/*
* Read lines from a file stream (normally STDIN)
* Returns the number of regular files to be watched or -1 if max_files is
* exceeded
*/
int
process_input(FILE *file, WatchFile *files[], int max_files) {
char buf[PATH_MAX];
char *p, *path;
int n_files = 0;
struct stat sb;
int i, matches;
while (fgets(buf, sizeof(buf), file) != NULL) {
buf[PATH_MAX-1] = '\0';
if ((p = strchr(buf, '\n')) != NULL)
*p = '\0';
if (buf[0] == '\0')
continue;
if (xstat(buf, &sb) == -1) {
xwarnx("unable to stat '%s'", buf);
continue;
}
if (S_ISREG(sb.st_mode) != 0) {
files[n_files] = malloc(sizeof(WatchFile));
strlcpy(files[n_files]->fn, buf, MEMBER_SIZE(WatchFile, fn));
files[n_files]->is_dir = 0;
files[n_files]->file_count = 0;
files[n_files]->mode = sb.st_mode;
n_files++;
}
/* also watch the directory if it's not already in the list */
if (dirwatch_opt == 1) {
if (S_ISDIR(sb.st_mode) != 0)
path = &buf[0];
else
if ((path = dirname(buf)) == 0)
err(1, "dirname '%s' failed", buf);
for (matches=0, i=0; i<n_files; i++)
if (strcmp(files[i]->fn, path) == 0) matches++;
if (matches == 0) {
files[n_files] = malloc(sizeof(WatchFile));
strlcpy(files[n_files]->fn, path,
MEMBER_SIZE(WatchFile, fn));
files[n_files]->is_dir = 1;
files[n_files]->file_count = xlist_dir(path);
files[n_files]->mode = sb.st_mode;
n_files++;
}
}
if (n_files+1 > max_files)
return -1;
}
return n_files;
}
/*
* Determine if the user is specifying FIFO mode by supplying a pathname
* prefixed with '+' and set the global mode flag accordingly
*/
int
set_fifo(char *argv[]) {
if (argv[0][0] == (int)'+') {
strlcpy(fifo.fn, argv[0]+1, MEMBER_SIZE(WatchFile, fn));
if (xmkfifo(fifo.fn, S_IRUSR| S_IWUSR) == -1)
err(1, "mkfifo '%s' failed", fifo.fn);
if ((fifo.fd = xopen(fifo.fn, O_WRONLY, 0)) == -1)
err(1, "open fifo '%s' failed", fifo.fn);
return 1;
}
memset(&fifo, 0, sizeof(fifo));
return 0;
}
