| 1 | /** \file popt/popt.h | 
|---|
| 2 | * \ingroup popt | 
|---|
| 3 | */ | 
|---|
| 4 |  | 
|---|
| 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 |  | 
|---|
| 16 | /** \ingroup popt | 
|---|
| 17 | * \name Arg type identifiers | 
|---|
| 18 | */ | 
|---|
| 19 | /*@{*/ | 
|---|
| 20 | #define POPT_ARG_NONE           0       /*!< no arg */ | 
|---|
| 21 | #define POPT_ARG_STRING         1       /*!< arg will be saved as string */ | 
|---|
| 22 | #define POPT_ARG_INT            2       /*!< arg will be converted to int */ | 
|---|
| 23 | #define POPT_ARG_LONG           3       /*!< arg will be converted to long */ | 
|---|
| 24 | #define POPT_ARG_INCLUDE_TABLE  4       /*!< arg points to table */ | 
|---|
| 25 | #define POPT_ARG_CALLBACK       5       /*!< table-wide callback... must be | 
|---|
| 26 | set first in table; arg points | 
|---|
| 27 | to callback, descrip points to | 
|---|
| 28 | callback data to pass */ | 
|---|
| 29 | #define POPT_ARG_INTL_DOMAIN    6       /*!< set the translation domain | 
|---|
| 30 | for this table and any | 
|---|
| 31 | included tables; arg points | 
|---|
| 32 | to the domain string */ | 
|---|
| 33 | #define POPT_ARG_VAL            7       /*!< arg should take value val */ | 
|---|
| 34 | #define POPT_ARG_FLOAT          8       /*!< arg will be converted to float */ | 
|---|
| 35 | #define POPT_ARG_DOUBLE         9       /*!< arg will be converted to double */ | 
|---|
| 36 |  | 
|---|
| 37 | #define POPT_ARG_MASK           0x0000FFFF | 
|---|
| 38 | /*@}*/ | 
|---|
| 39 |  | 
|---|
| 40 | /** \ingroup popt | 
|---|
| 41 | * \name Arg modifiers | 
|---|
| 42 | */ | 
|---|
| 43 | /*@{*/ | 
|---|
| 44 | #define POPT_ARGFLAG_ONEDASH    0x80000000  /*!< allow -longoption */ | 
|---|
| 45 | #define POPT_ARGFLAG_DOC_HIDDEN 0x40000000  /*!< don't show in help/usage */ | 
|---|
| 46 | #define POPT_ARGFLAG_STRIP      0x20000000  /*!< strip this arg from argv(only applies to long args) */ | 
|---|
| 47 | #define POPT_ARGFLAG_OPTIONAL   0x10000000  /*!< arg may be missing */ | 
|---|
| 48 |  | 
|---|
| 49 | #define POPT_ARGFLAG_OR         0x08000000  /*!< arg will be or'ed */ | 
|---|
| 50 | #define POPT_ARGFLAG_NOR        0x09000000  /*!< arg will be nor'ed */ | 
|---|
| 51 | #define POPT_ARGFLAG_AND        0x04000000  /*!< arg will be and'ed */ | 
|---|
| 52 | #define POPT_ARGFLAG_NAND       0x05000000  /*!< arg will be nand'ed */ | 
|---|
| 53 | #define POPT_ARGFLAG_XOR        0x02000000  /*!< arg will be xor'ed */ | 
|---|
| 54 | #define POPT_ARGFLAG_NOT        0x01000000  /*!< arg will be negated */ | 
|---|
| 55 | #define POPT_ARGFLAG_LOGICALOPS \ | 
|---|
| 56 | (POPT_ARGFLAG_OR|POPT_ARGFLAG_AND|POPT_ARGFLAG_XOR) | 
|---|
| 57 |  | 
|---|
| 58 | #define POPT_BIT_SET    (POPT_ARG_VAL|POPT_ARGFLAG_OR) | 
|---|
| 59 | /*!< set arg bit(s) */ | 
|---|
| 60 | #define POPT_BIT_CLR    (POPT_ARG_VAL|POPT_ARGFLAG_NAND) | 
|---|
| 61 | /*!< clear arg bit(s) */ | 
|---|
| 62 |  | 
|---|
| 63 | #define POPT_ARGFLAG_SHOW_DEFAULT 0x00800000 /*!< show default value in --help */ | 
|---|
| 64 |  | 
|---|
| 65 | /*@}*/ | 
|---|
| 66 |  | 
|---|
| 67 | /** \ingroup popt | 
|---|
