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[PATCH] Change error (1, ...) to error (EXIT_FAILURE, ...).


From: James Youngman
Subject: [PATCH] Change error (1, ...) to error (EXIT_FAILURE, ...).
Date: Thu, 1 Apr 2010 09:16:22 +0100

* find/find.c: Change error (1, ...) to error (EXIT_FAILURE, ...).
* find/fstype.c: Likewise.
* find/ftsfind.c: Likewise.
* find/parser.c: Likewise.
* find/pred.c: Likewise.
* find/tree.c: Likewise.
* find/util.c: Likewise.
* locate/code.c: Likewise.
* locate/frcode.c: Likewise.
* locate/locate.c: Likewise.
* locate/word_io.c: Likewise.
* xargs/xargs.c: Likewise.
* lib/buildcmd.c: Likewise.  Also include <stdlib.h>.
* lib/regextype.c: Likewise (both).

Signed-off-by: James Youngman <address@hidden>
---
 ChangeLog        |   16 +++++++
 find/find.c      |   18 ++++---
 find/fstype.c    |    2 +-
 find/ftsfind.c   |    5 +-
 find/parser.c    |  127 +++++++++++++++++++++++++++++++-----------------------
 find/pred.c      |    2 +-
 find/tree.c      |   58 +++++++++++++++----------
 find/util.c      |   28 +++++++-----
 lib/buildcmd.c   |   14 +++---
 lib/regextype.c  |    8 ++-
 locate/code.c    |    4 +-
 locate/frcode.c  |   15 ++++---
 locate/locate.c  |   26 ++++++------
 locate/word_io.c |    5 +-
 xargs/xargs.c    |   35 ++++++++-------
 15 files changed, 215 insertions(+), 148 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index f80fb78..0f417cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,21 @@
 2010-04-01  James Youngman  <address@hidden>
 
+       Change error (1, ...) to error (EXIT_FAILURE, ...).
+       * find/find.c: Change error (1, ...) to error (EXIT_FAILURE, ...).
+       * find/fstype.c: Likewise.
+       * find/ftsfind.c: Likewise.
+       * find/parser.c: Likewise.
+       * find/pred.c: Likewise.
+       * find/tree.c: Likewise.
+       * find/util.c: Likewise.
+       * locate/code.c: Likewise.
+       * locate/frcode.c: Likewise.
+       * locate/locate.c: Likewise.
+       * locate/word_io.c: Likewise.
+       * xargs/xargs.c: Likewise.
+       * lib/buildcmd.c: Likewise.  Also include <stdlib.h>.
+       * lib/regextype.c: Likewise (both).
+
        Assume C89 (or C99) C headers.  Assume working <ctype.h>.
        * xargs/xargs.c: Unconditionally include <ctype.h>.  Assume
        isblank(c) is defined.  Assume memcpy() has a prototype in
diff --git a/find/find.c b/find/find.c
index 9a1866c..59a6525 100644
--- a/find/find.c
+++ b/find/find.c
@@ -139,7 +139,8 @@ main (int argc, char **argv)
   state.shared_files = sharefile_init ("w");
   if (NULL == state.shared_files)
     {
-      error (1, errno, _("Failed initialise shared-file hash table"));
+      error (EXIT_FAILURE, errno,
+            _("Failed initialise shared-file hash table"));
     }
 
   /* Set the option defaults before we do the locale
@@ -209,12 +210,12 @@ main (int argc, char **argv)
     {
       starting_dir = xgetcwd ();
       if (! starting_dir)
-       error (1, errno, _("cannot get current directory"));
+       error (EXIT_FAILURE, errno, _("cannot get current directory"));
     }
 
   set_stat_placeholders (&starting_stat_buf);
   if ((*options.xstat) (".", &starting_stat_buf) != 0)
-    error (1, errno, _("cannot stat current directory"));
+    error (EXIT_FAILURE, errno, _("cannot stat current directory"));
 
   /* If no paths are given, default to ".".  */
   for (i = end_of_leading_options; i < argc && !looks_like_expression 
(argv[i], true); i++)
@@ -305,7 +306,7 @@ init_mounted_dev_list (int mandatory)
   mounted_devices = get_mounted_devices (&num_mounted_devices);
   if (mandatory && (NULL == mounted_devices))
     {
-      error (1, 0, _("Cannot read list of mounted devices."));
+      error (EXIT_FAILURE, 0, _("Cannot read list of mounted devices."));
     }
 }
 
@@ -499,7 +500,7 @@ wd_sanity_check (const char *thing_to_stat,
        case FATAL_IF_SANITY_CHECK_FAILS:
          {
            fstype = filesystem_type (newinfo, current_dir);
-           error (1, 0,
+           error (EXIT_FAILURE, 0,
                   _("%s%s changed during execution of %s (old device number 
%ld, new device number %ld, file system type is %s) [ref %ld]"),
                   safely_quote_err_filename (0, specific_what),
                   parent ? "/.." : "",
@@ -701,7 +702,7 @@ safely_chdir_lstat (const char *dest,
                           * can't recover from this and so this error
                           * is fatal.
                           */
-                         error (1, errno,
+                         error (EXIT_FAILURE, errno,
                                 _("failed to return to parent directory"));
                        }
                    }
@@ -1508,7 +1509,7 @@ process_dir (char *pathname, char *name, int pathlen, 
const struct stat *statp,
              break;
 
            case SafeChdirFailWouldBeUnableToReturn:
-             error (1, errno, ".");
+             error (EXIT_FAILURE, errno, ".");
              return;
 
            case SafeChdirFailNonexistent:
@@ -1517,7 +1518,8 @@ process_dir (char *pathname, char *name, int pathlen, 
const struct stat *statp,
            case SafeChdirFailSymlink:
            case SafeChdirFailNotDir:
            case SafeChdirFailChdirFailed:
-             error (1, errno, "%s", safely_quote_err_filename (0, pathname));
+             error (EXIT_FAILURE, errno,
+                    "%s", safely_quote_err_filename (0, pathname));
              return;
            }
 
diff --git a/find/fstype.c b/find/fstype.c
index 88d4208..34875c0 100644
--- a/find/fstype.c
+++ b/find/fstype.c
@@ -201,7 +201,7 @@ must_read_fs_list (bool need_fs_type)
        * use because gnulib has abstracted all that stuff away.
        * Hence we cannot issue a specific error message here.
        */
-      error (1, 0, _("Cannot read mounted file system list"));
+      error (EXIT_FAILURE, 0, _("Cannot read mounted file system list"));
     }
   return entries;
 }
diff --git a/find/ftsfind.c b/find/ftsfind.c
index 1fce8e3..4123b24 100644
--- a/find/ftsfind.c
+++ b/find/ftsfind.c
@@ -674,7 +674,8 @@ main (int argc, char **argv)
   state.shared_files = sharefile_init ("w");
   if (NULL == state.shared_files)
     {
-      error (1, errno, _("Failed initialise shared-file hash table"));
+      error (EXIT_FAILURE, errno,
+            _("Failed initialise shared-file hash table"));
     }
 
