od: fix -S NUM to not print chars >0x80
function old new delta write_block 433 431 -2 print_ascii 217 215 -2 check_and_close 104 96 -8 od_main 2164 2139 -25 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -70,7 +70,7 @@ enum {
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/* Check for 0x7f is a coreutils 6.3 addition */
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#define ISPRINT(c) (((c)>=' ') && (c) != 0x7f)
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#define ISPRINT(c) (((c) >= ' ') && (c) < 0x7f)
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typedef long double longdouble_t;
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typedef unsigned long long ulonglong_t;
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@ -176,7 +176,7 @@ struct ERR_width_bytes_has_bad_size {
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static smallint exit_code;
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static size_t string_min;
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static unsigned string_min;
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/* An array of specs describing how to format each input block. */
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static size_t n_specs;
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@ -514,8 +514,7 @@ check_and_close(void)
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}
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if (ferror(stdout)) {
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bb_error_msg(bb_msg_write_error);
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exit_code = 1;
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bb_error_msg_and_die(bb_msg_write_error);
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}
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}
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@ -1043,29 +1042,6 @@ dump(off_t current_offset, off_t end_offset)
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free(block[0]);
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}
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/* Read a single byte into *C from the concatenation of the input files
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named in the global array FILE_LIST. On the first call to this
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function, the global variable IN_STREAM is expected to be an open
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stream associated with the input file INPUT_FILENAME. If IN_STREAM
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is at end-of-file, close it and update the global variables IN_STREAM
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and INPUT_FILENAME so they correspond to the next file in the list.
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Then try to read a byte from the newly opened file. Repeat if
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necessary until EOF is reached for the last file in FILE_LIST, then
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set *C to EOF and return. Subsequent calls do likewise. */
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static void
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read_char(int *c)
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{
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while (in_stream) { /* !EOF */
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*c = fgetc(in_stream);
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if (*c != EOF)
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return;
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check_and_close();
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open_next_file();
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}
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*c = EOF;
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}
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/* Read N bytes into BLOCK from the concatenation of the input files
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named in the global array FILE_LIST. On the first call to this
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function, the global variable IN_STREAM is expected to be an open
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@ -1089,8 +1065,8 @@ read_char(int *c)
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static void
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dump_strings(off_t address, off_t end_offset)
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{
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size_t bufsize = MAX(100, string_min);
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char *buf = xmalloc(bufsize);
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unsigned bufsize = MAX(100, string_min);
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unsigned char *buf = xmalloc(bufsize);
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while (1) {
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size_t i;
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@ -1106,11 +1082,17 @@ dump_strings(off_t address, off_t end_offset)
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bufsize += bufsize/8;
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buf = xrealloc(buf, bufsize);
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}
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read_char(&c);
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if (c < 0) { /* EOF */
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free(buf);
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return;
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while (in_stream) { /* !EOF */
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c = fgetc(in_stream);
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if (c != EOF)
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goto got_char;
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check_and_close();
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open_next_file();
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}
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/* EOF */
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goto ret;
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got_char:
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address++;
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if (!c)
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break;
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@ -1122,8 +1104,7 @@ dump_strings(off_t address, off_t end_offset)
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if (i < string_min) /* Too short! */
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goto tryline;
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/* If we get here, the string is all printable and NUL-terminated,
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* so print it. It is all in 'buf' and 'i' is its length. */
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/* If we get here, the string is all printable and NUL-terminated */
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buf[i] = 0;
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format_address(address - i - 1, ' ');
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@ -1144,9 +1125,9 @@ dump_strings(off_t address, off_t end_offset)
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/* We reach this point only if we search through
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(max_bytes_to_format - string_min) bytes before reaching EOF. */
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free(buf);
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check_and_close();
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ret:
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free(buf);
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}
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#if ENABLE_LONG_OPTS
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@ -1397,7 +1378,7 @@ int od_main(int argc UNUSED_PARAM, char **argv)
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else
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dump(n_bytes_to_skip, end_offset);
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if (fclose(stdin) == EOF)
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if (fclose(stdin))
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bb_perror_msg_and_die(bb_msg_standard_input);
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return exit_code;
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