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/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
ftp://ftp.redhat.com/pub/code/popt */
#ifndef H_POPT
#define H_POPT
#include <stdio.h> /* for FILE * */
#define POPT_OPTION_DEPTH 10
#define POPT_ARG_NONE 0
#define POPT_ARG_STRING 1
#define POPT_ARG_INT 2
#define POPT_ARG_LONG 3
#define POPT_ARG_INCLUDE_TABLE 4 /* arg points to table */
#define POPT_ARG_CALLBACK 5 /* table-wide callback... must be
set first in table; arg points
to callback, descrip points to
callback data to pass */
#define POPT_ARG_MASK 0x0000FFFF
#define POPT_ARGFLAG_ONEDASH 0x80000000 /* allow -longoption */
#define POPT_ARGFLAG_DOC_HIDDEN 0x40000000 /* don't show in help/usage */
#define POPT_CBFLAG_PRE 0x80000000 /* call the callback before parse */
#define POPT_CBFLAG_POST 0x40000000 /* call the callback after parse */
#define POPT_CBFLAG_INC_DATA 0x20000000 /* use data from the include line,
not the subtable */
#define POPT_ERROR_NOARG -10
#define POPT_ERROR_BADOPT -11
#define POPT_ERROR_OPTSTOODEEP -13
#define POPT_ERROR_BADQUOTE -15 /* only from poptParseArgString() */
#define POPT_ERROR_ERRNO -16 /* only from poptParseArgString() */
#define POPT_ERROR_BADNUMBER -17
#define POPT_ERROR_OVERFLOW -18
/* poptBadOption() flags */
#define POPT_BADOPTION_NOALIAS (1 << 0) /* don't go into an alias */
/* poptGetContext() flags */
#define POPT_CONTEXT_NO_EXEC (1 << 0) /* ignore exec expansions */
#define POPT_CONTEXT_KEEP_FIRST (1 << 1) /* pay attention to argv[0] */
#define POPT_CONTEXT_POSIXMEHARDER (1 << 2) /* options can't follow args */
struct poptOption {
const char * longName; /* may be NULL */
char shortName; /* may be '\0' */
int argInfo;
void * arg; /* depends on argInfo */
int val; /* 0 means don't return, just update flag */
char * descrip; /* description for autohelp -- may be NULL */
char * argDescrip; /* argument description for autohelp */
};
struct poptAlias {
char * longName; /* may be NULL */
char shortName; /* may be '\0' */
int argc;
char ** argv; /* must be free()able */
};
extern struct poptOption poptHelpOptions[];
#define POPT_AUTOHELP { NULL, '\0', POPT_ARG_INCLUDE_TABLE, poptHelpOptions, \
0, "Help options", NULL },
typedef struct poptContext_s * poptContext;
#ifndef __cplusplus
typedef struct poptOption * poptOption;
#endif
enum poptCallbackReason { POPT_CALLBACK_REASON_PRE,
POPT_CALLBACK_REASON_POST,
POPT_CALLBACK_REASON_OPTION };
typedef void (*poptCallbackType)(poptContext con,
enum poptCallbackReason reason,
const struct poptOption * opt,
const char * arg, void * data);
poptContext poptGetContext(char * name, int argc, char ** argv,
const struct poptOption * options, int flags);
void poptResetContext(poptContext con);
/* returns 'val' element, -1 on last item, POPT_ERROR_* on error */
int poptGetNextOpt(poptContext con);
/* returns NULL if no argument is available */
char * poptGetOptArg(poptContext con);
/* returns NULL if no more options are available */
char * poptGetArg(poptContext con);
char * poptPeekArg(poptContext con);
char ** poptGetArgs(poptContext con);
/* returns the option which caused the most recent error */
char * poptBadOption(poptContext con, int flags);
void poptFreeContext(poptContext con);
int poptStuffArgs(poptContext con, char ** argv);
int poptAddAlias(poptContext con, struct poptAlias alias, int flags);
int poptReadConfigFile(poptContext con, char * fn);
/* like above, but reads /etc/popt and $HOME/.popt along with environment
vars */
int poptReadDefaultConfig(poptContext con, int useEnv);
/* argv should be freed -- this allows ', ", and \ quoting, but ' is treated
the same as " and both may include \ quotes */
int poptParseArgvString(char * s, int * argcPtr, char *** argvPtr);
const char * poptStrerror(const int error);
void poptSetExecPath(poptContext con, const char * path, int allowAbsolute);
void poptPrintHelp(poptContext con, FILE * f, int flags);
void poptPrintUsage(poptContext con, FILE * f, int flags);
void poptSetOtherOptionHelp(poptContext con, const char * text);
const char * poptGetInvocationName(poptContext con);
#endif
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