diff options
Diffstat (limited to 'newlib/libc/include')
| -rw-r--r-- | newlib/libc/include/getopt.h | 86 |
1 files changed, 62 insertions, 24 deletions
diff --git a/newlib/libc/include/getopt.h b/newlib/libc/include/getopt.h index 7179298ae..7861ec300 100644 --- a/newlib/libc/include/getopt.h +++ b/newlib/libc/include/getopt.h @@ -82,6 +82,7 @@ Gregory Pietsch's current e-mail address: gpietsch@comcast.net ****************************************************************************/ + #ifndef GETOPT_H #define GETOPT_H @@ -90,30 +91,46 @@ gpietsch@comcast.net /* include files needed by this include file */ /* macros defined by this include file */ -#define NO_ARG 0 -#define REQUIRED_ARG 1 -#define OPTIONAL_ARG 2 - -/* types defined by this include file */ - -struct option -{ - char *name; /* the name of the long option */ - int has_arg; /* one of the above macros */ - int *flag; /* determines if getopt_long() returns a - * value for a long option; if it is - * non-NULL, 0 is returned as a function - * value and the value of val is stored in - * the area pointed to by flag. Otherwise, - * val is returned. */ - int val; /* determines the value to return if flag is - * NULL. */ -}; +#define NO_ARG 0 +#define REQUIRED_ARG 1 +#define OPTIONAL_ARG 2 + /* The GETOPT_DATA_INITIALIZER macro is used to initialize a statically- + allocated variable of type struct getopt_data. */ +#define GETOPT_DATA_INITIALIZER {0,0,0,0,0} + /* These #defines are to keep the namespace clear... */ +#define getopt_r __getopt_r +#define getopt_long_r __getopt_long_r +#define getopt_long_only_r __getopt_long_only_r #ifdef __cplusplus extern "C" { -#endif + +#endif /* __cplusplus */ + +/* types defined by this include file */ + struct option + { + char *name; /* the name of the long option */ + int has_arg; /* one of the above macros */ + int *flag; /* determines if getopt_long() returns a + * value for a long option; if it is + * non-NULL, 0 is returned as a function + * value and the value of val is stored in + * the area pointed to by flag. Otherwise, + * val is returned. */ + int val; /* determines the value to return if flag is + * NULL. */ + + }; + + /* The getopt_data structure is for reentrancy. Its members are similar to + the externally-defined variables. */ + typedef struct getopt_data + { + char *optarg; + int optind, opterr, optopt, optwhere; + } getopt_data; /* externally-defined variables */ extern char *optarg; @@ -122,14 +139,35 @@ extern "C" extern int optopt; /* function prototypes */ - int _EXFUN (getopt, (int __argc, char *const __argv[], const char *__optstring)); - int _EXFUN (getopt_long, (int __argc, char *const __argv[], const char *__shortopts, const struct option *__longopts, int *__longind)); - int _EXFUN (getopt_long_only, (int __argc, char *const __argv[], const char *__shortopts, const struct option *__longopts, int *__longind)); + int _EXFUN (getopt, + (int __argc, char *const __argv[], const char *__optstring)); + + int _EXFUN (getopt_long, + (int __argc, char *const __argv[], const char *__shortopts, + const struct option * __longopts, int *__longind)); + + int _EXFUN (getopt_long_only, + (int __argc, char *const __argv[], const char *__shortopts, + const struct option * __longopts, int *__longind)); + + int _EXFUN (__getopt_r, + (int __argc, char *const __argv[], const char *__optstring, + struct getopt_data * __data)); + + int _EXFUN (__getopt_long_r, + (int __argc, char *const __argv[], const char *__shortopts, + const struct option * __longopts, int *__longind, + struct getopt_data * __data)); + + int _EXFUN (__getopt_long_only_r, + (int __argc, char *const __argv[], const char *__shortopts, + const struct option * __longopts, int *__longind, + struct getopt_data * __data)); #ifdef __cplusplus }; -#endif +#endif /* __cplusplus */ #endif /* GETOPT_H */ |