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Diffstat (limited to 'sntp/libopts/autoopts/options.h')
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diff --git a/sntp/libopts/autoopts/options.h b/sntp/libopts/autoopts/options.h new file mode 100644 index 0000000..0d6f2c3 --- /dev/null +++ b/sntp/libopts/autoopts/options.h @@ -0,0 +1,1253 @@ +/* -*- buffer-read-only: t -*- vi: set ro: + * + * DO NOT EDIT THIS FILE (options.h) + * + * It has been AutoGen-ed August 3, 2014 at 10:44:46 AM by AutoGen 5.18.4pre11 + * From the definitions funcs.def + * and the template file options_h + * + * This file defines all the global structures and special values + * used in the automated option processing library. + * + * Automated Options Copyright (C) 1992-2014 by Bruce Korb + * + * This file is part of AutoOpts, a companion to AutoGen. + * AutoOpts is free software. + * AutoOpts is Copyright (C) 1992-2014 by Bruce Korb - all rights reserved + * + * AutoOpts is available under any one of two licenses. The license + * in use must be one of these two and the choice is under the control + * of the user of the license. + * + * The GNU Lesser General Public License, version 3 or later + * See the files "COPYING.lgplv3" and "COPYING.gplv3" + * + * The Modified Berkeley Software Distribution License + * See the file "COPYING.mbsd" + * + * These files have the following sha256 sums: + * + * 8584710e9b04216a394078dc156b781d0b47e1729104d666658aecef8ee32e95 COPYING.gplv3 + * 4379e7444a0e2ce2b12dd6f5a52a27a4d02d39d247901d3285c88cf0d37f477b COPYING.lgplv3 + * 13aa749a5b0a454917a944ed8fffc530b784f5ead522b1aacaf4ec8aa55a6239 COPYING.mbsd + */ +#ifndef AUTOOPTS_OPTIONS_H_GUARD +#define AUTOOPTS_OPTIONS_H_GUARD 1 +/** \file options.h + * + * @addtogroup autoopts + * @{ + */ +#include <sys/types.h> +#include <stdio.h> + +#ifndef COMPAT_H_GUARD +/* + * This is needed for test compilations where the "compat.h" + * header is not usually available. + */ +# if defined(HAVE_STDINT_H) +# include <stdint.h> +# elif defined(HAVE_INTTYPES_H) +# include <inttypes.h> +# endif /* HAVE_STDINT/INTTYPES_H */ + +# if defined(HAVE_LIMITS_H) +# include <limits.h> +# elif defined(HAVE_SYS_LIMITS_H) +# include <sys/limits.h> +# endif /* HAVE_LIMITS/SYS_LIMITS_H */ + +# if defined(HAVE_SYSEXITS_H) +# include <sysexits.h> +# endif /* HAVE_SYSEXITS_H */ + +# if defined(HAVE_STDBOOL_H) +# include <stdbool.h> +# else + typedef enum { false = 0, true = 1 } _Bool; +# define bool _Bool + + /* The other macros must be usable in preprocessor directives. */ +# define false 0 +# define true 1 +# endif /* HAVE_SYSEXITS_H */ +#endif /* COMPAT_H_GUARD */ +// END-CONFIGURED-HEADERS + +/** + * Defined to abnormal value of EX_USAGE. Used to indicate that paged usage + * was requested. It is used to distinguish a --usage from a --help request. + * --usage is abbreviated and --help gives as much help as possible. + */ +#define AO_EXIT_REQ_USAGE 10064 + +/** + * PUBLIC DEFINES + * + * The following defines may be used in applications that need to test the + * state of an option. To test against these masks and values, a pointer + * to an option descriptor must be obtained. There are two ways: + * + * 1. inside an option processing procedure, it is the second argument, + * conventionally "tOptDesc* pOD". + * + * 2. Outside of an option procedure (or to reference a different option + * descriptor), use either "&DESC( opt_name )" or "&pfx_DESC( opt_name )". + * + * See the relevant generated header file to determine which and what + * values for "opt_name" are available. + * @group version + * @{ + */ +/// autoopts structure version +#define OPTIONS_STRUCT_VERSION 167936 +/// autoopts structure version string +#define OPTIONS_VERSION_STRING "41:0:16" +/// minimum version the autoopts library supports +#define OPTIONS_MINIMUM_VERSION 102400 +/// minimum version the autoopts library supports as a string +#define OPTIONS_MIN_VER_STRING "25:0:0" +/// the display version of the autoopts library, as a string +#define OPTIONS_DOTTED_VERSION "41.0" +/// convert a version/release number pair to an integer value +#define OPTIONS_VER_TO_NUM(_v, _r) (((_v) * 4096) + (_r)) +/// @} + +/** + * Option argument types. This must fit in the OPTST_ARG_TYPE_MASK + * field of the fOptState field of an option descriptor (tOptDesc). + * It will be a problem to extend beyond 4 bits. + */ +typedef enum { + OPARG_TYPE_NONE = 0, ///< does not take an argument + OPARG_TYPE_STRING = 1, ///< default type/ vanilla string + OPARG_TYPE_ENUMERATION = 2, ///< opt arg is an enum (keyword list) + OPARG_TYPE_BOOLEAN = 3, ///< opt arg is boolean-valued + OPARG_TYPE_MEMBERSHIP = 4, ///< opt arg sets set membership bits + OPARG_TYPE_NUMERIC = 5, ///< opt arg is a long int + OPARG_TYPE_HIERARCHY = 6, ///< option arg is hierarchical value + OPARG_TYPE_FILE = 7, ///< option arg names a file + OPARG_TYPE_TIME = 8, ///< opt arg is a time duration + OPARG_TYPE_FLOAT = 9, ///< opt arg is a floating point num + OPARG_TYPE_DOUBLE = 10, ///< opt arg is a double prec. float + OPARG_TYPE_LONG_DOUBLE = 11, ///< opt arg is a long double prec. + OPARG_TYPE_LONG_LONG = 12 ///< opt arg is a long long int +} teOptArgType; + +/** + * value descriptor for sub options + */ +typedef struct optionValue { + teOptArgType valType; ///< which argument type + char * pzName; ///< name of the sub-option + union { + char