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Commit | Line | Data |
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d77bf7b9 | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * (c) Copyright 1988 by the Massachusetts Institute of Technology. | |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
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 | * | |
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> | |
21 | #include <ctype.h> | |
22 | #include <mit-copyright.h> | |
0f9132cd | 23 | EXEC SQL INCLUDE sqlca; |
d77bf7b9 | 24 | #include "dump_db.h" |
25 | ||
26 | /* putc without the line buffer hair */ | |
27 | ||
28 | #define putc1(x, p) (--(p)->_cnt >= 0 ?\ | |
29 | (int)(*(unsigned char *)(p)->_ptr++ = (x)) :\ | |
30 | _flsbuf((unsigned char)(x), p)) | |
31 | ||
32 | FILE *open_file(); | |
33 | ||
8173ad47 | 34 | char act[257]; |
d77bf7b9 | 35 | |
36 | main(argc, argv) | |
37 | int argc; | |
38 | char **argv; | |
39 | { | |
40 | char *prefix; | |
41 | register int i; | |
42 | ||
43 | if (argc != 2) { | |
8173ad47 | 44 | fprintf(stderr, "Usage: %s prefix\n", argv[0]); |
d77bf7b9 | 45 | exit(1); |
46 | } | |
47 | prefix = argv[1]; | |
48 | ||
8173ad47 | 49 | bzero(act, 256); |
d77bf7b9 | 50 | |
8173ad47 | 51 | for (i=0; i<' '; i++) act[i]=2; |
52 | for (i=128; i<256; i++) act[i]=2; | |
d77bf7b9 | 53 | act[SEP_CHAR]=1; |
54 | act['\\']=1; | |
55 | act[127]=2; | |
d77bf7b9 | 56 | |
0f9132cd | 57 | EXEC SQL CONNECT moira; |
58 | EXEC SQL set lockmode session where level = table; | |
d77bf7b9 | 59 | |
60 | do_backups(prefix); | |
61 | ||
0f9132cd | 62 | EXEC SQL DISCONNECT; |
d77bf7b9 | 63 | exit(0); |
64 | } | |
65 | ||
66 | dump_int(f, n) | |
67 | FILE *f; | |
68 | int n; | |
69 | { | |
70 | char buf[1024]; | |
71 | (void) sprintf(buf, "%d", n); | |
72 | dump_str(f, buf); | |
73 | } | |
74 | ||
75 | wpunt() | |
76 | { | |
77 | punt("can't write backup file"); | |
78 | } | |
79 | ||
80 | dump_str(f, str) | |
81 | register FILE *f; | |
82 | register char *str; | |
83 | { | |
84 | char *strtrim(); | |
85 | register char *ibp = strtrim(str); | |
86 | register int c; /* PCC doesn't put chars in registers.. */ | |
8173ad47 | 87 | register int t; |
88 | ||
639a8de3 | 89 | for (; c = (unsigned char) *ibp; ibp++) { |
90 | switch(act[c]) { | |
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 | break; | |
107 | ||
108 | default: | |
109 | punt("Can't get here"); | |
110 | } | |
111 | } | |
112 | } | |
113 | ||
114 | dump_bin(f, str) | |
115 | register FILE *f; | |
116 | register char *str; | |
117 | { | |
118 | register char *ibp = str; | |
119 | register int c; /* PCC doesn't put chars in registers.. */ | |
120 | register int t; | |
121 | ||
8173ad47 | 122 | for (; c = (unsigned char) *ibp; ibp++) { |
d77bf7b9 | 123 | switch(act[c]) { |
d77bf7b9 | 124 | case 1: |
125 | if (putc1('\\', f) < 0) wpunt(); | |
126 | /* fall thru.. */ | |
127 | case 0: | |
128 | if (putc1(c, f) < 0) wpunt(); | |
129 | ||
130 | break; | |
131 | case 2: | |
132 | if (putc1('\\', f) < 0) wpunt(); | |
133 | t = ((c>>6)&7) + '0'; | |
134 | if (putc1(t,f) < 0) wpunt(); | |
135 | t = ((c>>3)&7) + '0'; | |
136 | if (putc1(t,f) < 0) wpunt(); | |
137 | t = (c&7) + '0'; | |
138 | if (putc1(t,f) < 0) wpunt(); | |
d77bf7b9 | 139 | break; |
140 | ||
141 | default: | |
142 | punt("Can't get here"); | |
143 | } | |
144 | } | |
145 | } | |
146 | ||
147 | safe_close(stream) | |
148 | FILE *stream; | |
149 | { | |
150 | if (fflush(stream) == EOF) | |
151 | punt("Unable to fflush"); | |
152 | if (fsync(fileno(stream)) != 0) | |
153 | punt("Unable to fsync"); | |
154 | (void) fclose(stream); | |
155 | } | |
156 | ||
157 | FILE *open_file(prefix, suffix) | |
158 | char *prefix, *suffix; | |
159 | { | |
160 | char name[BUFSIZ]; | |
161 | int fd; | |
162 | FILE *f; | |
163 | ||
164 | (void) strcpy(name, prefix); | |
165 | (void) strcat(name, suffix); | |
166 | ||
167 | fd = open(name, O_CREAT|O_WRONLY|O_EXCL, 0644); | |
168 | if (fd < 0) { | |
169 | punt(name); | |
170 | } | |
171 | f = fdopen(fd, "w"); | |
172 | if (f == NULL) { | |
173 | fprintf(stderr, "fdopen of "); | |
174 | punt(name); | |
175 | } | |
176 | fprintf(stderr, "Working on %s\n", name); | |
177 | return(f); | |
178 | } | |
179 | ||
180 | ||
181 | /* | |
182 | * Trim whitespace off both ends of a string. | |
183 | */ | |
184 | char *strtrim(save) | |
185 | register char *save; | |
186 | { | |
187 | register char *t, *s; | |
188 | ||
189 | s = save; | |
190 | while (isspace(*s)) s++; | |
191 | /* skip to end of string */ | |
192 | if (*s == '\0') { | |
193 | *save = '\0'; | |
194 | return(save); | |
195 | } | |
196 | ||
197 | for (t = s; *t; t++) continue; | |
198 | while (t > s) { | |
199 | --t; | |
200 | if (!isspace(*t)) { | |
201 | t++; | |
202 | break; | |
203 | } | |
204 | } | |
205 | *t = '\0'; | |
206 | return s; | |
207 | } |