build: accommodate new syntax-check test

Use EXIT_FAILURE and EXIT_SUCCESS, not 1 and 0.
Apply these commands:
perl -pi -e 's/\berror \(1,/error (EXIT_FAILURE,/' \
  $(git grep -l '\<error (1,')
perl -pi -e 's/\bexit \(1\)/exit (EXIT_FAILURE)/' \
  $(git grep -l '\<exit (1)')
perl -pi -e 's/\bexit \(0\)/exit (EXIT_SUCCESS)/' \
  $(git grep -l '\<exit (0)')
* libidu/idread.c (read_id_file, maybe_read_id_file, io_read):
* libidu/idu-hash.c (hash_init):
* libidu/idwrite.c (io_write):
* libidu/scanners.c (parse_language_map, parse_language_map_file):
(read_language_map_file):
* libidu/walker.c (include_languages, exclude_languages):
(get_current_dir_link):
* src/fid.c (usage, help_me, main):
* src/fnid.c (usage, help_me, main):
* src/lid.c (usage, help_me, main, report_grep, report_edit):
(query_regexp):
* src/mkid.c (main, assert_writeable, write_id_file):
* src/xtokid.c (help_me):

5 files changed, 16 insertions, 16 deletions

diff --git a/libidu/idread.c b/libidu/idread.c
index 449c2d1..c55d6bd 100644
--- a/libidu/idread.c
+++ b/libidu/idread.c
@@ -46,7 +46,7 @@ read_id_file (char const *id_file_name, struct idhead *idhp)
   struct file_link **flinkv = maybe_read_id_file (id_file_name, idhp);
   if (flinkv)
     return flinkv;
-  error (1, errno, _("can't open `%s'"), id_file_name);
+  error (EXIT_FAILURE, errno, _("can't open `%s'"), id_file_name);
   return NULL;
 }
 
@@ -65,9 +65,9 @@ maybe_read_id_file (char const *id_file_name, struct idhead *idhp)
 
   read_idhead (idhp);
   if (idhp->idh_magic[0] != IDH_MAGIC_0 || idhp->idh_magic[1] != IDH_MAGIC_1)
-    error (1, 0, _("`%s' is not an ID file! (bad magic #)"), id_file_name);
+    error (EXIT_FAILURE, 0, _("`%s' is not an ID file! (bad magic #)"), id_file_name);
   if (idhp->idh_version != IDH_VERSION)
-    error (1, 0, _("`%s' is version %d, but I only grok version %d"),
+    error (EXIT_FAILURE, 0, _("`%s' is version %d, but I only grok version %d"),
 	   id_file_name, idhp->idh_version, IDH_VERSION);
 
   fseek (idhp->idh_FILE, idhp->idh_flinks_offset, 0);
@@ -187,7 +187,7 @@ io_read (FILE *input_FILE, void *addr, unsigned int size, int io_type)
 	  *(unsigned char *)addr = getc (input_FILE);
 	  break;
 	default:
-	  error (1, 0, _("unsupported size in io_read (): %d"), size);
+	  error (EXIT_FAILURE, 0, _("unsupported size in io_read (): %d"), size);
 	}
     }
   else if (io_type == IO_TYPE_STR)
diff --git a/libidu/idu-hash.c b/libidu/idu-hash.c
index 638335e..3eab298 100644
--- a/libidu/idu-hash.c
+++ b/libidu/idu-hash.c
@@ -48,7 +48,7 @@ hash_init (struct hash_table* ht, unsigned long size,
   ht->ht_empty_slots = ht->ht_size;
   ht->ht_vec = xcalloc (ht->ht_size, sizeof(struct token *));
   if (ht->ht_vec == 0)
-    error (1, 0, _("can't allocate %ld bytes for hash table: memory exhausted"),
+    error (EXIT_FAILURE, 0, _("can't allocate %ld bytes for hash table: memory exhausted"),
 	   ht->ht_size * sizeof(struct token *));
   ht->ht_capacity = ht->ht_size * 15 / 16; /* 93.75% loading factor */
   ht->ht_fill = 0;
diff --git a/libidu/idwrite.c b/libidu/idwrite.c
index 7771d34..0e0c593 100644
--- a/libidu/idwrite.c
+++ b/libidu/idwrite.c
@@ -155,7 +155,7 @@ io_write (FILE *output_FILE, void *addr, unsigned int size, int io_type)
 	  putc (*(unsigned char *)addr, output_FILE);
 	  break;
 	default:
-	  error (1, 0, _("unsupported size in io_write (): %d"), size);
+	  error (EXIT_FAILURE, 0, _("unsupported size in io_write (): %d"), size);
 	}
     }
   else if (io_type == IO_TYPE_STR)
diff --git a/libidu/scanners.c b/libidu/scanners.c
index 67e9a11..4beb5ed 100644
--- a/libidu/scanners.c
+++ b/libidu/scanners.c
@@ -166,7 +166,7 @@ void
 parse_language_map (char const *file_name)
 {
   if (obstack_init (&lang_args_obstack) == 0)
-    error (1, 0, _("can't allocate language args obstack: memory exhausted"));
+    error (EXIT_FAILURE, 0, _("can't allocate language args obstack: memory exhausted"));
   if (file_name == 0)
     file_name = LANGUAGE_MAP_FILE;
   parse_language_map_file (file_name, &lang_args_list);
@@ -220,7 +220,7 @@ parse_language_map_file (char const *file_name, struct lang_args **next_ptr)
 