strVal[1]; ///< OPARG_TYPE_STRING + unsigned int enumVal; ///< OPARG_TYPE_ENUMERATION + unsigned int boolVal; ///< OPARG_TYPE_BOOLEAN + unsigned long setVal; ///< OPARG_TYPE_MEMBERSHIP + long longVal; ///< OPARG_TYPE_NUMERIC + void* nestVal; ///< OPARG_TYPE_HIERARCHY + } v; +} tOptionValue; + +/** + * file argument state and handling. + */ +typedef enum { + FTYPE_MODE_MAY_EXIST = 0x00, ///< may or may not exist + FTYPE_MODE_MUST_EXIST = 0x01, ///< must pre-exist + FTYPE_MODE_MUST_NOT_EXIST = 0x02, ///< must *not* pre-exist + FTYPE_MODE_EXIST_MASK = 0x03, ///< mask for these bits + FTYPE_MODE_NO_OPEN = 0x00, ///< leave file closed + FTYPE_MODE_OPEN_FD = 0x10, ///< call open(2) + FTYPE_MODE_FOPEN_FP = 0x20, ///< call fopen(3) + FTYPE_MODE_OPEN_MASK = 0x30 ///< open/fopen/not open +} teOptFileType; + +/** + * the open flag bits or the mode string, depending on the open type. + */ +typedef union { + int file_flags; ///< open(2) flag bits + char const * file_mode; ///< fopen(3) mode string +} tuFileMode; + +/// initial number of option argument holders to allocate +#define MIN_ARG_ALLOC_CT 6 +/// amount by which to increment the argument holder allocation. +#define INCR_ARG_ALLOC_CT 8 +/** + * an argument list. When an option appears multiple times and + * the values get "stacked". \a apzArgs holds 8 pointers initially + * and is incremented by \a INCR_ARG_ALLOC_CT as needed. + */ +typedef struct { + int useCt; ///< elements in use + + /// allocated elements, mininum \a MIN_ARG_ALLOC_CT + /// steps by \a INCR_ARG_ALLOC_CT + int allocCt; + char const * apzArgs[MIN_ARG_ALLOC_CT]; ///< element array +} tArgList; + +/** + * Bits in the fOptState option descriptor field. + * @{ + */ + +/** integral type for holding opt_state masks */ +typedef uint32_t opt_state_mask_t; + +#define OPTST_ARG_TYPE_SHIFT 12 +/** bits defined for opt_state_mask_t */ +/** Set via the "SET_OPT()" macro */ +#define OPTST_SET 0x0000001U +/** Set via an RC/INI file */ +#define OPTST_PRESET 0x0000002U +/** Set via a command line option */ +#define OPTST_DEFINED 0x0000004U +/** Reset via command line option */ +#define OPTST_RESET 0x0000008U +/** selected by equiv'ed option */ +#define OPTST_EQUIVALENCE 0x0000010U +/** option is in disabled state */ +#define OPTST_DISABLED 0x0000020U +/** pzOptArg was allocated */ +#define OPTST_ALLOC_ARG 0x0000040U +/** option cannot be preset */ +#define OPTST_NO_INIT 0x0000100U +/** opt value (flag) is any digit */ +#define OPTST_NUMBER_OPT 0x0000200U +/** opt uses optionStackArg proc */ +#define OPTST_STACKED 0x0000400U +/** option defaults to enabled */ +#define OPTST_INITENABLED 0x0000800U +/** bit 1 of arg type enum */ +#define OPTST_ARG_TYPE_1 0x0001000U +/** bit 2 of arg type enum */ +#define OPTST_ARG_TYPE_2 0x0002000U +/** bit 3 of arg type enum */ +#define OPTST_ARG_TYPE_3 0x0004000U +/** bit 4 of arg type enum */ +#define OPTST_ARG_TYPE_4 0x0008000U +/** the option arg not required */ +#define OPTST_ARG_OPTIONAL 0x0010000U +/** process opt on first pass */ +#define OPTST_IMM 0x0020000U +/** process disablement immed. */ +#define OPTST_DISABLE_IMM 0x0040000U +/** compiled out of program */ +#define OPTST_OMITTED 0x0080000U +/** must be set or pre-set */ +#define OPTST_MUST_SET 0x0100000U +/** opt is for doc only */ +#define OPTST_DOCUMENT 0x0200000U +/** process opt twice - imm + reg */ +#define OPTST_TWICE 0x0400000U +/** process disabled option twice */ +#define OPTST_DISABLE_TWICE 0x0800000U +/** scaled integer value */ +#define OPTST_SCALED_NUM 0x1000000U +/** disable from cmd line */ +#define OPTST_NO_COMMAND 0x2000000U +/** support is being removed */ +#define OPTST_DEPRECATED 0x4000000U +/** alias for other option */ +#define OPTST_ALIAS 0x8000000U + +/** bits in SET mask: + * set preset reset defined */ +#define OPTST_SET_MASK 0x000000FU + +/** bits in MUTABLE mask: + * set preset reset defined equivalence disabled + * alloc_arg */ +#define OPTST_MUTABLE_MASK 0x000007FU + +/** bits omitted from PERSISTENT mask: + * mutable_mask */ +#define OPTST_PERSISTENT_MASK 0xFFFFF00U + +/** bits in SELECTED mask: + * set defined */ +#define OPTST_SELECTED_MASK 0x0000005U + +/** bits in ARG_TYPE mask: + * arg_type_1 arg_type_2 arg_type_3 arg_type_4 */ +#define OPTST_ARG_TYPE_MASK 0x000F000U + +/** bits in NO_USAGE mask: + * omitted no_command deprecated */ +#define OPTST_NO_USAGE_MASK 0x6080000U + +/** bits in IMMUTABLE mask: + * document omitted */ +#define OPTST_IMMUTABLE_MASK 0x0280000U + +/** bits in DO_NOT_SAVE mask: + * document omitted no_init */ +#define OPTST_DO_NOT_SAVE_MASK 0x0280100U + +/** bits in NO_OUTPUT mask: + * document omitted alias */ +#define OPTST_NO_OUTPUT_MASK 0x8280000U + +/** all bits in opt_state_mask_t masks */ +#define OPTST_MASK_ALL 0xFFFFF7FU + +/** no bits in opt_state_mask_t */ +#define OPTST_INIT 0x0000000U +/** @} */ + +#ifdef NO_OPTIONAL_OPT_ARGS +# undef OPTST_ARG_OPTIONAL +# define OPTST_ARG_OPTIONAL 0 +#endif + +#define VENDOR_OPTION_VALUE 'W' + +#define SELECTED_OPT(_od) ((_od)->fOptState & OPTST_SELECTED_MASK) +#define UNUSED_OPT( _od) (((_od)->fOptState & OPTST_SET_MASK) == 0) +#define DISABLED_OPT(_od) ((_od)->fOptState & OPTST_DISABLED) +#define OPTION_STATE(_od) ((_od)->fOptState) +#define OPTST_SET_ARGTYPE(_n) ((_n) << OPTST_ARG_TYPE_SHIFT) +#define OPTST_GET_ARGTYPE(_f) \ + (((_f)&OPTST_ARG_TYPE_MASK) >> OPTST_ARG_TYPE_SHIFT) + +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * + * PRIVATE