1 /* 2 * Copyright (c) 1980, 1993 3 * The Regents of the University of California. 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 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)mkheaders.c 8.1 (Berkeley) 6/6/93"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD$"; 40 #endif /* not lint */ 41 42 /* 43 * Make all the .h files for the optional entries 44 */ 45 46 #include <ctype.h> 47 #include <err.h> 48 #include <stdio.h> 49 #include <string.h> 50 #include <sys/param.h> 51 #include "config.h" 52 #include "y.tab.h" 53 54 static void do_header(char *, int); 55 static char *toheader(char *); 56 static char *tomacro(char *); 57 58 void 59 headers(void) 60 { 61 struct file_list *fl; 62 struct device *dp; 63 int match; 64 65 for (fl = ftab; fl != 0; fl = fl->f_next) { 66 if (fl->f_needs != 0) { 67 match = 0; 68 for (dp = dtab; dp != 0; dp = dp->d_next) { 69 if (eq(dp->d_name, fl->f_needs)) { 70 match++; 71 dp->d_done |= DEVDONE; 72 } 73 } 74 if (fl->f_flags & NEED_COUNT) 75 do_header(fl->f_needs, match); 76 } 77 } 78 for (dp = dtab; dp != 0; dp = dp->d_next) { 79 if (!(dp->d_done & DEVDONE)) 80 errx(1, "Error: device \"%s\" is unknown", 81 dp->d_name); 82 } 83 } 84 85 static void 86 do_header(char *dev, int match) 87 { 88 char *file, *name, *inw; 89 struct file_list *fl, *fl_head, *tflp; 90 struct device *dp; 91 FILE *inf, *outf; 92 int inc, oldcount; 93 int count, hicount; 94 95 /* 96 * After this loop, "count" will be the actual number of units, 97 * and "hicount" will be the highest unit declared. do_header() 98 * must use this higher of these values. 99 */ 100 for (hicount = count = 0, dp = dtab; dp != 0; dp = dp->d_next) { 101 if (eq(dp->d_name, dev)) { 102 count = 103 dp->d_count != UNKNOWN ? dp->d_count : 1; 104 break; 105 } 106 } 107 file = toheader(dev); 108 name = tomacro(dev); 109 if (match) 110 printf("FYI: static unit limits for %s are set: %s=%d\n", dev, name, count); 111 remember(file); 112 inf = fopen(file, "r"); 113 oldcount = -1; 114 if (inf == 0) { 115 outf = fopen(file, "w"); 116 if (outf == 0) 117 err(1, "%s", file); 118 fprintf(outf, "#define %s %d\n", name, count); 119 (void) fclose(outf); 120 return; 121 } 122 fl_head = NULL; 123 for (;;) { 124 char *cp; 125 if ((inw = get_word(inf)) == 0 || inw == (char *)EOF) 126 break; 127 if ((inw = get_word(inf)) == 0 || inw == (char *)EOF) 128 break; 129 inw = ns(inw); 130 cp = get_word(inf); 131 if (cp == 0 || cp == (char *)EOF) 132 break; 133 inc = atoi(cp); 134 if (eq(inw, name)) { 135 oldcount = inc; 136 inc = count; 137 } 138 cp = get_word(inf); 139 if (cp == (char *)EOF) 140 break; 141 fl = (struct file_list *) malloc(sizeof *fl); 142 bzero(fl, sizeof(*fl)); 143 fl->f_fn = inw; /* malloced */ 144 fl->f_type = inc; 145 fl->f_next = fl_head; 146 fl_head = fl; 147 } 148 (void) fclose(inf); 149 if (count == oldcount) { 150 for (fl = fl_head; fl != NULL; fl = tflp) { 151 tflp = fl->f_next; 152 free(fl->f_fn); 153 free(fl); 154 } 155 return; 156 } 157 if (oldcount == -1) { 158 fl = (struct file_list *) malloc(sizeof *fl); 159 bzero(fl, sizeof(*fl)); 160 fl->f_fn = ns(name); 161 fl->f_type = count; 162 fl->f_next = fl_head; 163 fl_head = fl; 164 } 165 outf = fopen(file, "w"); 166 if (outf == 0) 167 err(1, "%s", file); 168 for (fl = fl_head; fl != NULL; fl = tflp) { 169 fprintf(outf, 170 "#define %s %u\n", fl->f_fn, count ? fl->f_type : 0); 171 tflp = fl->f_next; 172 free(fl->f_fn); 173 free(fl); 174 } 175 (void) fclose(outf); 176 } 177 178 /* 179 * convert a dev name to a .h file name 180 */ 181 static char * 182 toheader(char *dev) 183 { 184 static char hbuf[MAXPATHLEN]; 185 186 snprintf(hbuf, sizeof(hbuf), "%s.h", path(dev)); 187 return (hbuf); 188 } 189 190 /* 191 * convert a dev name to a macro name 192 */ 193 static char * 194 tomacro(char *dev) 195 { 196 static char mbuf[20]; 197 char *cp; 198 199 cp = mbuf; 200 *cp++ = 'N'; 201 while (*dev) 202 *cp++ = islower(*dev) ? toupper(*dev++) : *dev++; 203 *cp++ = 0; 204 return (mbuf); 205 } 206