README: doccument the need of CONFIG_DESKTOP

od: fix help text to include -t
od: handle /proc files (which have filesize 0) correctly
od: fix comments to not lie about return value
od: "%u" is 1 byte less than "%zu"
cat: fix English
This commit is contained in:
Denis Vlasenko 2008-02-08 15:41:01 +00:00
parent 7dbf1b4d9e
commit 97bd0e05cc
4 changed files with 15 additions and 16 deletions

3
README
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@ -82,6 +82,9 @@ Downloading the current source code:
is generally a faster way of getting it fixed, and the complete archive of
what happened is the subversion changelog.
Note: if you want to compile busybox in a busybox environment you must
select ENABLE_DESKTOP.
----------------
getting help:

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@ -30,7 +30,7 @@ int bb_cat(char **argv)
if (!LONE_DASH(*argv))
fd = open_or_warn(*argv, O_RDONLY);
if (fd >= 0) {
/* This is not an xfunc - never exits */
/* This is not a xfunc - never exits */
off_t r = bb_copyfd_eof(fd, STDOUT_FILENO);
if (fd != STDIN_FILENO)
close(fd);

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@ -723,7 +723,7 @@ decode_one_format(const char *s_orig, const char *s, const char **next,
/* Decode the modern od format string S. Append the decoded
representation to the global array SPEC, reallocating SPEC if
necessary. Return zero if S is valid, nonzero otherwise. */
necessary. */
static void
decode_format_string(const char *s)
@ -776,18 +776,18 @@ skip(off_t n_skip)
as large as the size of the current file, we can
decrement n_skip and go on to the next file. */
if (fstat(fileno(in_stream), &file_stats) == 0
&& S_ISREG(file_stats.st_mode) && file_stats.st_size >= 0
&& S_ISREG(file_stats.st_mode) && file_stats.st_size > 0
) {
if (file_stats.st_size < n_skip) {
n_skip -= file_stats.st_size;
/* take check&close / open_next route */
/* take "check & close / open_next" route */
} else {
if (fseeko(in_stream, n_skip, SEEK_CUR) != 0)
ioerror = 1;
return;
}
} else {
/* If it's not a regular file with nonnegative size,
/* If it's not a regular file with positive size,
position the file pointer by reading. */
char buf[1024];
size_t n_bytes_to_read = 1024;
@ -1000,9 +1000,7 @@ parse_old_offset(const char *s, off_t *offset)
spec, extend the input block with zero bytes until its length is a
multiple of all format spec sizes. Write the final block. Finally,
write on a line by itself the offset of the byte after the last byte
read. Accumulate return values from calls to read_block and
check_and_close, and if any was nonzero, return nonzero.
Otherwise, return zero. */
read. */
static void
dump(off_t current_offset, off_t end_offset)
@ -1078,8 +1076,7 @@ dump(off_t current_offset, off_t end_offset)
and INPUT_FILENAME so they correspond to the next file in the list.
Then try to read a byte from the newly opened file. Repeat if
necessary until EOF is reached for the last file in FILE_LIST, then
set *C to EOF and return. Subsequent calls do likewise. The return
value is nonzero if any errors occured, zero otherwise. */
set *C to EOF and return. Subsequent calls do likewise. */
static void
read_char(int *c)
@ -1112,8 +1109,7 @@ read_char(int *c)
A string constant is a run of at least 'string_min' ASCII
graphic (or formatting) characters terminated by a null.
Based on a function written by Richard Stallman for a
traditional version of od. Return nonzero if an error
occurs. Otherwise, return zero. */
traditional version of od. */
static void
dump_strings(off_t address, off_t end_offset)
@ -1412,8 +1408,8 @@ int od_main(int argc, char **argv)
if (str_w)
bytes_per_block = xatou(str_w);
if (!bytes_per_block || bytes_per_block % l_c_m != 0) {
bb_error_msg("warning: invalid width %zu; using %d instead",
bytes_per_block, l_c_m);
bb_error_msg("warning: invalid width %u; using %d instead",
(unsigned)bytes_per_block, l_c_m);
bytes_per_block = l_c_m;
}
} else {

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@ -2654,10 +2654,10 @@ USE_FEATURE_BRCTL_FANCY("\n" \
"Address: 127.0.0.1\n"
#define od_trivial_usage \
"[-aBbcDdeFfHhIiLlOovXx] [FILE]"
"[-aBbcDdeFfHhIiLlOovXx] " USE_DESKTOP("[-t TYPE] ") "[FILE]"
#define od_full_usage \
"Write an unambiguous representation, octal bytes by default, of FILE\n" \
"to standard output. With no FILE, or when FILE is -, read standard input."
"to standard output. With no FILE or when FILE is -, read standard input."
#define openvt_trivial_usage \
"VTNUM COMMAND [ARGS...]"