Annotation of embedaddon/ntp/sntp/libopts/autoopts.h, revision 1.1.1.1
1.1 misho 1:
2: /*
3: * \file autoopts.h
4: *
5: * Time-stamp: "2011-03-25 17:51:34 bkorb"
6: *
7: * This file defines all the global structures and special values
8: * used in the automated option processing library.
9: *
10: * This file is part of AutoOpts, a companion to AutoGen.
11: * AutoOpts is free software.
12: * AutoOpts is Copyright (c) 1992-2011 by Bruce Korb - all rights reserved
13: *
14: * AutoOpts is available under any one of two licenses. The license
15: * in use must be one of these two and the choice is under the control
16: * of the user of the license.
17: *
18: * The GNU Lesser General Public License, version 3 or later
19: * See the files "COPYING.lgplv3" and "COPYING.gplv3"
20: *
21: * The Modified Berkeley Software Distribution License
22: * See the file "COPYING.mbsd"
23: *
24: * These files have the following md5sums:
25: *
26: * 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3
27: * 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3
28: * 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd
29: */
30:
31: #ifndef AUTOGEN_AUTOOPTS_H
32: #define AUTOGEN_AUTOOPTS_H
33:
34: #include "compat/compat.h"
35: #include "ag-char-map.h"
36:
37: #define AO_NAME_LIMIT 127
38: #define AO_NAME_SIZE ((size_t)(AO_NAME_LIMIT + 1))
39:
40: #ifndef AG_PATH_MAX
41: # ifdef PATH_MAX
42: # define AG_PATH_MAX ((size_t)PATH_MAX)
43: # else
44: # define AG_PATH_MAX ((size_t)4096)
45: # endif
46: #else
47: # if defined(PATH_MAX) && (PATH_MAX > MAXPATHLEN)
48: # undef AG_PATH_MAX
49: # define AG_PATH_MAX ((size_t)PATH_MAX)
50: # endif
51: #endif
52:
53: #undef EXPORT
54: #define EXPORT
55:
56: #if defined(_WIN32) && !defined(__CYGWIN__)
57: # define DIRCH '\\'
58: #else
59: # define DIRCH '/'
60: #endif
61:
62: #ifndef EX_NOINPUT
63: # define EX_NOINPUT 66
64: #endif
65: #ifndef EX_SOFTWARE
66: # define EX_SOFTWARE 70
67: #endif
68: #ifndef EX_CONFIG
69: # define EX_CONFIG 78
70: #endif
71:
72: /*
73: * Convert the number to a list usable in a printf call
74: */
75: #define NUM_TO_VER(n) ((n) >> 12), ((n) >> 7) & 0x001F, (n) & 0x007F
76:
77: #define NAMED_OPTS(po) \
78: (((po)->fOptSet & (OPTPROC_SHORTOPT | OPTPROC_LONGOPT)) == 0)
79:
80: #define SKIP_OPT(p) (((p)->fOptState & (OPTST_DOCUMENT|OPTST_OMITTED)) != 0)
81:
82: typedef int tDirection;
83: #define DIRECTION_PRESET -1
84: #define DIRECTION_PROCESS 1
85: #define DIRECTION_CALLED 0
86:
87: #define PROCESSING(d) ((d)>0)
88: #define PRESETTING(d) ((d)<0)
89:
90: /*
91: * When loading a line (or block) of text as an option, the value can
92: * be processed in any of several modes:
93: *
94: * @table @samp
95: * @item keep
96: * Every part of the value between the delimiters is saved.
97: *
98: * @item uncooked
99: * Even if the value begins with quote characters, do not do quote processing.
100: *
101: * @item cooked
102: * If the value looks like a quoted string, then process it.
103: * Double quoted strings are processed the way strings are in "C" programs,
104: * except they are treated as regular characters if the following character
105: * is not a well-established escape sequence.
106: * Single quoted strings (quoted with apostrophies) are handled the way
107: * strings are handled in shell scripts, *except* that backslash escapes
108: * are honored before backslash escapes and apostrophies.
