Mercurial > hg > mlmmj
annotate src/mlmmj-list.c @ 756:f8f3f4525a2b
Cosmetic changes to help messages
| author | Ben Schmidt |
|---|---|
| date | Fri, 08 Oct 2010 01:47:46 +1100 |
| parents | 945ef20e9d08 |
| children |
| rev | line source |
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| 367 | 1 /* Copyright (C) 2004 Mads Martin Joergensen <mmj at mmj.dk> |
| 2 * | |
| 3 * $Id$ | |
| 4 * | |
| 5 * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 6 * of this software and associated documentation files (the "Software"), to | |
| 7 * deal in the Software without restriction, including without limitation the | |
| 8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
| 9 * sell copies of the Software, and to permit persons to whom the Software is | |
| 10 * furnished to do so, subject to the following conditions: | |
| 11 * | |
| 12 * The above copyright notice and this permission notice shall be included in | |
| 13 * all copies or substantial portions of the Software. | |
| 14 * | |
| 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
| 21 * IN THE SOFTWARE. | |
| 22 */ | |
| 23 | |
| 24 #include <stdio.h> | |
| 25 #include <stdlib.h> | |
| 26 #include <unistd.h> | |
| 27 #include <fcntl.h> | |
| 28 #include <dirent.h> | |
| 29 #include <string.h> | |
| 30 #include <sys/types.h> | |
| 31 #include <sys/stat.h> | |
| 32 #include <sys/mman.h> | |
| 33 | |
| 34 #include "mlmmj.h" | |
| 35 #include "wrappers.h" | |
| 36 #include "memory.h" | |
| 37 #include "strgen.h" | |
| 38 #include "log_error.h" | |
| 39 | |
| 40 static void print_help(const char *prg) | |
| 41 { | |
| 756 | 42 printf("Usage: %s -L /path/to/listdir\n" |
| 43 " [-c] [-d] [-h] [-m] [-n] [-o] [-s] [-V]\n" | |
| 367 | 44 " -L: Full path to list directory\n" |
| 389 | 45 " -c: Print subscriber count\n" |
| 367 | 46 " -d: Print for digesters list\n" |
| 389 | 47 " -h: This help\n" |
| 48 " -m: Print moderators for list\n" | |
|
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49 " -n: Print for nomail version of list\n" |
| 389 | 50 " -o: Print owner(s) of list\n" |
| 51 " -s: Print normal subscribers (default) \n" | |
| 367 | 52 " -V: Print version\n", prg); |
| 53 exit(EXIT_SUCCESS); | |
| 54 } | |
| 55 | |
| 389 | 56 int dumpcount(const char *filename, int *count) |
| 57 { | |
| 58 int fd; | |
| 59 char *start, *next, *cur; | |
| 60 struct stat st; | |
| 61 size_t len; | |
| 62 | |
| 63 if((fd = open(filename, O_RDONLY)) < 0) | |
| 64 return -1; | |
| 65 | |
| 66 if(stat(filename, &st) < 0) | |
| 67 return -1; | |
| 68 | |
| 69 if(!S_ISREG(st.st_mode)) | |
| 70 return -1; | |
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71 |
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72 /* Nobody there */ |
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73 if(st.st_size == 0) { |
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74 return 0; |
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75 } |
| 389 | 76 |
| 77 start = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0); | |
| 78 if(start == MAP_FAILED) | |
| 79 return -1; | |
| 80 | |
| 81 for(next = cur = start; next < start + st.st_size; next++) { | |
| 82 if(*next == '\n' || next == start + st.st_size - 1) { | |
| 83 len = next - cur; | |
| 84 if(next == start + st.st_size - 1 && *next != '\n') | |
| 85 len++; | |
