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    revision 815 by niro, Sat Sep 1 22:45:15 2007 UTC revision 816 by niro, Fri Apr 24 18:33:46 2009 UTC
    # Line 10  Line 10 
    10   * Licensed under GPLv2 or later, see file License in this tarball for details.   * Licensed under GPLv2 or later, see file License in this tarball for details.
    11   */   */
    12    
    13  #include "busybox.h"  #include "libbb.h"
    14    
    15    int readahead_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    16  int readahead_main(int argc, char **argv)  int readahead_main(int argc, char **argv)
    17  {  {
      FILE *f;  
    18   int retval = EXIT_SUCCESS;   int retval = EXIT_SUCCESS;
    19    
    20   if (argc == 1) bb_show_usage();   if (argc == 1) bb_show_usage();
    21    
    22   while (*++argv) {   while (*++argv) {
    23   if ((f = fopen_or_warn(*argv, "r")) != NULL) {   int fd = open_or_warn(*argv, O_RDONLY);
    24   int r, fd=fileno(f);   if (fd >= 0) {
    25     off_t len;
    26     int r;
    27    
    28   r = readahead(fd, 0, fdlength(fd));   /* fdlength was reported to be unreliable - use seek */
    29   fclose(f);   len = xlseek(fd, 0, SEEK_END);
    30   if (r >= 0) continue;   xlseek(fd, 0, SEEK_SET);
    31     r = readahead(fd, 0, len);
    32     close(fd);
    33     if (r >= 0)
    34     continue;
    35   }   }
    36   retval = EXIT_FAILURE;   retval = EXIT_FAILURE;
    37   }   }
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