| subr_hints.c (95592) | subr_hints.c (95593) |
|---|---|
| 1/*- 2 * Copyright (c) 2000,2001 Peter Wemm <peter@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * | 1/*- 2 * Copyright (c) 2000,2001 Peter Wemm <peter@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * |
| 26 * $FreeBSD: head/sys/kern/subr_hints.c 95592 2002-04-27 22:25:13Z peter $ | 26 * $FreeBSD: head/sys/kern/subr_hints.c 95593 2002-04-27 22:32:57Z peter $ |
| 27 */ 28 29#include <sys/param.h> 30#include <sys/lock.h> 31#include <sys/sx.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35/* 36 * Access functions for device resources. 37 */ 38 39static int checkmethod = 1; | 27 */ 28 29#include <sys/param.h> 30#include <sys/lock.h> 31#include <sys/sx.h> 32#include <sys/systm.h> 33#include <sys/bus.h> 34 35/* 36 * Access functions for device resources. 37 */ 38 39static int checkmethod = 1; |
| 40static int use_kenv; |
|
| 40static char *hintp; 41 42/* 43 * Evil wildcarding resource string lookup. 44 * This walks the supplied env string table and returns a match. 45 * The start point can be remembered for incremental searches. 46 */ 47static int 48res_find(int *line, int *startln, 49 const char *name, int *unit, const char *resname, const char *value, 50 const char **ret_name, int *ret_namelen, int *ret_unit, 51 const char **ret_resname, int *ret_resnamelen, const char **ret_value) 52{ | 41static char *hintp; 42 43/* 44 * Evil wildcarding resource string lookup. 45 * This walks the supplied env string table and returns a match. 46 * The start point can be remembered for incremental searches. 47 */ 48static int 49res_find(int *line, int *startln, 50 const char *name, int *unit, const char *resname, const char *value, 51 const char **ret_name, int *ret_namelen, int *ret_unit, 52 const char **ret_resname, int *ret_resnamelen, const char **ret_value) 53{ |
| 53 int n = 0, hit, use_kenv, i = 0; | 54 int n = 0, hit, i = 0; |
| 54 char r_name[32]; 55 int r_unit; 56 char r_resname[32]; 57 char r_value[128]; 58 const char *s, *cp; 59 char *p; 60 | 55 char r_name[32]; 56 int r_unit; 57 char r_resname[32]; 58 char r_value[128]; 59 const char *s, *cp; 60 char *p; 61 |
| 61 use_kenv = 0; | |
| 62 if (checkmethod) { 63 switch (hintmode) { 64 case 0: /* config supplied nothing */ 65 break; 66 case 1: /* static hints only */ 67 hintp = static_hints; 68 checkmethod = 0; 69 break; --- 73 unchanged lines hidden (view full) --- 143 if (hit && unit && *unit != r_unit) 144 hit = 0; 145 if (hit && resname && strcmp(resname, r_resname) != 0) 146 hit = 0; 147 if (hit && value && strcmp(value, r_value) != 0) 148 hit = 0; 149 if (hit) 150 break; | 62 if (checkmethod) { 63 switch (hintmode) { 64 case 0: /* config supplied nothing */ 65 break; 66 case 1: /* static hints only */ 67 hintp = static_hints; 68 checkmethod = 0; 69 break; --- 73 unchanged lines hidden (view full) --- 143 if (hit && unit && *unit != r_unit) 144 hit = 0; 145 if (hit && resname && strcmp(resname, r_resname) != 0) 146 hit = 0; 147 if (hit && value && strcmp(value, r_value) != 0) 148 hit = 0; 149 if (hit) 150 break; |
| 151 if (use_kenv) | 151 if (use_kenv) { |
| 152 cp = kenvp[++i]; | 152 cp = kenvp[++i]; |
| 153 else { | 153 if (cp == NULL) 154 break; 155 } else { |
| 154 while (*cp != '\0') 155 cp++; 156 cp++; | 156 while (*cp != '\0') 157 cp++; 158 cp++; |
| 159 if (*cp == '\0') { 160 cp = NULL; 161 break; 162 } |
|
| 157 } | 163 } |
| 158 if (*cp == '\0') { 159 cp = NULL; 160 break; 161 } | |
| 162 } 163 if (use_kenv) 164 sx_sunlock(&kenv_lock); 165 if (cp == NULL) 166 return ENOENT; 167 168 s = cp; 169 /* This is a bit of a hack, but at least is reentrant */ --- 196 unchanged lines hidden --- | 164 } 165 if (use_kenv) 166 sx_sunlock(&kenv_lock); 167 if (cp == NULL) 168 return ENOENT; 169 170 s = cp; 171 /* This is a bit of a hack, but at least is reentrant */ --- 196 unchanged lines hidden --- |