diff options
Diffstat (limited to 'usr.sbin/config/mkheaders.c')
| -rw-r--r-- | usr.sbin/config/mkheaders.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/usr.sbin/config/mkheaders.c b/usr.sbin/config/mkheaders.c new file mode 100644 index 0000000..7929987 --- /dev/null +++ b/usr.sbin/config/mkheaders.c @@ -0,0 +1,207 @@ +/* + * 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. + */ + +#ifndef lint +static char sccsid[] = "@(#)mkheaders.c 8.1 (Berkeley) 6/6/93"; +#endif /* not lint */ + +/* + * Make all the .h files for the optional entries + */ + +#include <stdio.h> +#include <ctype.h> +#include "config.h" +#include "y.tab.h" + +headers() +{ + register struct file_list *fl; + + for (fl = ftab; fl != 0; fl = fl->f_next) + if (fl->f_needs != 0) + do_count(fl->f_needs, fl->f_needs, 1); +} + +/* + * count all the devices of a certain type and recurse to count + * whatever the device is connected to + */ +do_count(dev, hname, search) + register char *dev, *hname; + int search; +{ + register struct device *dp, *mp; + register int count, hicount; + + /* + * After this loop, "count" will be the actual number of units, + * and "hicount" will be the highest unit declared. do_header() + * must use this higher of these values. + */ + for (hicount = count = 0, dp = dtab; dp != 0; dp = dp->d_next) + if (dp->d_unit != -1 && eq(dp->d_name, dev)) { + if (dp->d_type == PSEUDO_DEVICE) { + count = + dp->d_slave != UNKNOWN ? dp->d_slave : 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 != 0 && mp != TO_NEXUS && + mp->d_conn != 0 && mp->d_conn != TO_NEXUS) { + do_count(mp->d_name, hname, 0); + search = 0; + } + } + } + do_header(dev, hname, count > hicount ? count : hicount); +} + +do_header(dev, hname, count) + char *dev, *hname; + int count; +{ + char *file, *name, *inw, *toheader(), *tomacro(); + 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 == 0) { + outf = fopen(file, "w"); + if (outf == 0) { + perror(file); + exit(1); + } + fprintf(outf, "#define %s %d\n", name, count); + (void) fclose(outf); + return; + } + fl_head = NULL; + for (;;) { + char *cp; + if ((inw = get_word(inf)) == 0 || inw == (char *)EOF) + break; + if ((inw = get_word(inf)) == 0 || inw == (char *)EOF) + break; + inw = ns(inw); + cp = get_word(inf); + if (cp == 0 || cp == (char *)EOF) + break; + inc = atoi(cp); + if (eq(inw, name)) { + oldcount = inc; + inc = count; + } + cp = get_word(inf); + if (cp == (char *)EOF) + break; + fl = (struct file_list *) malloc(sizeof *fl); + bzero(fl, sizeof(*fl)); + fl->f_fn = inw; + fl->f_type = inc; + fl->f_next = fl_head; + fl_head = fl; + } + (void) fclose(inf); + if (count == oldcount) { + for (fl = fl_head; fl != NULL; fl = tflp) { + tflp = fl->f_next; + free(fl); + } + return; + } + if (oldcount == -1) { + fl = (struct file_list *) malloc(sizeof *fl); + bzero(fl, sizeof(*fl)); + fl->f_fn = name; + fl->f_type = count; + fl->f_next = fl_head; + fl_head = fl; + } + outf = fopen(file, "w"); + if (outf == 0) { + perror(file); + exit(1); + } + 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); + } + (void) fclose(outf); +} + +/* + * convert a dev name to a .h file name + */ +char * +toheader(dev) + char *dev; +{ + static char hbuf[80]; + + (void) strcpy(hbuf, path(dev)); + (void) strcat(hbuf, ".h"); + return (hbuf); +} + +/* + * convert a dev name to a macro name + */ +char *tomacro(dev) + register char *dev; +{ + static char mbuf[20]; + register char *cp; + + cp = mbuf; + *cp++ = 'N'; + while (*dev) + *cp++ = islower(*dev) ? toupper(*dev++) : *dev++; + *cp++ = 0; + return (mbuf); +} |
