popt  1.18
popt.h
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1 
5 /* (C) 1998-2000 Red Hat, Inc. -- Licensing details are in the COPYING
6  file accompanying popt source distributions, available from
7  ftp://ftp.rpm.org/pub/rpm/dist. */
8 
9 #ifndef H_POPT
10 #define H_POPT
11 
12 #include <stdio.h> /* for FILE * */
13 
14 #define POPT_OPTION_DEPTH 10
15 
20 #define POPT_ARG_NONE 0U
21 #define POPT_ARG_STRING 1U
22 #define POPT_ARG_INT 2U
23 #define POPT_ARG_LONG 3U
24 #define POPT_ARG_INCLUDE_TABLE 4U
25 #define POPT_ARG_CALLBACK 5U
29 #define POPT_ARG_INTL_DOMAIN 6U
33 #define POPT_ARG_VAL 7U
34 #define POPT_ARG_FLOAT 8U
35 #define POPT_ARG_DOUBLE 9U
36 #define POPT_ARG_LONGLONG 10U
38 #define POPT_ARG_MAINCALL (16U+11U)
39 #define POPT_ARG_ARGV 12U
40 #define POPT_ARG_SHORT 13U
41 #define POPT_ARG_BITSET (16U+14U)
43 #define POPT_ARG_MASK 0x000000FFU
44 #define POPT_GROUP_MASK 0x0000FF00U
45 
52 #define POPT_ARGFLAG_ONEDASH 0x80000000U
53 #define POPT_ARGFLAG_DOC_HIDDEN 0x40000000U
54 #define POPT_ARGFLAG_STRIP 0x20000000U
55 #define POPT_ARGFLAG_OPTIONAL 0x10000000U
57 #define POPT_ARGFLAG_OR 0x08000000U
58 #define POPT_ARGFLAG_NOR 0x09000000U
59 #define POPT_ARGFLAG_AND 0x04000000U
60 #define POPT_ARGFLAG_NAND 0x05000000U
61 #define POPT_ARGFLAG_XOR 0x02000000U
62 #define POPT_ARGFLAG_NOT 0x01000000U
63 #define POPT_ARGFLAG_LOGICALOPS \
64  (POPT_ARGFLAG_OR|POPT_ARGFLAG_AND|POPT_ARGFLAG_XOR)
65 
66 #define POPT_BIT_SET (POPT_ARG_VAL|POPT_ARGFLAG_OR)
68 #define POPT_BIT_CLR (POPT_ARG_VAL|POPT_ARGFLAG_NAND)
71 #define POPT_ARGFLAG_SHOW_DEFAULT 0x00800000U
72 #define POPT_ARGFLAG_RANDOM 0x00400000U
73 #define POPT_ARGFLAG_TOGGLE 0x00200000U
76 
81 #define POPT_CBFLAG_PRE 0x80000000U
82 #define POPT_CBFLAG_POST 0x40000000U
83 #define POPT_CBFLAG_INC_DATA 0x20000000U
85 #define POPT_CBFLAG_SKIPOPTION 0x10000000U
86 #define POPT_CBFLAG_CONTINUE 0x08000000U
88 
93 #define POPT_ERROR_NOARG -10
94 #define POPT_ERROR_BADOPT -11
95 #define POPT_ERROR_OPTSTOODEEP -13
96 #define POPT_ERROR_BADQUOTE -15
97 #define POPT_ERROR_ERRNO -16
98 #define POPT_ERROR_BADNUMBER -17
99 #define POPT_ERROR_OVERFLOW -18
100 #define POPT_ERROR_BADOPERATION -19
101 #define POPT_ERROR_NULLARG -20
102 #define POPT_ERROR_MALLOC -21
103 #define POPT_ERROR_NOCONTEXT -22
104 #define POPT_ERROR_BADCONFIG -23
107 
112 #define POPT_BADOPTION_NOALIAS (1U << 0)
114 
119 #define POPT_CONTEXT_NO_EXEC (1U << 0)
120 #define POPT_CONTEXT_KEEP_FIRST (1U << 1)
121 #define POPT_CONTEXT_POSIXMEHARDER (1U << 2)
122 #define POPT_CONTEXT_ARG_OPTS (1U << 4)
124 
127 struct poptOption {
128  const char * longName;
129  char shortName;
130  unsigned int argInfo;
131  void * arg;
132  int val;
133  const char * descrip;
134  const char * argDescrip;
135 };
136 
140 struct poptAlias {
141  const char * longName;
142  char shortName;
143  int argc;
144  const char ** argv;
145 };
146 
150 typedef struct poptItem_s {
151  struct poptOption option;
152  int argc;
153  const char ** argv;
155 
160 
164 extern struct poptOption poptAliasOptions[];
165 #define POPT_AUTOALIAS { NULL, '\0', POPT_ARG_INCLUDE_TABLE, poptAliasOptions, \
166  0, "Options implemented via popt alias/exec:", NULL },
167 
171 extern struct poptOption poptHelpOptions[];
172 
173 extern struct poptOption * poptHelpOptionsI18N;
174 
