| 1 | /* |
| 2 | * Copyright (c) 1992 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This software was developed by the Computer Systems Engineering group |
| 6 | * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and |
| 7 | * contributed to Berkeley. |
| 8 | * |
| 9 | * All advertising materials mentioning features or use of this software |
| 10 | * must display the following acknowledgement: |
| 11 | * This product includes software developed by the University of |
| 12 | * California, Lawrence Berkeley Laboratories. |
| 13 | * |
| 14 | * %sccs.include.redist.c% |
| 15 | * |
| 16 | * @(#)mkswap.c 5.2 (Berkeley) %G% |
| 17 | */ |
| 18 | |
| 19 | #include <sys/param.h> |
| 20 | #include <errno.h> |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | #include "config.h" |
| 25 | |
| 26 | static int mkoneswap __P((struct config *)); |
| 27 | |
| 28 | /* |
| 29 | * Make the various swap*.c files. Nothing to do for generic swap. |
| 30 | */ |
| 31 | int |
| 32 | mkswap() |
| 33 | { |
| 34 | register struct config *cf; |
| 35 | |
| 36 | for (cf = allcf; cf != NULL; cf = cf->cf_next) |
| 37 | if (cf->cf_root != NULL && mkoneswap(cf)) |
| 38 | return (1); |
| 39 | return (0); |
| 40 | } |
| 41 | |
| 42 | static int |
| 43 | mkoneswap(cf) |
| 44 | register struct config *cf; |
| 45 | { |
| 46 | register struct nvlist *nv; |
| 47 | register FILE *fp; |
| 48 | register char *fname; |
| 49 | char buf[200]; |
| 50 | |
| 51 | (void)sprintf(buf, "swap%s.c", cf->cf_name); |
| 52 | fname = path(buf); |
| 53 | if ((fp = fopen(fname, "w")) == NULL) { |
| 54 | (void)fprintf(stderr, "config: cannot write %s: %s\n", |
| 55 | fname, strerror(errno)); |
| 56 | return (1); |
| 57 | } |
| 58 | if (fputs("\ |
| 59 | #include <sys/param.h>\n\ |
| 60 | #include <sys/conf.h>\n\n", fp) < 0) |
| 61 | goto wrerror; |
| 62 | nv = cf->cf_root; |
| 63 | if (fprintf(fp, "dev_t\trootdev = makedev(%d, %d);\t/* %s */\n", |
| 64 | major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) |
| 65 | goto wrerror; |
| 66 | nv = cf->cf_dump; |
| 67 | if (fprintf(fp, "dev_t\tdumpdev = makedev(%d, %d);\t/* %s */\n", |
| 68 | major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) |
| 69 | goto wrerror; |
| 70 | if (fputs("\nstruct\tswdevt swdevt[] = {\n", fp) < 0) |
| 71 | goto wrerror; |
| 72 | for (nv = cf->cf_swap; nv != NULL; nv = nv->nv_next) |
| 73 | if (fprintf(fp, "\t{ makedev(%d, %d),\t0,\t0 },\t/* %s */\n", |
| 74 | major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) |
| 75 | goto wrerror; |
| 76 | if (fputs("\t{ NODEV, 0, 0 }\n};\n", fp) < 0) |
| 77 | goto wrerror; |
| 78 | if (fclose(fp)) { |
| 79 | fp = NULL; |
| 80 | goto wrerror; |
| 81 | } |
| 82 | free(fname); |
| 83 | return (0); |
| 84 | wrerror: |
| 85 | (void)fprintf(stderr, "config: error writing %s: %s\n", |
| 86 | fname, strerror(errno)); |
| 87 | if (fp != NULL) |
| 88 | (void)fclose(fp); |
| 89 | /* (void)unlink(fname); */ |
| 90 | free(fname); |
| 91 | return (1); |
| 92 | } |