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| author | Leah Neukirchen <leah@vuxu.org> | 2017-10-19 15:24:10 +0200 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2017-10-19 15:24:10 +0200 |
| commit | 9dc36f2b1a3267f9dc52c9b59ee6167cb503611b (patch) | |
| tree | fc31c0ddc5cc0117b72b13c795541ea5bc2149b5 | |
| parent | 1a6145ed267ef9e4db44282ca613abc992c0e359 (diff) | |
| download | necho-9dc36f2b1a3267f9dc52c9b59ee6167cb503611b.tar.gz necho-9dc36f2b1a3267f9dc52c9b59ee6167cb503611b.tar.xz necho-9dc36f2b1a3267f9dc52c9b59ee6167cb503611b.zip | |
fix secho without arguments
| -rw-r--r-- | necho.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/necho.c b/necho.c index 56fdf4d..c02561d 100644 --- a/necho.c +++ b/necho.c @@ -97,15 +97,19 @@ main(int argc, char *argv[]) } } else if (*style == 'j' || (*style == 's' || *style == 'e')) { struct iovec iov[SENSIBLE_IOV_MAX]; - int j; + int j = 0; - for (i = 1; i < argc; ) { + i = 1; + if (argc == 1 && *style != 'j') + goto just_nl; + while (i < argc) { for (j = 0; i < argc && j < SENSIBLE_IOV_MAX - 1; j++) { iov[j].iov_base = argv[i]; iov[j].iov_len = strlen(argv[i]); i++; if (*style != 'j') { j++; +just_nl: iov[j].iov_base = i == argc ? "\n" : " "; iov[j].iov_len = 1; } |