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| author | David du Colombier <0intro@gmail.com> | 2011-08-16 16:11:56 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@swtch.com> | 2011-08-16 16:11:56 -0400 |
| commit | b6863de7e1b95fd68623e1a03eca6d3aebc4732e (patch) | |
| tree | 8e2d0ef599c6dfcccb242710fffab79ee3ab7d1a /src/cmd/zerotrunc.c | |
| parent | f6d2cbfe4795015d252ef9c6d281adccf069438f (diff) | |
| download | plan9port-b6863de7e1b95fd68623e1a03eca6d3aebc4732e.tar.gz plan9port-b6863de7e1b95fd68623e1a03eca6d3aebc4732e.tar.bz2 plan9port-b6863de7e1b95fd68623e1a03eca6d3aebc4732e.zip | |
zerotrunc: from Plan 9
R=rsc
CC=plan9port.codebot
http://codereview.appspot.com/4809089
Diffstat (limited to 'src/cmd/zerotrunc.c')
| -rw-r--r-- | src/cmd/zerotrunc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/cmd/zerotrunc.c b/src/cmd/zerotrunc.c new file mode 100644 index 00000000..ce6fafea --- /dev/null +++ b/src/cmd/zerotrunc.c @@ -0,0 +1,26 @@ +/* + * cat standard input until you get a zero byte + */ + +#include <u.h> +#include <libc.h> + +void +main(void) +{ + char buf[4096]; + char *p; + int n; + + while((n = read(0, buf, sizeof(buf))) > 0){ + p = memchr(buf, 0, n); + if(p != nil) + n = p-buf; + if(n > 0) + write(1, buf, n); + if(p != nil) + break; + } + exits(0); +} + |