| 86 if(count) | |
| 87 (*count)++; | |
| 88 else { | |
| 89 writen(STDOUT_FILENO, cur, len); | |
| 90 writen(STDOUT_FILENO, "\n", 1); | |
| 91 } | |
| 92 cur = next + 1; | |
| 93 } | |
| 94 } | |
| 95 munmap(start, st.st_size); | |
| 96 close(fd); | |
| 97 | |
| 98 return 0; | |
| 99 } | |
| 100 | |
| 367 | 101 int main(int argc, char **argv) |
| 102 { | |
| 389 | 103 int opt, ret, count = 0, docount = 0; |
| 104 char *listdir = NULL, *fileiter = NULL, *tmp; | |
| 105 char *subddir, *subdir, *subfile = NULL; | |
| 367 | 106 DIR *dirp; |
| 107 struct dirent *dp; | |
| 108 enum subtype typesub = SUB_NORMAL; | |
| 109 | |
| 389 | 110 while ((opt = getopt(argc, argv, "cdhmnosVL:")) != -1) { |
| 367 | 111 switch(opt) { |
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112 case 'c': |
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113 docount = 1; |
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114 break; |
| 367 | 115 case 'd': |
| 116 typesub = SUB_DIGEST; | |
| 117 break; | |
| 118 case 'h': | |
| 119 print_help(argv[0]); | |
| 120 break; | |
| 121 case 'L': | |
| 122 listdir = optarg; | |
| 123 break; | |
| 389 | 124 case 'm': |
| 125 typesub = SUB_FILE; | |
| 126 subfile = "/control/moderators"; | |
| 127 break; | |
| 367 | 128 case 'n': |
| 129 typesub = SUB_NOMAIL; | |
| 130 break; | |
| 389 | 131 case 'o': |
| 132 typesub = SUB_FILE; | |
| 133 subfile = "/control/owner"; | |
| 134 break; | |
| 367 | 135 case 'V': |
| 136 print_version(argv[0]); | |
| 137 exit(EXIT_SUCCESS); | |
| 389 | 138 default: |
| 139 case 's': | |
| 140 typesub = SUB_NORMAL; | |
| 141 break; | |
| 367 | 142 } |
| 143 } | |
| 144 | |
| 145 if(listdir == NULL) { | |
| 146 fprintf(stderr, "You have to specify -L\n" | |
| 147 "%s -h for help\n", argv[0]); | |
| 148 exit(EXIT_FAILURE); | |
| 149 } | |
| 150 | |
| 151 switch(typesub) { | |
| 152 default: | |
| 153 case SUB_NORMAL: | |
| 389 | 154 subddir = "/subscribers.d/"; |
| 367 | 155 break; |
| 156 case SUB_DIGEST: | |
| 389 | 157 subddir = "/digesters.d/"; |
| 367 | 158 break; |
| 159 case SUB_NOMAIL: | |
| 389 | 160 subddir = "/nomailsubs.d/"; |
| 161 break; | |
| 162 case SUB_FILE: | |
| 163 subddir = NULL; | |
| 367 | 164 break; |
| 165 } | |
| 166 | |
| 389 | 167 if(subddir) |
| 168 subdir = concatstr(2, listdir, subddir); | |
| 169 else | |
| 170 subdir = NULL; | |
| 367 | 171 |
| 389 | 172 if(subdir) { |
| 173 dirp = opendir(subdir); | |
| 174 if(dirp == NULL) { | |
| 175 fprintf(stderr, "Could not opendir(%s);\n", subdir); | |
| 176 exit(EXIT_FAILURE); | |
| 177 } | |
| 178 while((dp = readdir(dirp)) != NULL) { | |
| 179 if((strcmp(dp->d_name, "..") == 0) || | |
| 180 (strcmp(dp->d_name, ".") == 0)) | |
| 181 continue; | |
| 367 | 182 |
| 389 | 183 fileiter = concatstr(2, subdir, dp->d_name); |
| 184 | |
| 185 if(docount) | |
| 186 dumpcount(fileiter, &count); | |
| 187 else | |
| 188 ret = dumpcount(fileiter, NULL); | |
| 189 | |
| 367 | 190 myfree(fileiter); |
| 191 } | |
| 389 | 192 myfree(subdir); |
| 193 closedir(dirp); | |
| 194 } else { | |
| 195 tmp = concatstr(2, listdir, subfile); | |
| 196 if(docount) | |
| 197 dumpcount(tmp, &count); | |
| 198 else | |
| 199 dumpcount(tmp, NULL); | |
| 367 | 200 } |
| 201 | |
| 202 if(docount) | |
| 203 printf("%d\n", count); | |
| 204 | |
| 205 | |
| 206 return 0; | |
| 207 } |