diff options
| -rw-r--r-- | coreutils/od_bloaty.c | 57 |
1 files changed, 19 insertions, 38 deletions
diff --git a/coreutils/od_bloaty.c b/coreutils/od_bloaty.c index 96a4186..8ed8f0b 100644 --- a/coreutils/od_bloaty.c +++ b/coreutils/od_bloaty.c @@ -70,7 +70,7 @@ enum { /* Check for 0x7f is a coreutils 6.3 addition */ -#define ISPRINT(c) (((c)>=' ') && (c) != 0x7f) +#define ISPRINT(c) (((c) >= ' ') && (c) < 0x7f) typedef long double longdouble_t; typedef unsigned long long ulonglong_t; @@ -176,7 +176,7 @@ struct ERR_width_bytes_has_bad_size { static smallint exit_code; -static size_t string_min; +static unsigned string_min; /* An array of specs describing how to format each input block. */ static size_t n_specs; @@ -514,8 +514,7 @@ check_and_close(void) } if (ferror(stdout)) { - bb_error_msg(bb_msg_write_error); - exit_code = 1; + bb_error_msg_and_die(bb_msg_write_error); } } @@ -1043,29 +1042,6 @@ dump(off_t current_offset, off_t end_offset) free(block[0]); } -/* Read a single byte into *C from the concatenation of the input files - named in the global array FILE_LIST. On the first call to this - function, the global variable IN_STREAM is expected to be an open - stream associated with the input file INPUT_FILENAME. If IN_STREAM - is at end-of-file, close it and update the global variables IN_STREAM - 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. */ - -static void -read_char(int *c) -{ - while (in_stream) { /* !EOF */ - *c = fgetc(in_stream); - if (*c != EOF) - return; - check_and_close(); - open_next_file(); - } - *c = EOF; -} - /* Read N bytes into BLOCK from the concatenation of the input files named in the global array FILE_LIST. On the first call to this function, the global variable IN_STREAM is expected to be an open @@ -1089,8 +1065,8 @@ read_char(int *c) static void dump_strings(off_t address, off_t end_offset) { - size_t bufsize = MAX(100, string_min); - char *buf = xmalloc(bufsize); + unsigned bufsize = MAX(100, string_min); + unsigned char *buf = xmalloc(bufsize); while (1) { size_t i; @@ -1106,11 +1082,17 @@ dump_strings(off_t address, off_t end_offset) bufsize += bufsize/8; buf = xrealloc(buf, bufsize); } - read_char(&c); - if (c < 0) { /* EOF */ - free(buf); - return; + + while (in_stream) { /* !EOF */ + c = fgetc(in_stream); + if (c != EOF) + goto got_char; + check_and_close(); + open_next_file(); } + /* EOF */ + goto ret; + got_char: address++; if (!c) break; @@ -1122,8 +1104,7 @@ dump_strings(off_t address, off_t end_offset) if (i < string_min) /* Too short! */ goto tryline; - /* If we get here, the string is all printable and NUL-terminated, - * so print it. It is all in 'buf' and 'i' is its length. */ + /* If we get here, the string is all printable and NUL-terminated */ buf[i] = 0; format_address(address - i - 1, ' '); @@ -1144,9 +1125,9 @@ dump_strings(off_t address, off_t end_offset) /* We reach this point only if we search through (max_bytes_to_format - string_min) bytes before reaching EOF. */ - free(buf); - check_and_close(); + ret: + free(buf); } #if ENABLE_LONG_OPTS @@ -1397,7 +1378,7 @@ int od_main(int argc UNUSED_PARAM, char **argv) else dump(n_bytes_to_skip, end_offset); - if (fclose(stdin) == EOF) + if (fclose(stdin)) bb_perror_msg_and_die(bb_msg_standard_input); return exit_code; |