| 68 | * \name Callback modifiers | 
|---|
| 69 | */ | 
|---|
| 70 | /*@{*/ | 
|---|
| 71 | #define POPT_CBFLAG_PRE         0x80000000  /*!< call the callback before parse */ | 
|---|
| 72 | #define POPT_CBFLAG_POST        0x40000000  /*!< call the callback after parse */ | 
|---|
| 73 | #define POPT_CBFLAG_INC_DATA    0x20000000  /*!< use data from the include line, | 
|---|
| 74 | not the subtable */ | 
|---|
| 75 | #define POPT_CBFLAG_SKIPOPTION  0x10000000  /*!< don't callback with option */ | 
|---|
| 76 | #define POPT_CBFLAG_CONTINUE    0x08000000  /*!< continue callbacks with option */ | 
|---|
| 77 | /*@}*/ | 
|---|
| 78 |  | 
|---|
| 79 | /** \ingroup popt | 
|---|
| 80 | * \name Error return values | 
|---|
| 81 | */ | 
|---|
| 82 | /*@{*/ | 
|---|
| 83 | #define POPT_ERROR_NOARG        -10     /*!< missing argument */ | 
|---|
| 84 | #define POPT_ERROR_BADOPT       -11     /*!< unknown option */ | 
|---|
| 85 | #define POPT_ERROR_OPTSTOODEEP  -13     /*!< aliases nested too deeply */ | 
|---|
| 86 | #define POPT_ERROR_BADQUOTE     -15     /*!< error in parameter quoting */ | 
|---|
| 87 | #define POPT_ERROR_ERRNO        -16     /*!< errno set, use strerror(errno) */ | 
|---|
| 88 | #define POPT_ERROR_BADNUMBER    -17     /*!< invalid numeric value */ | 
|---|
| 89 | #define POPT_ERROR_OVERFLOW     -18     /*!< number too large or too small */ | 
|---|
| 90 | #define POPT_ERROR_BADOPERATION -19     /*!< mutually exclusive logical operations requested */ | 
|---|
| 91 | #define POPT_ERROR_NULLARG      -20     /*!< opt->arg should not be NULL */ | 
|---|
| 92 | #define POPT_ERROR_MALLOC       -21     /*!< memory allocation failed */ | 
|---|
| 93 | /*@}*/ | 
|---|
| 94 |  | 
|---|
| 95 | /** \ingroup popt | 
|---|
| 96 | * \name poptBadOption() flags | 
|---|
| 97 | */ | 
|---|
| 98 | /*@{*/ | 
|---|
| 99 | #define POPT_BADOPTION_NOALIAS  (1 << 0)  /*!< don't go into an alias */ | 
|---|
| 100 | /*@}*/ | 
|---|
| 101 |  | 
|---|
| 102 | /** \ingroup popt | 
|---|
| 103 | * \name poptGetContext() flags | 
|---|
| 104 | */ | 
|---|
| 105 | /*@{*/ | 
|---|
| 106 | #define POPT_CONTEXT_NO_EXEC    (1 << 0)  /*!< ignore exec expansions */ | 
|---|
| 107 | #define POPT_CONTEXT_KEEP_FIRST (1 << 1)  /*!< pay attention to argv[0] */ | 
|---|
| 108 | #define POPT_CONTEXT_POSIXMEHARDER (1 << 2) /*!< options can't follow args */ | 
|---|
| 109 | #define POPT_CONTEXT_ARG_OPTS   (1 << 4) /*!< return args as options with value 0 */ | 
|---|
| 110 | /*@}*/ | 
|---|
| 111 |  | 
|---|
| 112 | /** \ingroup popt | 
|---|
| 113 | */ | 
|---|
| 114 | struct poptOption { | 
|---|
| 115 | /*@observer@*/ /*@null@*/ | 
|---|
| 116 | const char * longName;      /*!< may be NULL */ | 
|---|
| 117 | char shortName;             /*!< may be '\0' */ | 
|---|
| 118 | int argInfo; | 
|---|
| 119 | /*@shared@*/ /*@null@*/ | 
|---|
| 120 | void * arg;                 /*!< depends on argInfo */ | 
|---|
| 121 | int val;                    /*!< 0 means don't return, just update flag */ | 
|---|
| 122 | /*@observer@*/ /*@null@*/ | 
|---|
| 123 | const char * descrip;       /*!< description for autohelp -- may be NULL */ | 
|---|
| 124 | /*@observer@*/ /*@null@*/ | 
|---|