175 #define POPT_AUTOHELP { NULL, '\0', POPT_ARG_INCLUDE_TABLE, poptHelpOptions, \
176  0, "Help options:", NULL },
177 
178 #define POPT_TABLEEND { NULL, '\0', 0, NULL, 0, NULL, NULL }
183 typedef struct poptContext_s * poptContext;
184 
187 #ifndef __cplusplus
188 typedef struct poptOption * poptOption;
189 #endif
190 
197 };
198 
199 #ifdef __cplusplus
200 extern "C" {
201 #endif
202 
211 typedef void (*poptCallbackType) (poptContext con,
212  enum poptCallbackReason reason,
213  const struct poptOption * opt,
214  const char * arg,
215  const void * data);
216 
223 
234  const char * name,
235  int argc, const char ** argv,
236  const struct poptOption * options,
237  unsigned int flags);
238 
245 
255 poptContext poptInit(int argc, const char ** argv,
256  const struct poptOption * options,
257  const char * configPaths);
258 
263 void poptResetContext(poptContext con);
264 
270 int poptGetNextOpt(poptContext con);
271 
277 char * poptGetOptArg(poptContext con);
278 
284 const char * poptGetArg(poptContext con);
285 
291 const char * poptPeekArg(poptContext con)
292  /*@*/;
293 
299 const char ** poptGetArgs(poptContext con);
300 
307 const char * poptBadOption(poptContext con, unsigned int flags)
308  /*@*/;
309 
316 int poptStuffArgs(poptContext con, const char ** argv);
317 
327 int poptAddAlias(poptContext con, struct poptAlias alias, int flags);
328 
336 int poptAddItem(poptContext con, poptItem newItem, int flags);
337 
343 int poptSaneFile(const char * fn);
344 
353 int poptReadFile(const char * fn, char ** bp,
354  size_t * nbp, int flags);
355 #define POPT_READFILE_TRIMNEWLINES 1
356 
363 int poptReadConfigFile(poptContext con, const char * fn);
364 
374 int poptReadConfigFiles(poptContext con, const char * paths);
375 
382 int poptReadDefaultConfig(poptContext con, int useEnv);
383 
395 int poptDupArgv(int argc, const char **argv,
396  int * argcPtr,
397  const char *** argvPtr);
398 
410 int poptParseArgvString(const char * s,
411  int * argcPtr, const char *** argvPtr);
412 
459 int poptConfigFileToString(FILE *fp, char ** argstrp, int flags);
460 
466 const char * poptStrerror(const int error);
467 
474 void poptSetExecPath(poptContext con, const char * path, int allowAbsolute);
475 
482 void poptPrintHelp(poptContext con, FILE * fp, int flags);
483 
490 void poptPrintUsage(poptContext con, FILE * fp, int flags);
491 
497 void poptSetOtherOptionHelp(poptContext con, const char * text);
498 
504 const char * poptGetInvocationName(poptContext con)
505  /*@*/;
506 
514 int poptStrippedArgv(poptContext con, int argc, char ** argv);
515 
523 int poptSaveString(const char *** argvp, unsigned int argInfo,
524  const char * val);
525 
534 int poptSaveLongLong(long long * arg, unsigned int argInfo,
535  long long aLongLong);
536 
545 int poptSaveLong(long * arg, unsigned int argInfo, long aLong);
546 
555 int poptSaveShort(short * arg, unsigned int argInfo, long aLong);
556 
565 int poptSaveInt(int * arg, unsigned int argInfo, long aLong);
566 
567 /* The bit set typedef. */
568 typedef struct poptBits_s {
569  unsigned int bits[1];
571 
572 #define _POPT_BITS_N 1024U /* estimated population */
573 #define _POPT_BITS_M ((3U * _POPT_BITS_N) / 2U)
574 #define _POPT_BITS_K 16U /* no. of linear hash combinations */
575 
576 extern unsigned int _poptBitsN;
577 extern unsigned int _poptBitsM;
