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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [ada/] [argv.c] - Rev 414
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/**************************************************************************** * * * GNAT COMPILER COMPONENTS * * * * A R G V * * * * C Implementation File * * * * Copyright (C) 1992-2009, 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 3, 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. * * * * As a special exception under Section 7 of GPL version 3, you are granted * * additional permissions described in the GCC Runtime Library Exception, * * version 3.1, as published by the Free Software Foundation. * * * * You should have received a copy of the GNU General Public License and * * a copy of the GCC Runtime Library Exception along with this program; * * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see * * <http://www.gnu.org/licenses/>. * * * * 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; #if defined (_WIN32) && !defined (RTX) /* 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) { if (gnat_argv != NULL) return strlen (gnat_argv[arg_num]); else return 0; } void __gnat_fill_arg (char *a, int i) { if (gnat_argv != NULL) 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) { if (gnat_envp != NULL) return strlen (gnat_envp[env_num]); else return 0; } void __gnat_fill_env (char *a, int i) { if (gnat_envp != NULL) strncpy (a, gnat_envp[i], strlen (gnat_envp[i])); }
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