       new_args = obstack_alloc (&lang_args_obstack, sizeof *new_args);
       if (new_args == 0)
-	error (1, 0, _("can't allocate language args: memory exhausted"));
+	error (EXIT_FAILURE, 0, _("can't allocate language args: memory exhausted"));
       new_args->la_pattern = obstack_copy0 (&lang_args_obstack, lmp, pattern_size);
       new_args->la_args_string = 0;
       new_args->la_next = 0;
@@ -283,22 +283,22 @@ read_language_map_file (char const *file_name)
 
   map_fd = open (file_name, O_RDONLY);
   if (map_fd < 0)
-    error (1, errno, _("can't open language map file `%s'"), file_name);
+    error (EXIT_FAILURE, errno, _("can't open language map file `%s'"), file_name);
   if (fstat (map_fd, &st) < 0)
-    error (1, errno, _("can't get size of map file `%s'"), file_name);
+    error (EXIT_FAILURE, errno, _("can't get size of map file `%s'"), file_name);
 
   lang_map_buffer = xmalloc (sizeof(char) * (st.st_size + 2));
   if (lang_map_buffer == 0)
-    error (1, 0, _("can't allocate language args: memory exhausted"));
+    error (EXIT_FAILURE, 0, _("can't allocate language args: memory exhausted"));
   lang_map_buffer[st.st_size] = '\n';
   lang_map_buffer[st.st_size+1] = '\0';
 
   bytes = read (map_fd, lang_map_buffer, st.st_size);
   if (bytes < 0)
-    error (1, errno, _("can't read language map file `%s'"), file_name);
+    error (EXIT_FAILURE, errno, _("can't read language map file `%s'"), file_name);
   /* FIXME: handle interrupted & partial reads */
   if (bytes != st.st_size)
-    error (1, errno, _("can't read entire language map file `%s'"), file_name);
+    error (EXIT_FAILURE, errno, _("can't read entire language map file `%s'"), file_name);
 
   close (map_fd);
   return lang_map_buffer;
diff --git a/libidu/walker.c b/libidu/walker.c
index 5fe2bf4..4093958 100644
--- a/libidu/walker.c
+++ b/libidu/walker.c
@@ -503,7 +503,7 @@ void
 include_languages (char *lang_names)
 {
   if (langs_excluded)
-    error (1, 0, _("can't mix --include and --exclude options"));
+    error (EXIT_FAILURE, 0, _("can't mix --include and --exclude options"));
   langs_included = append_strings_to_vector (langs_included, lang_names, white_space);
 }
 
@@ -511,7 +511,7 @@ void
 exclude_languages (char *lang_names)
 {
   if (langs_excluded)
-    error (1, 0, _("can't mix --include and --exclude options"));
+    error (EXIT_FAILURE, 0, _("can't mix --include and --exclude options"));
   langs_excluded = append_strings_to_vector (langs_excluded, lang_names, white_space);
 }
 
@@ -621,7 +621,7 @@ get_current_dir_link (void)
   cwd = getenv ("PWD");
   cwd = same_as_dot (cwd) ? xstrdup (cwd) : xgetcwd ();
   if (cwd == NULL)
-    error (1, errno, _("can't get working directory"));
+    error (EXIT_FAILURE, errno, _("can't get working directory"));
 #if HAVE_LINK
   dir_link = get_link_from_string (SLASH_STRING, 0);
   dir_link->fl_flags = (dir_link->fl_flags & ~FL_TYPE_MASK) | FL_TYPE_DIR;