578 extern unsigned int _poptBitsK;
579 
580 int poptBitsAdd(poptBits bits, const char * s);
581 int poptBitsChk(poptBits bits, const char * s);
582 int poptBitsClr(poptBits bits);
583 int poptBitsDel(poptBits bits, const char * s);
584 int poptBitsIntersect(poptBits * ap, const poptBits b);
585 int poptBitsUnion(poptBits * ap, const poptBits b);
586 int poptBitsArgs(poptContext con, poptBits * ap);
587 
595 int poptSaveBits(poptBits * bitsp, unsigned int argInfo,
596  const char * s);
597 
598 
599 #ifdef __cplusplus
600 }
601 #endif
602 
603 #endif
int poptConfigFileToString(FILE *fp, char **argstrp, int flags)
Parses an input configuration file and returns an string that is a command line.
Definition: poptparse.c:131
int poptReadFile(const char *fn, char **bp, size_t *nbp, int flags)
Read a file into a buffer.
Definition: poptconfig.c:126
struct poptOption poptHelpOptions[]
Auto help table options.
Definition: popthelp.c:62
void poptSetExecPath(poptContext con, const char *path, int allowAbsolute)
Limit search for executables.
Definition: popt.c:64
const char * poptPeekArg(poptContext con)
Peek at current argument.
Definition: popt.c:1494
void(* poptCallbackType)(poptContext con, enum poptCallbackReason reason, const struct poptOption *opt, const char *arg, const void *data)
Table callback prototype.
Definition: popt.h:211
char * poptGetOptArg(poptContext con)
Return next option argument (if any).
Definition: popt.c:1476
struct poptOption * poptOption
Definition: popt.h:188
int poptSaveInt(int *arg, unsigned int argInfo, long aLong)
Save an integer, performing logical operation with value.
Definition: popt.c:993
int poptReadConfigFiles(poptContext con, const char *paths)
Read configuration file(s).
Definition: poptconfig.c:390
int poptStuffArgs(poptContext con, const char **argv)
Add arguments to context.
Definition: popt.c:1672
const char * poptGetInvocationName(poptContext con)
Return argv[0] from context.
Definition: popt.c:1698
const char ** poptGetArgs(poptContext con)
Return remaining arguments.
Definition: popt.c:1502
int poptBitsUnion(poptBits *ap, const poptBits b)
Definition: popt.c:824
int poptAddAlias(poptContext con, struct poptAlias alias, int flags)
Add alias to context.
Definition: popt.c:1553
int poptStrippedArgv(poptContext con, int argc, char **argv)
Shuffle argv pointers to remove stripped args, returns new argc.
Definition: popt.c:1703
int poptAddItem(poptContext con, poptItem newItem, int flags)
Add alias/exec item to context.
Definition: popt.c:1574
void poptPrintHelp(poptContext con, FILE *fp, int flags)
Print detailed description of options.
Definition: popthelp.c:632
int poptDupArgv(int argc, const char **argv, int *argcPtr, const char ***argvPtr)
Duplicate an argument array.
Definition: poptparse.c:13
const char * poptBadOption(poptContext con, unsigned int flags)
Return the option which caused the most recent error.
Definition: popt.c:1619
void poptResetContext(poptContext con)
Reinitialize popt context.
Definition: popt.c:206
int poptBitsClr(poptBits bits)
Definition: popt.c:774
int poptBitsChk(poptBits bits, const char *s)
Definition: popt.c:751
const char * poptStrerror(const int error)
Return formatted error string for popt failure.
Definition: popt.c:1640
int poptGetNextOpt(poptContext con)
Return value of next option found.