| 125 | const char * argDescrip;    /*!< argument description for autohelp */ | 
|---|
| 126 | }; | 
|---|
| 127 |  | 
|---|
| 128 | /** \ingroup popt | 
|---|
| 129 | * A popt alias argument for poptAddAlias(). | 
|---|
| 130 | */ | 
|---|
| 131 | struct poptAlias { | 
|---|
| 132 | /*@owned@*/ /*@null@*/ | 
|---|
| 133 | const char * longName;      /*!< may be NULL */ | 
|---|
| 134 | char shortName;             /*!< may be '\0' */ | 
|---|
| 135 | int argc; | 
|---|
| 136 | /*@owned@*/ | 
|---|
| 137 | const char ** argv;         /*!< must be free()able */ | 
|---|
| 138 | }; | 
|---|
| 139 |  | 
|---|
| 140 | /** \ingroup popt | 
|---|
| 141 | * A popt alias or exec argument for poptAddItem(). | 
|---|
| 142 | */ | 
|---|
| 143 | /*@-exporttype@*/ | 
|---|
| 144 | typedef struct poptItem_s { | 
|---|
| 145 | struct poptOption option;   /*!< alias/exec name(s) and description. */ | 
|---|
| 146 | int argc;                   /*!< (alias) no. of args. */ | 
|---|
| 147 | /*@owned@*/ | 
|---|
| 148 | const char ** argv;         /*!< (alias) args, must be free()able. */ | 
|---|
| 149 | } * poptItem; | 
|---|
| 150 | /*@=exporttype@*/ | 
|---|
| 151 |  | 
|---|
| 152 | /** \ingroup popt | 
|---|
| 153 | * \name Auto-generated help/usage | 
|---|
| 154 | */ | 
|---|
| 155 | /*@{*/ | 
|---|
| 156 |  | 
|---|
| 157 | /** | 
|---|
| 158 | * Empty table marker to enable displaying popt alias/exec options. | 
|---|
| 159 | */ | 
|---|
| 160 | /*@-exportvar@*/ | 
|---|
| 161 | /*@unchecked@*/ /*@observer@*/ | 
|---|
| 162 | extern struct poptOption poptAliasOptions[]; | 
|---|
| 163 | /*@=exportvar@*/ | 
|---|
| 164 | #define POPT_AUTOALIAS { NULL, '\0', POPT_ARG_INCLUDE_TABLE, poptAliasOptions, \ | 
|---|
| 165 | 0, "Options implemented via popt alias/exec:", NULL }, | 
|---|
| 166 |  | 
|---|
| 167 | /** | 
|---|
| 168 | * Auto help table options. | 
|---|
| 169 | */ | 
|---|
| 170 | /*@-exportvar@*/ | 
|---|
| 171 | /*@unchecked@*/ /*@observer@*/ | 
|---|
| 172 | extern struct poptOption poptHelpOptions[]; | 
|---|
| 173 | /*@=exportvar@*/ | 
|---|
| 174 | #define POPT_AUTOHELP { NULL, '\0', POPT_ARG_INCLUDE_TABLE, poptHelpOptions, \ | 
|---|
| 175 | 0, "Help options:", NULL }, | 
|---|
| 176 |  | 
|---|
| 177 | #define POPT_TABLEEND { NULL, '\0', 0, 0, 0, NULL, NULL } | 
|---|
| 178 | /*@}*/ | 
|---|
| 179 |  | 
|---|
| 180 | /** \ingroup popt | 
|---|
| 181 | */ | 
|---|
| 182 | /*@-exporttype@*/ | 
|---|
| 183 | typedef /*@abstract@*/ struct poptContext_s * poptContext; | 
|---|
| 184 | /*@=exporttype@*/ | 
|---|
| 185 |  | 
|---|
| 186 | /** \ingroup popt | 
|---|
| 187 | */ | 
|---|
| 188 | #ifndef __cplusplus | 
|---|
| 189 | /*@-exporttype -typeuse@*/ | 
|---|
| 190 | typedef struct poptOption * poptOption; | 
|---|
| 191 | /*@=exporttype =typeuse@*/ | 
|---|
| 192 | #endif | 
|---|
| 193 |  | 
|---|
| 194 | /*@-exportconst@*/ | 
|---|
| 195 | enum poptCallbackReason { | 
|---|
| 196 | POPT_CALLBACK_REASON_PRE    = 0, | 
|---|
| 197 | POPT_CALLBACK_REASON_POST   = 1, | 
|---|
| 198 | POPT_CALLBACK_REASON_OPTION = 2 | 
|---|
| 199 | }; | 
|---|
| 200 | /*@=exportconst@*/ | 
|---|
| 201 |  | 
|---|
| 202 | #ifdef __cplusplus | 
