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Commit | Line | Data |
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6fb7536b | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
f0a492af | 6 | * (c) Copyright 1988 by the Massachusetts Institute of Technology. |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
6fb7536b | 9 | * |
10 | * This program dumps the SMS database to a series of output files | |
11 | * which can be later read back into SMS in the event of a crash. | |
12 | * | |
6fb7536b | 13 | */ |
14 | ||
15 | #ifndef lint | |
16 | static char *rcsid_dump_db_c = "$Header$"; | |
17 | #endif lint | |
18 | ||
19 | #include <stdio.h> | |
20 | #include <sys/file.h> | |
d55654f4 | 21 | #include <ctype.h> |
f0a492af | 22 | #include <mit-copyright.h> |
2e29fd6d | 23 | #include "dump_db.h" |
d55654f4 | 24 | |
25 | /* putc without the line buffer hair */ | |
26 | ||
27 | #define putc1(x, p) (--(p)->_cnt >= 0 ?\ | |
28 | (int)(*(unsigned char *)(p)->_ptr++ = (x)) :\ | |
29 | _flsbuf((unsigned char)(x), p)) | |
6fb7536b | 30 | |
31 | FILE *open_file(); | |
32 | ||
d55654f4 | 33 | char act[128]; |
34 | ||
6fb7536b | 35 | main(argc, argv) |
36 | int argc; | |
37 | char **argv; | |
38 | { | |
39 | char *prefix; | |
d55654f4 | 40 | register int i; |
6fb7536b | 41 | |
42 | if (argc != 2) { | |
43 | fprintf(stderr, "Usage: smsbackup prefix\n"); | |
44 | exit(1); | |
45 | } | |
46 | prefix = argv[1]; | |
47 | ||
d55654f4 | 48 | bzero(act, 128); |
49 | ||
2e29fd6d | 50 | act[SEP_CHAR]=1; |
d55654f4 | 51 | act['\\']=1; |
52 | act[127]=2; | |
53 | for (i=0; i<' '; i++) act[i]=2; | |
54 | ||
6fb7536b | 55 | ## ingres sms |
51641848 | 56 | ## set lockmode session where level = table |
57 | ## begin transaction | |
58 | ||
6fb7536b | 59 | do_backups(prefix); |
51641848 | 60 | |
61 | ## end transaction | |
6fb7536b | 62 | ## exit |
63 | exit(0); | |
64 | } | |
65 | ||
6fb7536b | 66 | dump_int(f, n) |
67 | FILE *f; | |
68 | int n; | |
69 | { | |
70 | char buf[1024]; | |
d55654f4 | 71 | (void) sprintf(buf, "%d", n); |
6fb7536b | 72 | dump_str(f, buf); |
73 | } | |
74 | ||
d55654f4 | 75 | wpunt() |
6fb7536b | 76 | { |
d55654f4 | 77 | punt("can't write backup file"); |
6fb7536b | 78 | } |
79 | ||
6fb7536b | 80 | dump_str(f, str) |
d55654f4 | 81 | register FILE *f; |
82 | register char *str; | |
6fb7536b | 83 | { |
d6224b2e | 84 | char *strtrim(); |
85 | register char *ibp = strtrim(str); | |
d55654f4 | 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 | ||
d6224b2e | 148 | |
149 | /* | |
150 | * Trim whitespace off both ends of a string. | |
151 | */ | |
152 | char *strtrim(save) | |
153 | register char *save; | |
154 | { | |
155 | register char *t, *s; | |
156 | ||
157 | s = save; | |
158 | while (isspace(*s)) s++; | |
159 | /* skip to end of string */ | |
160 | if (*s == '\0') { | |
161 | *save = '\0'; | |
162 | return(save); | |
163 | } | |
164 | ||
165 | for (t = s; *t; t++) continue; | |
166 | while (t > s) { | |
167 | --t; | |
168 | if (!isspace(*t)) { | |
169 | t++; | |
170 | break; | |
171 | } | |
172 | } | |
173 | *t = '\0'; | |
174 | return s; | |
175 | } |