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authorBernhard Reutner-Fischer2006-08-28 23:31:54 +0000
committerBernhard Reutner-Fischer2006-08-28 23:31:54 +0000
commit73561cc75ac31e63bcab4b4ebfaf738e4ca225e6 (patch)
tree2a57564b8917a983365c765d4daa83032d9f0a17 /coreutils/catv.c
parent6ce8dae1d5a201156a83201de6c49cdcc4c8df3e (diff)
downloadbusybox-73561cc75ac31e63bcab4b4ebfaf738e4ca225e6.zip
busybox-73561cc75ac31e63bcab4b4ebfaf738e4ca225e6.tar.gz
- pull from busybox_scratch: r15829:15850
Various fixes, cleanups and shrinkage: saves 952 Bytes: text data bss dec hex filename 1087742 15853 790632 1894227 1ce753 ../busybox/busybox.old 1086790 15853 790632 1893275 1ce39b busybox via: # scripts/bloat-o-meter ../busybox/busybox_unstripped.old busybox_unstripped function old new delta ipcrm_main 756 822 +66 getval - 61 +61 maybe_set_utc - 40 +40 udhcpc_main 2896 2912 +16 md5_hash_block 428 437 +9 opt 8 16 +8 qgravechar 106 110 +4 make_bitmap 292 295 +3 inflate_unzip 2056 2059 +3 add_partition 1412 1414 +2 __parsespent 156 158 +2 qrealloc 41 42 +1 format - 1 +1 catv_main 313 314 +1 watch_main 293 292 -1 varunset 81 80 -1 part 1 - -1 check_if_skip 837 836 -1 start_stop_daemon_main 840 837 -3 create_lost_and_found 175 172 -3 supress_non_delimited_lines 4 - -4 static.l 4 - -4 static.c 5 1 -4 bsd_sum_file 237 233 -4 eval2 338 332 -6 arithmetic_common 166 158 -8 cmpfunc 22 5 -17 cksum_main 294 275 -19 cmp_main 465 439 -26 dd_main 1535 1508 -27 rmmod_main 376 333 -43 cut_file 727 644 -83 ipcs_main 3809 3721 -88 cut_main 722 614 -108 date_main 1443 1263 -180 remove_ids 222 - -222 ------------------------------------------------------------------------------ (add/remove: 3/4 grow/shrink: 11/18 up/down: 217/-853) Total: -636 bytes
Diffstat (limited to 'coreutils/catv.c')
-rw-r--r--coreutils/catv.c44
1 files changed, 25 insertions, 19 deletions
diff --git a/coreutils/catv.c b/coreutils/catv.c
index e182039..f8229c2 100644
--- a/coreutils/catv.c
+++ b/coreutils/catv.c
@@ -14,49 +14,55 @@
int catv_main(int argc, char **argv)
{
- int retval = EXIT_SUCCESS, fd, flags;
+ int retval = EXIT_SUCCESS, fd;
+ unsigned long flags;
flags = bb_getopt_ulflags(argc, argv, "etv");
- flags ^= 4;
-
- // Loop through files.
+#define CATV_OPT_e (1<<0)
+#define CATV_OPT_t (1<<1)
+#define CATV_OPT_v (1<<2)
+ flags ^= CATV_OPT_v;
argv += optind;
do {
- // Read from stdin if there's nothing else to do.
-
+ /* Read from stdin if there's nothing else to do. */
fd = 0;
- if (*argv && 0>(fd = xopen(*argv, O_RDONLY))) retval = EXIT_FAILURE;
- else for(;;) {
+ if (*argv && 0 > (fd = xopen(*argv, O_RDONLY)))
+ retval = EXIT_FAILURE;
+ else for (;;) {
int i, res;
res = read(fd, bb_common_bufsiz1, sizeof(bb_common_bufsiz1));
- if (res < 0) retval = EXIT_FAILURE;
- if (res <1) break;
- for (i=0; i<res; i++) {
- char c=bb_common_bufsiz1[i];
+ if (res < 0)
+ retval = EXIT_FAILURE;
+ if (res < 1)
+ break;
+ for (i = 0; i < res; i++) {
+ char c = bb_common_bufsiz1[i];
- if (c > 126 && (flags & 4)) {
+ if (c > 126 && (flags & CATV_OPT_v)) {
if (c == 127) {
- printf("^?");
+ bb_printf("^?");
continue;
} else {
- printf("M-");
+ bb_printf("M-");
c -= 128;
}
}
if (c < 32) {
if (c == 10) {
- if (flags & 1) putchar('$');
- } else if (flags & (c==9 ? 2 : 4)) {
- printf("^%c", c+'@');
+ if (flags & CATV_OPT_e)
+ putchar('$');
+ } else if (flags & (c==9 ? CATV_OPT_t : CATV_OPT_v)) {
+ bb_printf("^%c", c+'@');
continue;
}
}
putchar(c);
}
}
- if (ENABLE_FEATURE_CLEAN_UP && fd) close(fd);
+ if (ENABLE_FEATURE_CLEAN_UP && fd)
+ close(fd);
} while (*++argv);
return retval;