|---|
| 203 | extern "C" { | 
|---|
| 204 | #endif | 
|---|
| 205 | /*@-type@*/ | 
|---|
| 206 |  | 
|---|
| 207 | /** \ingroup popt | 
|---|
| 208 | * Table callback prototype. | 
|---|
| 209 | * @param con           context | 
|---|
| 210 | * @param reason        reason for callback | 
|---|
| 211 | * @param opt           option that triggered callback | 
|---|
| 212 | * @param arg           @todo Document. | 
|---|
| 213 | * @param data          @todo Document. | 
|---|
| 214 | */ | 
|---|
| 215 | typedef void (*poptCallbackType) (poptContext con, | 
|---|
| 216 | enum poptCallbackReason reason, | 
|---|
| 217 | /*@null@*/ const struct poptOption * opt, | 
|---|
| 218 | /*@null@*/ const char * arg, | 
|---|
| 219 | /*@null@*/ const void * data) | 
|---|
| 220 | /*@*/; | 
|---|
| 221 |  | 
|---|
| 222 | /** \ingroup popt | 
|---|
| 223 | * Initialize popt context. | 
|---|
| 224 | * @param name          context name (usually argv[0] program name) | 
|---|
| 225 | * @param argc          no. of arguments | 
|---|
| 226 | * @param argv          argument array | 
|---|
| 227 | * @param options       address of popt option table | 
|---|
| 228 | * @param flags         or'd POPT_CONTEXT_* bits | 
|---|
| 229 | * @return              initialized popt context | 
|---|
| 230 | */ | 
|---|
| 231 | /*@only@*/ /*@null@*/ poptContext poptGetContext( | 
|---|
| 232 | /*@dependent@*/ /*@keep@*/ const char * name, | 
|---|
| 233 | int argc, /*@dependent@*/ /*@keep@*/ const char ** argv, | 
|---|
| 234 | /*@dependent@*/ /*@keep@*/ const struct poptOption * options, | 
|---|
| 235 | int flags) | 
|---|
| 236 | /*@*/; | 
|---|
| 237 |  | 
|---|
| 238 | /** \ingroup popt | 
|---|
| 239 | * Reinitialize popt context. | 
|---|
| 240 | * @param con           context | 
|---|
| 241 | */ | 
|---|
| 242 | /*@unused@*/ | 
|---|
| 243 | void poptResetContext(/*@null@*/poptContext con) | 
|---|
| 244 | /*@modifies con @*/; | 
|---|
| 245 |  | 
|---|
| 246 | /** \ingroup popt | 
|---|
| 247 | * Return value of next option found. | 
|---|
| 248 | * @param con           context | 
|---|
| 249 | * @return              next option val, -1 on last item, POPT_ERROR_* on error | 
|---|
| 250 | */ | 
|---|
| 251 | int poptGetNextOpt(/*@null@*/poptContext con) | 
|---|
| 252 | /*@globals fileSystem, internalState @*/ | 
|---|
| 253 | /*@modifies con, fileSystem, internalState @*/; | 
|---|
| 254 |  | 
|---|
| 255 | /** \ingroup popt | 
|---|
| 256 | * Return next option argument (if any). | 
|---|
| 257 | * @param con           context | 
|---|
| 258 | * @return              option argument, NULL if no argument is available | 
|---|
| 259 | */ | 
|---|
| 260 | /*@observer@*/ /*@null@*/ const char * poptGetOptArg(/*@null@*/poptContext con) | 
|---|
| 261 | /*@modifies con @*/; | 
|---|
| 262 |  | 
|---|
| 263 | /** \ingroup popt | 
|---|
| 264 | * Return next argument. | 
|---|
| 265 | * @param con           context | 
|---|
| 266 | * @return              next argument, NULL if no argument is available | 
|---|
| 267 | */ | 
|---|
| 268 | /*@observer@*/ /*@null@*/ const char * poptGetArg(/*@null@*/poptContext con) | 
|---|
| 269 | /*@modifies con @*/; | 
|---|