INTERFACES + * + * The following values are used in the generated code to communicate + * with the option library procedures. They are not for public use + * and may be subject to change. + */ + +/** + * Define the processing state flags + * @{ + */ + +/** integral type for holding proc_state masks */ +typedef uint32_t proc_state_mask_t; + +/** bits defined for proc_state_mask_t */ +/** Process long style options */ +#define OPTPROC_LONGOPT 0x000001U +/** Process short style "flags" */ +#define OPTPROC_SHORTOPT 0x000002U +/** Stop on argument errors */ +#define OPTPROC_ERRSTOP 0x000004U +/** Current option is disabled */ +#define OPTPROC_DISABLEDOPT 0x000008U +/** no options are required */ +#define OPTPROC_NO_REQ_OPT 0x000010U +/** there is a number option */ +#define OPTPROC_NUM_OPT 0x000020U +/** have inits been done? */ +#define OPTPROC_INITDONE 0x000040U +/** any negation options? */ +#define OPTPROC_NEGATIONS 0x000080U +/** check environment? */ +#define OPTPROC_ENVIRON 0x000100U +/** Disallow remaining arguments */ +#define OPTPROC_NO_ARGS 0x000200U +/** Require args after options */ +#define OPTPROC_ARGS_REQ 0x000400U +/** reorder operands after opts */ +#define OPTPROC_REORDER 0x000800U +/** emit usage in GNU style */ +#define OPTPROC_GNUUSAGE 0x001000U +/** Translate strings in tOptions */ +#define OPTPROC_TRANSLATE 0x002000U +/** no usage on usage error */ +#define OPTPROC_MISUSE 0x004000U +/** immediate options active */ +#define OPTPROC_IMMEDIATE 0x008000U +/** suppress for config only */ +#define OPTPROC_NXLAT_OPT_CFG 0x010000U +/** suppress xlation always */ +#define OPTPROC_NXLAT_OPT 0x020000U +/** vendor options active */ +#define OPTPROC_VENDOR_OPT 0x040000U +/** opt processing in preset state */ +#define OPTPROC_PRESETTING 0x080000U +/** Ignore pzFullUsage, compute usage text */ +#define OPTPROC_COMPUTE 0x100000U +/** Program outputs digested option state for shell scripts. Usage text + * always written to stderr */ +#define OPTPROC_SHELL_OUTPUT 0x200000U + +/** bits in NO_XLAT mask: + * nxlat_opt_cfg nxlat_opt */ +#define OPTPROC_NO_XLAT_MASK 0x030000U + +/** all bits in proc_state_mask_t masks */ +#define OPTPROC_MASK_ALL 0x3FFFFFU + +/** no bits in proc_state_mask_t */ +#define OPTPROC_NONE 0x000000U +/** @} */ + +#define STMTS(s) do { s; } while (false) + +/** + * Abbreviation for const memory character. + */ +#define tCC char const + +/** + * Magical values for the program's option pointer + * @{ + */ +typedef enum { + OP_VAL_EMIT_USAGE = 1, ///< request for usage + OP_VAL_EMIT_SHELL = 2, ///< emit value for Bourne shell evaluation + OP_VAL_RETURN_VALNAME = 3, ///< return the value as a string + OP_VAL_EMIT_LIMIT = 15 ///< limit for magic values +} opt_proc_vals_t; + +/// \a OPT_VAL_EMIT_USAGE cast as a pointer +#define OPTPROC_EMIT_USAGE ((tOptions *)OP_VAL_EMIT_USAGE) + +/// \a OPT_VAL_EMIT_SHELL cast as a pointer +#define OPTPROC_EMIT_SHELL ((tOptions *)OP_VAL_EMIT_SHELL) + +/// \a OPT_VAL_RETURN_VALNAME cast as a pointer +#define OPTPROC_RETURN_VALNAME ((tOptions *)OP_VAL_RETURN_VALNAME) + +/// \a OPT_VAL_EMIT_LIMIT cast as a pointer +#define OPTPROC_EMIT_LIMIT ((tOptions *)OP_VAL_EMIT_LIMIT) +/** @} */ + +/** group option processing procedure types + * @{ + */ +/** forward declaration for tOptDesc */ +typedef struct opt_desc tOptDesc; +/** forward declaration for tOptiond */ +typedef struct options tOptions; + +/** + * The option procedures do the special processing for each + * option flag that needs it. + */ +typedef void (tOptProc)(tOptions * pOpts, tOptDesc * pOptDesc); + +/** + * a pointer to an option processing procedure + */ +typedef tOptProc * tpOptProc; + +/** + * The usage procedure will never return. It calls "exit(2)" + * with the "exitCode" argument passed to it. + */ +// coverity[+kill] +typedef void (tUsageProc)(tOptions* pOpts, int exitCode); + +/** + * a pointer to a procedure that prints usage and exits. + */ +typedef tUsageProc * tpUsageProc; +/** @} */ + +/** + * Special definitions. "NOLIMIT" is the 'max' value to use when + * a flag may appear multiple times without limit. "NO_EQUIVALENT" + * is an illegal value for 'optIndex' (option description index). + * @{ + */ +#define NOLIMIT USHRT_MAX ///< no occurrance count limit +#define OPTION_LIMIT SHRT_MAX ///< maximum number of option types +/// option index to indicate no equivalance or alias +#define NO_EQUIVALENT (OPTION_LIMIT+1) +/** @} */ + +/** + * Option argument value. Which is valid is determined by: + * (fOptState & OPTST_ARG_TYPE_MASK) >> OPTST_ARG_TYPE_SHIFT + * which will yield one of the teOptArgType values. + */ +typedef union { + char const * argString; ///< as a string + uintptr_t argEnum; ///< as an enumeration value + uintptr_t argIntptr; ///< as an integer big enough to hold pointer + long argInt; ///< as a long integer + unsigned long argUint; ///< as an unsigned long ingeger + unsigned int argBool; ///< as a boolean value + FILE * argFp; ///< as a FILE * pointer + int argFd; ///< as a file descriptor (int) +} opt_arg_union_t; + +/// Compatibility define: \a pzLastArg is now \a optArg.argString +#define pzLastArg optArg.argString +/// The old amorphous argument bucket is now the opt_arg_union_t union. +#define optArgBucket_t opt_arg_union_t + +/** + * Enumeration of AutoOpts defined options. The enumeration is used