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    revision 532 by niro, Sat Sep 1 22:45:15 2007 UTC revision 984 by niro, Sun May 30 11:32:42 2010 UTC
    # Line 8  Line 8 
    8   * 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.
    9   */   */
    10    
    11  #include <stdio.h>  #include "libbb.h"
     #include <string.h>  
     #include <stdlib.h>  
     #include "busybox.h"  
    12    
    13  int printenv_main(int argc, char **argv)  int printenv_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    14    int printenv_main(int argc UNUSED_PARAM, char **argv)
    15  {  {
    16   extern char **environ;   int exit_code = EXIT_SUCCESS;
      int e = 0;  
    17    
    18   /* no variables specified, show whole env */   /* no variables specified, show whole env */
    19   if (argc == 1)   if (!argv[1]) {
    20     int e = 0;
    21   while (environ[e])   while (environ[e])
    22   puts(environ[e++]);   puts(environ[e++]);
    23     } else {
    24   /* search for specified variables and print them out if found */   /* search for specified variables and print them out if found */
      else {  
      int i;  
      size_t l;  
    25   char *arg, *env;   char *arg, *env;
    26    
    27   for (i=1; (arg = argv[i]); ++i)   while ((arg = *++argv) != NULL) {
    28   for (; (env = environ[e]); ++e) {   env = getenv(arg);
    29   l = strlen(arg);   if (env)
    30   if (!strncmp(env, arg, l) && env[l] == '=')   puts(env);
    31   puts(env + l + 1);   else
    32   }   exit_code = EXIT_FAILURE;
    33     }
    34   }   }
    35    
    36   fflush_stdout_and_exit(0);   fflush_stdout_and_exit(exit_code);
    37  }  }
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