   /* Set the option defaults before we do the locale initialisation as
@@ -740,7 +741,7 @@ main (int argc, char **argv)
     {
       starting_dir = xgetcwd ();
       if (! starting_dir)
-       error (1, errno, _("cannot get current directory"));
+       error (EXIT_FAILURE, errno, _("cannot get current directory"));
     }
 
   process_all_startpoints (argc-end_of_leading_options, 
argv+end_of_leading_options);
diff --git a/find/parser.c b/find/parser.c
index 32b1d20..dde0c8d 100644
--- a/find/parser.c
+++ b/find/parser.c
@@ -466,10 +466,11 @@ check_option_combinations (const struct predicate *p)
       if (!options.explicit_depth)
        {
          /* This fixes Savannah bug #20865. */
-         error (1, 0, _("The -delete action atomatically turns on -depth, "
-                        "but -prune does nothing when -depth is in effect.  "
-                        "If you want to carry on anyway, just explicitly use "
-                        "the -depth option."));
+         error (EXIT_FAILURE, 0,
+                _("The -delete action atomatically turns on -depth, "
+                  "but -prune does nothing when -depth is in effect.  "
+                  "If you want to carry on anyway, just explicitly use "
+                  "the -depth option."));
        }
     }
 }
@@ -1110,12 +1111,12 @@ safe_atoi (const char *s)
       if (errno == ERANGE)
        {
          /* too big, or too small. */
-         error (1, errno, "%s", s);
+         error (EXIT_FAILURE, errno, "%s", s);
        }
       else
        {
          /* not a valid number */
-         error (1, errno, "%s", s);
+         error (EXIT_FAILURE, errno, "%s", s);
        }
       /* Otherwise, we do a range chack against INT_MAX and INT_MIN
        * below.
@@ -1126,17 +1127,17 @@ safe_atoi (const char *s)
     {
       /* The number was in range for long, but not int. */
       errno = ERANGE;
-      error (1, errno, "%s", s);
+      error (EXIT_FAILURE, errno, "%s", s);
     }
   else if (*end)
     {
-      error (1, errno, _("Unexpected suffix %s on %s"),
+      error (EXIT_FAILURE, errno, _("Unexpected suffix %s on %s"),
             quotearg_n_style (0, options.err_quoting_style, end),
             quotearg_n_style (1, options.err_quoting_style, s));
     }
   else if (end == s)
     {
-      error (1, errno, "Expected an integer: %s",
+      error (EXIT_FAILURE, errno, "Expected an integer: %s",
             quotearg_n_style (0, options.err_quoting_style, s));
     }
   return (int)lval;
@@ -1171,11 +1172,12 @@ parse_group (const struct parser_table* entry, char 
**argv, int *arg_ptr)
              else
                {
                  /* XXX: no test in test suite for this */
-                 error (1, 0, _("%s is not the name of an existing group and"
-                                " it does not look like a numeric group ID "
-                                "because it has the unexpected suffix %s"),
-                       quotearg_n_style (0, options.err_quoting_style, 
groupname),
-                       quotearg_n_style (1, options.err_quoting_style, 
groupname+gid_len));
+                 error (EXIT_FAILURE, 0,
+                        _("%s is not the name of an existing group and"
+                          " it does not look like a numeric group ID "
+                          "because it has the unexpected suffix %s"),
+                        quotearg_n_style (0, options.err_quoting_style, 
groupname),
+                        quotearg_n_style (1, options.err_quoting_style, 
groupname+gid_len));
                  *arg_ptr = saved_argc; /* don't consume the invalid argument. 
*/
                  return false;
                }
@@ -1185,12 +1187,14 @@ parse_group (const struct parser_table* entry, char 
**argv, int *arg_ptr)
              if (*groupname)
                {
                  /* XXX: no test in test suite for this */
-                 error (1, 0, _("%s is not the name of an existing group"),
+                 error (EXIT_FAILURE, 0,
+                        _("%s is not the name of an existing group"),
                         quotearg_n_style (0, options.err_quoting_style, 
groupname));
                }
              else
                {
-                 error (1, 0, _("argument to -group is empty, but should be a 
group name"));
+                 error (EXIT_FAILURE, 0,
+                        _("argument to -group is empty, but should be a group 
name"));
                }
              *arg_ptr = saved_argc; /* don't consume the invalid argument. */
              return false;
@@ -1296,7 +1300,8 @@ fnmatch_sanitycheck (void)
          || 0 == fnmatch ("Foo", "foo", 0)
          || 0 != fnmatch ("Foo", "foo", FNM_CASEFOLD))
        {
-         error (1, 0, _("sanity check of the fnmatch() library function 
failed."));
+         error (EXIT_FAILURE, 0,
+                _("sanity check of the fnmatch() library function failed."));
          return false;
        }
       checked = true;
@@ -1435,7 +1440,8 @@ insert_depthspec (const struct parser_table* entry, char 
**argv, int *arg_ptr,
              return parse_noop (entry, argv, arg_ptr);
            }
        }
-      error (1, 0, _("Expected a positive decimal integer argument to %s, but 
got %s"),
+      error (EXIT_FAILURE, 0,
+            _("Expected a positive decimal integer argument to %s, but got 
%s"),
             predicate,
             quotearg_n_style (0, options.err_quoting_style, depthstr));
       /* NOTREACHED */
@@ -1621,7 +1627,7 @@ parse_newerXY (const struct parser_table* entry, char 
**argv, int *arg_ptr)
           */
          if (argv[1+*arg_ptr] == NULL)
            {
-             error (1, 0, _("The %s test needs an argument"),
+             error (EXIT_FAILURE, 0, _("The %s test needs an argument"),
                     quotearg_n_style (0, options.err_quoting_style, 
argv[*arg_ptr]));
            }
          else
@@ -1657,7 +1663,7 @@ parse_newerXY (const struct parser_table* entry, char 
**argv, int *arg_ptr)
                            argv[*arg_ptr],
                            &options.start_time))
                {
-                 error (1, 0,
+                 error (EXIT_FAILURE, 0,
                         _("I cannot figure out how to interpret %s as a date 
or time"),
                         quotearg_n_style (0, options.err_quoting_style, 
argv[*arg_ptr]));
                }
@@ -1674,7 +1680,8 @@ parse_newerXY (const struct parser_table* entry, char 
**argv, int *arg_ptr)
              if (!get_stat_Ytime (&stat_newer, y, &our_pred->args.reftime.ts))
                {
                  /* We cannot extract a timestamp from the struct stat. */
-                 error (1, 0, _("Cannot obtain birth time of file %s"),
+                 error (EXIT_FAILURE, 0,
+                        _("Cannot obtain birth time of file %s"),
                         safely_quote_err_filename (0, argv[*arg_ptr]));
                }
            }
@@ -1937,7 +1944,8 @@ non_posix_mode (const char *mode)
 {
   if (options.posixly_correct)
     {
-      error (1, 0, _("Mode %s is not valid when POSIXLY_CORRECT is on."),
+      error (EXIT_FAILURE, 0,
+            _("Mode %s is not valid when POSIXLY_CORRECT is on."),
             quotearg_n_style (0, options.err_quoting_style, mode));
     }
 }
@@ -2020,7 +2028,7 @@ parse_perm (const struct parser_table* entry, char 
**argv, int *arg_ptr)
     {
       change = mode_compile (perm_expr + mode_start);
       if (NULL == change)
-       error (1, 0, _("invalid mode %s"),
+       error (EXIT_FAILURE, 0, _("invalid mode %s"),
               quotearg_n_style (0, options.err_quoting_style, perm_expr));
     }
   perm_val[0] = mode_adjust (0, false, 0, change, NULL);
@@ -2227,7 +2235,7 @@ insert_regex (char **argv,
 
