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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 11  Line 11 
    11  /* BB_AUDIT GNU compatible -c, -q, and -v options in 'fancy' configuration. */  /* BB_AUDIT GNU compatible -c, -q, and -v options in 'fancy' configuration. */
    12  /* http://www.opengroup.org/onlinepubs/007904975/utilities/head.html */  /* http://www.opengroup.org/onlinepubs/007904975/utilities/head.html */
    13    
    14  #include "busybox.h"  #include "libbb.h"
    15    
    16  static const char head_opts[] =  static const char head_opts[] ALIGN1 =
    17   "n:"   "n:"
    18  #if ENABLE_FEATURE_FANCY_HEAD  #if ENABLE_FEATURE_FANCY_HEAD
    19   "c:qv"   "c:qv"
    # Line 25  static const struct suffix_mult head_suf Line 25  static const struct suffix_mult head_suf
    25   { "b", 512 },   { "b", 512 },
    26   { "k", 1024 },   { "k", 1024 },
    27   { "m", 1024*1024 },   { "m", 1024*1024 },
    28   { NULL, 0 }   { }
    29  };  };
    30  #endif  #endif
    31    
    32  static const char header_fmt_str[] = "\n==> %s <==\n";  static const char header_fmt_str[] ALIGN1 = "\n==> %s <==\n";
    33    
    34    int head_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    35  int head_main(int argc, char **argv)  int head_main(int argc, char **argv)
    36  {  {
    37   unsigned long count = 10;   unsigned long count = 10;
    # Line 90  int head_main(int argc, char **argv) Line 91  int head_main(int argc, char **argv)
    91   }   }
    92   }   }
    93    
    94     argc -= optind;
    95   argv += optind;   argv += optind;
    96   if (!*argv) {   if (!*argv)
    97   *--argv = "-";   *--argv = (char*)"-";
      }  
    98    
    99   fmt = header_fmt_str + 1;   fmt = header_fmt_str + 1;
    100  #if ENABLE_FEATURE_FANCY_HEAD  #if ENABLE_FEATURE_FANCY_HEAD
    101   if (argc - optind <= header_threshhold) {   if (argc <= header_threshhold) {
    102   header_threshhold = 0;   header_threshhold = 0;
    103   }   }
    104  #else  #else
    105   if (argc <= optind + 1) {   if (argc <= 1) {
    106   fmt += 11;   fmt += 11; /* "" */
    107   }   }
    108   /* Now define some things here to avoid #ifdefs in the code below.   /* Now define some things here to avoid #ifdefs in the code below.
    109   * These should optimize out of the if conditions below. */   * These should optimize out of the if conditions below. */
    # Line 127  int head_main(int argc, char **argv) Line 128  int head_main(int argc, char **argv)
    128   putchar(c);   putchar(c);
    129   }   }
    130   if (fclose_if_not_stdin(fp)) {   if (fclose_if_not_stdin(fp)) {
    131   bb_perror_msg("%s", *argv); /* Avoid multibyte problems. */   bb_simple_perror_msg(*argv); /* Avoid multibyte problems. */
    132   retval = EXIT_FAILURE;   retval = EXIT_FAILURE;
    133   }   }
    134   die_if_ferror_stdout();   die_if_ferror_stdout();
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