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Diffstat (limited to 'gcc-4.2.1/gcc/ada/argv.c')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/argv.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/gcc-4.2.1/gcc/ada/argv.c b/gcc-4.2.1/gcc/ada/argv.c new file mode 100644 index 000000000..fa54bceca --- /dev/null +++ b/gcc-4.2.1/gcc/ada/argv.c @@ -0,0 +1,111 @@ +/**************************************************************************** + * * + * GNAT COMPILER COMPONENTS * + * * + * A R G V * + * * + * C Implementation File * + * * + * Copyright (C) 1992-2003 Free Software Foundation, Inc. * + * * + * GNAT is free software; you can redistribute it and/or modify it under * + * terms of the GNU General Public License as published by the Free Soft- * + * ware Foundation; either version 2, or (at your option) any later ver- * + * sion. GNAT is distributed in the hope that it will be useful, but WITH- * + * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * + * for more details. You should have received a copy of the GNU General * + * Public License distributed with GNAT; see file COPYING. If not, write * + * to the Free Software Foundation, 51 Franklin Street, Fifth Floor, * + * Boston, MA 02110-1301, USA. * + * * + * As a special exception, if you link this file with other files to * + * produce an executable, this file does not by itself cause the resulting * + * executable to be covered by the GNU General Public License. This except- * + * ion does not however invalidate any other reasons why the executable * + * file might be covered by the GNU Public License. * + * * + * GNAT was originally developed by the GNAT team at New York University. * + * Extensive contributions were provided by Ada Core Technologies Inc. * + * * + ****************************************************************************/ + +/* Routines for accessing command line arguments from both the runtime + library and from the compiler itself. In the former case, gnat_argc + and gnat_argv are the original argc and argv values as stored by the + binder generated main program, and these routines are accessed from + the Ada.Command_Line package. In the compiler case, gnat_argc and + gnat_argv are the values as modified by toplev, and these routines + are accessed from the Osint package. */ + +/* Also routines for accessing the environment from the runtime library. + Gnat_envp is the original envp value as stored by the binder generated + main program, and these routines are accessed from the + Ada.Command_Line.Environment package. */ + +#ifdef IN_RTS +#include "tconfig.h" +#include "tsystem.h" +#include <sys/stat.h> +#else +#include "config.h" +#include "system.h" +#endif + +#include "adaint.h" + +/* argc and argv of the main program are saved under gnat_argc and gnat_argv, + envp of the main program is saved under gnat_envp. */ + +int gnat_argc = 0; +const char **gnat_argv = (const char **) 0; +const char **gnat_envp = (const char **) 0; + +#ifdef _WIN32 +/* Note that on Windows environment the environ point to a buffer that could + be reallocated if needed. It means that gnat_envp needs to be updated + before using gnat_envp to point to the right environment space */ +#include <stdlib.h> +/* for the environ variable definition */ +#define gnat_envp (environ) +#endif + +int +__gnat_arg_count (void) +{ + return gnat_argc; +} + +int +__gnat_len_arg (int arg_num) +{ + return strlen (gnat_argv[arg_num]); +} + +void +__gnat_fill_arg (char *a, int i) +{ + strncpy (a, gnat_argv[i], strlen(gnat_argv[i])); +} + +int +__gnat_env_count (void) +{ + int i; + + for (i = 0; gnat_envp[i]; i++) + ; + return i; +} + +int +__gnat_len_env (int env_num) +{ + return strlen (gnat_envp[env_num]); +} + +void +__gnat_fill_env (char *a, int i) +{ + strncpy (a, gnat_envp[i], strlen (gnat_envp[i])); +} |