diff options
Diffstat (limited to 'usr.sbin/config.new/mkswap.c')
| -rw-r--r-- | usr.sbin/config.new/mkswap.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/usr.sbin/config.new/mkswap.c b/usr.sbin/config.new/mkswap.c new file mode 100644 index 0000000..afea210 --- /dev/null +++ b/usr.sbin/config.new/mkswap.c @@ -0,0 +1,118 @@ +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * 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, Lawrence Berkeley Laboratories. + * + * 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. + * + * @(#)mkswap.c 8.1 (Berkeley) 6/6/93 + */ + +#include <sys/param.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "config.h" + +static int mkoneswap __P((struct config *)); + +/* + * Make the various swap*.c files. Nothing to do for generic swap. + */ +int +mkswap() +{ + register struct config *cf; + + for (cf = allcf; cf != NULL; cf = cf->cf_next) + if (cf->cf_root != NULL && mkoneswap(cf)) + return (1); + return (0); +} + +static int +mkoneswap(cf) + register struct config *cf; +{ + register struct nvlist *nv; + register FILE *fp; + register char *fname; + char buf[200]; + + (void)sprintf(buf, "swap%s.c", cf->cf_name); + fname = path(buf); + if ((fp = fopen(fname, "w")) == NULL) { + (void)fprintf(stderr, "config: cannot write %s: %s\n", + fname, strerror(errno)); + return (1); + } + if (fputs("\ +#include <sys/param.h>\n\ +#include <sys/conf.h>\n\n", fp) < 0) + goto wrerror; + nv = cf->cf_root; + if (fprintf(fp, "dev_t\trootdev = makedev(%d, %d);\t/* %s */\n", + major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) + goto wrerror; + nv = cf->cf_dump; + if (fprintf(fp, "dev_t\tdumpdev = makedev(%d, %d);\t/* %s */\n", + major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) + goto wrerror; + if (fputs("\nstruct\tswdevt swdevt[] = {\n", fp) < 0) + goto wrerror; + for (nv = cf->cf_swap; nv != NULL; nv = nv->nv_next) + if (fprintf(fp, "\t{ makedev(%d, %d),\t0,\t0 },\t/* %s */\n", + major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) + goto wrerror; + if (fputs("\t{ NODEV, 0, 0 }\n};\n", fp) < 0) + goto wrerror; + if (fclose(fp)) { + fp = NULL; + goto wrerror; + } + free(fname); + return (0); +wrerror: + (void)fprintf(stderr, "config: error writing %s: %s\n", + fname, strerror(errno)); + if (fp != NULL) + (void)fclose(fp); + /* (void)unlink(fname); */ + free(fname); + return (1); +} |
