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author | Rob Landley <rob@landley.net> | 2012-12-19 09:16:27 -0600 |
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committer | Rob Landley <rob@landley.net> | 2012-12-19 09:16:27 -0600 |
commit | 93504e6d26987a061484b6bfe86c6affe4019ae2 (patch) | |
tree | 018095a3cdb715d96d1dcee183bbd6eac086aa3a | |
parent | fadbd6078081afe62cf120f9346b1d69aa79d486 (diff) | |
download | toybox-93504e6d26987a061484b6bfe86c6affe4019ae2.tar.gz |
Minor cleanups.
-rw-r--r-- | toys/other/rev.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/toys/other/rev.c b/toys/other/rev.c index a95d6615..8cad7da3 100644 --- a/toys/other/rev.c +++ b/toys/other/rev.c @@ -10,7 +10,7 @@ config REV help usage: rev [FILE...] - Output lines reversed, when no files are given stdin is used. + Output each line reversed, when no files are given stdin is used. */ #include "toys.h" @@ -20,15 +20,13 @@ void do_rev(int fd, char *name) char *c; for (;;) { - int len; - int i; + int len, i; + if (!(c = get_line(fd))) break; len = strlen(c) - 1; - i = 0; - while ( i <= len/2) - { - char tmp; - tmp = c[i]; + for (i = 0; i <= len/2; i++) { + char tmp = c[i]; + c[i] = c[len-i]; c[len-i] = tmp; i++; |