Mercurial > hvf > hvf-old
changeset 467:25199ff67309
build: added a simple cat-like program tha pads each file to a multiple of 80 bytes
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
| author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
|---|---|
| date | Mon, 11 Apr 2011 23:00:13 -0400 |
| parents | 678579f3a83b |
| children | 55668d7e8374 |
| files | build/.gitignore build/Makefile build/padcat.c |
| diffstat | 3 files changed, 43 insertions(+), 2 deletions(-) [+] |
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--- a/build/.gitignore Mon Apr 11 22:34:24 2011 -0400 +++ b/build/.gitignore Mon Apr 11 23:00:13 2011 -0400 @@ -1,1 +1,2 @@ ccw_gen +padcat
--- a/build/Makefile Mon Apr 11 22:34:24 2011 -0400 +++ b/build/Makefile Mon Apr 11 23:00:13 2011 -0400 @@ -1,10 +1,13 @@ HOSTCC=gcc CFLAGS=-Wall -O2 -g -all: ccw_gen +all: ccw_gen padcat clean: - rm -f ccw_gen + rm -f ccw_gen padcat ccw_gen: ccw_gen.c $(HOSTCC) $(CFLAGS) -o $@ $< + +padcat: padcat.c + $(HOSTCC) $(CFLAGS) -o $@ $<
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/build/padcat.c Mon Apr 11 23:00:13 2011 -0400 @@ -0,0 +1,37 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +void cat(char *fn) +{ + FILE *f; + char buf[80]; + size_t n; + + f = fopen(fn, "rb"); + if (!f) { + fprintf(stderr, "Could not open file \"%s\". Skipping.\n", + fn); + return; + } + + do { + memset(buf, 0, 80); + n = fread(buf, 1, 80, f); + if (n) + assert(fwrite(buf, 1, 80, stdout) == 80); + } while(n == 80); + + fclose(f); +} + +int main(int argc, char **argv) +{ + int i; + + for(i=1; i<argc; i++) + cat(argv[i]); + + return 0; +}