test
| 修订版 | ecd57f01e73ff374cda38b1627c34b345c2bb010 (tree) |
|---|---|
| 时间 | 2009-09-02 01:40:30 |
| 作者 |  TATEISHI Katsuyuki <kt@whee...> |
| Commiter | TATEISHI Katsuyuki |
Add new program 'from'.
The from is a program to print your mailbox summary.
src/Makefile.am (diff)
src/from.c (diff)| @@ -1,7 +1,9 @@ | ||
| 1 | 1 | INCLUDES = -I$(top_srcdir)/lib |
| 2 | 2 | LDADD = $(top_builddir)/lib/libsubr.a |
| 3 | 3 | |
| 4 | -bin_PROGRAMS = hello localtime | |
| 4 | +bin_PROGRAMS = from hello localtime | |
| 5 | + | |
| 6 | +from_SOURCES = from.c | |
| 5 | 7 | |
| 6 | 8 | hello_SOURCES = hello.c |
| 7 | 9 |
| @@ -0,0 +1,104 @@ | ||
| 1 | +#include <stdio.h> | |
| 2 | +#include <stdlib.h> | |
| 3 | +#include <string.h> | |
| 4 | +#include <unistd.h> | |
| 5 | +#include <err.h> | |
| 6 | + | |
| 7 | +#include "subr.h" | |
| 8 | +#include "config.h" | |
| 9 | + | |
| 10 | +const char *from_mark = "From "; | |
| 11 | + | |
| 12 | +void search_mail(FILE *mbox, const char *sender, int iscount); | |
| 13 | +void usage(); | |
| 14 | + | |
| 15 | +int | |
| 16 | +main(int argc, char **argv) { | |
| 17 | + char *path_mbox, *sender; | |
| 18 | + FILE *mbox; | |
| 19 | + char ch; | |
| 20 | + int count_mode = 0; | |
| 21 | + | |
| 22 | + path_mbox = sender = NULL; | |
| 23 | + | |
| 24 | + setprogname(argv[0]); | |
| 25 | + | |
| 26 | + while ((ch = getopt(argc, argv, "cf:s:")) != -1) { | |
| 27 | + switch (ch) { | |
| 28 | + case 'c': | |
| 29 | + count_mode = 1; | |
| 30 | + break; | |
| 31 | + case 'f': | |
| 32 | + path_mbox = optarg; | |
| 33 | + break; | |
| 34 | + case 's': | |
| 35 | + sender = optarg; | |
| 36 | + break; | |
| 37 | + default: | |
| 38 | + usage(); | |
| 39 | + return 1; | |
| 40 | + } | |
| 41 | + } | |
| 42 | + argc -= optind; | |
| 43 | + argv += optind; | |
| 44 | + | |
| 45 | + if (path_mbox == NULL) { | |
| 46 | + path_mbox = getenv("MAIL"); | |
| 47 | + mbox = fopen(path_mbox, "r"); | |
| 48 | + } else if (strcmp(path_mbox, "-") == 0) { | |
| 49 | + mbox = stdin; | |
| 50 | + } else { | |
| 51 | + mbox = fopen(path_mbox, "r"); | |
| 52 | + } | |
| 53 | + | |
| 54 | + if (mbox == NULL) | |
| 55 | + err(1, "fopen():", getprogname()); | |
| 56 | + | |
| 57 | + search_mail(mbox, sender, count_mode); | |
| 58 | + | |
| 59 | + return 0; | |
| 60 | +} | |
| 61 | + | |
| 62 | +void search_mail(FILE *mbox, const char *sender, int iscount) | |
| 63 | +{ | |
| 64 | + char str[BUFSIZ], *ret; | |
| 65 | + int flag = 1; | |
| 66 | + int nmails = 0; | |
| 67 | + | |
| 68 | + while((ret = fgets(str, BUFSIZ, mbox)) != NULL) { | |
| 69 | + if (strcmp(str, "\n") == 0) { | |
| 70 | + flag = 1; | |
| 71 | + continue; | |
| 72 | + } | |
| 73 | + | |
| 74 | + if (flag && strncmp(str, from_mark, strlen(from_mark)) == 0) { | |
| 75 | + flag = 0; | |
| 76 | + if (sender && (strpbrk(sender, str) == NULL)) { | |
| 77 | + continue; | |
| 78 | + } | |
| 79 | + | |
| 80 | + if (iscount) | |
| 81 | + nmails++; | |
| 82 | + else | |
| 83 | + printf("%s", str); | |
| 84 | + } | |
| 85 | + } | |
| 86 | + | |
| 87 | + if (feof(mbox)) { | |
| 88 | + if (iscount) { | |
| 89 | + printf("There %s %d message%s in your" | |
| 90 | + " incoming mailbox.\n", | |
| 91 | + (nmails == 1) ? "is" : "are", | |
| 92 | + nmails, | |
| 93 | + (nmails == 1) ? "" : "s"); | |
| 94 | + } | |
| 95 | + } else { | |
| 96 | + err(1, "fgets()"); | |
| 97 | + } | |
| 98 | + | |
| 99 | +} | |
| 100 | + | |
| 101 | +void | |
| 102 | +usage() { | |
| 103 | + fprintf(stderr, "Usage: %s [-c] [-f file] [-s sender] [user]\n", getprogname()); | |
| 104 | +} |
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