static
void
___kmp_env_blk_parse_unix(
kmp_env_blk_t * block, // M: Env block to fill.
char * * env // I: Unix environment to parse.
) {
char * bulk = NULL;
kmp_env_var_t * vars = NULL;
int count = 0;
int size = 0; // Size of bulk.
// Count number of variables and length of required bulk.
{
count = 0;
size = 0;
while ( env[ count ] != NULL ) {
size += KMP_STRLEN( env[ count ] ) + 1;
++ count;
}; // while
}
// Allocate memory.
bulk = (char *) allocate( size );
vars = (kmp_env_var_t *) allocate( count * sizeof( kmp_env_var_t ) );
// Loop thru all the vars.
{
char * var; // Pointer to beginning of var.
char * name; // Pointer to name of variable.
char * value; // Pointer to value.
int len; // Length of variable.
int i;
var = bulk;
for ( i = 0; i < count; ++ i ) {
// Copy variable to bulk.
len = KMP_STRLEN( env[ i ] );
KMP_MEMCPY_S( var, size, env[ i ], len + 1 );
// Save found variable in vars array.
__kmp_str_split( var, '=', & name, & value );
vars[ i ].name = name;
vars[ i ].value = value;
// Move pointer.
var += len + 1;
}; // for
}
// Fill out result.
block->bulk = bulk;
block->vars = vars;
block->count = count;
}; // ___kmp_env_blk_parse_unix
char *__kmp_env_get(char const *name) {
char *result = NULL;
#if KMP_OS_UNIX
char const *value = getenv(name);
if (value != NULL) {
size_t len = KMP_STRLEN(value) + 1;
result = (char *)KMP_INTERNAL_MALLOC(len);
if (result == NULL) {
KMP_FATAL(MemoryAllocFailed);
}
KMP_STRNCPY_S(result, len, value, len);
}
#elif KMP_OS_WINDOWS
/* We use GetEnvironmentVariable for Windows* OS instead of getenv because the
act of loading a DLL on Windows* OS makes any user-set environment
variables (i.e. with putenv()) unavailable. getenv() apparently gets a
clean copy of the env variables as they existed at the start of the run.
JH 12/23/2002 */
DWORD rc;
rc = GetEnvironmentVariable(name, NULL, 0);
if (!rc) {
DWORD error = GetLastError();
if (error != ERROR_ENVVAR_NOT_FOUND) {
__kmp_fatal(KMP_MSG(CantGetEnvVar, name), KMP_ERR(error), __kmp_msg_null);
}
// Variable is not found, it's ok, just continue.
} else {
DWORD len = rc;
result = (char *)KMP_INTERNAL_MALLOC(len);
if (result == NULL) {
KMP_FATAL(MemoryAllocFailed);
}
rc = GetEnvironmentVariable(name, result, len);
if (!rc) {
// GetEnvironmentVariable() may return 0 if variable is empty.
// In such a case GetLastError() returns ERROR_SUCCESS.
DWORD error = GetLastError();
if (error != ERROR_SUCCESS) {
// Unexpected error. The variable should be in the environment,
// and buffer should be large enough.
__kmp_fatal(KMP_MSG(CantGetEnvVar, name), KMP_ERR(error),
__kmp_msg_null);
KMP_INTERNAL_FREE((void *)result);
result = NULL;
}
}
}
#else
#error Unknown or unsupported OS.
#endif
return result;
} // func __kmp_env_get
kmp_msg_t
__kmp_msg_error_mesg(
char const * mesg
) {
kmp_msg_t msg;
msg.type = kmp_mt_syserr;
msg.num = 0;
msg.str = __kmp_str_format( "%s", mesg );
msg.len = KMP_STRLEN( msg.str );
return msg;
} // __kmp_msg_error_mesg
kmp_msg_t
__kmp_msg_error_code(
int code
) {
kmp_msg_t msg;
msg.type = kmp_mt_syserr;
msg.num = code;
msg.str = sys_error( code );
msg.len = KMP_STRLEN( msg.str );
return msg;
} // __kmp_msg_error_code
static void ___kmp_env_blk_parse_windows(
kmp_env_blk_t *block, // M: Env block to fill.
char const *env // I: Pointer to Windows* OS (DOS) environment block.
) {
char *bulk = NULL;
kmp_env_var_t *vars = NULL;
int count = 0; // Number of used elements in vars array.
int size = 0; // Size of bulk.
char *name; // Pointer to name of variable.
char *value; // Pointer to value.
if (env != NULL) {
// Loop thru all the vars in environment block. Count variables, find size
// of block.
{
char const *var; // Pointer to beginning of var.
int len; // Length of variable.
count = 0;
var =
env; // The first variable starts and beginning of environment block.
len = KMP_STRLEN(var);
while (len != 0) {
++count;
size = size + len + 1;
var = var + len +
1; // Move pointer to the beginning of the next variable.
len = KMP_STRLEN(var);
}
size =
size + 1; // Total size of env block, including terminating zero byte.
}
// Copy original block to bulk, we will modify bulk, not original block.
bulk = (char *)allocate(size);
KMP_MEMCPY_S(bulk, size, env, size);
// Allocate vars array.
vars = (kmp_env_var_t *)allocate(count * sizeof(kmp_env_var_t));
// Loop thru all the vars, now in bulk.
{
char *var; // Pointer to beginning of var.
int len; // Length of variable.
count = 0;
var = bulk;
len = KMP_STRLEN(var);
while (len != 0) {
// Save variable in vars array.
__kmp_str_split(var, '=', &name, &value);
vars[count].name = name;
vars[count].value = value;
++count;
// Get the next var.
var = var + len + 1;
len = KMP_STRLEN(var);
}
}
}
// Fill out result.
block->bulk = bulk;
block->vars = vars;
block->count = count;
}