| 270 |  | 
|---|
| 271 | /** \ingroup popt | 
|---|
| 272 | * Peek at current argument. | 
|---|
| 273 | * @param con           context | 
|---|
| 274 | * @return              current argument, NULL if no argument is available | 
|---|
| 275 | */ | 
|---|
| 276 | /*@observer@*/ /*@null@*/ const char * poptPeekArg(/*@null@*/poptContext con) | 
|---|
| 277 | /*@*/; | 
|---|
| 278 |  | 
|---|
| 279 | /** \ingroup popt | 
|---|
| 280 | * Return remaining arguments. | 
|---|
| 281 | * @param con           context | 
|---|
| 282 | * @return              argument array, NULL terminated | 
|---|
| 283 | */ | 
|---|
| 284 | /*@observer@*/ /*@null@*/ const char ** poptGetArgs(/*@null@*/poptContext con) | 
|---|
| 285 | /*@modifies con @*/; | 
|---|
| 286 |  | 
|---|
| 287 | /** \ingroup popt | 
|---|
| 288 | * Return the option which caused the most recent error. | 
|---|
| 289 | * @param con           context | 
|---|
| 290 | * @param flags | 
|---|
| 291 | * @return              offending option | 
|---|
| 292 | */ | 
|---|
| 293 | /*@observer@*/ const char * poptBadOption(/*@null@*/poptContext con, int flags) | 
|---|
| 294 | /*@*/; | 
|---|
| 295 |  | 
|---|
| 296 | /** \ingroup popt | 
|---|
| 297 | * Destroy context. | 
|---|
| 298 | * @param con           context | 
|---|
| 299 | * @return              NULL always | 
|---|
| 300 | */ | 
|---|
| 301 | /*@null@*/ poptContext poptFreeContext( /*@only@*/ /*@null@*/ poptContext con) | 
|---|
| 302 | /*@modifies con @*/; | 
|---|
| 303 |  | 
|---|
| 304 | /** \ingroup popt | 
|---|
| 305 | * Add arguments to context. | 
|---|
| 306 | * @param con           context | 
|---|
| 307 | * @param argv          argument array, NULL terminated | 
|---|
| 308 | * @return              0 on success, POPT_ERROR_OPTSTOODEEP on failure | 
|---|
| 309 | */ | 
|---|
| 310 | int poptStuffArgs(poptContext con, /*@keep@*/ const char ** argv) | 
|---|
| 311 | /*@modifies con @*/; | 
|---|
| 312 |  | 
|---|
| 313 | /** \ingroup popt | 
|---|
| 314 | * Add alias to context. | 
|---|
| 315 | * @todo Pass alias by reference, not value. | 
|---|
| 316 | * @deprecated Use poptAddItem instead. | 
|---|
| 317 | * @param con           context | 
|---|
| 318 | * @param alias         alias to add | 
|---|
| 319 | * @param flags         (unused) | 
|---|
| 320 | * @return              0 on success | 
|---|
| 321 | */ | 
|---|
| 322 | /*@unused@*/ | 
|---|
| 323 | int poptAddAlias(poptContext con, struct poptAlias alias, int flags) | 
|---|
| 324 | /*@modifies con @*/; | 
|---|
| 325 |  | 
|---|
| 326 | /** \ingroup popt | 
|---|
| 327 | * Add alias/exec item to context. | 
|---|
| 328 | * @param con           context | 
|---|
| 329 | * @param newItem       alias/exec item to add | 
|---|
| 330 | * @param flags         0 for alias, 1 for exec | 
|---|
| 331 | * @return              0 on success | 
|---|
| 332 | */ | 
|---|
| 333 | int poptAddItem(poptContext con, poptItem newItem, int flags) | 
|---|
| 334 | /*@modifies con @*/; | 
|---|
| 335 |  | 
|---|
| 336 | /** \ingroup popt | 
|---|
| 337 | * Read configuration file. | 
|---|
| 338 | * @param con           context | 
|---|
| 339 | * @param fn            file name to read | 
