Fleshed out du_main().
I'm not sure which options to support.
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2ad2afd05c
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14c82b64c9
@ -26,11 +26,13 @@
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#include <fcntl.h>
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#include <dirent.h>
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#include <stdio.h>
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/*
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#if 0
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#include <unistd.h>
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#include <sys/stat.h>
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*/
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#endif
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static const char du_usage[] =
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"Usage: du [OPTION]... [FILE]...\n";
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typedef void (Display)(size_t, char *);
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@ -42,7 +44,7 @@ print(size_t size, char *filename)
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/* tiny recursive du */
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static size_t
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size(char *filename)
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du(char *filename)
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{
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struct stat statbuf;
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size_t sum;
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@ -65,7 +67,7 @@ size(char *filename)
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{ continue; }
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sprintf(newfile, "%s/%s", filename, name);
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sum += size(newfile);
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sum += du(newfile);
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}
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closedir(dir);
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print(sum, filename);
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@ -76,8 +78,38 @@ size(char *filename)
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int
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du_main(int argc, char **argv)
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{
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/* I'll fill main() in shortly */
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size(".");
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int i;
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char opt;
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/* parse argv[] */
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for (i = 1; i < argc; i++) {
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if (argv[i][0] == '-') {
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opt = argv[i][1];
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switch (opt) {
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case 's':
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break;
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case 'h':
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usage(du_usage);
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break;
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default:
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fprintf(stderr, "du: invalid option -- %c\n", opt);
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usage(du_usage);
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}
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} else {
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break;
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}
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}
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/* go through remaining args (if any) */
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if (i >= argc) {
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du(".");
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} else {
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for ( ; i < argc; i++) {
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printf("%-7d %s\n", du(argv[i]) >> 1, argv[i]);
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}
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}
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exit(0);
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}
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/* $Id: du.c,v 1.2 1999/12/10 06:15:27 beppu Exp $ */
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44
du.c
44
du.c
@ -26,11 +26,13 @@
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#include <fcntl.h>
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#include <dirent.h>
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#include <stdio.h>
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/*
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#if 0
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#include <unistd.h>
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#include <sys/stat.h>
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*/
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#endif
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static const char du_usage[] =
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"Usage: du [OPTION]... [FILE]...\n";
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typedef void (Display)(size_t, char *);
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@ -42,7 +44,7 @@ print(size_t size, char *filename)
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/* tiny recursive du */
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static size_t
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size(char *filename)
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du(char *filename)
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{
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struct stat statbuf;
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size_t sum;
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@ -65,7 +67,7 @@ size(char *filename)
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{ continue; }
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sprintf(newfile, "%s/%s", filename, name);
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sum += size(newfile);
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sum += du(newfile);
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}
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closedir(dir);
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print(sum, filename);
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@ -76,8 +78,38 @@ size(char *filename)
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int
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du_main(int argc, char **argv)
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{
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/* I'll fill main() in shortly */
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size(".");
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int i;
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char opt;
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/* parse argv[] */
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for (i = 1; i < argc; i++) {
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if (argv[i][0] == '-') {
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opt = argv[i][1];
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switch (opt) {
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case 's':
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break;
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case 'h':
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usage(du_usage);
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break;
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default:
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fprintf(stderr, "du: invalid option -- %c\n", opt);
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usage(du_usage);
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}
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} else {
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break;
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}
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}
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/* go through remaining args (if any) */
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if (i >= argc) {
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du(".");
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} else {
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for ( ; i < argc; i++) {
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printf("%-7d %s\n", du(argv[i]) >> 1, argv[i]);
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}
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}
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exit(0);
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}
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/* $Id: du.c,v 1.2 1999/12/10 06:15:27 beppu Exp $ */
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