in + * marking each option that is defined by AutoOpts so libopts can find + * the correct descriptor. This renders \a option_spec_idx_t redundant. + */ +typedef enum { + AOUSE_USER_DEFINED = 0, ///< user specified option + AOUSE_RESET_OPTION, ///< reset option state option + AOUSE_VERSION, ///< request version + AOUSE_HELP, ///< request usage help + AOUSE_MORE_HELP, ///< request paged usage + AOUSE_USAGE, ///< request short usage + AOUSE_SAVE_OPTS, ///< save option state + AOUSE_LOAD_OPTS, ///< load options from file + AOUSE_VENDOR_OPT ///< specify a vendor option +} opt_usage_t; + +/** + * Descriptor structure for each option. + * Only the fields marked "PUBLIC" are for public use. + */ +struct opt_desc { + /// Public, the index of this descriptor + uint16_t const optIndex; + /// Public, the flag character (value) + uint16_t const optValue; + /// Public, the index of the option used to activate option + uint16_t optActualIndex; + /// Public, the flag character of the activating option + uint16_t optActualValue; + + /// Public, the index of the equivalenced-to option. + /// This is NO_EQUIVALENT unless activated. + uint16_t const optEquivIndex; + /// Private, the minimum occurrance count + uint16_t const optMinCt; + /// Private, the maximum occurrance count (NOLIMIT, if unlimited) + uint16_t const optMaxCt; + /// Public, the actual occurrance count + uint16_t optOccCt; + + /// Public, the option processing state + opt_state_mask_t fOptState; + /// Private, how the option is used (opt_usage_t) + uint32_t optUsage; + /// Public, The current option argument value + opt_arg_union_t optArg; + /// Public, data that is actually private to the code that handles + /// this particular option. It is public IFF you have your own + /// handling function. + void * optCookie; + + /// Private, a list of options that must be specified when this option + /// has been specified + int const * const pOptMust; + + /// Private, a list of options that cannot be specified when this option + /// has been specified + int const * const pOptCant; + + /// Private, the function to call for handling this option + tpOptProc const pOptProc; + + /// Private, usage information about this option + char const * const pzText; + + /// Public, the UPPER CASE, shell variable name syntax name of the option + char const * const pz_NAME; + + /// the unmodified name of the option + char const * const pz_Name; + + /// the option name to use to disable the option. Long options names + /// must be active. + char const * const pz_DisableName; + + /// the special prefix that makes the normal option name become the + /// disablement name. + char const * const pz_DisablePfx; +}; + +/** + * Some options need special processing, so we store their + * indexes in a known place. + */ +typedef struct { + uint16_t const more_help; ///< passes help text through pager + uint16_t const save_opts; ///< stores option state to a file + uint16_t const number_option; ///< the option "name" is an integer + /// all arguments are options, this is the default option that must + /// take an argument. That argument is the unrecognized option. + uint16_t const default_opt; +} option_spec_idx_t; + +/** + * The procedure generated for translating option text + */ +typedef void (tOptionXlateProc)(void); + +/** + * Everything marked "PUBLIC" is also marked "const". Public access is not + * a license to modify. Other fields are used and modified by the library. + * They are also subject to change without any notice. + * Do not even look at these outside of libopts. + */ +struct options { + int const structVersion; ///< The version of this struct + unsigned int origArgCt; ///< program argument count + char ** origArgVect; ///< program argument vector + proc_state_mask_t fOptSet; ///< option proc. state flags + unsigned int curOptIdx; ///< current option index + char * pzCurOpt; ///< current option text + + /// Public, the full path of the program + char const * const pzProgPath; + /// Public, the name of the executable, without any path + char const * const pzProgName; + /// Public, the upper-cased, shell variable syntax-ed program name + char const * const pzPROGNAME; + /// the name of the "rc file" (configuration file) + char const * const pzRcName; + /// the copyright text + char const * const pzCopyright; + /// the full copyright notice + char const * const pzCopyNotice; + /// a string with the program name, project name and version + char const * const pzFullVersion; + /// a list of pointers to directories to search for the config file + char const * const * const papzHomeList; + /// the title line for usage + char const * const pzUsageTitle; + /// some added explanation for what this program is trying to do + char const * const pzExplain; + /// a detailed explanation of the program's purpose, for use when + /// full help has been requested + char const * const pzDetail; + /// The public array of option descriptors + tOptDesc * const pOptDesc; + /// the email address for reporting bugs + char const * const pzBugAddr; + + /// Reserved for future use + void * pExtensions; + /// A copy of the option state when optionSaveState was called. + void * pSavedState; + + /// The procedure to call to print usage text + // coverity[+kill] + tpUsageProc pUsageProc; + /// The procedure to call to translate translatable option messages + tOptionXlateProc * pTransProc; + + /// Special