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Clarify format of error codes

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This commit is contained in:
Hugues Delorme 2017-01-12 10:25:30 +01:00
parent 0481df6e61
commit 929f54e13c
4 changed files with 26 additions and 18 deletions
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2
src/gmio_amf/amf_error.h
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@ -39,7 +39,7 @@
/*! \c GMIO_AMF_ERROR_TAG
* Byte-mask to tag(identify) AMF-specific error codes */
enum { GMIO_AMF_ERROR_TAG = 0x12000000 };
enum { GMIO_AMF_ERROR_TAG = 0x02000000 };
/*! Specific error codes reported by AMF read/write functions */
enum gmio_amf_error

36
src/gmio_core/error.h
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@ -39,17 +39,20 @@
#include "global.h"
enum {
/*! \c GMIO_ZLIB_ERROR_TAG
* Byte-mask to tag(identify) zlib-specific error codes */
GMIO_ZLIB_ERROR_TAG = 0x01000000,
/*! \c GMIO_ZIP_ERROR_TAG
* Byte-mask to tag(identify) ZIP-specific error codes */
GMIO_ZIP_ERROR_TAG = 0x02000000
};
/*! Common errors */
/*! Common errors
*
* Format:
* <code>
* 4-bytes signed integer (ISO C restricts enumerator value to 'int')
* max value: 0x7FFFFFFF
* bits 0x00FFFFFF..0x7FFFFFFF: tag identifying the error category
* bits 0x001FFFFF..0x00FFFFFF: tag identifying an error sub-category
* bits 0x00000000..0x000FFFFF: error value in the (sub)category
* Max count of categories : 128 (2^7)
* Max count of sub-categories : 15 (2^4 - 1)
* Max count of error values : 1048576 (2^20)
* <encode>
*/
enum gmio_error
{
/*! No error occurred, success */
@ -80,7 +83,7 @@ enum gmio_error
/* zlib */
/*! See \c Z_ERRNO (file operation error) */
GMIO_ERROR_ZLIB_ERRNO = GMIO_ZLIB_ERROR_TAG + 0x01,
GMIO_ERROR_ZLIB_ERRNO,
/*! See \c Z_STREAM_ERROR */
GMIO_ERROR_ZLIB_STREAM,
@ -105,14 +108,19 @@ enum gmio_error
* gmio_zlib_compress_options::memory_usage */
GMIO_ERROR_ZLIB_INVALID_COMPRESS_MEMORY_USAGE,
/* ZIP */
/*! Zip64 format requires the compiler to provide a 64b integer type */
GMIO_ERROR_ZIP_INT64_TYPE_REQUIRED = GMIO_ZIP_ERROR_TAG + 0x01,
GMIO_ERROR_ZIP_INT64_TYPE_REQUIRED,
/*! The size of some ZIP file entry exceeds 32b limit and so requires Zip64
* format */
GMIO_ERROR_ZIP64_FORMAT_REQUIRED = GMIO_ZIP_ERROR_TAG + 0x02
GMIO_ERROR_ZIP64_FORMAT_REQUIRED
};
/*! \c GMIO_CORE_ERROR_TAG
* Byte-mask to tag(identify) gmio_core error codes */
enum { GMIO_CORE_ERROR_TAG = 0x00 };
/*! Returns true if <tt>code == GMIO_NO_ERROR</tt> */
GMIO_INLINE bool gmio_no_error(int code)
{ return code == GMIO_ERROR_OK ? true : false; }

4
src/gmio_core/internal/zip_utils.h
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@ -252,9 +252,9 @@ struct gmio_zip_write_result {
size_t written_len;
};
enum { GMIO_ZIP_UTILS_ERROR_TAG = 0xAA000000 };
enum { GMIO_ZIP_UTILS_ERROR_TAG = 0x00100000 };
enum gmio_zip_utils_error {
GMIO_ZIP_UTILS_ERROR_BAD_MAGIC = GMIO_ZIP_UTILS_ERROR_TAG + 0x01
GMIO_ZIP_UTILS_ERROR_BAD_MAGIC = GMIO_ZIP_UTILS_ERROR_TAG + 1
};
/*! Reads ZIP local file header from \p stream */

2
src/gmio_stl/stl_error.h
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@ -39,7 +39,7 @@
/*! \c GMIO_STL_ERROR_TAG
* Byte-mask to tag(identify) STL-specific error codes */
enum { GMIO_STL_ERROR_TAG = 0x11000000 };
enum { GMIO_STL_ERROR_TAG = 0x01000000 };
/*! Specific error codes reported by STL read/write functions */
enum gmio_stl_error