/* * Copyright (c) 1980, 1993 * The Regents of the University of California. 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 acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS 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 REGENTS OR 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. * * @(#)mkheaders.c 8.1 (Berkeley) 6/6/93 * $FreeBSD: src/usr.sbin/config/mkheaders.c,v 1.14.2.2 2001/01/23 00:09:32 peter Exp $ * $DragonFly: src/usr.sbin/config/mkheaders.c,v 1.13 2005/01/12 00:26:03 cpressey Exp $ */ /* * Make all the .h files for the optional entries */ #include #include #include #include #include #include "config.h" #include "y.tab.h" static void do_header(const char *, char *, int); static void do_count(const char *, char *, int); static char *toheader(const char *); static char *tomacro(const char *); void headers(void) { struct file_list *fl; struct device *dp; for (fl = ftab; fl != NULL; fl = fl->f_next) if (fl->f_needs != NULL) do_count(fl->f_needs, fl->f_needs, 1); for (dp = dtab; dp != NULL; dp = dp->d_next) { if ((dp->d_type & TYPEMASK) == PSEUDO_DEVICE) { if (!(dp->d_type & DEVDONE)) { printf("Warning: pseudo-device \"%s\" is unknown\n", dp->d_name); exit(1); } } if ((dp->d_type & TYPEMASK) == DEVICE) { if (!(dp->d_type & DEVDONE)) { printf("Warning: device \"%s\" is unknown\n", dp->d_name); exit(1); } } } } /* * count all the devices of a certain type and recurse to count * whatever the device is connected to */ static void do_count(const char *dev, char *hname, int search) { struct device *dp; int count, hicount; const char *mp; /* * After this loop, "count" will be the actual number of units, * and "hicount" will be the highest unit declared. do_header() * must use the higher of these values. */ for (dp = dtab; dp != NULL; dp = dp->d_next) { if (strcmp(dp->d_name, dev) == 0) { if ((dp->d_type & TYPEMASK) == PSEUDO_DEVICE) dp->d_type |= DEVDONE; else if ((dp->d_type & TYPEMASK) == DEVICE) dp->d_type |= DEVDONE; } } for (hicount = count = 0, dp = dtab; dp != NULL; dp = dp->d_next) { if (dp->d_unit != -1 && strcmp(dp->d_name, dev) == 0) { if ((dp->d_type & TYPEMASK) == PSEUDO_DEVICE) { count = dp->d_count != UNKNOWN ? dp->d_count : 1; break; } count++; /* * Allow holes in unit numbering, * assumption is unit numbering starts * at zero. */ if (dp->d_unit + 1 > hicount) hicount = dp->d_unit + 1; if (search) { mp = dp->d_conn; if (mp != NULL && dp->d_connunit < 0) mp = NULL; if (mp != NULL && strcmp(mp, "nexus") == 0) mp = NULL; if (mp != NULL) { do_count(mp, hname, 0); search = 0; } } } } do_header(dev, hname, count > hicount ? count : hicount); } static void do_header(const char *dev, char *hname, int count) { char *file, *name, *inw; struct file_list *fl, *fl_head, *tflp; FILE *inf, *outf; int inc, oldcount; file = toheader(hname); name = tomacro(dev); inf = fopen(file, "r"); oldcount = -1; if (inf == NULL) { outf = fopen(file, "w"); if (outf == NULL) err(1, "%s", file); fprintf(outf, "#define %s %d\n", name, count); fclose(outf); return; } fl_head = NULL; for (;;) { char *cp; if ((inw = get_word(inf)) == NULL || inw == (char *)EOF) break; if ((inw = get_word(inf)) == NULL || inw == (char *)EOF) break; inw = strdup(inw); cp = get_word(inf); if (cp == NULL || cp == (char *)EOF) break; inc = atoi(cp); if (strcmp(inw, name) == 0) { oldcount = inc; inc = count; } cp = get_word(inf); if (cp == (char *)EOF) break; fl = malloc(sizeof(*fl)); bzero(fl, sizeof(*fl)); fl->f_fn = inw; /* malloced */ fl->f_type = inc; fl->f_next = fl_head; fl_head = fl; } fclose(inf); if (count == oldcount) { for (fl = fl_head; fl != NULL; fl = tflp) { tflp = fl->f_next; free(fl->f_fn); free(fl); } return; } if (oldcount == -1) { fl = malloc(sizeof(*fl)); bzero(fl, sizeof(*fl)); fl->f_fn = strdup(name); fl->f_type = count; fl->f_next = fl_head; fl_head = fl; } outf = fopen(file, "w"); if (outf == 0) err(1, "%s", file); for (fl = fl_head; fl != NULL; fl = tflp) { fprintf(outf, "#define %s %u\n", fl->f_fn, count ? fl->f_type : 0); tflp = fl->f_next; free(fl->f_fn); free(fl); } fclose(outf); } /* * convert a dev name to a .h file name */ static char * toheader(const char *dev) { static char hbuf[MAXPATHLEN]; static char udev[MAXPATHLEN]; snprintf(udev, sizeof(udev), "use_%s", dev); snprintf(hbuf, sizeof(hbuf), "%s.h", path(udev)); return(hbuf); } /* * convert a dev name to a macro name */ static char * tomacro(const char *dev) { static char mbuf[20]; char *cp; cp = mbuf; *cp++ = 'N'; while (*dev != 0) *cp++ = islower(*dev) ? toupper(*dev++) : *dev++; *cp++ = 0; return(mbuf); }