       error_message = re_compile_pattern (rx, strlen (rx), re);
       if (error_message)
-       error (1, 0, "%s", error_message);
+       error (EXIT_FAILURE, 0, "%s", error_message);
       our_pred->est_success_rate = estimate_pattern_match_rate (rx, 1);
       return true;
     }
@@ -2255,7 +2263,7 @@ parse_size (const struct parser_table* entry, char 
**argv, int *arg_ptr)
 
   len = strlen (arg);
   if (len == 0)
-    error (1, 0, _("invalid null argument to -size"));
+    error (EXIT_FAILURE, 0, _("invalid null argument to -size"));
 
   suffix = arg[len - 1];
   switch (suffix)
@@ -2303,12 +2311,13 @@ parse_size (const struct parser_table* entry, char 
**argv, int *arg_ptr)
       break;
 
     default:
-      error (1, 0, _("invalid -size type `%c'"), argv[*arg_ptr][len - 1]);
+      error (EXIT_FAILURE, 0,
+            _("invalid -size type `%c'"), argv[*arg_ptr][len - 1]);
     }
   /* TODO: accept fractional megabytes etc. ? */
   if (!get_num (arg, &num, &c_type))
     {
-      error (1, 0,
+      error (EXIT_FAILURE, 0,
             _("Invalid argument `%s%c' to -size"),
             arg, (int)suffix);
       return false;
@@ -2497,7 +2506,7 @@ parse_show_control_chars (const struct parser_table* 
entry,
 
   if ((argv == NULL) || (argv[*arg_ptr] == NULL))
     {
-      error (1, errno, "%s", errmsg);
+      error (EXIT_FAILURE, errno, "%s", errmsg);
       return false;
     }
   else
@@ -2514,7 +2523,7 @@ parse_show_control_chars (const struct parser_table* 
entry,
        }
       else
        {
-         error (1, errno, "%s", errmsg);
+         error (EXIT_FAILURE, errno, "%s", errmsg);
          return false;
        }
       (*arg_ptr)++;            /* consume the argument. */
@@ -2604,7 +2613,8 @@ parse_used (const struct parser_table* entry, char 
**argv, int *arg_ptr)
        }
       else
        {
-         error (1, 0, _("Invalid argument %s to -used"), offset_str);
+         error (EXIT_FAILURE, 0,
+                _("Invalid argument %s to -used"), offset_str);
          /*NOTREACHED*/
          return false;
        }
@@ -2644,13 +2654,15 @@ parse_user (const struct parser_table* entry, char 
**argv, int *arg_ptr)
               * not as helpful). */
              if (username[0])
                {
-                 error (1, 0, _("%s is not the name of a known user"),
+                 error (EXIT_FAILURE, 0,
+                        _("%s is not the name of a known user"),
                         quotearg_n_style (0, options.err_quoting_style,
                                           username));
                }
              else
                {
-                 error (1, 0, _("The argument to -user should not be empty"));
+                 error (EXIT_FAILURE, 0,
+                        _("The argument to -user should not be empty"));
                }
              /*NOTREACHED*/
              return false;
@@ -2751,7 +2763,8 @@ parse_context (const struct parser_table* entry, char 
**argv, int *arg_ptr)
 