109: * @end table
110: */
111: typedef enum {
112: OPTION_LOAD_COOKED,
113: OPTION_LOAD_UNCOOKED,
114: OPTION_LOAD_KEEP
115: } tOptionLoadMode;
116:
117: static tOptionLoadMode option_load_mode;
118:
119: /*
120: * The pager state is used by optionPagedUsage() procedure.
121: * When it runs, it sets itself up to be called again on exit.
122: * If, however, a routine needs a child process to do some work
123: * before it is done, then 'pagerState' must be set to
124: * 'PAGER_STATE_CHILD' so that optionPagedUsage() will not try
125: * to run the pager program before its time.
126: */
127: typedef enum {
128: PAGER_STATE_INITIAL,
129: PAGER_STATE_READY,
130: PAGER_STATE_CHILD
131: } tePagerState;
132:
133: typedef enum {
134: ENV_ALL,
135: ENV_IMM,
136: ENV_NON_IMM
137: } teEnvPresetType;
138:
139: typedef enum {
140: TOPT_UNDEFINED = 0,
141: TOPT_SHORT,
142: TOPT_LONG,
143: TOPT_DEFAULT
144: } teOptType;
145:
146: typedef struct {
147: tOptDesc* pOD;
148: tCC* pzOptArg;
149: tAoUL flags;
150: teOptType optType;
151: } tOptState;
152: #define OPTSTATE_INITIALIZER(st) \
153: { NULL, NULL, OPTST_ ## st, TOPT_UNDEFINED }
154:
155: #define TEXTTO_TABLE \
156: _TT_(LONGUSAGE) \
157: _TT_(USAGE) \
158: _TT_(VERSION)
159: #define _TT_(n) \
160: TT_ ## n ,
161:
162: typedef enum { TEXTTO_TABLE COUNT_TT } teTextTo;
163:
164: #undef _TT_
165:
166: typedef struct {
167: char const * pzStr;
168: char const * pzReq;
169: char const * pzNum;
170: char const * pzFile;
171: char const * pzKey;
172: char const * pzKeyL;
173: char const * pzBool;
174: char const * pzNest;
175: char const * pzOpt;
176: char const * pzNo;
177: char const * pzBrk;
178: char const * pzNoF;
179: char const * pzSpc;
180: char const * pzOptFmt;
181: char const * pzTime;
182: } arg_types_t;
183:
184: #define AGALOC(c, w) ao_malloc((size_t)c)
185: #define AGREALOC(p, c, w) ao_realloc((void*)p, (size_t)c)
186: #define AGFREE(_p) free((void *)_p)
187: #define AGDUPSTR(p, s, w) (p = ao_strdup(s))
188:
189: static void *
190: ao_malloc(size_t sz);
191:
192: static void *
193: ao_realloc(void *p, size_t sz);
194:
195: #define ao_free(_p) free((void *)_p)
196:
197: static char *
198: ao_strdup(char const *str);
199:
200: #define TAGMEM(m, t)
201:
202: /*
203: * DO option handling?
204: *
205: * Options are examined at two times: at immediate handling time and at
206: * normal handling time. If an option is disabled, the timing may be
207: * different from the handling of the undisabled option. The OPTST_DIABLED
208: * bit indicates the state of the currently discovered option.
