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Fleshed out du_main().

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I'm not sure which options to support.
This commit is contained in:
John Beppu 1999-12-10 06:15:27 +00:00
parent 2ad2afd05c
commit 14c82b64c9
2 changed files with 76 additions and 12 deletions
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44
coreutils/du.c
View File

@ -26,11 +26,13 @@
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
/*
#if 0
#include <unistd.h>
#include <sys/stat.h>
*/
#endif
static const char du_usage[] =
"Usage: du [OPTION]... [FILE]...\n";
typedef void (Display)(size_t, char *);
@ -42,7 +44,7 @@ print(size_t size, char *filename)
/* tiny recursive du */
static size_t
size(char *filename)
du(char *filename)
{
struct stat statbuf;
size_t sum;
@ -65,7 +67,7 @@ size(char *filename)
{ continue; }
sprintf(newfile, "%s/%s", filename, name);
sum += size(newfile);
sum += du(newfile);
}
closedir(dir);
print(sum, filename);
@ -76,8 +78,38 @@ size(char *filename)
int
du_main(int argc, char **argv)
{
/* I'll fill main() in shortly */
size(".");
int i;
char opt;
/* parse argv[] */
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
opt = argv[i][1];
switch (opt) {
case 's':
break;
case 'h':
usage(du_usage);
break;
default:
fprintf(stderr, "du: invalid option -- %c\n", opt);
usage(du_usage);
}
} else {
break;
}
}
/* go through remaining args (if any) */
if (i >= argc) {
du(".");
} else {
for ( ; i < argc; i++) {
printf("%-7d %s\n", du(argv[i]) >> 1, argv[i]);
}
}
exit(0);
}
/* $Id: du.c,v 1.2 1999/12/10 06:15:27 beppu Exp $ */

44
du.c
View File

@ -26,11 +26,13 @@
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
/*
#if 0
#include <unistd.h>
#include <sys/stat.h>
*/
#endif
static const char du_usage[] =
"Usage: du [OPTION]... [FILE]...\n";
typedef void (Display)(size_t, char *);
@ -42,7 +44,7 @@ print(size_t size, char *filename)
/* tiny recursive du */
static size_t
size(char *filename)
du(char *filename)
{
struct stat statbuf;
size_t sum;
@ -65,7 +67,7 @@ size(char *filename)
{ continue; }
sprintf(newfile, "%s/%s", filename, name);
sum += size(newfile);
sum += du(newfile);
}
closedir(dir);
print(sum, filename);
@ -76,8 +78,38 @@ size(char *filename)
int
du_main(int argc, char **argv)
{
/* I'll fill main() in shortly */
size(".");
int i;
char opt;
/* parse argv[] */
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
opt = argv[i][1];
switch (opt) {
case 's':
break;
case 'h':
usage(du_usage);
break;
default:
fprintf(stderr, "du: invalid option -- %c\n", opt);
usage(du_usage);
}
} else {
break;
}
}
/* go through remaining args (if any) */
if (i >= argc) {
du(".");
} else {
for ( ; i < argc; i++) {
printf("%-7d %s\n", du(argv[i]) >> 1, argv[i]);
}
}
exit(0);
}
/* $Id: du.c,v 1.2 1999/12/10 06:15:27 beppu Exp $ */