gno/bin/rmdir/rmdir.c
1997-10-30 02:33:49 +00:00

137 lines
2.3 KiB
C

/*
* rmdir - remove directory
*
* ChangeLog:
* v1.1 - incorporated into GNO base distribution
* - added -p flag for POSIX conformance
* - moved rmdir(2) implementation to libc
* v1.0 - initial revision
*
* Version 1.1 by Devin Reade <gdr@myrias.ab.ca>
*/
#include <types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <err.h>
#include <gno/gno.h>
#include "contrib.h"
#ifdef __STACK_CHECK__
static void
printStack (void) {
fprintf(stderr, "stack usage: %d bytes\n", _endStackCheck());
}
#endif
static void
usage (void) {
fprintf(stderr, "usage: rmdir [-p] directory ...\n");
exit(1);
}
const char *nodup = "couldn't duplicate %s";
int
main(int argc, char **argv) {
int c, result, pflag;
char delim, *path, *root, *p, *q;
#ifdef __STACK_CHECK__
_beginStackCheck();
atexit(printStack);
#endif
pflag = 0;
while ((c = getopt (argc, argv, "p")) != EOF) {
switch (c) {
case 'p':
pflag = 1;
break;
default:
usage();
}
}
if ((argc - optind) == 0) {
usage();
}
result = 0;
/* loop over all filenames */
for (; optind<argc; optind++) {
path = argv[optind];
if (pflag == 0) {
/*
* Just do the last directory component, and
* skip the mess below
*/
if (rmdir(path)!=0) {
warn("%s skipped", path);
result++;
}
} else {
/* get the full pathname */
if ((path = LC_ExpandPath (path)) == NULL) {
warn("couldn't expand %s", argv[optind]);
continue;
}
if ((q = strdup(path)) == NULL) {
err(1, nodup, path);
}
path = q;
/* what is the volume component? */
q = (*path == ':') ? path+1 : path;
q = strchr(q, ':');
if (q != NULL) {
*q = '\0';
}
if (*path == ':') {
if ((root = strdup(path)) == NULL) {
err(1, nodup, path);
}
} else {
root = NULL;
}
if (q != NULL) {
*q = ':';
}
for(;;) {
if (*path == '\0') {
/* deleted all the directories */
break;
}
if ((root != NULL) && !strcmp(root, path)) {
/* don't try to delete the volume */
break;
}
if (rmdir(path)!=0) {
warn("%s skipped", path);
result++;
break;
}
p = path + strlen(path) - 1;
while (p >= path) {
if (*p == ':') {
*p = '\0';
break;
} else {
*p-- = '\0';
}
}
}
}
}
return result;
}