| var.c (b97fa2ef508bb1cc99621edb8b6d03845b55b8bd) | var.c (afb033d5c4f01a464f57fe8e68d741246d9df492) |
|---|---|
| 1/*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Kenneth Almquist. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * | 1/*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Kenneth Almquist. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * |
| 36 * $Id$ | 36 * $Id: var.c,v 1.9 1997/02/22 13:58:47 peter Exp $ |
| 37 */ 38 39#ifndef lint 40static char const sccsid[] = "@(#)var.c 8.3 (Berkeley) 5/4/95"; 41#endif /* not lint */ 42 43#include <unistd.h> 44#include <stdlib.h> --- 711 unchanged lines hidden (view full) --- 756 757 758/* 759 * Find the appropriate entry in the hash table from the name. 760 */ 761 762STATIC struct var ** 763hashvar(p) | 37 */ 38 39#ifndef lint 40static char const sccsid[] = "@(#)var.c 8.3 (Berkeley) 5/4/95"; 41#endif /* not lint */ 42 43#include <unistd.h> 44#include <stdlib.h> --- 711 unchanged lines hidden (view full) --- 756 757 758/* 759 * Find the appropriate entry in the hash table from the name. 760 */ 761 762STATIC struct var ** 763hashvar(p) |
| 764 register char *p; | 764 char *p; |
| 765 { 766 unsigned int hashval; 767 768 hashval = ((unsigned char) *p) << 4; 769 while (*p && *p != '=') 770 hashval += (unsigned char) *p++; 771 return &vartab[hashval % VTABSIZE]; 772} 773 774 775 776/* 777 * Returns true if the two strings specify the same varable. The first 778 * variable name is terminated by '='; the second may be terminated by 779 * either '=' or '\0'. 780 */ 781 782STATIC int 783varequal(p, q) | 765 { 766 unsigned int hashval; 767 768 hashval = ((unsigned char) *p) << 4; 769 while (*p && *p != '=') 770 hashval += (unsigned char) *p++; 771 return &vartab[hashval % VTABSIZE]; 772} 773 774 775 776/* 777 * Returns true if the two strings specify the same varable. The first 778 * variable name is terminated by '='; the second may be terminated by 779 * either '=' or '\0'. 780 */ 781 782STATIC int 783varequal(p, q) |
| 784 register char *p, *q; | 784 char *p, *q; |
| 785 { 786 while (*p == *q++) { 787 if (*p++ == '=') 788 return 1; 789 } 790 if (*p == '=' && *(q - 1) == '\0') 791 return 1; 792 return 0; 793} | 785 { 786 while (*p == *q++) { 787 if (*p++ == '=') 788 return 1; 789 } 790 if (*p == '=' && *(q - 1) == '\0') 791 return 1; 792 return 0; 793} |