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Check file has execute permission for the current user, minor formating

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This commit is contained in:
Glenn L McGrath 2004-03-01 08:32:49 +00:00
parent d5d5e54290
commit e84152e9e1
1 changed files with 20 additions and 24 deletions
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44
debianutils/which.c
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@ -18,66 +18,59 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Based on which from debianutils
*/
/* getopt not needed */
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "busybox.h"
static int file_exists(char *file)
{
struct stat filestat;
if (stat(file, &filestat) == 0 &&
S_ISREG(filestat.st_mode) &&
filestat.st_mode & S_IXUSR)
return 1;
else
return 0;
}
extern int which_main(int argc, char **argv)
{
char *path_list, *path_n;
int i, count=1, found, status = EXIT_SUCCESS;
char *path_list;
int i, count=1, status = EXIT_SUCCESS;
if (argc <= 1 || **(argv + 1) == '-')
if (argc <= 1 || **(argv + 1) == '-') {
bb_show_usage();
}
argc--;
path_list = getenv("PATH");
if (path_list != NULL) {
for(i=strlen(path_list); i > 0; i--)
for (i=strlen(path_list); i > 0; i--) {
if (path_list[i]==':') {
path_list[i]=0;
count++;
}
}
} else {
path_list = "/bin\0/sbin\0/usr/bin\0/usr/sbin\0/usr/local/bin";
count = 5;
}
while(argc-- > 0) {
while (argc-- > 0) {
char *buf;
path_n = path_list;
char *path_n;
argv++;
found = 0;
char found = 0;
/*
* Check if we were given the full path, first.
* Otherwise see if the file exists in our $PATH.
*/
path_n = path_list;
buf = *argv;
if (file_exists(buf)) {
puts(buf);
if (access(buf, X_OK) == 0) {
found = 1;
} else {
for (i = 0; i < count; i++) {
buf = concat_path_file(path_n, *argv);
if (file_exists(buf)) {
puts(buf);
if (access(buf, X_OK) == 0) {
found = 1;
break;
}
@ -85,8 +78,11 @@ extern int which_main(int argc, char **argv)
path_n += (strlen(path_n) + 1);
}
}
if (!found)
if (found) {
puts(buf);
} else {
status = EXIT_FAILURE;
}
}
return status;
}