projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 5073ce2e CT |
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 5.1 (Berkeley) %G% | |
| 17 | * | |
| 18 | * from: $Header: mkswap.c,v 1.2 92/09/22 03:32:04 torek Exp $ | |
| 19 | */ | |
| 20 | ||
| 21 | #include <sys/param.h> | |
| 22 | #include <errno.h> | |
| 23 | #include <stdio.h> | |
| 24 | #include <stdlib.h> | |
| 25 | #include <string.h> | |
| 26 | #include "config.h" | |
| 27 | ||
| 28 | static int mkoneswap __P((struct config *)); | |
| 29 | ||
| 30 | /* | |
| 31 | * Make the various swap*.c files. Nothing to do for generic swap. | |
| 32 | */ | |
| 33 | int | |
| 34 | mkswap() | |
| 35 | { | |
| 36 | register struct config *cf; | |
| 37 | ||
| 38 | for (cf = allcf; cf != NULL; cf = cf->cf_next) | |
| 39 | if (cf->cf_root != NULL && mkoneswap(cf)) | |
| 40 | return (1); | |
| 41 | return (0); | |
| 42 | } | |
| 43 | ||
| 44 | static int | |
| 45 | mkoneswap(cf) | |
| 46 | register struct config *cf; | |
| 47 | { | |
| 48 | register struct nvlist *nv; | |
| 49 | register FILE *fp; | |
| 50 | register char *fname; | |
| 51 | char buf[200]; | |
| 52 | ||
| 53 | (void)sprintf(buf, "swap%s.c", cf->cf_name); | |
| 54 | fname = path(buf); | |
| 55 | if ((fp = fopen(fname, "w")) == NULL) { | |
| 56 | (void)fprintf(stderr, "config: cannot write %s: %s\n", | |
| 57 | fname, strerror(errno)); | |
| 58 | return (1); | |
| 59 | } | |
| 60 | if (fputs("\ | |
| 61 | #include <sys/param.h>\n\ | |
| 62 | #include <sys/conf.h>\n\n", fp) < 0) | |
| 63 | goto wrerror; | |
| 64 | nv = cf->cf_root; | |
| 65 | if (fprintf(fp, "dev_t\trootdev = makedev(%d, %d);\t/* %s */\n", | |
| 66 | major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) | |
| 67 | goto wrerror; | |
| 68 | nv = cf->cf_dump; | |
| 69 | if (fprintf(fp, "dev_t\tdumpdev = makedev(%d, %d);\t/* %s */\n", | |
| 70 | major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) | |
| 71 | goto wrerror; | |
| 72 | if (fputs("\nstruct\tswdevt swdevt[] = {\n", fp) < 0) | |
| 73 | goto wrerror; | |
| 74 | for (nv = cf->cf_swap; nv != NULL; nv = nv->nv_next) | |
| 75 | if (fprintf(fp, "\t{ makedev(%d, %d),\t0,\t0 },\t/* %s */\n", | |
| 76 | major(nv->nv_int), minor(nv->nv_int), nv->nv_str) < 0) | |
| 77 | goto wrerror; | |
| 78 | if (fputs("\t{ NODEV, 0, 0 }\n};\n", fp) < 0) | |
| 79 | goto wrerror; | |
| 80 | if (fclose(fp)) { | |
| 81 | fp = NULL; | |
| 82 | goto wrerror; | |
| 83 | } | |
| 84 | free(fname); | |
| 85 | return (0); | |
| 86 | wrerror: | |
| 87 | (void)fprintf(stderr, "config: error writing %s: %s\n", | |
| 88 | fname, strerror(errno)); | |
| 89 | if (fp != NULL) | |
| 90 | (void)fclose(fp); | |
| 91 | /* (void)unlink(fname); */ | |
| 92 | free(fname); | |
| 93 | return (1); | |
| 94 | } |