diff options
Diffstat (limited to 'third_party/dav1d/include/compat/getopt.h')
| -rw-r--r-- | third_party/dav1d/include/compat/getopt.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/third_party/dav1d/include/compat/getopt.h b/third_party/dav1d/include/compat/getopt.h new file mode 100644 index 0000000000..930e002a13 --- /dev/null +++ b/third_party/dav1d/include/compat/getopt.h @@ -0,0 +1,95 @@ +#ifndef __GETOPT_H__ +/** + * DISCLAIMER + * This file has no copyright assigned and is placed in the Public Domain. + * This file is part of the mingw-w64 runtime package. + * + * The mingw-w64 runtime package and its code is distributed in the hope that it + * will be useful but WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESSED OR + * IMPLIED ARE HEREBY DISCLAIMED. This includes but is not limited to + * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + */ + +#define __GETOPT_H__ + +/* All the headers include this file. */ +#include <crtdefs.h> + +#ifdef __cplusplus +extern "C" { +#endif + +extern int optind; /* index of first non-option in argv */ +extern int optopt; /* single option character, as parsed */ +extern int opterr; /* flag to enable built-in diagnostics... */ + /* (user may set to zero, to suppress) */ + +extern char *optarg; /* pointer to argument of current option */ + +extern int getopt(int nargc, char * const *nargv, const char *options); + +#ifdef _BSD_SOURCE +/* + * BSD adds the non-standard `optreset' feature, for reinitialisation + * of `getopt' parsing. We support this feature, for applications which + * proclaim their BSD heritage, before including this header; however, + * to maintain portability, developers are advised to avoid it. + */ +# define optreset __mingw_optreset +extern int optreset; +#endif +#ifdef __cplusplus +} +#endif +/* + * POSIX requires the `getopt' API to be specified in `unistd.h'; + * thus, `unistd.h' includes this header. However, we do not want + * to expose the `getopt_long' or `getopt_long_only' APIs, when + * included in this manner. Thus, close the standard __GETOPT_H__ + * declarations block, and open an additional __GETOPT_LONG_H__ + * specific block, only when *not* __UNISTD_H_SOURCED__, in which + * to declare the extended API. + */ +#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) +#define __GETOPT_LONG_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +struct option /* specification for a long form option... */ +{ + const char *name; /* option name, without leading hyphens */ + int has_arg; /* does it take an argument? */ + int *flag; /* where to save its status, or NULL */ + int val; /* its associated status value */ +}; + +enum /* permitted values for its `has_arg' field... */ +{ + no_argument = 0, /* option never takes an argument */ + required_argument, /* option always requires an argument */ + optional_argument /* option may take an argument */ +}; + +extern int getopt_long(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx); +extern int getopt_long_only(int nargc, char * const *nargv, const char *options, + const struct option *long_options, int *idx); +/* + * Previous MinGW implementation had... + */ +#ifndef HAVE_DECL_GETOPT +/* + * ...for the long form API only; keep this for compatibility. + */ +# define HAVE_DECL_GETOPT 1 +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */ + +#endif /* !defined(__GETOPT_H__) */ |