|---|
| 340 | * @return              0 on success, POPT_ERROR_ERRNO on failure | 
|---|
| 341 | */ | 
|---|
| 342 | int poptReadConfigFile(poptContext con, const char * fn) | 
|---|
| 343 | /*@globals fileSystem, internalState @*/ | 
|---|
| 344 | /*@modifies con->execs, con->numExecs, | 
|---|
| 345 | fileSystem, internalState @*/; | 
|---|
| 346 |  | 
|---|
| 347 | /** \ingroup popt | 
|---|
| 348 | * Read default configuration from /etc/popt and $HOME/.popt. | 
|---|
| 349 | * @param con           context | 
|---|
| 350 | * @param useEnv        (unused) | 
|---|
| 351 | * @return              0 on success, POPT_ERROR_ERRNO on failure | 
|---|
| 352 | */ | 
|---|
| 353 | int poptReadDefaultConfig(poptContext con, /*@unused@*/ int useEnv) | 
|---|
| 354 | /*@globals fileSystem, internalState @*/ | 
|---|
| 355 | /*@modifies con->execs, con->numExecs, | 
|---|
| 356 | fileSystem, internalState @*/; | 
|---|
| 357 |  | 
|---|
| 358 | /** \ingroup popt | 
|---|
| 359 | * Duplicate an argument array. | 
|---|
| 360 | * @note: The argument array is malloc'd as a single area, so only argv must | 
|---|
| 361 | * be free'd. | 
|---|
| 362 | * | 
|---|
| 363 | * @param argc          no. of arguments | 
|---|
| 364 | * @param argv          argument array | 
|---|
| 365 | * @retval argcPtr      address of returned no. of arguments | 
|---|
| 366 | * @retval argvPtr      address of returned argument array | 
|---|
| 367 | * @return              0 on success, POPT_ERROR_NOARG on failure | 
|---|
| 368 | */ | 
|---|
| 369 | int poptDupArgv(int argc, /*@null@*/ const char **argv, | 
|---|
| 370 | /*@null@*/ /*@out@*/ int * argcPtr, | 
|---|
| 371 | /*@null@*/ /*@out@*/ const char *** argvPtr) | 
|---|
| 372 | /*@modifies *argcPtr, *argvPtr @*/; | 
|---|
| 373 |  | 
|---|
| 374 | /** \ingroup popt | 
|---|
| 375 | * Parse a string into an argument array. | 
|---|
| 376 | * The parse allows ', ", and \ quoting, but ' is treated the same as " and | 
|---|
| 377 | * both may include \ quotes. | 
|---|
| 378 | * @note: The argument array is malloc'd as a single area, so only argv must | 
|---|
| 379 | * be free'd. | 
|---|
| 380 | * | 
|---|
| 381 | * @param s             string to parse | 
|---|
| 382 | * @retval argcPtr      address of returned no. of arguments | 
|---|
| 383 | * @retval argvPtr      address of returned argument array | 
|---|
| 384 | */ | 
|---|
| 385 | int poptParseArgvString(const char * s, | 
|---|
| 386 | /*@out@*/ int * argcPtr, /*@out@*/ const char *** argvPtr) | 
|---|
| 387 | /*@modifies *argcPtr, *argvPtr @*/; | 
|---|
| 388 |  | 
|---|
| 389 | /** \ingroup popt | 
|---|
| 390 | * Parses an input configuration file and returns an string that is a | 
|---|
| 391 | * command line.  For use with popt.  You must free the return value when done. | 
|---|
| 392 | * | 
|---|
| 393 | * Given the file: | 
|---|
| 394 | \verbatim | 
|---|
| 395 | # this line is ignored | 
|---|
| 396 | #   this one too | 
|---|
| 397 | aaa | 
|---|
| 398 | bbb | 
|---|
| 399 | ccc | 
|---|
| 400 | bla=bla | 
|---|
| 401 |  | 
|---|
| 402 | this_is   =   fdsafdas | 
|---|
| 403 | bad_line= | 
|---|
| 404 | reall bad line | 
