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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> |
d55654f4 | 23 | |
24 | /* putc without the line buffer hair */ | |
25 | ||
26 | #define putc1(x, p) (--(p)->_cnt >= 0 ?\ | |
27 | (int)(*(unsigned char *)(p)->_ptr++ = (x)) :\ | |
28 | _flsbuf((unsigned char)(x), p)) | |
6fb7536b | 29 | |
30 | FILE *open_file(); | |
31 | ||
d55654f4 | 32 | char act[128]; |
33 | ||
6fb7536b | 34 | main(argc, argv) |
35 | int argc; | |
36 | char **argv; | |
37 | { | |
38 | char *prefix; | |
d55654f4 | 39 | register int i; |
6fb7536b | 40 | |
41 | if (argc != 2) { | |
42 | fprintf(stderr, "Usage: smsbackup prefix\n"); | |
43 | exit(1); | |
44 | } | |
45 | prefix = argv[1]; | |
46 | ||
d55654f4 | 47 | bzero(act, 128); |
48 | ||
49 | act[':']=1; | |
50 | act['\\']=1; | |
51 | act[127]=2; | |
52 | for (i=0; i<' '; i++) act[i]=2; | |
53 | ||
6fb7536b | 54 | ## ingres sms |
51641848 | 55 | ## set lockmode session where level = table |
56 | ## begin transaction | |
57 | ||
6fb7536b | 58 | do_backups(prefix); |
51641848 | 59 | |
60 | ## end transaction | |
6fb7536b | 61 | ## exit |
62 | exit(0); | |
63 | } | |
64 | ||
6fb7536b | 65 | dump_int(f, n) |
66 | FILE *f; | |
67 | int n; | |
68 | { | |
69 | char buf[1024]; | |
d55654f4 | 70 | (void) sprintf(buf, "%d", n); |
6fb7536b | 71 | dump_str(f, buf); |
72 | } | |
73 | ||
d55654f4 | 74 | wpunt() |
6fb7536b | 75 | { |
d55654f4 | 76 | punt("can't write backup file"); |
6fb7536b | 77 | } |
78 | ||
6fb7536b | 79 | dump_str(f, str) |
d55654f4 | 80 | register FILE *f; |
81 | register char *str; | |
6fb7536b | 82 | { |
d6224b2e | 83 | char *strtrim(); |
84 | register char *ibp = strtrim(str); | |
d55654f4 | 85 | register int c; /* PCC doesn't put chars in registers.. */ |
86 | for (; c = *ibp; ibp++) { | |
87 | c = toascii(c); /* punt 8th bit */ | |
88 | switch(act[c]) { | |
89 | register int t; | |
90 | case 1: | |
91 | if (putc1('\\', f) < 0) wpunt(); | |
92 | /* fall thru.. */ | |
93 | case 0: | |
94 | if (putc1(c, f) < 0) wpunt(); | |
95 | ||
96 | break; | |
97 | case 2: | |
98 | if (putc1('\\', f) < 0) wpunt(); | |
99 | t = ((c>>6)&7) + '0'; | |
100 | if (putc1(t,f) < 0) wpunt(); | |
101 | t = ((c>>3)&7) + '0'; | |
102 | if (putc1(t,f) < 0) wpunt(); | |
103 | t = (c&7) + '0'; | |
104 | if (putc1(t,f) < 0) wpunt(); | |
105 | fprintf(stderr, "control character \\%03o\n", c); | |
106 | break; | |
107 | ||
108 | default: | |
109 | punt("Can't get here"); | |
110 | } | |
111 | } | |
6fb7536b | 112 | } |
113 | ||
114 | safe_close(stream) | |
115 | FILE *stream; | |
116 | { | |
117 | if (fflush(stream) == EOF) | |
118 | punt("Unable to fflush"); | |
119 | if (fsync(fileno(stream)) != 0) | |
120 | punt("Unable to fsync"); | |
d55654f4 | 121 | (void) fclose(stream); |
6fb7536b | 122 | } |
123 | ||
d55654f4 | 124 | FILE *open_file(prefix, suffix) |
125 | char *prefix, *suffix; | |
126 | { | |
127 | char name[BUFSIZ]; | |
128 | int fd; | |
129 | FILE *f; | |
130 | ||
131 | (void) strcpy(name, prefix); | |
132 | (void) strcat(name, suffix); | |
133 | ||
134 | fd = open(name, O_CREAT|O_WRONLY|O_EXCL, 0644); | |
135 | if (fd < 0) { | |
136 | punt(name); | |
137 | } | |
138 | f = fdopen(fd, "w"); | |
139 | if (f == NULL) { | |
140 | fprintf(stderr, "fdopen of "); | |
141 | punt(name); | |
142 | } | |
143 | fprintf(stderr, "Working on %s\n", name); | |
144 | return(f); | |
145 | } | |
146 | ||
d6224b2e | 147 | |
148 | /* | |
149 | * Trim whitespace off both ends of a string. | |
150 | */ | |
151 | char *strtrim(save) | |
152 | register char *save; | |
153 | { | |
154 | register char *t, *s; | |
155 | ||
156 | s = save; | |
157 | while (isspace(*s)) s++; | |
158 | /* skip to end of string */ | |
159 | if (*s == '\0') { | |
160 | *save = '\0'; | |
161 | return(save); | |
162 | } | |
163 | ||
164 | for (t = s; *t; t++) continue; | |
165 | while (t > s) { | |
166 | --t; | |
167 | if (!isspace(*t)) { | |
168 | t++; | |
169 | break; | |
170 | } | |
171 | } | |
172 | *t = '\0'; | |
173 | return s; | |
174 | } | |
175 | ||
176 | ||
177 | ||
6fb7536b | 178 | /* |
179 | * Local Variables: | |
180 | * mode: c | |
181 | * c-indent-level: 4 | |
182 | * c-continued-statement-offset: 4 | |
183 | * c-brace-offset: -4 | |
184 | * c-argdecl-indent: 4 | |
185 | * c-label-offset: -4 | |
186 | * End: | |
187 | */ |