Definition: popt.c:1225
int poptBitsIntersect(poptBits *ap, const poptBits b)
Definition: popt.c:804
int poptBitsArgs(poptContext con, poptBits *ap)
Definition: popt.c:844
int poptReadConfigFile(poptContext con, const char *fn)
Read configuration file.
Definition: poptconfig.c:338
unsigned int _poptBitsN
Definition: popt.c:710
struct poptOption * poptHelpOptionsI18N
Definition: popthelp.c:82
struct poptOption poptAliasOptions[]
Empty table marker to enable displaying popt alias/exec options.
Definition: popthelp.c:55
int poptSaveLongLong(long long *arg, unsigned int argInfo, long long aLongLong)
Save a long long, performing logical operation with value.
Definition: popt.c:919
int poptParseArgvString(const char *s, int *argcPtr, const char ***argvPtr)
Parse a string into an argument array.
Definition: poptparse.c:54
int poptSaveString(const char ***argvp, unsigned int argInfo, const char *val)
Add a string to an argv array.
Definition: popt.c:897
struct poptBits_s * poptBits
poptContext poptGetContext(const char *name, int argc, const char **argv, const struct poptOption *options, unsigned int flags)
Initialize popt context.
Definition: popt.c:155
void poptSetOtherOptionHelp(poptContext con, const char *text)
Provide text to replace default "[OPTION...]" in help/usage output.
Definition: popthelp.c:888
poptContext poptFini(poptContext con)
Destroy context (alternative implementation).
Definition: poptconfig.c:482
int poptBitsAdd(poptBits bits, const char *s)
Definition: popt.c:732
struct poptItem_s * poptItem
A popt alias or exec argument for poptAddItem().
poptContext poptFreeContext(poptContext con)
Destroy context.
Definition: popt.c:1531
unsigned int _poptBitsK
Definition: popt.c:712
const char * poptGetArg(poptContext con)
Return next argument.
Definition: popt.c:1486
struct poptContext_s * poptContext
Definition: popt.h:183
int poptSaveLong(long *arg, unsigned int argInfo, long aLong)
Save a long, performing logical operation with value.
Definition: popt.c:960
int poptSaveBits(poptBits *bitsp, unsigned int argInfo, const char *s)
Save a string into a bit set (experimental).
Definition: popt.c:863
int poptBitsDel(poptBits bits, const char *s)
Definition: popt.c:785
int poptSaveShort(short *arg, unsigned int argInfo, long aLong)
Save a short integer, performing logical operation with value.
Definition: popt.c:1026
poptContext poptInit(int argc, const char **argv, const struct poptOption *options, const char *configPaths)
Initialize popt context (alternative implementation).
Definition: poptconfig.c:488
void poptPrintUsage(poptContext con, FILE *fp, int flags)
Print terse description of options.
Definition: popthelp.c:851
int poptSaneFile(const char *fn)
Test path/file for config file sanity (regular file, permissions etc)
Definition: poptconfig.c:111
unsigned int _poptBitsM
Definition: popt.c:711
poptCallbackReason
Definition: popt.h:193
@ POPT_CALLBACK_REASON_PRE
Definition: popt.h:194
@ POPT_CALLBACK_REASON_OPTION
Definition: popt.h:196
@ POPT_CALLBACK_REASON_POST
Definition: popt.h:195
int poptReadDefaultConfig(poptContext con, int useEnv)
Read default configuration from /etc/popt and $HOME/.popt.
Definition: poptconfig.c:433
A popt alias argument for poptAddAlias().
Definition: popt.h:140
int argc
Definition: popt.h:143
const char ** argv
Definition: popt.h:144
const char * longName
Definition: popt.h:141
char shortName
Definition: popt.h:142
unsigned int bits[1]
Definition: popt.h:569
A popt alias or exec argument for poptAddItem().
Definition: popt.h:150
const char ** argv
Definition: popt.h:153
struct poptOption option
Definition: popt.h:151
int argc
Definition: popt.h:152
unsigned int argInfo
Definition: popt.h:130
void * arg
Definition: popt.h:131
char shortName
Definition: popt.h:129
const char * argDescrip
Definition: popt.h:134
int val
Definition: popt.h:132
const char * longName
Definition: popt.h:128
const char * descrip
Definition: popt.h:133