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Commit | Line | Data |
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6fb7536b | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * Copyright (C) 1987 by the Massachusetts Institute of Technology | |
7 | * | |
8 | * This program dumps the SMS database to a series of output files | |
9 | * which can be later read back into SMS in the event of a crash. | |
10 | * | |
11 | * $Log$ | |
d55654f4 | 12 | * Revision 1.2 1987-07-13 03:52:53 wesommer |
13 | * Modified to pass lint, do better backups. | |
6fb7536b | 14 | * |
d55654f4 | 15 | Revision 1.1 87/07/11 19:51:05 wesommer |
16 | Initial revision | |
17 | ||
6fb7536b | 18 | * |
19 | */ | |
20 | ||
21 | #ifndef lint | |
22 | static char *rcsid_dump_db_c = "$Header$"; | |
23 | #endif lint | |
24 | ||
25 | #include <stdio.h> | |
26 | #include <sys/file.h> | |
d55654f4 | 27 | #include <ctype.h> |
28 | ||
29 | /* putc without the line buffer hair */ | |
30 | ||
31 | #define putc1(x, p) (--(p)->_cnt >= 0 ?\ | |
32 | (int)(*(unsigned char *)(p)->_ptr++ = (x)) :\ | |
33 | _flsbuf((unsigned char)(x), p)) | |
6fb7536b | 34 | |
35 | FILE *open_file(); | |
36 | ||
d55654f4 | 37 | char act[128]; |
38 | ||
6fb7536b | 39 | main(argc, argv) |
40 | int argc; | |
41 | char **argv; | |
42 | { | |
43 | char *prefix; | |
d55654f4 | 44 | register int i; |
6fb7536b | 45 | |
46 | if (argc != 2) { | |
47 | fprintf(stderr, "Usage: smsbackup prefix\n"); | |
48 | exit(1); | |
49 | } | |
50 | prefix = argv[1]; | |
51 | ||
d55654f4 | 52 | bzero(act, 128); |
53 | ||
54 | act[':']=1; | |
55 | act['\\']=1; | |
56 | act[127]=2; | |
57 | for (i=0; i<' '; i++) act[i]=2; | |
58 | ||
6fb7536b | 59 | ## ingres sms |
60 | ||
61 | do_backups(prefix); | |
62 | ||
63 | ## exit | |
64 | exit(0); | |
65 | } | |
66 | ||
6fb7536b | 67 | dump_int(f, n) |
68 | FILE *f; | |
69 | int n; | |
70 | { | |
71 | char buf[1024]; | |
d55654f4 | 72 | (void) sprintf(buf, "%d", n); |
6fb7536b | 73 | dump_str(f, buf); |
74 | } | |
75 | ||
d55654f4 | 76 | wpunt() |
6fb7536b | 77 | { |
d55654f4 | 78 | punt("can't write backup file"); |
6fb7536b | 79 | } |
80 | ||
6fb7536b | 81 | dump_str(f, str) |
d55654f4 | 82 | register FILE *f; |
83 | register char *str; | |
6fb7536b | 84 | { |
d55654f4 | 85 | register char *ibp = str; |
86 | register int c; /* PCC doesn't put chars in registers.. */ | |
87 | for (; c = *ibp; ibp++) { | |
88 | c = toascii(c); /* punt 8th bit */ | |
89 | switch(act[c]) { | |
90 | register int t; | |
91 | case 1: | |
92 | if (putc1('\\', f) < 0) wpunt(); | |
93 | /* fall thru.. */ | |
94 | case 0: | |
95 | if (putc1(c, f) < 0) wpunt(); | |
96 | ||
97 | break; | |
98 | case 2: | |
99 | if (putc1('\\', f) < 0) wpunt(); | |
100 | t = ((c>>6)&7) + '0'; | |
101 | if (putc1(t,f) < 0) wpunt(); | |
102 | t = ((c>>3)&7) + '0'; | |
103 | if (putc1(t,f) < 0) wpunt(); | |
104 | t = (c&7) + '0'; | |
105 | if (putc1(t,f) < 0) wpunt(); | |
106 | fprintf(stderr, "control character \\%03o\n", c); | |
107 | break; | |
108 | ||
109 | default: | |
110 | punt("Can't get here"); | |
111 | } | |
112 | } | |
6fb7536b | 113 | } |
114 | ||
115 | safe_close(stream) | |
116 | FILE *stream; | |
117 | { | |
118 | if (fflush(stream) == EOF) | |
119 | punt("Unable to fflush"); | |
120 | if (fsync(fileno(stream)) != 0) | |
121 | punt("Unable to fsync"); | |
d55654f4 | 122 | (void) fclose(stream); |
6fb7536b | 123 | } |
124 | ||
d55654f4 | 125 | FILE *open_file(prefix, suffix) |
126 | char *prefix, *suffix; | |
127 | { | |
128 | char name[BUFSIZ]; | |
129 | int fd; | |
130 | FILE *f; | |
131 | ||
132 | (void) strcpy(name, prefix); | |
133 | (void) strcat(name, suffix); | |
134 | ||
135 | fd = open(name, O_CREAT|O_WRONLY|O_EXCL, 0644); | |
136 | if (fd < 0) { | |
137 | punt(name); | |
138 | } | |
139 | f = fdopen(fd, "w"); | |
140 | if (f == NULL) { | |
141 | fprintf(stderr, "fdopen of "); | |
142 | punt(name); | |
143 | } | |
144 | fprintf(stderr, "Working on %s\n", name); | |
145 | return(f); | |
146 | } | |
147 | ||
6fb7536b | 148 | /* |
149 | * Local Variables: | |
150 | * mode: c | |
151 | * c-indent-level: 4 | |
152 | * c-continued-statement-offset: 4 | |
153 | * c-brace-offset: -4 | |
154 | * c-argdecl-indent: 4 | |
155 | * c-label-offset: -4 | |
156 | * End: | |
157 | */ |