209: * So, here's how it works:
210: *
211: * A) handling at "immediate" time, either 1 or 2:
212: *
213: * 1. OPTST_DISABLED is not set:
214: * IMM must be set
215: * DISABLE_IMM don't care
216: * TWICE don't care
217: * DISABLE_TWICE don't care
218: * 0 -and- 1 x x x
219: *
220: * 2. OPTST_DISABLED is set:
221: * IMM don't care
222: * DISABLE_IMM must be set
223: * TWICE don't care
224: * DISABLE_TWICE don't care
225: * 1 -and- x 1 x x
226: */
227: #define DO_IMMEDIATELY(_flg) \
228: ( (((_flg) & (OPTST_DISABLED|OPTST_IMM)) == OPTST_IMM) \
229: || ( ((_flg) & (OPTST_DISABLED|OPTST_DISABLE_IMM)) \
230: == (OPTST_DISABLED|OPTST_DISABLE_IMM) ))
231:
232: /* B) handling at "regular" time because it was not immediate
233: *
234: * 1. OPTST_DISABLED is not set:
235: * IMM must *NOT* be set
236: * DISABLE_IMM don't care
237: * TWICE don't care
238: * DISABLE_TWICE don't care
239: * 0 -and- 0 x x x
240: *
241: * 2. OPTST_DISABLED is set:
242: * IMM don't care
243: * DISABLE_IMM don't care
244: * TWICE must be set
245: * DISABLE_TWICE don't care
246: * 1 -and- x x 1 x
247: */
248: #define DO_NORMALLY(_flg) ( \
249: (((_flg) & (OPTST_DISABLED|OPTST_IMM)) == 0) \
250: || (((_flg) & (OPTST_DISABLED|OPTST_DISABLE_IMM)) == \
251: OPTST_DISABLED) )
252:
253: /* C) handling at "regular" time because it is to be handled twice.
254: * The immediate bit was already tested and found to be set:
255: *
256: * 3. OPTST_DISABLED is not set:
257: * IMM is set (but don't care)
258: * DISABLE_IMM don't care
259: * TWICE must be set
260: * DISABLE_TWICE don't care
261: * 0 -and- ? x 1 x
262: *
263: * 4. OPTST_DISABLED is set:
264: * IMM don't care
265: * DISABLE_IMM is set (but don't care)
266: * TWICE don't care
267: * DISABLE_TWICE must be set
268: * 1 -and- x ? x 1
269: */
270: #define DO_SECOND_TIME(_flg) ( \
271: (((_flg) & (OPTST_DISABLED|OPTST_TWICE)) == \
272: OPTST_TWICE) \
273: || (((_flg) & (OPTST_DISABLED|OPTST_DISABLE_TWICE)) == \
274: (OPTST_DISABLED|OPTST_DISABLE_TWICE) ))
275:
276: /*
277: * text_mmap structure. Only active on platforms with mmap(2).
278: */
279: #ifdef HAVE_SYS_MMAN_H
280: # include <sys/mman.h>
281: #else
282: # ifndef PROT_READ
283: # define PROT_READ 0x01
284: # endif
285: # ifndef PROT_WRITE
286: # define PROT_WRITE 0x02
287: # endif
288: # ifndef MAP_SHARED
289: # define MAP_SHARED 0x01
290: # endif
291: # ifndef MAP_PRIVATE
292: # define MAP_PRIVATE 0x02
293: # endif
294: #endif
295:
296: #ifndef MAP_FAILED
297: # define MAP_FAILED ((void*)-1)
298: #endif
299:
300: #ifndef _SC_PAGESIZE
301: # ifdef _SC_PAGE_SIZE
302: # define _SC_PAGESIZE _SC_PAGE_SIZE
303: # endif
304: #endif
305:
306: #ifndef HAVE_STRCHR
307: extern char* strchr(char const *s, int c);
308: extern char* strrchr(char const *s, int c);
309: #endif
310:
311: /*
312: * Define and initialize all the user visible strings.
313: * We do not do translations. If translations are to be done, then
314: * the client will provide a callback for that purpose.
315: */
316: #undef DO_TRANSLATIONS
317: #include "autoopts/usage-txt.h"
318:
319: /*
320: * File pointer for usage output
321: */
322: FILE * option_usage_fp;
323: static char const * program_pkgdatadir;
324:
325: extern tOptProc optionPrintVersion, optionPagedUsage, optionLoadOpt;
326:
327: #endif /* AUTOGEN_AUTOOPTS_H */
328: /*
329: * Local Variables:
330: * mode: C
331: * c-file-style: "stroustrup"
332: * indent-tabs-mode: nil
333: * End:
334: * end of autoopts/autoopts.h */
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