2 * SPDX-License-Identifier: BSD-3-Clause
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32 #include <sys/types.h>
42 static int match(const char *, const char *);
43 static void usage(void) __dead2;
46 main(int argc, char **argv)
50 int ch, count, newline;
53 #if MAXPATHLEN > BUFSIZ
61 while ((ch = getopt(argc, argv, "cf:s:")) != -1)
71 for (p = sender; *p; ++p)
83 (void)snprintf(buf, sizeof(buf), "%s/%s", _PATH_MAILDIR, *argv);
86 if (!(file = getenv("MAIL"))) {
87 if (!(pwd = getpwuid(getuid())))
88 errx(1, "no password file entry for you");
90 (void)snprintf(buf, sizeof(buf),
91 "%s/%s", _PATH_MAILDIR, file);
98 if (strcmp(file, "-") == 0) {
101 else if ((mbox = fopen(file, "r")) == NULL) {
102 errx(1, "can't read %s", file);
104 for (newline = 1; fgets(buf, sizeof(buf), mbox);) {
109 if (newline && !strncmp(buf, "From ", 5) &&
110 (!sender || match(buf + 5, sender))) {
119 printf("There %s %d message%s in your incoming mailbox.\n",
120 count == 1 ? "is" : "are", count, count == 1 ? "" : "s");
128 fprintf(stderr, "usage: from [-c] [-f file] [-s sender] [user]\n");
133 match(const char *line, const char *sender)
138 for (first = *sender++;;) {
139 if (isspace(ch = *line))
145 for (p = sender, t = line;;) {