Tar, by itself, could fail.
[oweals/busybox.git] / basename.c
index efd07e27207f5231bd6b2adfc8c28d46712301f4..fcc7d4619ec458fbbddaf88e63605aa385f3d78b 100644 (file)
  *
  */
 
-#include "internal.h"
+#include "busybox.h"
 #include <stdio.h>
 
 extern int basename_main(int argc, char **argv)
 {
-       char* s, *s1;
+       int m, n;
+       char *s;
 
        if ((argc < 2) || (**(argv + 1) == '-')) {
-               usage("basename [FILE ...]\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
-                               "\nStrips directory path and suffixes from FILE(s).\n"
-#endif
-                               );
+               usage(basename_usage);
        }
+
        argv++;
 
-       s1=*argv+strlen(*argv)-1;
-       while (s1 && *s1 == '/') {
-               *s1 = '\0';
-               s1=*argv+strlen(*argv)-1;
+       s = get_last_path_component(*argv);
+
+       if (argc>2) {
+               argv++;
+               n = strlen(*argv);
+               m = strlen(s);
+               if (m>=n && strncmp(s+m-n, *argv, n)==0)
+                       s[m-n] = '\0';
        }
-       s = strrchr(*argv, '/');
-       printf("%s\n", (s)? s + 1 : *argv);
-       exit(TRUE);
+       printf("%s\n", s);
+       return EXIT_SUCCESS;
 }
-