   if (is_selinux_enabled () <= 0)
     {
-      error (1, 0, _("invalid predicate -context: SELinux is not enabled."));
+      error (EXIT_FAILURE, 0,
+            _("invalid predicate -context: SELinux is not enabled."));
       return false;
     }
   our_pred = insert_primary (entry, NULL);
@@ -2814,7 +2827,8 @@ insert_type (char **argv, int *arg_ptr,
     {
       if (strlen (typeletter) != 1u)
        {
-         error (1, 0, _("Arguments to -type should contain only one letter"));
+         error (EXIT_FAILURE, 0,
+                _("Arguments to -type should contain only one letter"));
          /*NOTREACHED*/
          return false;
        }
@@ -2862,7 +2876,8 @@ insert_type (char **argv, int *arg_ptr,
          break;
 #endif
        default:                        /* None of the above ... nuke 'em. */
-         error (1, 0, _("Unknown argument to -type: %c"), (*typeletter));
+         error (EXIT_FAILURE, 0,
+                _("Unknown argument to -type: %c"), (*typeletter));
          /*NOTREACHED*/
          return false;
        }
@@ -3000,7 +3015,8 @@ insert_fprintf (struct format_val *vec,
          if (scan[1] == 0)
            {
              /* Trailing %.  We don't like those. */
-             error (1, 0, _("error: %s at end of format string"), scan);
+             error (EXIT_FAILURE, 0,
+                    _("error: %s at end of format string"), scan);
            }
          else if (scan[1] == '%')
            {
@@ -3192,7 +3208,7 @@ make_segment (struct segment **segment,
     case '{':
     case '[':
     case '(':
-      error (1, 0,
+      error (EXIT_FAILURE, 0,
             _("error: the format directive `%%%c' is reserved for future use"),
             (int)kind);
       /*NOTREACHED*/
@@ -3227,21 +3243,23 @@ check_path_safety (const char *action, char **argv)
     {
       if (0 == strcmp (s, "."))
        {
-         error (1, 0, _("The current directory is included in the PATH "
-                        "environment variable, which is insecure in "
-                        "combination with the %s action of find.  "
-                        "Please remove the current directory from your "
-                        "$PATH (that is, remove \".\" or leading or trailing "
-                        "colons)"),
+         error (EXIT_FAILURE, 0,
+                _("The current directory is included in the PATH "
+                  "environment variable, which is insecure in "
+                  "combination with the %s action of find.  "
+                  "Please remove the current directory from your "
+                  "$PATH (that is, remove \".\" or leading or trailing "
+                  "colons)"),
                action);
        }
       else if ('/' != s[0])
        {
          /* Relative paths are also dangerous in $PATH. */
-         error (1, 0, _("The relative path %s is included in the PATH "
-                        "environment variable, which is insecure in "
-                        "combination with the %s action of find.  "
-                        "Please remove that entry from $PATH"),
+         error (EXIT_FAILURE, 0,
+                _("The relative path %s is included in the PATH "
+                  "environment variable, which is insecure in "
+                  "combination with the %s action of find.  "
+                  "Please remove that entry from $PATH"),
                 safely_quote_err_filename (0, s),
                 action);
        }
@@ -3341,9 +3359,10 @@ new_insert_exec_ok (const char *action,
               * allowed.  We can specify this as those options are
               * not defined by POSIX.
               */
-             error (1, 0, _("You may not use {} within the utility name for "
-                            "-execdir and -okdir, because this is a potential "
-                            "security problem."));
+             error (EXIT_FAILURE, 0,
+                    _("You may not use {} within the utility name for "
+                      "-execdir and -okdir, because this is a potential "
+                      "security problem."));
            }
        }
     }
@@ -3365,7 +3384,7 @@ new_insert_exec_ok (const char *action,
       else
        suffix = "";
 
-      error (1, 0,
+      error (EXIT_FAILURE, 0,
             _("Only one instance of {} is supported with -exec%s ... +"),
             suffix);
     }
@@ -3382,7 +3401,7 @@ new_insert_exec_ok (const char *action,
     {
     case BC_INIT_ENV_TOO_BIG:
     case BC_INIT_CANNOT_ACCOMODATE_HEADROOM:
-      error (1, 0,
+      error (EXIT_FAILURE, 0,
             _("The environment is too large for exec()."));
       break;
     case BC_INIT_OK:
@@ -3520,7 +3539,7 @@ get_relative_timestamp (const char *str,
          if ((origin.tv_sec < result->ts.tv_sec) != (seconds < 0))
            {
              /* an overflow has occurred. */
-             error (1, 0, overflowmessage, str);
+             error (EXIT_FAILURE, 0, overflowmessage, str);
            }
 
          result->ts.tv_nsec = origin.tv_nsec - nanosec;
@@ -3586,7 +3605,7 @@ parse_time (const struct parser_table* entry, char 
*argv[], int *arg_ptr)
          origin.tv_sec += (DAYSECS-1);
          if (origin.tv_sec != expected)
            {
-             error (1, 0,
+             error (EXIT_FAILURE, 0,
                     _("arithmetic overflow when trying to calculate the end of 
today"));
            }
        }
diff --git a/find/pred.c b/find/pred.c
index 2f6beef..34c75a4 100644
--- a/find/pred.c
+++ b/find/pred.c
@@ -2028,7 +2028,7 @@ launch (struct buildcmd_control *ctl, void *usercontext, 
int argc, char **argv)
 
   child_pid = fork ();
   if (child_pid == -1)
-    error (1, errno, _("cannot fork"));
+    error (EXIT_FAILURE, errno, _("cannot fork"));
   if (child_pid == 0)
     {
       /* We are the child. */
diff --git a/find/tree.c b/find/tree.c
index 1332e52..5238e90 100644
--- a/find/tree.c
+++ b/find/tree.c
@@ -121,17 +121,19 @@ get_expr (struct predicate **input,
   struct predicate *this_pred = (*input);
 
   if (*input == NULL)
-    error (1, 0, _("invalid expression"));
+    error (EXIT_FAILURE, 0, _("invalid expression"));
 
   switch ((*input)->p_type)
     {
     case NO_TYPE:
-      error (1, 0, _("invalid expression"));
+      error (EXIT_FAILURE, 0, _("invalid expression"));
       break;
 
     case BI_OP:
       /* e.g. "find . -a" */
-      error (1, 0, _("invalid expression; you have used a binary operator '%s' 
with nothing before it."), this_pred->p_name);
+      error (EXIT_FAILURE, 0,
+            _("invalid expression; you have used a binary operator '%s' with 
nothing before it."),
+            this_pred->p_name);
       break;
 
     case CLOSE_PAREN:
@@ -140,7 +142,8 @@ get_expr (struct predicate **input,
          && !this_pred->artificial)
        {
          /* e.g. "find \( -not \)" or "find \( -true -a \" */
-         error (1, 0, _("expected an expression between '%s' and ')'"),
+         error (EXIT_FAILURE, 0,
+                _("expected an expression between '%s' and ')'"),
                 prev_pred->p_name);
        }
       else if ( (*input)->artificial )
@@ -149,11 +152,13 @@ get_expr (struct predicate **input,
           * unexpectedly.
           */
          /* e.g. "find . -true -a" */
-         error (1, 0, _("expected an expression after '%s'"), 
prev_pred->p_name);
+         error (EXIT_FAILURE, 0,
+                _("expected an expression after '%s'"), prev_pred->p_name);
        }
       else
        {
-         error (1, 0, _("invalid expression; you have too many ')'"));
+         error (EXIT_FAILURE, 0,
+                _("invalid expression; you have too many ')'"));
        }
       break;
 
