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-rw-r--r--debianutils/which.c42
1 files changed, 30 insertions, 12 deletions
diff --git a/debianutils/which.c b/debianutils/which.c
index 79a89c4eb..74b922531 100644
--- a/debianutils/which.c
+++ b/debianutils/which.c
@@ -26,10 +26,19 @@
#include <stdlib.h>
#include "busybox.h"
+static int file_exists(char *file)
+{
+ struct stat filestat;
+
+ if (stat(file, &filestat) == 0 && filestat.st_mode & S_IXUSR)
+ return 1;
+ else
+ return 0;
+}
+
extern int which_main(int argc, char **argv)
{
char *path_list, *path_n;
- struct stat filestat;
int i, count=1, found, status = EXIT_SUCCESS;
if (argc <= 1 || **(argv + 1) == '-')
@@ -52,18 +61,27 @@ extern int which_main(int argc, char **argv)
path_n = path_list;
argv++;
found = 0;
- for (i = 0; i < count; i++) {
- char *buf;
- buf = concat_path_file(path_n, *argv);
- if (stat (buf, &filestat) == 0
- && filestat.st_mode & S_IXUSR)
- {
- puts(buf);
- found = 1;
- break;
+ char *buf;
+
+ /*
+ * Check if we were given the full path, first.
+ * Otherwise see if the file exists in our $PATH.
+ */
+ buf = *argv;
+ if (file_exists(buf)) {
+ puts(buf);
+ found = 1;
+ } else {
+ for (i = 0; i < count; i++) {
+ buf = concat_path_file(path_n, *argv);
+ if (file_exists(buf)) {
+ puts(buf);
+ found = 1;
+ break;
+ }
+ free(buf);
+ path_n += (strlen(path_n) + 1);
}
- free(buf);
- path_n += (strlen(path_n) + 1);
}
if (!found)
status = EXIT_FAILURE;