Replace index_in_[sub]str_array with index_in_[sub]strings,

which scans thru "abc\0def\0123\0\0" type strings. Saves 250 bytes.

   text    data     bss     dec     hex filename
 781266    1328   11844  794438   c1f46 busybox_old
 781010    1328   11844  794182   c1e46 busybox_unstripped

1 files changed, 37 insertions, 39 deletions

diff --git a/findutils/find.c b/findutils/find.c
index 6f2cbbc78..eaf1d5946 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -470,38 +470,37 @@ static action*** parse_params(char **argv)
         USE_FEATURE_FIND_CONTEXT(PARM_context   ,)
         };
 
-        static const char *const params[] = {
-                                 "-a"      ,
-                                 "-o"      ,
-        USE_FEATURE_FIND_NOT(    "!"       ,)
+        static const char params[] =
+                                 "-a\0"
+                                 "-o\0"
+        USE_FEATURE_FIND_NOT(    "!\0"       )
 #if ENABLE_DESKTOP
-                                 "-and"    ,
-                                 "-or"     ,
-        USE_FEATURE_FIND_NOT(    "-not"    ,)
-#endif
-                                 "-print"  ,
-        USE_FEATURE_FIND_PRINT0( "-print0" ,)
-        USE_FEATURE_FIND_DEPTH(  "-depth"  ,)
-        USE_FEATURE_FIND_PRUNE(  "-prune"  ,)
-        USE_FEATURE_FIND_DELETE( "-delete" ,)
-        USE_FEATURE_FIND_EXEC(   "-exec"   ,)
-        USE_FEATURE_FIND_PAREN(  "("       ,)
+                                 "-and\0"  
+                                 "-or\0"   
+        USE_FEATURE_FIND_NOT(    "-not\0"    )
+#endif
+                                 "-print\0"
+        USE_FEATURE_FIND_PRINT0( "-print0\0" )
+        USE_FEATURE_FIND_DEPTH(  "-depth\0"  )
+        USE_FEATURE_FIND_PRUNE(  "-prune\0"  )
+        USE_FEATURE_FIND_DELETE( "-delete\0" )
+        USE_FEATURE_FIND_EXEC(   "-exec\0"   )
+        USE_FEATURE_FIND_PAREN(  "(\0"       )
         /* All options starting from here require argument */
-                                 "-name"   ,
-        USE_FEATURE_FIND_PATH(   "-path"   ,)
-        USE_FEATURE_FIND_REGEX(  "-regex"  ,)
-        USE_FEATURE_FIND_TYPE(   "-type"   ,)
-        USE_FEATURE_FIND_PERM(   "-perm"   ,)
-        USE_FEATURE_FIND_MTIME(  "-mtime"  ,)
-        USE_FEATURE_FIND_MMIN(   "-mmin"   ,)
-        USE_FEATURE_FIND_NEWER(  "-newer"  ,)
-        USE_FEATURE_FIND_INUM(   "-inum"   ,)
-        USE_FEATURE_FIND_USER(   "-user"   ,)
-        USE_FEATURE_FIND_GROUP(  "-group"  ,)
-        USE_FEATURE_FIND_SIZE(   "-size"   ,)
-        USE_FEATURE_FIND_CONTEXT("-context",)
-                NULL
-        };
+                                 "-name\0" 
+        USE_FEATURE_FIND_PATH(   "-path\0"   )
+        USE_FEATURE_FIND_REGEX(  "-regex\0"  )
+        USE_FEATURE_FIND_TYPE(   "-type\0"   )
+        USE_FEATURE_FIND_PERM(   "-perm\0"   )
+        USE_FEATURE_FIND_MTIME(  "-mtime\0"  )
+        USE_FEATURE_FIND_MMIN(   "-mmin\0"   )
+        USE_FEATURE_FIND_NEWER(  "-newer\0"  )
+        USE_FEATURE_FIND_INUM(   "-inum\0"   )
+        USE_FEATURE_FIND_USER(   "-user\0"   )
+        USE_FEATURE_FIND_GROUP(  "-group\0"  )
+        USE_FEATURE_FIND_SIZE(   "-size\0"   )
+        USE_FEATURE_FIND_CONTEXT("-context\0")
+                                 ;
 
         action*** appp;
         unsigned cur_group = 0;
@@ -541,7 +540,7 @@ static action*** parse_params(char **argv)
  */
         while (*argv) {
                 const char *arg = argv[0];
-                int parm = index_in_str_array(params, arg);
+                int parm = index_in_strings(params, arg);
                 const char *arg1 = argv[1];
 
                 if (parm >= PARM_name) {
@@ -795,14 +794,13 @@ static action*** parse_params(char **argv)
 int find_main(int argc, char **argv);
 int find_main(int argc, char **argv)
 {
-        static const char *const options[] = {
-                "-follow",
-USE_FEATURE_FIND_XDEV(    "-xdev"    ,)
-USE_FEATURE_FIND_MAXDEPTH("-maxdepth",)
-                NULL
-        };
+        static const char options[] =
+                          "-follow\0"
+USE_FEATURE_FIND_XDEV(    "-xdev\0"    )
+USE_FEATURE_FIND_MAXDEPTH("-maxdepth\0")
+                          ;
         enum {
-                OPT_FOLLOW,
+                          OPT_FOLLOW,
 USE_FEATURE_FIND_XDEV(    OPT_XDEV    ,)
 USE_FEATURE_FIND_MAXDEPTH(OPT_MAXDEPTH,)
         };
@@ -839,7 +837,7 @@ USE_FEATURE_FIND_MAXDEPTH(OPT_MAXDEPTH,)
         /* (-a will be ignored by recursive parser later) */
         argp = &argv[firstopt];
         while ((arg = argp[0])) {
-                int opt = index_in_str_array(options, arg);
+                int opt = index_in_strings(options, arg);
                 if (opt == OPT_FOLLOW) {
                         recurse_flags |= ACTION_FOLLOWLINKS;
                         argp[0] = (char*)"-a";