Source code of Windows XP (NT5)
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#ifndef __FONT_VALIDATION_STATUS_CODES_H
#define __FONT_VALIDATION_STATUS_CODES_H
//
// Detailed status codes for function CheckInfWithStatusA().
// These codes were added after the initial creation of the T1 installer library.
// CheckInfA() returns TRUE/FALSE. However, a FALSE return value was
// not sufficiently descriptive for a user interface to respond appropriately.
// The function CheckInfWithStatusA() was added to provide detailed status info.
// No new return points were added to T1 installer functions. These codes merely
// replace the original TRUE/FALSE return values.
//
// These codes are also used in the font folder font validation functions.
//
// The code is designed to return information that identifies:
// a) What happened.
// b) What file the status applies to (if applicable).
//
//
// bit-> 15 7 0
// +-+----------------+-----------------+
// |S| Status Code | File Type Code |
// +-+----------------+-----------------+
// |
// +--- Severity bit.
//
// 1 = Error. A true error like file i/o, mem alloc etc.
// 0 = No error. But status may indicate invalid font file.
//
// >>>>>>> NOTE <<<<<<<<
//
// This file contains codes that are generated by the
// T1 installer function CheckType1A and by related font folder functions.
// Since both the T1 installer and the font folder must understand
// these codes, the font folder must include this file. I apologize for
// this added coupling between the T1 installer and the font folder but
// it is necessary for detailed status reporting [brianau].
//
#define FVS_FILE_UNK 0x00 // File unknown or "doesn't matter".
#define FVS_FILE_PFM 0x01 // PFM file
#define FVS_FILE_PFB 0x02 // PFB file
#define FVS_FILE_AFM 0x03 // AFM file
#define FVS_FILE_INF 0x04 // INF file
#define FVS_FILE_TTF 0x05 // TTF file
#define FVS_FILE_FOT 0x06 // FOT file
//
// Status codes.
//
#define FVS_SUCCESS 0x00 // No problem!
#define FVS_INVALID_FONTFILE 0x01 // Invalid font file or file name.
#define FVS_BAD_VERSION 0x02 // File version not supported.
#define FVS_FILE_BUILD_ERR 0x03 // Error building a font file.
#define FVS_FILE_EXISTS 0x04 // File already exists.
#define FVS_FILE_OPEN_ERR 0x05 // Couldn't find/open existing file.
//
// These codes indicate true system errors. Note use of high bit
// to indicate severity.
//
#define FVS_FILE_CREATE_ERR 0x80 // Couldn't create new file.
#define FVS_FILE_IO_ERR 0x81 // General file I/O error.
#define FVS_INVALID_ARG 0x82 // Invalid arg passed to function.
#define FVS_EXCEPTION 0x83 // Exception caught.
#define FVS_INSUFFICIENT_BUF 0x84 // Destination buf too small.
#define FVS_MEM_ALLOC_ERR 0x85 // Error allocating memory.
#define FVS_INVALID_STATUS 0x86 // For ensuring status was set.
//
// Macros for creating and parsing status codes.
//
#define FVS_MAKE_CODE(c,f) ((WORD)(((BYTE)(c) << 8) | (BYTE)(f))) // Build code
#define FVS_STATUS(c) (((c) >> 8) & 0x00FF) // Get status part
#define FVS_FILE(c) ((c) & 0x00FF) // Get file part
#define FVS_ISERROR(c) (((c) & 0x8000) != 0) // Severity bit == 1 ?
#endif
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