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    revision 532 by niro, Sat Sep 1 22:45:15 2007 UTC revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
    # Line 20  Line 20 
    20   * a diagnostic message and an error return.   * a diagnostic message and an error return.
    21   */   */
    22    
    23  #include <stdio.h>  #include "libbb.h"
     #include <stdlib.h>  
     #include <unistd.h>  
     #include "busybox.h"  
    24    
    25  int logname_main(int argc, char ATTRIBUTE_UNUSED **argv)  /* This is a NOFORK applet. Be very careful! */
    26    
    27    int logname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    28    int logname_main(int argc, char **argv UNUSED_PARAM)
    29  {  {
    30   const char *p;   char buf[128];
    31    
    32   if (argc > 1) {   if (argc > 1) {
    33   bb_show_usage();   bb_show_usage();
    34   }   }
    35    
    36   if ((p = getlogin()) != NULL) {   /* Using _r function - avoid pulling in static buffer from libc */
    37   puts(p);   if (getlogin_r(buf, sizeof(buf)) == 0) {
    38   fflush_stdout_and_exit(EXIT_SUCCESS);   puts(buf);
    39     return fflush(stdout);
    40   }   }
    41    
    42   bb_perror_msg_and_die("getlogin");   bb_perror_msg_and_die("getlogin");
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