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Some small changes for od(1) 

1) Move usage() down above main().
2) Consistently use printaddress() across the code.
3) Use off_t instead of size_t for file offsets.
This commit is contained in:
FRIGN 2015-09-30 00:08:58 +02:00 committed by sin
parent 365f392d3c
commit 7132473947
1 changed files with 18 additions and 18 deletions
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36
od.c
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@ -1,4 +1,5 @@
/* See LICENSE file for copyright and license details. */
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
@ -9,21 +10,15 @@ static unsigned char radix = 'o';
static unsigned char type = 'o';
static void
usage(void)
printaddress(FILE *f, off_t addr)
{
eprintf("usage: %s [-A d|o|x|n] [-t a|c|d|o|u|x] [file ...]\n", argv0);
}
static void
printaddress(FILE *f, size_t addr)
{
char fmt[] = "%06z# ";
char fmt[] = "%07j# ";
if (radix == 'n') {
fputc(' ', f);
} else {
fmt[4] = radix;
fprintf(f, fmt, addr);
fprintf(f, fmt, (intmax_t)addr);
}
}
@ -73,13 +68,12 @@ printchar(FILE *f, unsigned char c)
static void
od(FILE *in, char *in_name, FILE *out, char *out_name)
{
off_t addr;
size_t i, chunklen;
unsigned char buf[BUFSIZ];
char fmt[] = "\n%.6z#";
off_t addr, bread, i;
addr = 0;
for (; (bread = fread(buf, 1, BUFSIZ, in)); ) {
for (i = 0; i < bread; ++i, ++addr) {
for (addr = 0; (chunklen = fread(buf, 1, BUFSIZ, in)); ) {
for (i = 0; i < chunklen; ++i, ++addr) {
if ((addr % bytes_per_line) == 0) {
if (addr)
fputc('\n', out);
@ -90,11 +84,17 @@ od(FILE *in, char *in_name, FILE *out, char *out_name)
if (feof(in) || ferror(in) || ferror(out))
break;
}
if (radix != 'n') {
fmt[5] = radix;
fprintf(out, fmt, addr);
}
fputc('\n', out);
if (radix != 'n') {
printaddress(out, addr);
fputc('\n', out);
}
}
static void
usage(void)
{
eprintf("usage: %s [-A d|o|x|n] [-t a|c|d|o|u|x] [file ...]\n", argv0);
}
int