option indexes. + option_spec_idx_t specOptIdx; + /// the total number of options for the program + int const optCt; + /// The number of "presettable" options, though some may be marked + /// "no-preset". Includes all user specified options, plus a few + /// that are specified by AutoOpts. + int const presetOptCt; + /// user specified full usage text + char const * pzFullUsage; + /// user specifed short usage (usage error triggered) message + char const * pzShortUsage; + /// The option argument settings active when optionSaveState was called + opt_arg_union_t const * const originalOptArgArray; + /// any saved cookie value + void * const * const originalOptArgCookie; + /// the package data directory (e.g. global configuration files) + char const * const pzPkgDataDir; + /// email address of the project packager + char const * const pzPackager; +}; + +/* + * Versions where in various fields first appear: + * ($AO_CURRENT * 4096 + $AO_REVISION, but $AO_REVISION must be zero) + */ +/** + * The version that first stored the original argument vector + */ +#define originalOptArgArray_STRUCT_VERSION 0x20000 /* AO_CURRENT = 32 */ +#define HAS_originalOptArgArray(_opt) \ + ((_opt)->structVersion >= originalOptArgArray_STRUCT_VERSION) + +/** + * The version that first stored the package data directory + */ +#define pzPkgDataDir_STRUCT_VERSION 0x22000 /* AO_CURRENT = 34 */ +#define HAS_pzPkgDataDir(_opt) \ + ((_opt)->structVersion >= pzPkgDataDir_STRUCT_VERSION) + +/** + * The version that first stored the option usage in each option descriptor + */ +#define opt_usage_t_STRUCT_VERSION 0x26000 /* AO_CURRENT = 38 */ +#define HAS_opt_usage_t(_opt) \ + ((_opt)->structVersion >= opt_usage_t_STRUCT_VERSION) + +/** + * "token list" structure returned by "string_tokenize()" + */ +typedef struct { + unsigned long tkn_ct; ///< number of tokens found + unsigned char* tkn_list[1]; ///< array of pointers to tokens +} token_list_t; + +/* + * Hide the interface - it pollutes a POSIX claim, but leave it for + * anyone #include-ing this header + */ +#define strneqvcmp option_strneqvcmp +#define streqvcmp option_streqvcmp +#define streqvmap option_streqvmap +#define strequate option_strequate +#define strtransform option_strtransform + +/** + * Everything needed to be known about an mmap-ed file. + * + * This is an output only structure used by text_mmap and text_munmap. + * Clients must not alter the contents and must provide it to both + * the text_mmap and text_munmap procedures. BE ADVISED: if you are + * mapping the file with PROT_WRITE the NUL byte at the end MIGHT NOT + * BE WRITABLE. In any event, that byte is not be written back + * to the source file. ALSO: if "txt_data" is valid and "txt_errno" + * is not zero, then there *may* not be a terminating NUL. + */ +typedef struct { + void * txt_data; ///< text file data + size_t txt_size; ///< actual file size + size_t txt_full_size; ///< mmaped mem size + int txt_fd; ///< file descriptor + int txt_zero_fd; ///< fd for /dev/zero + int txt_errno; ///< warning code + int txt_prot; ///< "prot" flags + int txt_flags; ///< mapping type +} tmap_info_t; + +/** + * mmap result wrapper that yields "true" when mmap has failed. + */ +#define TEXT_MMAP_FAILED_ADDR(a) ((void*)(a) == (void*)MAP_FAILED) + +#ifdef __cplusplus +#define CPLUSPLUS_OPENER extern "C" { +CPLUSPLUS_OPENER +#define CPLUSPLUS_CLOSER } +#else +#define CPLUSPLUS_CLOSER +#endif + +/** + * The following routines may be coded into AutoOpts client code: + */ + +/** + * ao_string_tokenize - tokenize an input string + * + * This function will convert one input string into a list of strings. + * The list of strings is derived by separating the input based on + * white space separation. However, if the input contains either single + * or double quote characters, then the text after that character up to + * a matching quote will become the string in the list. + * + * The returned pointer should be deallocated with @code{free(3C)} when + * are done using the data. The data are placed in a single block of + * allocated memory. Do not deallocate individual token/strings. + * + * The structure pointed to will contain at least these two fields: + * @table @samp + * @item tkn_ct + * The number of tokens found in the input string. + * @item tok_list + * An array of @code{tkn_ct + 1} pointers to substring tokens, with + * the last pointer set to NULL. + * @end table + * + * There are two types of quoted strings: single quoted (@code{'}) and + * double quoted (@code{"}). Singly quoted strings are fairly raw in that + * escape characters (@code{\\}) are simply another character, except when + * preceding the following characters: + * @example + * @code{\\} double backslashes reduce to one + * @code{'} incorporates the single quote into the string + * @code{\n} suppresses both the backslash and newline character + * @end example + * + * Double quote strings are formed according to the rules of string + * constants in ANSI-C programs. + * + * @param string string to be tokenized + * + * @return token_list_t* - pointer to a structure that lists each token + */ +extern token_list_t* ao_string_tokenize(char const*); + + +/** + * configFileLoad - parse a configuration file + * + * This routine will load a named configuration file and parse the + * text as a hierarchically valued option. The option descriptor + * created from