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mpv/subopt-helper.h
reynaldo db5487225c marks some read-only char* inside structs as const, patch by Stefan Huehner, stefan At huehner-org
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19199 b3059339-0415-0410-9bf9-f77b7e298cf2
2006-07-27 17:35:06 +00:00

51 lines
1.4 KiB
C

#ifndef SUBOPT_HELPER_H
#define SUBOPT_HELPER_H
/**
* \file subopt-helper.h
*
* \brief Datatype and functions declarations for usage
* of the suboption parser.
*
*/
#define OPT_ARG_BOOL 0
#define OPT_ARG_INT 1
#define OPT_ARG_STR 2
#define OPT_ARG_MSTRZ 3 ///< A malloced, zero terminated string, use free()!
#define OPT_ARG_FLOAT 4
typedef int (*opt_test_f)(void *);
/** simple structure for defining the option name, type and storage location */
typedef struct opt_s
{
const char * name; ///< string that identifies the option
int type; ///< option type as defined in subopt-helper.h
void * valp; ///< pointer to the mem where the value should be stored
opt_test_f test; ///< argument test func ( optional )
int set; ///< Is set internally by the parser if the option was found.
///< Don't use it at initialization of your opts, it will be
///< overriden anyway!
} opt_t;
/** parses the string for the options specified in opt */
int subopt_parse( char const * const str, opt_t * opts );
/*------------------ arg specific types and declaration -------------------*/
typedef struct strarg_s
{
int len; ///< length of the string determined by the parser
char const * str; ///< pointer to position inside the parse string
} strarg_t;
int int_non_neg( int * i );
int int_pos( int * i );
int strargcmp(strarg_t *arg, const char *str);
int strargcasecmp(strarg_t *arg, char *str);
#endif