diff options
author | Denis Vlasenko <vda.linux@googlemail.com> | 2006-10-07 20:24:46 +0400 |
---|---|---|
committer | Denis Vlasenko <vda.linux@googlemail.com> | 2006-10-07 20:24:46 +0400 |
commit | 5625415085e68ac5e150f54e685417c866620d76 (patch) | |
tree | 4146667d4080f97bc39ac96d844c01a8956aeeca /coreutils | |
parent | 890ac9deb2cc57cadd7aba4ee91bd012e19e239d (diff) |
dd: make it recognize not only 'k' but 'K' too;
make it (partially) CONFIG_LFS-aware
Diffstat (limited to 'coreutils')
-rw-r--r-- | coreutils/dd.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/coreutils/dd.c b/coreutils/dd.c index 8d859ef5c..e63244d81 100644 --- a/coreutils/dd.c +++ b/coreutils/dd.c @@ -17,6 +17,7 @@ static const struct suffix_mult dd_suffixes[] = { { "b", 512 }, { "kD", 1000 }, { "k", 1024 }, + { "K", 1024 }, // compat with coreutils dd { "MD", 1000000 }, { "M", 1048576 }, { "GD", 1000000000 }, @@ -24,25 +25,26 @@ static const struct suffix_mult dd_suffixes[] = { { NULL, 0 } }; -static size_t out_full, out_part, in_full, in_part; +static FILEOFF_TYPE out_full, out_part, in_full, in_part; static void dd_output_status(int ATTRIBUTE_UNUSED cur_signal) { - bb_fprintf(stderr, "%ld+%ld records in\n%ld+%ld records out\n", - (long)in_full, (long)in_part, - (long)out_full, (long)out_part); + bb_fprintf(stderr, FILEOFF_FMT"+"FILEOFF_FMT" records in\n" + FILEOFF_FMT"+"FILEOFF_FMT" records out\n", + in_full, in_part, + out_full, out_part); } int dd_main(int argc, char **argv) { -#define sync_flag (1<<0) -#define noerror (1<<1) -#define trunc_flag (1<<2) +#define sync_flag (1<<0) +#define noerror (1<<1) +#define trunc_flag (1<<2) #define twobufs_flag (1<<3) int flags = trunc_flag; - size_t count = -1, oc = 0, ibs = 512, obs = 512; + size_t oc = 0, ibs = 512, obs = 512; ssize_t n; - off_t seek = 0, skip = 0; + FILEOFF_TYPE seek = 0, skip = 0, count = MAX_FILEOFF_TYPE; int oflag, ifd, ofd; const char *infile = NULL, *outfile = NULL; char *ibuf, *obuf; @@ -58,6 +60,7 @@ int dd_main(int argc, char **argv) } for (n = 1; n < argc; n++) { + // FIXME: make them capable of eating LARGE numbers if (ENABLE_FEATURE_DD_IBS_OBS && !strncmp("ibs=", argv[n], 4)) { ibs = bb_xparse_number(argv[n]+4, dd_suffixes); flags |= twobufs_flag; @@ -80,7 +83,7 @@ int dd_main(int argc, char **argv) ibuf = argv[n]+5; while (1) { if (!strncmp("notrunc", ibuf, 7)) { - flags ^= trunc_flag; + flags &= ~trunc_flag; ibuf += 7; } else if (!strncmp("sync", ibuf, 4)) { flags |= sync_flag; @@ -105,14 +108,14 @@ int dd_main(int argc, char **argv) obuf = ibuf; if (infile != NULL) - ifd = xopen(infile, O_RDONLY); + ifd = xopen(infile, O_RDONLY | (O_LARGEFILE * ENABLE_LFS)); else { ifd = STDIN_FILENO; infile = bb_msg_standard_input; } if (outfile != NULL) { - oflag = O_WRONLY | O_CREAT; + oflag = O_WRONLY | O_CREAT | (O_LARGEFILE * ENABLE_LFS); if (!seek && (flags & trunc_flag)) oflag |= O_TRUNC; @@ -134,7 +137,7 @@ int dd_main(int argc, char **argv) } if (skip) { - if (lseek(ifd, skip * ibs, SEEK_CUR) < 0) { + if (LSEEK(ifd, skip * ibs, SEEK_CUR) < 0) { while (skip-- > 0) { n = safe_read(ifd, ibuf, ibs); if (n < 0) @@ -146,7 +149,7 @@ int dd_main(int argc, char **argv) } if (seek) { - if (lseek(ofd, seek * obs, SEEK_CUR) < 0) + if (LSEEK(ofd, seek * obs, SEEK_CUR) < 0) goto die_outfile; } |