-/* crypto/cryptlib.c */
/* ====================================================================
* Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
*
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECDH support in OpenSSL originally developed by
+ * ECDH support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
+#include <openssl/opensslconf.h>
-#ifndef OPENSSL_NO_DEPRECATED
-static unsigned long (MS_FAR *id_callback)(void)=0;
+#if OPENSSL_API_COMPAT < 0x10000000L
+static unsigned long (*id_callback) (void) = 0;
#endif
-static void (MS_FAR *threadid_callback)(CRYPTO_THREADID *)=0;
+static void (*threadid_callback) (CRYPTO_THREADID *) = 0;
-/* the memset() here and in set_pointer() seem overkill, but for the sake of
- * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two
- * "equal" THREADID structs to not be memcmp()-identical. */
+/*
+ * the memset() here and in set_pointer() seem overkill, but for the sake of
+ * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause
+ * two "equal" THREADID structs to not be memcmp()-identical.
+ */
void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val)
- {
- memset(id, 0, sizeof(*id));
- id->val = val;
- }
+{
+ memset(id, 0, sizeof(*id));
+ id->val = val;
+}
static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 };
+
void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr)
- {
- unsigned char *dest = (void *)&id->val;
- unsigned int accum = 0;
- unsigned char dnum = sizeof(id->val);
+{
+ unsigned char *dest = (void *)&id->val;
+ unsigned int accum = 0;
+ unsigned char dnum = sizeof(id->val);
- memset(id, 0, sizeof(*id));
- id->ptr = ptr;
- if (sizeof(id->val) >= sizeof(id->ptr))
- {
- /* 'ptr' can be embedded in 'val' without loss of uniqueness */
- id->val = (unsigned long)id->ptr;
- return;
- }
- /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a
- * linear function over the bytes in 'ptr', the co-efficients of which
- * are a sequence of low-primes (hash_coeffs is an 8-element cycle) -
- * the starting prime for the sequence varies for each byte of 'val'
- * (unique polynomials unless pointers are >64-bit). For added spice,
- * the totals accumulate rather than restarting from zero, and the index
- * of the 'val' byte is added each time (position dependence). If I was
- * a black-belt, I'd scan big-endian pointers in reverse to give
- * low-order bits more play, but this isn't crypto and I'd prefer nobody
- * mistake it as such. Plus I'm lazy. */
- while (dnum--)
- {
- const unsigned char *src = (void *)&id->ptr;
- unsigned char snum = sizeof(id->ptr);
- while (snum--)
- accum += *(src++) * hash_coeffs[(snum + dnum) & 7];
- accum += dnum;
- *(dest++) = accum & 255;
- }
- }
+ memset(id, 0, sizeof(*id));
+ id->ptr = ptr;
+ if (sizeof(id->val) >= sizeof(id->ptr)) {
+ /*
+ * 'ptr' can be embedded in 'val' without loss of uniqueness
+ */
+ id->val = (size_t)id->ptr;
+ return;
+ }
+ /*
+ * hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a
+ * linear function over the bytes in 'ptr', the co-efficients of which
+ * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - the
+ * starting prime for the sequence varies for each byte of 'val' (unique
+ * polynomials unless pointers are >64-bit). For added spice, the totals
+ * accumulate rather than restarting from zero, and the index of the
+ * 'val' byte is added each time (position dependence). If I was a
+ * black-belt, I'd scan big-endian pointers in reverse to give low-order
+ * bits more play, but this isn't crypto and I'd prefer nobody mistake it
+ * as such. Plus I'm lazy.
