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#if defined( __VMS) && !defined( OPENSSL_NO_DECC_INIT) && \
defined( __DECC) && !defined( __VAX) && (__CRTL_VER >= 70301000)
# define USE_DECC_INIT 1
#endif
#ifdef USE_DECC_INIT
/*-
* 2010-04-26 SMS.
*
*----------------------------------------------------------------------
*
* decc_init()
*
* On non-VAX systems, uses LIB$INITIALIZE to set a collection of C
* RTL features without using the DECC$* logical name method.
*
*----------------------------------------------------------------------
*/
#include <stdio.h>
#include <stdlib.h>
#include <unixlib.h>
/* Global storage. */
/* Flag to sense if decc_init() was called. */
int decc_init_done = -1;
/* Structure to hold a DECC$* feature name and its desired value. */
typedef struct
{
char *name;
int value;
} decc_feat_t;
/* Array of DECC$* feature names and their desired values.
* Note: DECC$ARGV_PARSE_STYLE is the urgent one.
*/
decc_feat_t decc_feat_array[] =
{
/* Preserve command-line case with SET PROCESS/PARSE_STYLE=EXTENDED */
{ "DECC$ARGV_PARSE_STYLE", 1 },
/* Preserve case for file names on ODS5 disks. */
{ "DECC$EFS_CASE_PRESERVE", 1 },
/* Enable multiple dots (and most characters) in ODS5 file names,
* while preserving VMS-ness of ";version".
*/
{ "DECC$EFS_CHARSET", 1 },
/* List terminator. */
{ (char *)NULL, 0 }
};
/* LIB$INITIALIZE initialization function. */
static void decc_init( void)
{
char *openssl_debug_decc_init;
int verbose = 0;
int feat_index;
int feat_value;
int feat_value_max;
int feat_value_min;
int i;
int sts;
/* Get debug option. */
openssl_debug_decc_init = getenv( "OPENSSL_DEBUG_DECC_INIT");
if (openssl_debug_decc_init != NULL)
{
verbose = strtol( openssl_debug_decc_init, NULL, 10);
if (verbose <= 0)
{
verbose = 1;
}
}
/* Set the global flag to indicate that LIB$INITIALIZE worked. */
decc_init_done = 1;
/* Loop through all items in the decc_feat_array[]. */
for (i = 0; decc_feat_array[ i].name != NULL; i++)
{
/* Get the feature index. */
feat_index = decc$feature_get_index( decc_feat_array[ i].name);
if (feat_index >= 0)
{
/* Valid item. Collect its properties. */
feat_value = decc$feature_get_value( feat_index, 1);
feat_value_min = decc$feature_get_value( feat_index, 2);
feat_value_max = decc$feature_get_value( feat_index, 3);
/* Check the validity of our desired value. */
if ((decc_feat_array[ i].value >= feat_value_min) &&
(decc_feat_array[ i].value <= feat_value_max))
{
/* Valid value. Set it if necessary. */
if (feat_value != decc_feat_array[ i].value)
{
sts = decc$feature_set_value( feat_index,
1,
decc_feat_array[ i].value);
if (verbose > 1)
{
fprintf( stderr, " %s = %d, sts = %d.\n",
decc_feat_array[ i].name,
decc_feat_array[ i].value,
sts);
}
}
}
else
{
/* Invalid DECC feature value. */
fprintf( stderr,
" INVALID DECC$FEATURE VALUE, %d: %d <= %s <= %d.\n",
feat_value,
feat_value_min, decc_feat_array[ i].name, feat_value_max);
}
}
else
{
/* Invalid DECC feature name. */
fprintf( stderr,
" UNKNOWN DECC$FEATURE: %s.\n", decc_feat_array[ i].name);
}
}
if (verbose > 0)
{
fprintf( stderr, " DECC_INIT complete.\n");
}
}
/* Get "decc_init()" into a valid, loaded LIB$INITIALIZE PSECT. */
#pragma nostandard
/* Establish the LIB$INITIALIZE PSECTs, with proper alignment and
* other attributes. Note that "nopic" is significant only on VAX.
*/
#pragma extern_model save
#if __INITIAL_POINTER_SIZE == 64
# define PSECT_ALIGN 3
#else
# define PSECT_ALIGN 2
#endif
#pragma extern_model strict_refdef "LIB$INITIALIZ" PSECT_ALIGN, nopic, nowrt
const int spare[ 8] = { 0 };
#pragma extern_model strict_refdef "LIB$INITIALIZE" PSECT_ALIGN, nopic, nowrt
void (*const x_decc_init)() = decc_init;
#pragma extern_model restore
/* Fake reference to ensure loading the LIB$INITIALIZE PSECT. */
#pragma extern_model save
int LIB$INITIALIZE( void);
#pragma extern_model strict_refdef
int dmy_lib$initialize = (int) LIB$INITIALIZE;
#pragma extern_model restore
#pragma standard
#else /* def USE_DECC_INIT */
/* Dummy code to avoid a %CC-W-EMPTYFILE complaint. */
int decc_init_dummy( void);
#endif /* def USE_DECC_INIT */
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