From 4e3116ba582489ffb124277aa36dfb5a1570558c Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Fri, 1 Oct 2010 22:54:20 +0000 Subject: This commit was manufactured by cvs2git to create tag 'openssh_1_0_0_a'. --- src/lib/libcrypto/pqueue/Makefile | 83 ++++++++++++ src/lib/libcrypto/pqueue/pq_compat.h | 152 --------------------- src/lib/libcrypto/pqueue/pq_test.c | 95 +++++++++++++ src/lib/libcrypto/pqueue/pqueue.c | 253 +++++++++++++++++++++++++++++++++++ src/lib/libcrypto/pqueue/pqueue.h | 94 +++++++++++++ 5 files changed, 525 insertions(+), 152 deletions(-) create mode 100644 src/lib/libcrypto/pqueue/Makefile delete mode 100644 src/lib/libcrypto/pqueue/pq_compat.h create mode 100644 src/lib/libcrypto/pqueue/pq_test.c create mode 100644 src/lib/libcrypto/pqueue/pqueue.c create mode 100644 src/lib/libcrypto/pqueue/pqueue.h (limited to 'src/lib/libcrypto/pqueue') diff --git a/src/lib/libcrypto/pqueue/Makefile b/src/lib/libcrypto/pqueue/Makefile new file mode 100644 index 0000000000..fb36a0c876 --- /dev/null +++ b/src/lib/libcrypto/pqueue/Makefile @@ -0,0 +1,83 @@ +# +# OpenSSL/crypto/pqueue/Makefile +# + +DIR= pqueue +TOP= ../.. +CC= cc +INCLUDES= +CFLAG=-g +MAKEFILE= Makefile +AR= ar r + +CFLAGS= $(INCLUDES) $(CFLAG) + +GENERAL=Makefile +TEST= +APPS= + +LIB=$(TOP)/libcrypto.a +LIBSRC=pqueue.c +LIBOBJ=pqueue.o + +SRC= $(LIBSRC) + +EXHEADER= pqueue.h +HEADER= $(EXHEADER) + +ALL= $(GENERAL) $(SRC) $(HEADER) + +top: + (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all) + +all: lib + +lib: $(LIBOBJ) + $(AR) $(LIB) $(LIBOBJ) + $(RANLIB) $(LIB) || echo Never mind. + @touch lib + +files: + $(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO + +links: + @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER) + @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST) + @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS) + +install: + @[ -n "$(INSTALLTOP)" ] # should be set by top Makefile... + @headerlist="$(EXHEADER)"; for i in $$headerlist ; \ + do \ + (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \ + chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \ + done; + +tags: + ctags $(SRC) + +tests: + +lint: + lint -DLINT $(INCLUDES) $(SRC)>fluff + +depend: + @[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile... + $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC) + +dclean: + $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new + mv -f Makefile.new $(MAKEFILE) + +clean: + rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff + +# DO NOT DELETE THIS LINE -- make depend depends on it. + +pqueue.o: ../../e_os.h ../../include/openssl/bio.h ../../include/openssl/bn.h +pqueue.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h +pqueue.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h +pqueue.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h +pqueue.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h +pqueue.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h +pqueue.o: ../../include/openssl/symhacks.h ../cryptlib.h pqueue.c pqueue.h diff --git a/src/lib/libcrypto/pqueue/pq_compat.h b/src/lib/libcrypto/pqueue/pq_compat.h deleted file mode 100644 index 7b2c32725c..0000000000 --- a/src/lib/libcrypto/pqueue/pq_compat.h +++ /dev/null @@ -1,152 +0,0 @@ -/* crypto/pqueue/pqueue_compat.h */ -/* - * DTLS implementation written by Nagendra Modadugu - * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. - */ -/* ==================================================================== - * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * 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 - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#ifndef HEADER_PQ_COMPAT_H -#define HEADER_PQ_COMPAT_H - -#include -#include - -/* - * The purpose of this header file is for supporting 64-bit integer - * manipulation on 32-bit (and lower) machines. Currently the only - * such environment is VMS, Utrix and those with smaller default integer - * sizes than 32 bits. For all such environment, we fall back to using - * BIGNUM. We may need to fine tune the conditions for systems that - * are incorrectly configured. - * - * The only clients of this code are (1) pqueue for priority, and - * (2) DTLS, for sequence number manipulation. - */ - -#if (defined(THIRTY_TWO_BIT) && !defined(BN_LLONG)) || defined(SIXTEEN_BIT) || defined(EIGHT_BIT) - -#define PQ_64BIT_IS_INTEGER 0 -#define PQ_64BIT_IS_BIGNUM 1 - -#define PQ_64BIT BIGNUM -#define PQ_64BIT_CTX BN_CTX - -#define pq_64bit_init(x) BN_init(x) -#define pq_64bit_free(x) BN_free(x) - -#define pq_64bit_ctx_new(ctx) BN_CTX_new() -#define pq_64bit_ctx_free(x) BN_CTX_free(x) - -#define pq_64bit_assign(x, y) BN_copy(x, y) -#define pq_64bit_assign_word(x, y) BN_set_word(x, y) -#define pq_64bit_gt(x, y) BN_ucmp(x, y) >= 1 ? 