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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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