diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/du.c | 15 |
1 files changed, 12 insertions, 3 deletions
@@ -86,6 +86,9 @@ static int apparent_size = 0; /* If nonzero, count each hard link of files with multiple links. */ static int opt_count_all = 0; +/* If true, output the NUL byte instead of a newline at the end of each line. */ +bool opt_nul_terminate_output = false; + /* If nonzero, print a grand total at the end. */ static int print_totals = 0; @@ -141,6 +144,7 @@ static struct option const long_options[] = {"si", no_argument, 0, HUMAN_SI_OPTION}, {"kilobytes", no_argument, NULL, 'k'}, /* long form is obsolescent */ {"max-depth", required_argument, NULL, MAX_DEPTH_OPTION}, + {"null", no_argument, NULL, '0'}, {"megabytes", no_argument, NULL, 'm'}, /* obsolescent */ {"no-dereference", no_argument, NULL, 'P'}, {"one-file-system", no_argument, NULL, 'x'}, @@ -188,6 +192,7 @@ Mandatory arguments to long options are mandatory for short options too.\n\ fputs (_("\ -L, --dereference dereference all symbolic links\n\ -P, --no-dereference don't follow any symbolic links (this is the default)\n\ + -0, --null end each output line with 0 byte rather than newline\n\ -S, --separate-dirs do not include size of subdirectories\n\ -s, --summarize display only a total for each argument\n\ "), stdout); @@ -291,7 +296,7 @@ static void print_size (uintmax_t n_bytes, const char *string) { print_only_size (n_bytes); - printf ("\t%s\n", string); + printf ("\t%s%c", string, opt_nul_terminate_output ? '\0' : '\n'); fflush (stdout); } @@ -466,7 +471,7 @@ process_file (FTS *fts, FTSENT *ent) print_only_size (size_to_print); fputc ('\t', stdout); fputs (file, stdout); - fputc ('\n', stdout); + fputc (opt_nul_terminate_output ? '\0' : '\n', stdout); fflush (stdout); } } @@ -553,7 +558,7 @@ main (int argc, char **argv) &output_block_size); fail = 0; - while ((c = getopt_long (argc, argv, DEBUG_OPT "abchHklmsxB:DLPSX:", + while ((c = getopt_long (argc, argv, DEBUG_OPT "0abchHklmsxB:DLPSX:", long_options, NULL)) != -1) { long int tmp_long; @@ -568,6 +573,10 @@ main (int argc, char **argv) break; #endif + case '0': + opt_nul_terminate_output = true; + break; + case 'a': opt_all = 1; break; |