1 : 0 -#define pq_64bit_eq(x, y) BN_ucmp(x, y) == 0 ? 1 : 0 -#define pq_64bit_add_word(x, w) BN_add_word(x, w) -#define pq_64bit_sub(r, x, y) BN_sub(r, x, y) -#define pq_64bit_sub_word(x, w) BN_sub_word(x, w) -#define pq_64bit_mod(r, x, n, ctx) BN_mod(r, x, n, ctx) - -#define pq_64bit_bin2num(bn, bytes, len) BN_bin2bn(bytes, len, bn) -#define pq_64bit_num2bin(bn, bytes) BN_bn2bin(bn, bytes) -#define pq_64bit_get_word(x) BN_get_word(x) -#define pq_64bit_is_bit_set(x, offset) BN_is_bit_set(x, offset) -#define pq_64bit_lshift(r, x, shift) BN_lshift(r, x, shift) -#define pq_64bit_set_bit(x, num) BN_set_bit(x, num) -#define pq_64bit_get_length(x) BN_num_bits((x)) - -#else - -#define PQ_64BIT_IS_INTEGER 1 -#define PQ_64BIT_IS_BIGNUM 0 - -#if defined(SIXTY_FOUR_BIT) -#define PQ_64BIT BN_ULONG -#define PQ_64BIT_PRINT "%lld" -#elif defined(SIXTY_FOUR_BIT_LONG) -#define PQ_64BIT BN_ULONG -#define PQ_64BIT_PRINT "%ld" -#elif defined(THIRTY_TWO_BIT) -#define PQ_64BIT BN_ULLONG -#define PQ_64BIT_PRINT "%lld" -#endif - -#define PQ_64BIT_CTX void - -#define pq_64bit_init(x) -#define pq_64bit_free(x) -#define pq_64bit_ctx_new(ctx) (ctx) -#define pq_64bit_ctx_free(x) - -#define pq_64bit_assign(x, y) (*(x) = *(y)) -#define pq_64bit_assign_word(x, y) (*(x) = y) -#define pq_64bit_gt(x, y) (*(x) > *(y)) -#define pq_64bit_eq(x, y) (*(x) == *(y)) -#define pq_64bit_add_word(x, w) (*(x) = (*(x) + (w))) -#define pq_64bit_sub(r, x, y) (*(r) = (*(x) - *(y))) -#define pq_64bit_sub_word(x, w) (*(x) = (*(x) - (w))) -#define pq_64bit_mod(r, x, n, ctx) - -#define pq_64bit_bin2num(num, bytes, len) bytes_to_long_long(bytes, num) -#define pq_64bit_num2bin(num, bytes) long_long_to_bytes(num, bytes) -#define pq_64bit_get_word(x) *(x) -#define pq_64bit_lshift(r, x, shift) (*(r) = (*(x) << (shift))) -#define pq_64bit_set_bit(x, num) do { \ - PQ_64BIT mask = 1; \ - mask = mask << (num); \ - *(x) |= mask; \ - } while(0) -#endif /* OPENSSL_SYS_VMS */ - -#endif diff --git a/src/lib/libcrypto/pqueue/pq_test.c b/src/lib/libcrypto/pqueue/pq_test.c new file mode 100644 index 0000000000..8d496dfc65 --- /dev/null +++ b/src/lib/libcrypto/pqueue/pq_test.c @@ -0,0 +1,95 @@ +/* crypto/pqueue/pq_test.c */ +/* + * DTLS implementation written by Nagendra Modadugu + * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. + */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * 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 + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include "pqueue.h" + +int +main(void) + { + pitem *item; + pqueue pq; + + pq = pqueue_new(); + + item = pitem_new(3, NULL); + pqueue_insert(pq, item); + + item = pitem_new(1, NULL); + pqueue_insert(pq, item); + + item = pitem_new(2, NULL); + pqueue_insert(pq, item); + + item = pqueue_find(pq, 1); + fprintf(stderr, "found %ld\n", item->priority); + + item = pqueue_find(pq, 2); + fprintf(stderr, "found %ld\n", item->priority); + + item = pqueue_find(pq, 3); + fprintf(stderr, "found %ld\n", item ? item->priority: 0); + + pqueue_print(pq); + + for(item = pqueue_pop(pq); item != NULL; item = pqueue_pop(pq)) + pitem_free(item); + + pqueue_free(pq); + return 0; + } diff --git a/src/lib/libcrypto/pqueue/pqueue.c b/src/lib/libcrypto/pqueue/pqueue.c new file mode 100644 index 0000000000..99a6fb874d --- /dev/null +++ b/src/lib/libcrypto/pqueue/pqueue.c @@ -0,0 +1,253 @@ +/* crypto/pqueue/pqueue.c */ +/* + * DTLS implementation written by Nagendra Modadugu + * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. + */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * 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 + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include "cryptlib.h" +#include +#include "pqueue.h" + +typedef struct _pqueue + { + pitem *items; + int count; + } pqueue_s; + +pitem * +pitem_new(unsigned char *prio64be, void *data) + { + pitem *item = (pitem *) OPENSSL_malloc(sizeof(pitem)); + if (item == NULL) return NULL; + + memcpy(item->priority,prio64be,sizeof(item->priority)); + + item->data = data; + item->next = NULL; + + return item; + } + +void +pitem_free(pitem *item) + { + if (item == NULL) return; + + OPENSSL_free(item); + } + +pqueue_s * +pqueue_new() + { + pqueue_s *pq = (pqueue_s *) OPENSSL_malloc(sizeof(pqueue_s)); + if (pq == NULL) return NULL; + + memset(pq, 0x00, sizeof(pqueue_s)); + return pq; + } + +void +pqueue_free(pqueue_s *pq) + { + if (pq == NULL) return; + + OPENSSL_free(pq); + } + +pitem * +pqueue_insert(pqueue_s *pq, pitem *item) + { + pitem *curr, *next; + + if (pq->items == NULL) + { + pq->items = item; + return item; + } + + for(curr = NULL, next = pq->items; + next != NULL; + curr = next, next = next->next) + { + /* we can compare 64-bit value in big-endian encoding + * with memcmp:-) */ + int cmp = memcmp(next->priority, item->priority,8); + if (cmp > 0) /* next > item */ + { + item->next = next; + + if (curr == NULL) + pq->items = item; + else + curr->next = item; + + return item; + } + + else if (cmp == 0) /* duplicates not allowed */ + return NULL; + } + + item->next = NULL; + curr->next = item; + + return item; + } + +pitem * +pqueue_peek(pqueue_s *pq) + { + return pq->items; + } + +pitem * +pqueue_pop(pqueue_s *pq) + { + pitem *item = pq->items; + + if (pq->items != NULL) + pq->items = pq->items->next; + + return item; + } + +pitem * +pqueue_find(pqueue_s *pq, unsigned char *prio64be) + { + pitem *next, *prev = NULL; + pitem *found = NULL; + + if ( pq->items == NULL) + return NULL; + + for ( next = pq->items; next->next != NULL; + prev = next, next = next->next) + { + if ( memcmp(next->priority, prio64be,8) == 0) + { + found = next; + break; + } + } + + /* check the one last node */ + if ( memcmp(next->priority, prio64be,8) ==0) + found = next; + + if ( ! found) + return NULL; + +#if 0 /* find works in peek mode */ + if ( prev == NULL) + pq->items = next->next; + else + prev->next = next->next; +#endif + + return found; + } + +void +pqueue_print(pqueue_s *pq) + { + pitem *item = pq->items; + + while(item != NULL) + { + printf("item\t%02x%02x%02x%02x%02x%02x%02x%02x\n", + item->priority[0],item->priority[1], + item->priority[2],item->priority[3], + item->priority[4],item->priority[5], + item->priority[6],item->priority[7]); + item = item->next; + } + } + +pitem * +pqueue_iterator(pqueue_s *pq) + { + return pqueue_peek(pq); + } + +pitem * +pqueue_next(pitem **item) + { + pitem *ret; + + if ( item == NULL || *item == NULL) + return NULL; + + + /* *item != NULL */ + ret = *item; + *item = (*item)->next; + + return ret; + } + +int +pqueue_size(pqueue_s *pq) +{ + pitem *item = pq->items; + int count = 0; + + while(item != NULL) + { + count++; + item = item->next; + } + return count; +} diff --git a/src/lib/libcrypto/pqueue/pqueue.h b/src/lib/libcrypto/pqueue/pqueue.h new file mode 100644 index 0000000000..87fc9037c8 --- /dev/null +++ b/src/lib/libcrypto/pqueue/pqueue.h @@ -0,0 +1,94 @@ +/* crypto/pqueue/pqueue.h */ +/* + * DTLS implementation written by Nagendra Modadugu + * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. + */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * 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 + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#ifndef HEADER_PQUEUE_H +#define HEADER_PQUEUE_H + +#include +#include +#include + +typedef struct _pqueue *pqueue; + +typedef struct _pitem + { + unsigned char priority[8]; /* 64-bit value in big-endian encoding */ + void *data; + struct _pitem *next; + } pitem; + +typedef struct _pitem *piterator; + +pitem *pitem_new(unsigned char *prio64be, void *data); +void pitem_free(pitem *item); + +pqueue pqueue_new(void); +void pqueue_free(pqueue pq); + +pitem *pqueue_insert(pqueue pq, pitem *item); +pitem *pqueue_peek(pqueue pq); +pitem *pqueue_pop(pqueue pq); +pitem *pqueue_find(pqueue pq, unsigned char *prio64be); +pitem *pqueue_iterator(pqueue pq); +pitem *pqueue_next(piterator *iter); + +void pqueue_print(pqueue pq); +int pqueue_size(pqueue pq); + +#endif /* ! HEADER_PQUEUE_H */ -- cgit v1.2.3-55-g6feb