popt/poptint.h

   1 /** \ingroup popt
   2  * \file popt/poptint.h
   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 /**
  13  * Wrapper to free(3), hides const compilation noise, permit NULL, return NULL.
  14  * @param p             memory to free
  15  * @retval              NULL always
  16  */
  17 /*@unused@*/ static inline /*@null@*/ void *
  18 _free(/*@only@*/ /*@null@*/ const void * p)
  19         /*@modifies p @*/
  20 {
  21     if (p != NULL)      free((void *)p);
  22     return NULL;
  23 }
  24
  25 static inline int
  26 isSpace(const char *ptr)
  27 {
  28     return isspace(*(unsigned char *)ptr);
  29 }
  30
  31 /* Bit mask macros. */
  32 /*@-exporttype -redef @*/
  33 typedef unsigned int __pbm_bits;
  34 /*@=exporttype =redef @*/
  35 #define __PBM_NBITS             (8 * sizeof (__pbm_bits))
  36 #define __PBM_IX(d)             ((d) / __PBM_NBITS)
  37 #define __PBM_MASK(d)           ((__pbm_bits) 1 << (((unsigned)(d)) % __PBM_NBITS))
  38 /*@-exporttype -redef @*/
  39 typedef struct {
  40     __pbm_bits bits[1];
  41 } pbm_set;
  42 /*@=exporttype =redef @*/
  43 #define __PBM_BITS(set) ((set)->bits)
  44
  45 #define PBM_ALLOC(d)    calloc(__PBM_IX (d) + 1, sizeof(__pbm_bits))
  46 #define PBM_FREE(s)     _free(s);
  47 #define PBM_SET(d, s)   (__PBM_BITS (s)[__PBM_IX (d)] |= __PBM_MASK (d))
  48 #define PBM_CLR(d, s)   (__PBM_BITS (s)[__PBM_IX (d)] &= ~__PBM_MASK (d))
  49 #define PBM_ISSET(d, s) ((__PBM_BITS (s)[__PBM_IX (d)] & __PBM_MASK (d)) != 0)
  50
  51 struct optionStackEntry {
  52     int argc;
  53 /*@only@*/ /*@null@*/
  54     const char ** argv;
  55 /*@only@*/ /*@null@*/
  56     pbm_set * argb;
  57     int next;
  58 /*@only@*/ /*@null@*/
  59     const char * nextArg;
  60 /*@observer@*/ /*@null@*/
  61     const char * nextCharArg;
  62 /*@dependent@*/ /*@null@*/
  63     poptItem currAlias;
  64     int stuffed;
  65 };
  66
  67 struct poptContext_s {
  68     struct optionStackEntry optionStack[POPT_OPTION_DEPTH];
  69 /*@dependent@*/
  70     struct optionStackEntry * os;
  71 /*@owned@*/ /*@null@*/
  72     const char ** leftovers;
  73     int numLeftovers;
  74     int nextLeftover;
  75 /*@keep@*/
  76     const struct poptOption * options;
  77     int restLeftover;
  78 /*@only@*/ /*@null@*/
  79     const char * appName;
  80 /*@only@*/ /*@null@*/
  81     poptItem aliases;
  82     int numAliases;
  83     int flags;
  84 /*@owned@*/ /*@null@*/
  85     poptItem execs;
  86     int numExecs;
  87 /*@only@*/ /*@null@*/
  88     const char ** finalArgv;
  89     int finalArgvCount;
  90     int finalArgvAlloced;
  91 /*@dependent@*/ /*@null@*/
  92     poptItem doExec;
  93 /*@only@*/
  94     const char * execPath;
  95     int execAbsolute;
  96 /*@only@*/ /*@relnull@*/
  97     const char * otherHelp;
  98 /*@null@*/
  99     pbm_set * arg_strip;
 100 };
 101
 102 #ifdef HAVE_LIBINTL_H
 103 #include <libintl.h>
 104 #endif
 105
 106 #if defined(HAVE_GETTEXT) && !defined(__LCLINT__)
 107 #define _(foo) gettext(foo)
 108 #else
 109 #define _(foo) foo
 110 #endif
 111
 112 #if defined(HAVE_DCGETTEXT) && !defined(__LCLINT__)
 113 #define D_(dom, str) dgettext(dom, str)
 114 #define POPT_(foo) D_("popt", foo)
 115 #else
 116 #define D_(dom, str) str
 117 #define POPT_(foo) foo
 118 #endif
 119
 120 #define N_(foo) foo
 121
 122 #endif