an option definition file is not used via this interface. + * The returned value is "named" with the input file name and is of + * type "@code{OPARG_TYPE_HIERARCHY}". It may be used in calls to + * @code{optionGetValue()}, @code{optionNextValue()} and + * @code{optionUnloadNested()}. + * + * @param fname the file to load + * + * @return const tOptionValue* - An allocated, compound value structure + */ +extern const tOptionValue* configFileLoad(char const*); + + +/** + * optionFileLoad - Load the locatable config files, in order + * + * This function looks in all the specified directories for a configuration + * file ("rc" file or "ini" file) and processes any found twice. The first + * time through, they are processed in reverse order (last file first). At + * that time, only "immediate action" configurables are processed. For + * example, if the last named file specifies not processing any more + * configuration files, then no more configuration files will be processed. + * Such an option in the @strong{first} named directory will have no effect. + * + * Once the immediate action configurables have been handled, then the + * directories are handled in normal, forward order. In that way, later + * config files can override the settings of earlier config files. + * + * See the AutoOpts documentation for a thorough discussion of the + * config file format. + * + * Configuration files not found or not decipherable are simply ignored. + * + * @param opts program options descriptor + * @param prog program name + * + * @return int - 0 -> SUCCESS, -1 -> FAILURE + */ +extern int optionFileLoad(tOptions*, char const*); + + +/** + * optionFindNextValue - find a hierarcicaly valued option instance + * + * This routine will find the next entry in a nested value option or + * configurable. It will search through the list and return the next entry + * that matches the criteria. + * + * @param odesc an option with a nested arg type + * @param pPrevVal the last entry + * @param name name of value to find + * @param value the matching value + * + * @return const tOptionValue* - a compound value structure + */ +extern const tOptionValue* optionFindNextValue(const tOptDesc*, const tOptionValue*, char const*, char const*); + + +/** + * optionFindValue - find a hierarcicaly valued option instance + * + * This routine will find an entry in a nested value option or configurable. + * It will search through the list and return a matching entry. + * + * @param odesc an option with a nested arg type + * @param name name of value to find + * @param val the matching value + * + * @return const tOptionValue* - a compound value structure + */ +extern const tOptionValue* optionFindValue(const tOptDesc*, char const*, char const*); + + +/** + * optionFree - free allocated option processing memory + * + * AutoOpts sometimes allocates memory and puts pointers to it in the + * option state structures. This routine deallocates all such memory. + * + * @param pOpts program options descriptor + */ +extern void optionFree(tOptions*); + + +/** + * optionGetValue - get a specific value from a hierarcical list + * + * This routine will find an entry in a nested value option or configurable. + * If "valueName" is NULL, then the first entry is returned. Otherwise, + * the first entry with a name that exactly matches the argument will be + * returned. If there is no matching value, NULL is returned and errno is + * set to ENOENT. If the provided option value is not a hierarchical value, + * NULL is also returned and errno is set to EINVAL. + * + * @param pOptValue a hierarchcal value + * @param valueName name of value to get + * + * @return const tOptionValue* - a compound value structure + */ +extern const tOptionValue* optionGetValue(const tOptionValue*, char const*); + + +/** + * optionLoadLine - process a string for an option name and value + * + * This is a client program callable routine for setting options from, for + * example, the contents of a file that they read in. Only one option may + * appear in the text. It will be treated as a normal (non-preset) option. + * + * When passed a pointer to the option struct and a string, it will find + * the option named by the first token on the string and set the option + * argument to the remainder of the string. The caller must NUL terminate + * the string. The caller need not skip over any introductory hyphens. + * Any embedded new lines will be included in the option + * argument. If the input looks like one or more quoted strings, then the + * input will be "cooked". The "cooking" is identical to the string + * formation used in AutoGen definition files (@pxref{basic expression}), + * except that you may not use backquotes. + * + * @param opts program options descriptor + * @param line NUL-terminated text + */ +extern void optionLoadLine(tOptions*, char const*); + + +/** + * optionMemberList - Get the list of members of a bit mask set + * + * This converts the OPT_VALUE_name mask value to a allocated string. + * It is the caller's responsibility to free the string. + * + * @param od the set membership option description + * + * @return char* - the names of the set bits + */ +extern char* optionMemberList(tOptDesc *); + + +/** + * optionNextValue - get the next value from a hierarchical list + * + * This routine will return the next entry after the entry passed in. At the + * end