@@ -175,23 +180,27 @@ get_expr (struct predicate **input,
           * looking at is from the artificial "( ) -print" that we
           * add.
           */
-         error (1, 0, _("invalid expression; expected to find a ')' but didn't 
see one.  Perhaps you need an extra predicate after '%s'"), this_pred->p_name);
+         error (EXIT_FAILURE, 0,
+                _("invalid expression; expected to find a ')' but didn't see 
one.  Perhaps you need an extra predicate after '%s'"),
+                this_pred->p_name);
        }
       prev_pred = (*input);
       *input = (*input)->pred_next;
       if ( (*input)->p_type == CLOSE_PAREN )
        {
-         error (1, 0, _("invalid expression; empty parentheses are not 
allowed."));
+         error (EXIT_FAILURE, 0,
+                _("invalid expression; empty parentheses are not allowed."));
        }
       next = get_expr (input, NO_PREC, prev_pred);
       if ((*input == NULL)
          || ((*input)->p_type != CLOSE_PAREN))
-       error (1, 0, _("invalid expression; I was expecting to find a ')' 
somewhere but did not see one."));
+       error (EXIT_FAILURE, 0,
+              _("invalid expression; I was expecting to find a ')' somewhere 
but did not see one."));
       *input = (*input)->pred_next;    /* move over close */
       break;
 
     default:
-      error (1, 0, _("oops -- invalid expression type!"));
+      error (EXIT_FAILURE, 0, _("oops -- invalid expression type!"));
       break;
     }
 
@@ -206,7 +215,7 @@ get_expr (struct predicate **input,
     {
       next = scan_rest (input, next, prev_prec);
       if (next == NULL)
-       error (1, 0, _("invalid expression"));
+       error (EXIT_FAILURE, 0, _("invalid expression"));
     }
   return (next);
 }
@@ -245,7 +254,7 @@ scan_rest (struct predicate **input,
          /* I'm not sure how we get here, so it is not obvious what
           * sort of mistakes might give rise to this condition.
           */
-         error (1, 0, _("invalid expression"));
+         error (EXIT_FAILURE, 0, _("invalid expression"));
          break;
 
        case BI_OP:
@@ -262,7 +271,7 @@ scan_rest (struct predicate **input,
          return tree;
 
        default:
-         error (1, 0,
+         error (EXIT_FAILURE, 0,
                 _("oops -- invalid expression type (%d)!"),
                 (int)(*input)->p_type);
          break;
@@ -825,7 +834,7 @@ opt_expr (struct predicate **eval_treep)
             all of the user's parentheses. */
 
        default:
-         error (1, 0, _("oops -- invalid expression type!"));
+         error (EXIT_FAILURE, 0, _("oops -- invalid expression type!"));
          break;
        }
 
@@ -1089,7 +1098,8 @@ get_pred_cost (const struct predicate *p)
                             sizeof(costlookup[0]),
                             cost_table_comparison))
            {
-             error(1, 0, "Failed to sort the costlookup array (indirect).");
+             error (EXIT_FAILURE, 0,
+                    "Failed to sort the costlookup array (indirect).");
            }
          pred_table_sorted = 1;
        }
@@ -1283,7 +1293,7 @@ build_expression_tree (int argc, char *argv[], int 
end_of_leading_options)
       if (parse_entry == NULL)
        {
          /* Command line option not recognized */
-         error (1, 0, _("unknown predicate `%s'"), predicate_name);
+         error (EXIT_FAILURE, 0, _("unknown predicate `%s'"), predicate_name);
        }
 
       /* We have recognised a test of the form -foo.  Eat that,
@@ -1303,19 +1313,20 @@ build_expression_tree (int argc, char *argv[], int 
end_of_leading_options)
                  /* The special parse function spat out the
                   * predicate.  It must be invalid, or not tasty.
                   */
-                 error (1, 0, _("invalid predicate `%s'"),
+                 error (EXIT_FAILURE, 0, _("invalid predicate `%s'"),
                         predicate_name);
                }
              else
                {
-                 error (1, 0, _("invalid argument `%s' to `%s'"),
+                 error (EXIT_FAILURE, 0, _("invalid argument `%s' to `%s'"),
                         argv[i], predicate_name);
                }
            }
          else
            {
              /* Command line option requires an argument */
-             error (1, 0, _("missing argument to `%s'"), predicate_name);
+             error (EXIT_FAILURE, 0,
+                    _("missing argument to `%s'"), predicate_name);
            }
        }
       else
@@ -1391,14 +1402,15 @@ build_expression_tree (int argc, char *argv[], int 
end_of_leading_options)
       if (pred_is (cur_pred, pred_closeparen))
        {
          /* e.g. "find \( -true \) \)" */
-         error (1, 0, _("you have too many ')'"));
+         error (EXIT_FAILURE, 0, _("you have too many ')'"));
        }
       else
        {
          if (cur_pred->p_name)
-           error (1, 0, _("unexpected extra predicate '%s'"), 
cur_pred->p_name);
+           error (EXIT_FAILURE, 0,
+                  _("unexpected extra predicate '%s'"), cur_pred->p_name);
          else
-           error (1, 0, _("unexpected extra predicate"));
+           error (EXIT_FAILURE, 0, _("unexpected extra predicate"));
        }
     }
 