|---|
| 405 | reall bad line  = again | 
|---|
| 406 | 5555=   55555 | 
|---|
| 407 | test = with lots of spaces | 
|---|
| 408 | \endverbatim | 
|---|
| 409 | * | 
|---|
| 410 | * The result is: | 
|---|
| 411 | \verbatim | 
|---|
| 412 | --aaa --bbb --ccc --bla="bla" --this_is="fdsafdas" --5555="55555" --test="with lots of spaces" | 
|---|
| 413 | \endverbatim | 
|---|
| 414 | * | 
|---|
| 415 | * Passing this to poptParseArgvString() yields an argv of: | 
|---|
| 416 | \verbatim | 
|---|
| 417 | '--aaa' | 
|---|
| 418 | '--bbb' | 
|---|
| 419 | '--ccc' | 
|---|
| 420 | '--bla=bla' | 
|---|
| 421 | '--this_is=fdsafdas' | 
|---|
| 422 | '--5555=55555' | 
|---|
| 423 | '--test=with lots of spaces' | 
|---|
| 424 | \endverbatim | 
|---|
| 425 | * | 
|---|
| 426 | * @bug NULL is returned if file line is too long. | 
|---|
| 427 | * @bug Silently ignores invalid lines. | 
|---|
| 428 | * | 
|---|
| 429 | * @param fp            file handle to read | 
|---|
| 430 | * @param *argstrp      return string of options (malloc'd) | 
|---|
| 431 | * @param flags         unused | 
|---|
| 432 | * @return              0 on success | 
|---|
| 433 | * @see                 poptParseArgvString | 
|---|
| 434 | */ | 
|---|
| 435 | /*@-fcnuse@*/ | 
|---|
| 436 | int poptConfigFileToString(FILE *fp, /*@out@*/ char ** argstrp, int flags) | 
|---|
| 437 | /*@globals fileSystem @*/ | 
|---|
| 438 | /*@modifies *fp, *argstrp, fileSystem @*/; | 
|---|
| 439 | /*@=fcnuse@*/ | 
|---|
| 440 |  | 
|---|
| 441 | /** \ingroup popt | 
|---|
| 442 | * Return formatted error string for popt failure. | 
|---|
| 443 | * @param error         popt error | 
|---|
| 444 | * @return              error string | 
|---|
| 445 | */ | 
|---|
| 446 | /*@observer@*/ const char* poptStrerror(const int error) | 
|---|
| 447 | /*@*/; | 
|---|
| 448 |  | 
|---|
| 449 | /** \ingroup popt | 
|---|
| 450 | * Limit search for executables. | 
|---|
| 451 | * @param con           context | 
|---|
| 452 | * @param path          single path to search for executables | 
|---|
| 453 | * @param allowAbsolute absolute paths only? | 
|---|
| 454 | */ | 
|---|
| 455 | void poptSetExecPath(poptContext con, const char * path, int allowAbsolute) | 
|---|
| 456 | /*@modifies con @*/; | 
|---|
| 457 |  | 
|---|
| 458 | /** \ingroup popt | 
|---|
| 459 | * Print detailed description of options. | 
|---|
| 460 | * @param con           context | 
|---|
| 461 | * @param fp            ouput file handle | 
|---|
| 462 | * @param flags         (unused) | 
|---|
| 463 | */ | 
|---|
| 464 | void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ int flags) | 
|---|
| 465 | /*@globals fileSystem @*/ | 
|---|
| 466 | /*@modifies *fp, fileSystem @*/; | 
|---|
| 467 |  | 
|---|
| 468 | /** \ingroup popt | 
|---|
| 469 | * Print terse description of options. | 
|---|
| 470 | * @param con           context | 
|---|
| 471 | * @param fp            ouput file handle | 
|---|
| 472 | * @param flags         (unused) | 
|---|
| 473 | */ | 
|---|
| 474 | void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ int flags) | 
|---|
| 475 | /*@globals fileSystem @*/ | 
|---|
| 476 | /*@modifies *fp, fileSystem @*/; | 
