popt/poptint.h

   1 /** \ingroup popt
   2  * @file
   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_POPTINT
  10 #define H_POPTINT
  11
  12 #include <stdint.h>
  13
  14 /**
  15  * Wrapper to free(3), hides const compilation noise, permit NULL, return NULL.
  16  * @param p             memory to free
  17  * @retval              NULL always
  18  */
  19 static inline void *
  20 _free(const void * p)
  21 {
  22     if (p != NULL)      free((void *)p);
  23     return NULL;
  24 }
  25
  26 /* Bit mask macros. */
  27 typedef unsigned int __pbm_bits;
  28 #define __PBM_NBITS             (8 * sizeof (__pbm_bits))
  29 #define __PBM_IX(d)             ((d) / __PBM_NBITS)
  30 #define __PBM_MASK(d)           ((__pbm_bits) 1 << (((unsigned)(d)) % __PBM_NBITS))
  31 typedef struct {
  32     __pbm_bits bits[1];
  33 } pbm_set;
  34 #define __PBM_BITS(set) ((set)->bits)
  35
  36 #define PBM_ALLOC(d)    calloc(__PBM_IX (d) + 1, sizeof(pbm_set))
  37 #define PBM_FREE(s)     _free(s);
  38 #define PBM_SET(d, s)   (__PBM_BITS (s)[__PBM_IX (d)] |= __PBM_MASK (d))
  39 #define PBM_CLR(d, s)   (__PBM_BITS (s)[__PBM_IX (d)] &= ~__PBM_MASK (d))
  40 #define PBM_ISSET(d, s) ((__PBM_BITS (s)[__PBM_IX (d)] & __PBM_MASK (d)) != 0)
  41
  42 extern void poptJlu32lpair(const void *key, size_t size,
  43                 uint32_t *pc, uint32_t *pb);
  44
  45 /** \ingroup popt
  46  * Typedef's for string and array of strings.
  47  */
  48 typedef const char * poptString;
  49 typedef poptString * poptArgv;
  50
  51 /** \ingroup popt
  52  * A union to simplify opt->arg access without casting.
  53  */
  54 typedef union poptArg_u {
  55     void * ptr;
  56     int * intp;
  57     short * shortp;
  58     long * longp;
  59     long long * longlongp;
  60     float * floatp;
  61     double * doublep;
  62     const char ** argv;
  63     poptCallbackType cb;
  64     poptOption opt;
  65 } poptArg;
  66
  67 extern unsigned int _poptArgMask;
  68 extern unsigned int _poptGroupMask;
  69
  70 #define poptArgType(_opt)       ((_opt)->argInfo & _poptArgMask)
  71 #define poptGroup(_opt)         ((_opt)->argInfo & _poptGroupMask)
  72
  73 #define F_ISSET(_opt, _FLAG)    ((_opt)->argInfo & POPT_ARGFLAG_##_FLAG)
  74 #define LF_ISSET(_FLAG)         (argInfo & POPT_ARGFLAG_##_FLAG)
  75 #define CBF_ISSET(_opt, _FLAG)  ((_opt)->argInfo & POPT_CBFLAG_##_FLAG)
  76
  77 /* XXX sick hack to preserve pretense of a popt-1.x ABI. */
  78 #define poptSubstituteHelpI18N(opt) \
  79   { if ((opt) == poptHelpOptions) (opt) = poptHelpOptionsI18N; }
  80
  81 struct optionStackEntry {
  82     int argc;
  83     poptArgv argv;
  84     pbm_set * argb;
  85     int next;
  86     char * nextArg;
  87     const char * nextCharArg;
  88     poptItem currAlias;
  89     int stuffed;
  90 };
  91
  92 struct poptContext_s {
  93     struct optionStackEntry optionStack[POPT_OPTION_DEPTH];
  94     struct optionStackEntry * os;
  95     poptArgv leftovers;
  96     int numLeftovers;
  97     int allocLeftovers;
  98     int nextLeftover;
  99     const struct poptOption * options;
 100     int restLeftover;
 101     const char * appName;
 102     poptItem aliases;
 103     int numAliases;
 104     unsigned int flags;
 105     poptItem execs;
 106     int numExecs;
 107     char * execFail;
 108     poptArgv finalArgv;
 109     int finalArgvCount;
 110     int finalArgvAlloced;
 111     int (*maincall) (int argc, const char **argv);
 112     poptItem doExec;
 113     const char * execPath;
 114     int execAbsolute;
 115     const char * otherHelp;
 116     pbm_set * arg_strip;
 117 };
 118
 119 #if defined(POPT_fprintf)
 120 #define POPT_dgettext   dgettext
 121 #else
 122 #ifdef HAVE_ICONV
 123 #include <iconv.h>
 124 #endif
 125
 126 #if defined(HAVE_DCGETTEXT)
 127 char *POPT_dgettext(const char * dom, const char * str);
 128 #endif
 129
 130 FORMAT(printf, 2, 3)
 131 int   POPT_fprintf (FILE* stream, const char *format, ...);
 132 #endif  /* !defined(POPT_fprintf) */
 133
 134 const char *POPT_prev_char (const char *str);
 135 const char *POPT_next_char (const char *str);
 136
 137 #endif
 138
 139 #if defined(ENABLE_NLS) && defined(HAVE_LIBINTL_H)
 140 #include <libintl.h>
 141 #endif
 142
 143 #if defined(ENABLE_NLS) && defined(HAVE_GETTEXT)
 144 #define _(foo) gettext(foo)
 145 #else
 146 #define _(foo) foo
 147 #endif
 148
 149 #if defined(ENABLE_NLS) && defined(HAVE_LIBINTL_H) && defined(HAVE_DCGETTEXT)
 150 #define D_(dom, str) POPT_dgettext(dom, str)
 151 #define POPT_(foo) D_("popt", foo)
 152 #else
 153 #define D_(dom, str) str
 154 #define POPT_(foo) foo
 155 #endif
 156
 157 #define N_(foo) foo
 158