@@ -1531,7 +1543,7 @@ get_new_pred_chk_op (const struct parser_table *entry,
     switch (last_pred->p_type)
       {
       case NO_TYPE:
-       error (1, 0, _("oops -- invalid default insertion of and!"));
+       error (EXIT_FAILURE, 0, _("oops -- invalid default insertion of and!"));
        break;
 
       case PRIMARY_TYPE:
diff --git a/find/util.c b/find/util.c
index 243b721..0c038ad 100644
--- a/find/util.c
+++ b/find/util.c
@@ -806,7 +806,7 @@ process_debug_options (char *arg)
     }
   if (empty)
     {
-      error(1, 0, _("Empty argument to the -D option."));
+      error(EXIT_FAILURE, 0, _("Empty argument to the -D option."));
     }
   else if (options.debug_options & DebugHelp)
     {
@@ -821,7 +821,8 @@ process_optimisation_option (const char *arg)
 {
   if (0 == arg[0])
     {
-      error (1, 0, _("The -O option must be immediately followed by a decimal 
integer"));
+      error (EXIT_FAILURE, 0,
+            _("The -O option must be immediately followed by a decimal 
integer"));
     }
   else
     {
@@ -830,7 +831,8 @@ process_optimisation_option (const char *arg)
 
       if (!isdigit ( (unsigned char) arg[0] ))
        {
-         error (1, 0, _("Please specify a decimal number immediately after 
-O"));
+         error (EXIT_FAILURE, 0,
+                _("Please specify a decimal number immediately after -O"));
        }
       else
        {
@@ -840,26 +842,29 @@ process_optimisation_option (const char *arg)
          opt_level = strtoul (arg, &end, 10);
          if ( (0==opt_level) && (end==arg) )
            {
-             error (1, 0, _("Please specify a decimal number immediately after 
-O"));
+             error (EXIT_FAILURE, 0,
+                    _("Please specify a decimal number immediately after -O"));
            }
          else if (*end)
            {
              /* unwanted trailing characters. */
-             error (1, 0, _("Invalid optimisation level %s"), arg);
+             error (EXIT_FAILURE, 0, _("Invalid optimisation level %s"), arg);
            }
          else if ( (ULONG_MAX==opt_level) && errno)
            {
-             error (1, errno, _("Invalid optimisation level %s"), arg);
+             error (EXIT_FAILURE, errno,
+                    _("Invalid optimisation level %s"), arg);
            }
          else if (opt_level > USHRT_MAX)
            {
              /* tricky to test, as on some platforms USHORT_MAX and ULONG_MAX
               * can have the same value, though this is unusual.
               */
-             error (1, 0, _("Optimisation level %lu is too high.  "
-                            "If you want to find files very quickly, "
-                            "consider using GNU locate."),
-                   opt_level);
+             error (EXIT_FAILURE, 0,
+                    _("Optimisation level %lu is too high.  "
+                      "If you want to find files very quickly, "
+                      "consider using GNU locate."),
+                    opt_level);
            }
          else
            {
@@ -999,7 +1004,8 @@ set_option_defaults (struct options *p)
 
   if (getenv ("FIND_BLOCK_SIZE"))
     {
-      error (1, 0, _("The environment variable FIND_BLOCK_SIZE is not 
supported, the only thing that affects the block size is the POSIXLY_CORRECT 
environment variable"));
+      error (EXIT_FAILURE, 0,
+            _("The environment variable FIND_BLOCK_SIZE is not supported, the 
only thing that affects the block size is the POSIXLY_CORRECT environment 
variable"));
     }
 
 #if LEAF_OPTIMISATION
diff --git a/lib/buildcmd.c b/lib/buildcmd.c
index c279d22..400425e 100644
--- a/lib/buildcmd.c
+++ b/lib/buildcmd.c
@@ -26,6 +26,7 @@
 #  endif
 # endif
 
+#include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
 #include <locale.h>
@@ -173,7 +174,7 @@ bc_do_insert (struct buildcmd_control *ctl,
     }
   while (*arg);
   if (*arg)
-    error (1, 0, _("command too long"));
+    error (EXIT_FAILURE, 0, _("command too long"));
   *p++ = '\0';
 
   bc_push_arg (ctl, state,
@@ -312,7 +313,7 @@ bc_do_exec (struct buildcmd_control *ctl,
              {
                /* No room to reduce the length of the argument list.
                   Issue an error message and give up. */
-               error (1, 0,
+               error (EXIT_FAILURE, 0,
                       _("can't call exec() due to argument size 
restrictions"));
              }
            else
@@ -383,12 +384,13 @@ bc_push_arg (struct buildcmd_control *ctl,
       if (state->cmd_argv_chars + len > ctl->arg_max)
         {
           if (initial_args || state->cmd_argc == ctl->initial_argc)
-            error (1, 0, _("can not fit single argument within argument list 
size limit"));
+            error (EXIT_FAILURE, 0,
+                  _("can not fit single argument within argument list size 
limit"));
           /* xargs option -i (replace_pat) implies -x (exit_if_size_exceeded) 
*/
           if (ctl->replace_pat
               || (ctl->exit_if_size_exceeded &&
                   (ctl->lines_per_exec || ctl->args_per_exec)))
-            error (1, 0, _("argument list too long"));
+            error (EXIT_FAILURE, 0, _("argument list too long"));
             bc_do_exec (ctl, state);
         }
       if (bc_argc_limit_reached (initial_args, ctl, state))
@@ -670,8 +672,8 @@ exceeds (const char *env_var_name, size_t quantity)
        }
       else
        {
-         error (1, errno, "Environment variable %s "
-                "is not set to a valid decimal number",
+         error (EXIT_FAILURE, errno,
+                "Environment variable %s is not set to a valid decimal number",
                 env_var_name);
          return 0;
        }
diff --git a/lib/regextype.c b/lib/regextype.c
index 1253d5a..10b956d 100644
--- a/lib/regextype.c
+++ b/lib/regextype.c
@@ -23,6 +23,7 @@
 # include <config.h>
 #endif
 
+#include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
@@ -103,9 +104,10 @@ get_regex_type (const char *s)
       p += sprintf (p, "%s", quote (regex_map[i].name));
     }
 