of the list, NULL will be returned. If the entry is not found on the + * list, NULL will be returned and "@var{errno}" will be set to EINVAL. + * The "@var{pOldValue}" must have been gotten from a prior call to this + * routine or to "@code{opitonGetValue()}". + * + * @param pOptValue a hierarchcal list value + * @param pOldValue a value from this list + * + * @return const tOptionValue* - a compound value structure + */ +extern const tOptionValue* optionNextValue(const tOptionValue*, const tOptionValue*); + + +/** + * optionOnlyUsage - Print usage text for just the options + * + * This routine will print only the usage for each option. + * This function may be used when the emitted usage must incorporate + * information not available to AutoOpts. + * + * @param pOpts program options descriptor + * @param ex_code exit code for calling exit(3) + */ +extern void optionOnlyUsage(tOptions*, int); + + +/** + * optionPrintVersion - Print the program version + * + * This routine will print the version to stdout. + * + * @param opts program options descriptor + * @param od the descriptor for this arg + */ +extern void optionPrintVersion(tOptions*, tOptDesc*); + + +/** + * optionPrintVersionAndReturn - Print the program version + * + * This routine will print the version to stdout and return + * instead of exiting. Please see the source for the + * @code{print_ver} funtion for details on selecting how + * verbose to be after this function returns. + * + * @param opts program options descriptor + * @param od the descriptor for this arg + */ +extern void optionPrintVersionAndReturn(tOptions*, tOptDesc*); + + +/** + * optionProcess - this is the main option processing routine + * + * This is the main entry point for processing options. It is intended + * that this procedure be called once at the beginning of the execution of + * a program. Depending on options selected earlier, it is sometimes + * necessary to stop and restart option processing, or to select completely + * different sets of options. This can be done easily, but you generally + * do not want to do this. + * + * The number of arguments processed always includes the program name. + * If one of the arguments is "--", then it is counted and the processing + * stops. If an error was encountered and errors are to be tolerated, then + * the returned value is the index of the argument causing the error. + * A hyphen by itself ("-") will also cause processing to stop and will + * @emph{not} be counted among the processed arguments. A hyphen by itself + * is treated as an operand. Encountering an operand stops option + * processing. + * + * @param opts program options descriptor + * @param a_ct program arg count + * @param a_v program arg vector + * + * @return int - the count of the arguments processed + */ +extern int optionProcess(tOptions*, int, char**); + + +/** + * optionRestore - restore option state from memory copy + * + * Copy back the option state from saved memory. + * The allocated memory is left intact, so this routine can be + * called repeatedly without having to call optionSaveState again. + * If you are restoring a state that was saved before the first call + * to optionProcess(3AO), then you may change the contents of the + * argc/argv parameters to optionProcess. + * + * @param pOpts program options descriptor + */ +extern void optionRestore(tOptions*); + + +/** + * optionSaveFile - saves the option state to a file + * + * This routine will save the state of option processing to a file. The name + * of that file can be specified with the argument to the @code{--save-opts} + * option, or by appending the @code{rcfile} attribute to the last + * @code{homerc} attribute. If no @code{rcfile} attribute was specified, it + * will default to @code{.@i{programname}rc}. If you wish to specify another + * file, you should invoke the @code{SET_OPT_SAVE_OPTS(@i{filename})} macro. + * + * The recommend usage is as follows: + * @example + * optionProcess(&progOptions, argc, argv); + * if (i_want_a_non_standard_place_for_this) + * SET_OPT_SAVE_OPTS("myfilename"); + * optionSaveFile(&progOptions); + * @end example + * + * @param opts program options descriptor + */ +extern void optionSaveFile(tOptions*); + + +/** + * optionSaveState - saves the option state to memory + * + * This routine will allocate enough memory to save the current option + * processing state. If this routine has been called before, that memory + * will be reused. You may only save one copy of the option state. This + * routine may be called before optionProcess(3AO). If you do call it + * before the first call to optionProcess, then you may also change the + * contents of argc/argv after you call optionRestore(3AO) + * + * In fact, more strongly put: it is safest to only use this function + * before having processed any options. In particular, the saving and + * restoring of stacked string arguments and hierarchical values is + * disabled. The values are not saved. + * + * @param pOpts program options descriptor + */ +extern void optionSaveState(tOptions*); + + +/** + * optionUnloadNested - Deallocate the memory for a nested value + * + * A nested value needs to be deallocated. The pointer passed in should + * have been gotten from a call to @code{configFileLoad()} (See + * @pxref{libopts-configFileLoad}). + * + * @param pOptVal the hierarchical value + */ +extern void