|---|
| 477 |  | 
|---|
| 478 | /** \ingroup popt | 
|---|
| 479 | * Provide text to replace default "[OPTION...]" in help/usage output. | 
|---|
| 480 | * @param con           context | 
|---|
| 481 | * @param text          replacement text | 
|---|
| 482 | */ | 
|---|
| 483 | /*@-fcnuse@*/ | 
|---|
| 484 | void poptSetOtherOptionHelp(poptContext con, const char * text) | 
|---|
| 485 | /*@modifies con @*/; | 
|---|
| 486 | /*@=fcnuse@*/ | 
|---|
| 487 |  | 
|---|
| 488 | /** \ingroup popt | 
|---|
| 489 | * Return argv[0] from context. | 
|---|
| 490 | * @param con           context | 
|---|
| 491 | * @return              argv[0] | 
|---|
| 492 | */ | 
|---|
| 493 | /*@-fcnuse@*/ | 
|---|
| 494 | /*@observer@*/ const char * poptGetInvocationName(poptContext con) | 
|---|
| 495 | /*@*/; | 
|---|
| 496 | /*@=fcnuse@*/ | 
|---|
| 497 |  | 
|---|
| 498 | /** \ingroup popt | 
|---|
| 499 | * Shuffle argv pointers to remove stripped args, returns new argc. | 
|---|
| 500 | * @param con           context | 
|---|
| 501 | * @param argc          no. of args | 
|---|
| 502 | * @param argv          arg vector | 
|---|
| 503 | * @return              new argc | 
|---|
| 504 | */ | 
|---|
| 505 | /*@-fcnuse@*/ | 
|---|
| 506 | int poptStrippedArgv(poptContext con, int argc, char ** argv) | 
|---|
| 507 | /*@modifies *argv @*/; | 
|---|
| 508 | /*@=fcnuse@*/ | 
|---|
| 509 |  | 
|---|
| 510 | /** | 
|---|
| 511 | * Save a long, performing logical operation with value. | 
|---|
| 512 | * @warning Alignment check may be too strict on certain platorms. | 
|---|
| 513 | * @param arg           integer pointer, aligned on int boundary. | 
|---|
| 514 | * @param argInfo       logical operation (see POPT_ARGFLAG_*) | 
|---|
| 515 | * @param aLong         value to use | 
|---|
| 516 | * @return              0 on success, POPT_ERROR_NULLARG/POPT_ERROR_BADOPERATION | 
|---|
| 517 | */ | 
|---|
| 518 | /*@-incondefs@*/ | 
|---|
| 519 | /*@unused@*/ | 
|---|
| 520 | int poptSaveLong(/*@null@*/ long * arg, int argInfo, long aLong) | 
|---|
| 521 | /*@modifies *arg @*/ | 
|---|
| 522 | /*@requires maxSet(arg) >= 0 /\ maxRead(arg) == 0 @*/; | 
|---|
| 523 | /*@=incondefs@*/ | 
|---|
| 524 |  | 
|---|
| 525 | /** | 
|---|
| 526 | * Save an integer, performing logical operation with value. | 
|---|
| 527 | * @warning Alignment check may be too strict on certain platorms. | 
|---|
| 528 | * @param arg           integer pointer, aligned on int boundary. | 
|---|
| 529 | * @param argInfo       logical operation (see POPT_ARGFLAG_*) | 
|---|
| 530 | * @param aLong         value to use | 
|---|
| 531 | * @return              0 on success, POPT_ERROR_NULLARG/POPT_ERROR_BADOPERATION | 
|---|
| 532 | */ | 
|---|
| 533 | /*@-incondefs@*/ | 
|---|
| 534 | /*@unused@*/ | 
|---|
| 535 | int poptSaveInt(/*@null@*/ int * arg, int argInfo, long aLong) | 
|---|
| 536 | /*@modifies *arg @*/ | 
|---|
| 537 | /*@requires maxSet(arg) >= 0 /\ maxRead(arg) == 0 @*/; | 
|---|
| 538 | /*@=incondefs@*/ | 
|---|
| 539 |  | 
|---|
| 540 | /*@=type@*/ | 
|---|
| 541 | #ifdef  __cplusplus | 
|---|
| 542 | } | 
|---|
| 543 | #endif | 
|---|
| 544 |  | 
|---|
| 545 | #endif | 
|---|