char *error_string, int error_code)"
.br
.ti -1c
.RI "int \fBFBL_error_exit\fR ()"
.br
.in -1c
.SS Variables

.in +1c
.ti -1c
.RI "int \fBFBL_Errno\fR"
.br
.in -1c
.SH DETAILED DESCRIPTION
.PP 
  Error handling of the FBL.  Functions handle an error stack, that allows to trace errors.
.PP
.SH DEFINE DOCUMENTATION
.PP 
.SS #define FBL_CHECK_ERRNO  -2
.PP
Check the errno variable from errno.h to  find source of error 
.SS #define FBL_CHECK_FBL_ERRNO  -1
.PP
Check FBL intern errno variable 
.SS #define FBL_ERROR_BUFFER_SIZE  10000
.PP
Buffer for error messages in bytes 
.SS #define FBL_ILLEGAL_MODE  260
.PP
Inconsistent mode specification 
.SS #define FBL_IOCTL_EBADF  EBADF
.PP
IOCTL Bad file descriptor 
.SS #define FBL_IOCTL_EFAULT  EFAULT
.PP
IOCTL Memory area not accessible 
.SS #define FBL_IOCTL_EINVAL  EINVAL
.PP
IOCTL Request or argument invalid 
.SS #define FBL_IOCTL_ENOTTY  ENOTTY
.PP
IOCTL file descriptor doesn't point to TTY  special device 
.SS #define FBL_NO_MEM  259
.PP
Out of memory 
.SS #define FBL_NO_MODES  257
.PP
No video mode of the selected output device fits the request 
.SS #define FBL_NO_SCREEN  256
.PP
A screen module signaled that the output  device it implements is not available 
.SS #define FBL_NULL_POINTER  261
.PP
A NULL pointer occured where it shouldn't 
.SS #define FBL_OK  0
.PP
Function call successful 
.SS #define FBL_SCREEN_NOT_RESIZABLE  262
.PP
It was tried to resize a screen which  doesn't has this capability 
.SS #define FBL_SETMODE_FAILED  258
.PP
Video mode could not be set 
.SS #define FBL_WARNING  -3
.PP
this is not an error, but gives a warning text 
.SH FUNCTION DOCUMENTATION
.PP 
.SS void FBL_error (char * error_string, int error_code)
.PP
.PP
For internal use only.
.SS int FBL_error_exit ()
.PP
.PP
For internal use only.
.SS int FBL_error_init ()
.PP
.PP
For internal use only.
.SS void FBL_print_errors ()
.PP
Prints error stack to stdout 
.SH AUTHOR
.PP 
Generated automatically by Doxygen for FrameBufferLibrary (FBL) from the source code.