diff options
Diffstat (limited to 'coreutils/diff.c')
| -rw-r--r-- | coreutils/diff.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/coreutils/diff.c b/coreutils/diff.c index 0df9989b7..887679a0a 100644 --- a/coreutils/diff.c +++ b/coreutils/diff.c @@ -904,19 +904,19 @@ static int diffreg(char *ofile1, char *ofile2, int flags) if (S_ISDIR(stb1.st_mode) != S_ISDIR(stb2.st_mode)) return (S_ISDIR(stb1.st_mode) ? D_MISMATCH1 : D_MISMATCH2); - if (strcmp(file1, "-") == 0 && strcmp(file2, "-") == 0) + if (LONE_DASH(file1) && LONE_DASH(file2)) goto closem; f1 = stdin; if (flags & D_EMPTY1) f1 = xfopen(bb_dev_null, "r"); - else if (file1[0] != '-' || file1[1]) /* not "-" */ + else if (NOT_LONE_DASH(file1)) f1 = xfopen(file1, "r"); f2 = stdin; if (flags & D_EMPTY2) f2 = xfopen(bb_dev_null, "r"); - else if (file2[0] != '-' || file2[1]) /* not "-" */ + else if (NOT_LONE_DASH(file2)) f2 = xfopen(file2, "r"); i = files_differ(f1, f2, flags); @@ -1212,12 +1212,12 @@ int diff_main(int argc, char **argv) bb_error_msg("missing filename"); bb_show_usage(); } - if (argv[0][0] == '-' && !argv[0][1]) { /* "-" */ + if (LONE_DASH(argv[0])) { fstat(STDIN_FILENO, &stb1); gotstdin = 1; } else xstat(argv[0], &stb1); - if (argv[1][0] == '-' && !argv[1][1]) { /* "-" */ + if (LONE_DASH(argv[1])) { fstat(STDIN_FILENO, &stb2); gotstdin = 1; } else |