/* http://www.opengroup.org/onlinepubs/007904975/utilities/tee.html */
#include "libbb.h"
-#include <signal.h>
int tee_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int tee_main(int argc, char **argv)
mode += (retval & 2); /* Since 'a' is the 2nd option... */
if (retval & 1) {
- signal(SIGINT, SIG_IGN); /* TODO - switch to sigaction. */
+ signal(SIGINT, SIG_IGN); /* TODO - switch to sigaction. (why?) */
}
retval = EXIT_SUCCESS;
/* gnu tee ignores SIGPIPE in case one of the output files is a pipe
* that doesn't consume all its input. Good idea... */
- signal(SIGPIPE, SIG_IGN); /* TODO - switch to sigaction. */
+ signal(SIGPIPE, SIG_IGN);
/* Allocate an array of FILE *'s, with one extra for a sentinal. */
fp = files = xzalloc(sizeof(FILE *) * (argc + 2));
files[0] = stdout;
goto GOT_NEW_FILE;
do {
- *fp = fopen_or_warn(*argv, mode);
- if (*fp == NULL) {
- retval = EXIT_FAILURE;
- continue;
+ *fp = stdout;
+ if (NOT_LONE_DASH(*argv)) {
+ *fp = fopen_or_warn(*argv, mode);
+ if (*fp == NULL) {
+ retval = EXIT_FAILURE;
+ argv++;
+ continue;
+ }
}
*np = *argv++;
GOT_NEW_FILE:
- setbuf(*fp++, NULL); /* tee must not buffer output. */
+ setbuf(*fp, NULL); /* tee must not buffer output. */
+ fp++;
np++;
} while (*argv);
/* names[0] will be filled later */