+ */
+ while (dnum--) {
+ const unsigned char *src = (void *)&id->ptr;
+ unsigned char snum = sizeof(id->ptr);
+ while (snum--)
+ accum += *(src++) * hash_coeffs[(snum + dnum) & 7];
+ accum += dnum;
+ *(dest++) = accum & 255;
+ }
+}
-int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *))
- {
- if (threadid_callback)
- return 0;
- threadid_callback = func;
- return 1;
- }
+int CRYPTO_THREADID_set_callback(void (*func) (CRYPTO_THREADID *))
+{
+ if (threadid_callback)
+ return 0;
+ threadid_callback = func;
+ return 1;
+}
-void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *)
- {
- return threadid_callback;
- }
+void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *) {
+ return threadid_callback;
+}
void CRYPTO_THREADID_current(CRYPTO_THREADID *id)
- {
- if (threadid_callback)
- {
- threadid_callback(id);
- return;
- }
-#ifndef OPENSSL_NO_DEPRECATED
- /* If the deprecated callback was set, fall back to that */
- if (id_callback)
- {
- CRYPTO_THREADID_set_numeric(id, id_callback());
- return;
- }
+{
+ if (threadid_callback) {
+ threadid_callback(id);
+ return;
+ }
+#if OPENSSL_API_COMPAT < 0x10000000L
+ /* If the deprecated callback was set, fall back to that */
+ if (id_callback) {
+ CRYPTO_THREADID_set_numeric(id, id_callback());
+ return;
+ }
#endif
- /* Else pick a backup */
-#ifdef OPENSSL_SYS_WIN16
- CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask());
-#elif defined(OPENSSL_SYS_WIN32)
- CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId());
-#elif defined(OPENSSL_SYS_BEOS)
- CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL));
+ /* Else pick a backup */
+#if defined(OPENSSL_SYS_WIN32)
+ CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId());
#else
- /* For everything else, default to using the address of 'errno' */
- CRYPTO_THREADID_set_pointer(id, &errno);
+ /* For everything else, default to using the address of 'errno' */
+ CRYPTO_THREADID_set_pointer(id, (void *)&errno);
#endif
- }
+}
int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b)
- {
- return memcmp(a, b, sizeof(*a));
- }
+{
+ return memcmp(a, b, sizeof(*a));
+}
void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src)
- {
- memcpy(dest, src, sizeof(*src));
- }
+{
+ memcpy(dest, src, sizeof(*src));
+}
unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id)
- {
- return id->val;
- }
+{
+ return id->val;
+}
-#ifndef OPENSSL_NO_DEPRECATED
-unsigned long (*CRYPTO_get_id_callback(void))(void)
- {
- return(id_callback);
- }
+#if OPENSSL_API_COMPAT < 0x10000000L
+unsigned long (*CRYPTO_get_id_callback(void)) (void) {
+ return (id_callback);
+}
-void CRYPTO_set_id_callback(unsigned long (*func)(void))
- {
- id_callback=func;
- }
+void CRYPTO_set_id_callback(unsigned long (*func) (void))
+{
+ id_callback = func;
+}
unsigned long CRYPTO_thread_id(void)
- {
- unsigned long ret=0;
+{
+ unsigned long ret = 0;
- if (id_callback == NULL)
- {
-#ifdef OPENSSL_SYS_WIN16
- ret=(unsigned long)GetCurrentTask();
-#elif defined(OPENSSL_SYS_WIN32)
- ret=(unsigned long)GetCurrentThreadId();
-#elif defined(GETPID_IS_MEANINGLESS)
- ret=1L;
-#elif defined(OPENSSL_SYS_BEOS)
- ret=(unsigned long)find_thread(NULL);
-#else
- ret=(unsigned long)getpid();
-#endif
- }
- else
- ret=id_callback();
- return(ret);
- }
+ if (id_callback == NULL) {
+# if defined(OPENSSL_SYS_WIN32)
+ ret = (unsigned long)GetCurrentThreadId();
+# elif defined(GETPID_IS_MEANINGLESS)
+ ret = 1L;
+# else
+ ret = (unsigned long)getpid();
+# endif
+ } else
+ ret = id_callback();
+ return (ret);
+}
#endif
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