optionUnloadNested(tOptionValue const *); + + +/** + * optionVersion - return the compiled AutoOpts version number + * + * Returns the full version string compiled into the library. + * The returned string cannot be modified. + * + * @return char const* - the version string in constant memory + */ +extern char const* optionVersion(void); + + +/** + * strequate - map a list of characters to the same value + * + * Each character in the input string get mapped to the first character + * in the string. + * This function name is mapped to option_strequate so as to not conflict + * with the POSIX name space. + * + * @param ch_list characters to equivalence + */ +extern void strequate(char const*); + + +/** + * streqvcmp - compare two strings with an equivalence mapping + * + * Using a character mapping, two strings are compared for "equivalence". + * Each input character is mapped to a comparison character and the + * mapped-to characters are compared for the two NUL terminated input strings. + * This function name is mapped to option_streqvcmp so as to not conflict + * with the POSIX name space. + * + * @param str1 first string + * @param str2 second string + * + * @return int - the difference between two differing characters + */ +extern int streqvcmp(char const*, char const*); + + +/** + * streqvmap - Set the character mappings for the streqv functions + * + * Set the character mapping. If the count (@code{ct}) is set to zero, then + * the map is cleared by setting all entries in the map to their index + * value. Otherwise, the "@code{From}" character is mapped to the "@code{To}" + * character. If @code{ct} is greater than 1, then @code{From} and @code{To} + * are incremented and the process repeated until @code{ct} entries have been + * set. For example, + * @example + * streqvmap('a', 'A', 26); + * @end example + * @noindent + * will alter the mapping so that all English lower case letters + * will map to upper case. + * + * This function name is mapped to option_streqvmap so as to not conflict + * with the POSIX name space. + * + * @param from Input character + * @param to Mapped-to character + * @param ct compare length + */ +extern void streqvmap(char, char, int); + + +/** + * strneqvcmp - compare two strings with an equivalence mapping + * + * Using a character mapping, two strings are compared for "equivalence". + * Each input character is mapped to a comparison character and the + * mapped-to characters are compared for the two NUL terminated input strings. + * The comparison is limited to @code{ct} bytes. + * This function name is mapped to option_strneqvcmp so as to not conflict + * with the POSIX name space. + * + * @param str1 first string + * @param str2 second string + * @param ct compare length + * + * @return int - the difference between two differing characters + */ +extern int strneqvcmp(char const*, char const*, int); + + +/** + * strtransform - convert a string into its mapped-to value + * + * Each character in the input string is mapped and the mapped-to + * character is put into the output. + * This function name is mapped to option_strtransform so as to not conflict + * with the POSIX name space. + * + * The source and destination may be the same. + * + * @param dest output string + * @param src input string + */ +extern void strtransform(char*, char const*); + +/* AutoOpts PRIVATE FUNCTIONS: */ +tOptProc optionStackArg, optionUnstackArg, optionBooleanVal, optionNumericVal; + +extern char* ao_string_cook(char*, int*); + +extern unsigned int ao_string_cook_escape_char(char const*, char*, unsigned int); + +extern void genshelloptUsage(tOptions*, int); + +extern int optionAlias(tOptions *, tOptDesc *, unsigned int); + +extern void optionBooleanVal(tOptions*, tOptDesc*); + +extern uintptr_t optionEnumerationVal(tOptions*, tOptDesc*, char const * const *, unsigned int); + +extern void optionFileCheck(tOptions*, tOptDesc*, teOptFileType, tuFileMode); + +extern char const * optionKeywordName(tOptDesc*, unsigned int); + +extern void optionLoadOpt(tOptions*, tOptDesc*); + +extern bool optionMakePath(char*, int, char const*, char const*); + +extern void optionNestedVal(tOptions*, tOptDesc*); + +extern void optionNumericVal(tOptions*, tOptDesc*); + +extern void optionPagedUsage(tOptions *, tOptDesc *); + +extern void optionParseShell(tOptions*); + +extern void optionPrintParagraphs(char const *, bool, FILE *); + +extern void optionPutShell(tOptions*); + +extern char const * optionQuoteString(char const *, char const *); + +extern void optionResetOpt(tOptions*, tOptDesc*); + +extern void optionSetMembers(tOptions*, tOptDesc*, char const * const *, unsigned int); + +extern void optionShowRange(tOptions*, tOptDesc*, void *, int); + +extern void optionStackArg(tOptions*, tOptDesc*); + +extern void optionTimeDate(tOptions*, tOptDesc*); + +extern void optionTimeVal(tOptions*, tOptDesc*); + +extern void optionUnstackArg(tOptions*, tOptDesc*); + +extern void optionUsage(tOptions*, int); + +extern void optionVendorOption(tOptions *, tOptDesc *); + +extern void optionVersionStderr(tOptions*, tOptDesc*); + +extern void* text_mmap(char const*, int, int, tmap_info_t*); + +extern int text_munmap(tmap_info_t*); + +CPLUSPLUS_CLOSER +#endif /* AUTOOPTS_OPTIONS_H_GUARD */ +/** @} + * + * Local Variables: + * c-file-style: "stroustrup" + * indent-tabs-mode: nil + * End: + * options.h ends here */ |