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/* do not edit automatically generated by mc from Environment. */
/* Environment.mod provides access to the environment settings of a process.
Copyright (C) 2001-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
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/>. */
#include "config.h"
#include "system.h"
#include <stdbool.h>
# if !defined (PROC_D)
# define PROC_D
typedef void (*PROC_t) (void);
typedef struct { PROC_t proc; } PROC;
# endif
#if defined(__cplusplus)
# undef NULL
# define NULL 0
#endif
#define _Environment_C
#include "GEnvironment.h"
# include "GSYSTEM.h"
# include "Glibc.h"
# include "GASCII.h"
# include "GStrLib.h"
/*
GetEnvironment - gets the environment variable Env and places
a copy of its value into string, dest.
It returns TRUE if the string Env was found in
the processes environment.
*/
extern "C" bool Environment_GetEnvironment (const char *Env_, unsigned int _Env_high, char *dest, unsigned int _dest_high);
/*
PutEnvironment - change or add an environment variable definition EnvDef.
TRUE is returned if the environment variable was
set or changed successfully.
*/
extern "C" bool Environment_PutEnvironment (const char *EnvDef_, unsigned int _EnvDef_high);
/*
GetEnvironment - gets the environment variable Env and places
a copy of its value into string, dest.
It returns TRUE if the string Env was found in
the processes environment.
*/
extern "C" bool Environment_GetEnvironment (const char *Env_, unsigned int _Env_high, char *dest, unsigned int _dest_high)
{
typedef char *GetEnvironment__T1;
unsigned int High;
unsigned int i;
GetEnvironment__T1 Addr;
char Env[_Env_high+1];
/* make a local copy of each unbounded array. */
memcpy (Env, Env_, _Env_high+1);
i = 0;
High = _dest_high;
Addr = static_cast<GetEnvironment__T1> (libc_getenv (const_cast<void*> (static_cast<const void*>(Env))));
while (((i < High) && (Addr != NULL)) && ((*Addr) != ASCII_nul))
{
const_cast<char *>(dest)[i] = (*Addr);
Addr += 1;
i += 1;
}
if (i < High)
{
const_cast<char *>(dest)[i] = ASCII_nul;
}
return Addr != NULL;
/* static analysis guarentees a RETURN statement will be used before here. */
__builtin_unreachable ();
}
/*
PutEnvironment - change or add an environment variable definition EnvDef.
TRUE is returned if the environment variable was
set or changed successfully.
*/
extern "C" bool Environment_PutEnvironment (const char *EnvDef_, unsigned int _EnvDef_high)
{
char EnvDef[_EnvDef_high+1];
/* make a local copy of each unbounded array. */
memcpy (EnvDef, EnvDef_, _EnvDef_high+1);
return (libc_putenv (const_cast<void*> (static_cast<const void*>(EnvDef)))) == 0;
/* static analysis guarentees a RETURN statement will be used before here. */
__builtin_unreachable ();
}
extern "C" void _M2_Environment_init (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
{
}
extern "C" void _M2_Environment_fini (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
{
}
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