From be0ca741fd12897337408d1d7a7d8f5f18e1fac9 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Wed, 16 Nov 2011 16:06:07 -0600 Subject: Finish rename from prior commit --- libtdenetwork/libgpg-error-copy/gpg-error.h.in | 258 +++++++++++++++++++++++++ 1 file changed, 258 insertions(+) create mode 100644 libtdenetwork/libgpg-error-copy/gpg-error.h.in (limited to 'libtdenetwork/libgpg-error-copy/gpg-error.h.in') diff --git a/libtdenetwork/libgpg-error-copy/gpg-error.h.in b/libtdenetwork/libgpg-error-copy/gpg-error.h.in new file mode 100644 index 000000000..cc1aaea83 --- /dev/null +++ b/libtdenetwork/libgpg-error-copy/gpg-error.h.in @@ -0,0 +1,258 @@ +/* gpg-error.h - Public interface to libgpg-error. + Copyright (C) 2003, 2004 g10 Code GmbH + + This file is part of libgpg-error. + + libgpg-error is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public License + as published by the Free Software Foundation; either version 2.1 of + the License, or (at your option) any later version. + + libgpg-error is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with libgpg-error; if not, write to the Free + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ + +#ifndef GPG_ERROR_H +#define GPG_ERROR_H 1 + +#include + +#ifdef __GNUC__ +#define GPG_ERR_INLINE __inline__ +#elif __STDC_VERSION__ >= 199901L +#define GPG_ERR_INLINE inline +#else +#ifndef GPG_ERR_INLINE +#define GPG_ERR_INLINE +#endif +#endif + + +#ifdef __cplusplus +extern "C" { +#if 0 /* just to make Emacs auto-indent happy */ +} +#endif +#endif /* __cplusplus */ + +/* The GnuPG project consists of many components. Error codes are + exchanged between all components. The common error codes and their + user-presentable descriptions are kept into a shared library to + allow adding new error codes and components without recompiling any + of the other components. The interface will not change in a + backward incompatible way. + + An error code together with an error source build up an error + value. As the error value is been passed from one component to + another, it preserver the information about the source and nature + of the error. + + A component of the GnuPG project can define the following macro to + tune the behaviour of the library: + + GPG_ERR_SOURCE_DEFAULT: Define to an error source of type + gpg_err_source_t to make that source the default for gpg_error(). + Otherwise GPG_ERR_SOURCE_UNKNOWN is used as default. */ + + +/* The error source type gpg_err_source_t. + + Where as the Poo out of a welle small + Taketh his firste springing and his sours. + --Chaucer. */ + +/* Only use free slots, never change or reorder the existing + entries. */ +typedef enum + { +@include err-sources.h.in + + /* This is one more than the largest allowed entry. */ + GPG_ERR_SOURCE_DIM = 256 + } gpg_err_source_t; + + +/* The error code type gpg_err_code_t. */ + +/* Only use free slots, never change or reorder the existing + entries. */ +typedef enum + { +@include err-codes.h.in + + /* The following error codes are used to map system errors. */ +#define GPG_ERR_SYSTEM_ERROR (1 << 15) +@include errnos.in + + /* This is one more than the largest allowed entry. */ + GPG_ERR_CODE_DIM = 65536 + } gpg_err_code_t; + + +/* The error value type gpg_error_t. */ + +/* We would really like to use bit-fields in a struct, but using + structs as return values can cause binary compatibility issues, in + particular if you want to do it effeciently (also see + -freg-struct-return option to GCC). */ +typedef unsigned int gpg_error_t; + +/* We use the lowest 16 bits of gpg_error_t for error codes. The 16th + bit indicates system errors. */ +#define GPG_ERR_CODE_MASK (GPG_ERR_CODE_DIM - 1) + +/* Bits 17 to 24 are reserved. */ + +/* We use the upper 8 bits of gpg_error_t for error sources. */ +#define GPG_ERR_SOURCE_MASK (GPG_ERR_SOURCE_DIM - 1) +#define GPG_ERR_SOURCE_SHIFT 24 + + +/* GCC feature test. */ +#undef _GPG_ERR_HAVE_CONSTRUCTOR +#if __GNUC__ +#define _GPG_ERR_GCC_VERSION (__GNUC__ * 10000 \ + + __GNUC_MINOR__ * 100 \ + + __GNUC_PATCHLEVEL__) + +#if _GPG_ERR_GCC_VERSION > 30100 +#define _GPG_ERR_CONSTRUCTOR __attribute__ ((__constructor__)) +#define _GPG_ERR_HAVE_CONSTRUCTOR +#endif +#endif + +#ifndef _GPG_ERR_CONSTRUCTOR +#define _GPG_ERR_CONSTRUCTOR +#endif + + +/* Initialization function. */ + +/* Initialize the library. This function should be run early. */ +gpg_error_t gpg_err_init (void) _GPG_ERR_CONSTRUCTOR; + +/* If this is defined, the library is already initialized by the + constructor and does not need to be initialized explicitely. */ +#undef GPG_ERR_INITIALIZED +#ifdef _GPG_ERR_HAVE_CONSTRUCTOR +#define GPG_ERR_INITIALIZED 1 +#endif + + +/* Constructor and accessor functions. */ + +/* Construct an error value from an error code and source. Within a + subsystem, use gpg_error. */ +static GPG_ERR_INLINE gpg_error_t +gpg_err_make (gpg_err_source_t source, gpg_err_code_t code) +{ + return code == GPG_ERR_NO_ERROR ? GPG_ERR_NO_ERROR + : (((source & GPG_ERR_SOURCE_MASK) << GPG_ERR_SOURCE_SHIFT) + | (code & GPG_ERR_CODE_MASK)); +} + + +/* The user should define GPG_ERR_SOURCE_DEFAULT before including this + file to specify a default source for gpg_error. */ +#ifndef GPG_ERR_SOURCE_DEFAULT +#define GPG_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_UNKNOWN +#endif + +static GPG_ERR_INLINE gpg_error_t +gpg_error (gpg_err_code_t code) +{ + return gpg_err_make (GPG_ERR_SOURCE_DEFAULT, code); +} + + +/* Retrieve the error code from an error value. */ +static GPG_ERR_INLINE gpg_err_code_t +gpg_err_code (gpg_error_t err) +{ + return (gpg_err_code_t) (err & GPG_ERR_CODE_MASK); +} + + +/* Retrieve the error source from an error value. */ +static GPG_ERR_INLINE gpg_err_source_t +gpg_err_source (gpg_error_t err) +{ + return (gpg_err_source_t) ((err >> GPG_ERR_SOURCE_SHIFT) + & GPG_ERR_SOURCE_MASK); +} + + +/* String functions. */ + +/* Return a pointer to a string containing a description of the error + code in the error value ERR. This function is not thread-safe. */ +const char *gpg_strerror (gpg_error_t err); + +/* Return the error string for ERR in the user-supplied buffer BUF of + size BUFLEN. This function is, in contrast to gpg_strerror, + thread-safe if a thread-safe strerror_r() function is provided by + the system. If the function succeeds, 0 is returned and BUF + contains the string describing the error. If the buffer was not + large enough, ERANGE is returned and BUF contains as much of the + beginning of the error string as fits into the buffer. */ +int gpg_strerror_r (gpg_error_t err, char *buf, size_t buflen); + +/* Return a pointer to a string containing a description of the error + source in the error value ERR. */ +const char *gpg_strsource (gpg_error_t err); + + +/* Mapping of system errors (errno). */ + +/* Retrieve the error code for the system error ERR. This returns + GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped (report + this). */ +gpg_err_code_t gpg_err_code_from_errno (int err); + + +/* Retrieve the system error for the error code CODE. This returns 0 + if CODE is not a system error code. */ +int gpg_err_code_to_errno (gpg_err_code_t code); + + +/* Retrieve the error code directly from the ERRNO variable. This + returns GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped + (report this) and GPG_ERR_MISSING_ERRNO if ERRNO has the value 0. */ +gpg_err_code_t gpg_err_code_from_syserror (void); + + + + +/* Self-documenting convenience functions. */ + +static GPG_ERR_INLINE gpg_error_t +gpg_err_make_from_errno (gpg_err_source_t source, int err) +{ + return gpg_err_make (source, gpg_err_code_from_errno (err)); +} + + +static GPG_ERR_INLINE gpg_error_t +gpg_error_from_errno (int err) +{ + return gpg_error (gpg_err_code_from_errno (err)); +} + +static GPG_ERR_INLINE gpg_error_t +gpg_error_from_syserror (void) +{ + return gpg_error (gpg_err_code_from_syserror ()); +} + +#ifdef __cplusplus +} +#endif + + +#endif /* GPG_ERROR_H */ -- cgit v1.2.1