-  error (1, 0, _("Unknown regular expression type %s; valid types are %s."),
-       quote (s),
-       buf);
+  error (EXIT_FAILURE, 0,
+        _("Unknown regular expression type %s; valid types are %s."),
+        quote (s),
+        buf);
   /*NOTREACHED*/
   return -1;
 }
diff --git a/locate/code.c b/locate/code.c
index 1cf5093..daa816a 100644
--- a/locate/code.c
+++ b/locate/code.c
@@ -141,7 +141,7 @@ static void outerr (void)                 
ATTRIBUTE_NORETURN;
 static void
 inerr (const char *filename)
 {
-  error (1, errno, "%s", filename);
+  error (EXIT_FAILURE, errno, "%s", filename);
   /*NOTREACHED*/
   abort ();
 }
@@ -149,7 +149,7 @@ inerr (const char *filename)
 static void
 outerr (void)
 {
-  error (1, errno, _("write error"));
+  error (EXIT_FAILURE, errno, _("write error"));
   /*NOTREACHED*/
   abort ();
 }
diff --git a/locate/frcode.c b/locate/frcode.c
index da500fe..67b5471 100644
--- a/locate/frcode.c
+++ b/locate/frcode.c
@@ -178,21 +178,24 @@ get_seclevel (char *s)
   result = strtol (s, &p, 10);
   if ((0==result) && (p == optarg))
     {
-      error (1, 0, _("You need to specify a security level as a decimal 
integer."));
+      error (EXIT_FAILURE, 0,
+            _("You need to specify a security level as a decimal integer."));
       /*NOTREACHED*/
       return -1;
     }
   else if ((LONG_MIN==result || LONG_MAX==result) && errno)
 
     {
-      error (1, 0, _("Security level %s is outside the convertible range."), 
s);
+      error (EXIT_FAILURE, 0,
+            _("Security level %s is outside the convertible range."), s);
       /*NOTREACHED*/
       return -1;
     }
   else if (*p)
     {
       /* Some suffix exists */
-      error (1, 0, _("Security level %s has unexpected suffix %s."), s, p);
+      error (EXIT_FAILURE, 0,
+            _("Security level %s has unexpected suffix %s."), s, p);
       /*NOTREACHED*/
       return -1;
     }
@@ -206,7 +209,7 @@ static void
 outerr (void)
 {
   /* Issue the same error message as closeout () would. */
-  error (1, errno, _("write error"));
+  error (EXIT_FAILURE, errno, _("write error"));
 }
 
 int
@@ -247,7 +250,7 @@ main (int argc, char **argv)
        slocate_seclevel = get_seclevel (optarg);
        if (slocate_seclevel < 0 || slocate_seclevel > 1)
          {
-           error (1, 0,
+           error (EXIT_FAILURE, 0,
                   _("slocate security level %ld is unsupported."),
                   slocate_seclevel);
          }
@@ -286,7 +289,7 @@ main (int argc, char **argv)
       if (fwrite (LOCATEDB_MAGIC, 1, sizeof (LOCATEDB_MAGIC), stdout)
          != sizeof (LOCATEDB_MAGIC))
        {
-         error (1, errno, _("Failed to write to standard output"));
+         error (EXIT_FAILURE, errno, _("Failed to write to standard output"));
        }
     }
 
diff --git a/locate/locate.c b/locate/locate.c
index e90524e..592f754 100644
--- a/locate/locate.c
+++ b/locate/locate.c
@@ -193,8 +193,8 @@ set_max_db_age (const char *s)
 
   if (0 == *s)
     {
-      error (1, 0,
-           _("The argument for option --max-database-age must not be empty"));
+      error (EXIT_FAILURE, 0,
+            _("The argument for option --max-database-age must not be empty"));
     }
 
 
@@ -209,16 +209,16 @@ set_max_db_age (const char *s)
   if ((ULONG_MAX == val && ERANGE == errno) ||
       (0 == val && EINVAL == errno))
     {
-      error (1, errno,
-           _("Invalid argument %s for option --max-database-age"),
-           quotearg_n_style (0, locale_quoting_style, s));
+      error (EXIT_FAILURE, errno,
+            _("Invalid argument %s for option --max-database-age"),
+            quotearg_n_style (0, locale_quoting_style, s));
     }
   else if (*end)
     {
       /* errno wasn't set, don't print its message */
-      error (1, 0,
-           _("Invalid argument %s for option --max-database-age"),
-           quotearg_n_style (0, locale_quoting_style, s));
+      error (EXIT_FAILURE, 0,
+            _("Invalid argument %s for option --max-database-age"),
+            quotearg_n_style (0, locale_quoting_style, s));
     }
   else
     {
@@ -468,7 +468,7 @@ visit_justprint_unquoted (struct process_data *procdata, 
void *context)
 static void
 toolong (struct process_data *procdata)
 {
-  error (1, 0,
+  error (EXIT_FAILURE, 0,
         _("locate database %s contains a "
           "filename longer than locate can handle"),
         procdata->dbfile);
@@ -604,7 +604,7 @@ visit_locate02_format (struct process_data *procdata, void 
*context)
        * reading in data which is outside our control, we
        * cannot prevent it.
        */
-      error (1, 0, _("locate database %s is corrupt or invalid"),
+      error (EXIT_FAILURE, 0, _("locate database %s is corrupt or invalid"),
             quotearg_n_style (0, locale_quoting_style, procdata->dbfile));
     }
 
@@ -1193,7 +1193,7 @@ search_one_database (int argc,
                                     256 - nread, procdata.fp);
              if ( (more_read + nread) != 256 )
                {
-                 error (1, 0,
+                 error (EXIT_FAILURE, 0,
                         _("Old-format locate database %s is "
                           "too short to be valid"),
                         quotearg_n_style (0, locale_quoting_style, dbfile));
@@ -1238,7 +1238,7 @@ search_one_database (int argc,
                                              &p->regex);
          if (error_message)
            {
-             error (1, 0, "%s", error_message);
+             error (EXIT_FAILURE, 0, "%s", error_message);
            }
          else
            {
@@ -1531,7 +1531,7 @@ drop_privs (void)
   return 0;
 
