1 2 /* : : generated by proto : : */ 3 /*********************************************************************** 4 * * 5 * This software is part of the ast package * 6 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 7 * and is licensed under the * 8 * Common Public License, Version 1.0 * 9 * by AT&T Knowledge Ventures * 10 * * 11 * A copy of the License is available at * 12 * http://www.opensource.org/licenses/cpl1.0.txt * 13 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 14 * * 15 * Information and Software Systems Research * 16 * AT&T Research * 17 * Florham Park NJ * 18 * * 19 * Glenn Fowler <gsf@research.att.com> * 20 * David Korn <dgk@research.att.com> * 21 * Phong Vo <kpv@research.att.com> * 22 * * 23 ***********************************************************************/ 24 25 /* 26 * Glenn Fowler 27 * AT&T Research 28 * 29 * command line option parse interface 30 */ 31 32 #ifndef _OPTION_H 33 #if !defined(__PROTO__) 34 #include <prototyped.h> 35 #endif 36 #if !defined(__LINKAGE__) 37 #define __LINKAGE__ /* 2004-08-11 transition */ 38 #endif 39 40 #define _OPTION_H 41 42 #include <ast.h> 43 44 #define OPT_VERSION 20070319L 45 46 #define OPT_USER (1L<<16) /* first user flag bit */ 47 48 struct Opt_s; 49 struct Optdisc_s; 50 51 typedef int (*Optinfo_f) __PROTO__((struct Opt_s*, Sfio_t*, const char*, struct Optdisc_s*)); 52 53 typedef struct Optdisc_s 54 { 55 unsigned long version; /* OPT_VERSION */ 56 unsigned long flags; /* OPT_* flags */ 57 char* catalog; /* error catalog id */ 58 Optinfo_f infof; /* runtime info function */ 59 } Optdisc_t; 60 61 /* NOTE: Opt_t member order fixed by a previous binary release */ 62 63 #ifndef _OPT_PRIVATE_ 64 #define _OPT_PRIVATE_ \ 65 char pad[3*sizeof(__V_*)]; 66 #endif 67 68 typedef struct Opt_s 69 { 70 int again; /* see optjoin() */ 71 char* arg; /* {:,#} string argument */ 72 char** argv; /* most recent argv */ 73 int index; /* argv index */ 74 char* msg; /* error/usage message buffer */ 75 long num; /* OBSOLETE -- use number */ 76 int offset; /* char offset in argv[index] */ 77 char option[8]; /* current flag {-,+} + option */ 78 char name[64]; /* current long name or flag */ 79 Optdisc_t* disc; /* user discipline */ 80 intmax_t number; /* # numeric argument */ 81 unsigned char assignment; /* option arg assigment op */ 82 unsigned char pads[sizeof(__V_*)-1]; 83 _OPT_PRIVATE_ 84 } Opt_t; 85 86 #if _BLD_ast && defined(__EXPORT__) 87 #undef __MANGLE__ 88 #define __MANGLE__ __LINKAGE__ __EXPORT__ 89 #endif 90 #if !_BLD_ast && defined(__IMPORT__) 91 #undef __MANGLE__ 92 #define __MANGLE__ __LINKAGE__ __IMPORT__ 93 #endif 94 95 extern __MANGLE__ Opt_t* _opt_infop_; 96 97 #define opt_info (*_opt_infop_) 98 99 #undef __MANGLE__ 100 #define __MANGLE__ __LINKAGE__ 101 102 #define optinit(d,f) (memset(d,0,sizeof(*(d))),(d)->version=OPT_VERSION,(d)->infof=(f),opt_info.disc=(d)) 103 104 #if _BLD_ast && defined(__EXPORT__) 105 #undef __MANGLE__ 106 #define __MANGLE__ __LINKAGE__ __EXPORT__ 107 #endif 108 109 extern __MANGLE__ int optget __PROTO__((char**, const char*)); 110 extern __MANGLE__ int optjoin __PROTO__((char**, ...)); 111 extern __MANGLE__ char* opthelp __PROTO__((const char*, const char*)); 112 extern __MANGLE__ char* optusage __PROTO__((const char*)); 113 extern __MANGLE__ int optstr __PROTO__((const char*, const char*)); 114 extern __MANGLE__ int optesc __PROTO__((Sfio_t*, const char*, int)); 115 116 #undef __MANGLE__ 117 #define __MANGLE__ __LINKAGE__ 118 119 #endif 120