  fail:
-  error (1, errno, "%s",
+  error (EXIT_FAILURE, errno, "%s",
         quotearg_n_style (0, locale_quoting_style, what));
   abort ();
   kill (0, SIGKILL);
diff --git a/locate/word_io.c b/locate/word_io.c
index ff17200..dad88b3 100644
--- a/locate/word_io.c
+++ b/locate/word_io.c
@@ -141,9 +141,10 @@ getword (FILE *fp,
        * Either condition is fatal.
        */
       if (feof (fp))
-       error (1, 0, _("unexpected EOF in %s"), quoted_name);
+       error (EXIT_FAILURE, 0, _("unexpected EOF in %s"), quoted_name);
       else
-       error (1, errno, _("error reading a word from %s"), quoted_name);
+       error (EXIT_FAILURE, errno,
+              _("error reading a word from %s"), quoted_name);
       abort ();
     }
   else
diff --git a/xargs/xargs.c b/xargs/xargs.c
index d8ea2ec..5cda8e2 100644
--- a/xargs/xargs.c
+++ b/xargs/xargs.c
@@ -245,7 +245,7 @@ get_char_oct_or_hex_escape (const char *s)
   else
     {
       p = NULL;                        /* Silence compiler warning. */
-      error (1, 0,
+      error (EXIT_FAILURE, 0,
             _("Invalid escape sequence %s in input delimiter specification."),
             s);
     }
@@ -263,13 +263,13 @@ get_char_oct_or_hex_escape (const char *s)
     {
       if (16 == base)
        {
-         error (1, 0,
+         error (EXIT_FAILURE, 0,
                 _("Invalid escape sequence %s in input delimiter 
specification; character values must not exceed %lx."),
                 s, (unsigned long)UCHAR_MAX);
        }
       else
        {
-         error (1, 0,
+         error (EXIT_FAILURE, 0,
                 _("Invalid escape sequence %s in input delimiter 
specification; character values must not exceed %lo."),
                 s, (unsigned long)UCHAR_MAX);
        }
@@ -278,7 +278,7 @@ get_char_oct_or_hex_escape (const char *s)
   /* check for trailing garbage */
   if (0 != *endp)
     {
-      error (1, 0,
+      error (EXIT_FAILURE, 0,
             _("Invalid escape sequence %s in input delimiter specification; 
trailing characters %s not recognised."),
             s, endp);
     }
@@ -323,7 +323,7 @@ get_input_delimiter (const char *s)
        }
       else
        {
-         error (1, 0,
+         error (EXIT_FAILURE, 0,
                 _("Invalid input delimiter specification %s: the delimiter 
must be either a single character or an escape sequence starting with \\."),
                 s);
          /*NOTREACHED*/
@@ -341,7 +341,7 @@ noop (void)
 static void
 fail_due_to_env_size (void)
 {
-  error (1, 0, _("environment is too large for exec"));
+  error (EXIT_FAILURE, 0, _("environment is too large for exec"));
 }
 
 static size_t
@@ -613,7 +613,7 @@ main (int argc, char **argv)
       input_stream = fopen (input_file, "r");
       if (NULL == input_stream)
        {
-         error (1, errno,
+         error (EXIT_FAILURE, errno,
                 _("Cannot open input file %s"),
                 quotearg_n_style (0, locale_quoting_style, input_file));
        }
@@ -786,7 +786,7 @@ read_line (void)
          if (state == QUOTE)
            {
              exec_if_possible ();
-             error (1, 0, _("unmatched %s quote; by default quotes are special 
to xargs unless you use the -0 option"),
+             error (EXIT_FAILURE, 0, _("unmatched %s quote; by default quotes 
are special to xargs unless you use the -0 option"),
                     quotc == '"' ? _("double") : _("single"));
            }
          if (first && EOF_STR (linebuf))
@@ -879,7 +879,7 @@ read_line (void)
          if (c == '\n')
            {
              exec_if_possible ();
-             error (1, 0, _("unmatched %s quote; by default quotes are special 
to xargs unless you use the -0 option"),
+             error (EXIT_FAILURE, 0, _("unmatched %s quote; by default quotes 
are special to xargs unless you use the -0 option"),
                     quotc == '"' ? _("double") : _("single"));
            }
          if (c == quotc)
@@ -909,7 +909,7 @@ read_line (void)
       if (p >= endbuf)
         {
          exec_if_possible ();
-         error (1, 0, _("argument line too long"));
+         error (EXIT_FAILURE, 0, _("argument line too long"));
        }
       *p++ = c;
 #else
@@ -966,7 +966,7 @@ read_string (void)
       if (p >= endbuf)
         {
          exec_if_possible ();
-         error (1, 0, _("argument line too long"));
+         error (EXIT_FAILURE, 0, _("argument line too long"));
        }
       *p++ = c;
     }
@@ -993,7 +993,8 @@ print_args (boolean ask)
        {
          tty_stream = fopen ("/dev/tty", "r");
          if (!tty_stream)
-           error (1, errno, _("failed to open /dev/tty for reading"));
+           error (EXIT_FAILURE, errno,
+                  _("failed to open /dev/tty for reading"));
        }
       fputs ("?...", stderr);
       fflush (stderr);
@@ -1076,7 +1077,7 @@ xargs_do_exec (struct buildcmd_control *ctl, void 
*usercontext, int argc, char *
       wait_for_proc (false, 0u);
 
       if (pipe (fd))
-       error (1, errno, _("could not create pipe before fork"));
+       error (EXIT_FAILURE, errno, _("could not create pipe before fork"));
       fcntl (fd[1], F_SETFD, FD_CLOEXEC);
 
       /* If we run out of processes, wait for a child to return and
@@ -1087,7 +1088,7 @@ xargs_do_exec (struct buildcmd_control *ctl, void 
*usercontext, int argc, char *
       switch (child)
        {
        case -1:
-         error (1, errno, _("cannot fork"));
+         error (EXIT_FAILURE, errno, _("cannot fork"));
 
        case 0:         /* Child.  */
          {
@@ -1195,7 +1196,8 @@ xargs_do_exec (struct buildcmd_control *ctl, void 
*usercontext, int argc, char *
          }
        default:
          {
-           error (1, errno, "read returned unexpected value %d! BUG?", r);
+           error (EXIT_FAILURE, errno,
+                  "read returned unexpected value %d! BUG?", r);
          }
        } /* switch on bytes read */
       close (fd[0]);
@@ -1283,7 +1285,8 @@ wait_for_proc (boolean all, unsigned int minreap)
          while ((pid = waitpid (-1, &status, wflags)) == (pid_t) -1)
            {
              if (errno != EINTR)
-               error (1, errno, _("error waiting for child process"));
+               error (EXIT_FAILURE, errno,
+                      _("error waiting for child process"));
            }
 
          /* Find the entry in `pids' for the child process
-- 
1.5.6.5





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