25 files changed, 43 insertions, 230 deletions
diff --git a/string/test-memccpy.c b/string/test-memccpy.c
index ee2cf8b..c7cc866 100644
--- a/string/test-memccpy.c
+++ b/string/test-memccpy.c
@@ -20,13 +20,9 @@
 #define TEST_NAME "memccpy"
 #include "test-string.h"
 
-void *simple_memccpy (void *, const void *, int, size_t);
-void *stupid_memccpy (void *, const void *, int, size_t);
-
-IMPL (stupid_memccpy, 0)
-IMPL (simple_memccpy, 0)
 IMPL (memccpy, 1)
 
+/* Naive implementation to verify results.  */
 void *
 simple_memccpy (void *dst, const void *src, int c, size_t n)
 {
@@ -40,18 +36,6 @@ simple_memccpy (void *dst, const void *src, int c, size_t n)
   return NULL;
 }
 
-void *
-stupid_memccpy (void *dst, const void *src, int c, size_t n)
-{
-  void *p = memchr (src, c, n);
-
-  if (p != NULL)
-    return mempcpy (dst, src, p - src + 1);
-
-  memcpy (dst, src, n);
-  return NULL;
-}
-
 typedef void *(*proto_t) (void *, const void *, int c, size_t);
 
 static void
diff --git a/string/test-memchr.c b/string/test-memchr.c
index a461708..279a67e 100644
--- a/string/test-memchr.c
+++ b/string/test-memchr.c
@@ -44,11 +44,10 @@
 #endif /* WIDE */
 
 typedef CHAR *(*proto_t) (const CHAR *, int, size_t);
-CHAR *SIMPLE_MEMCHR (const CHAR *, int, size_t);
 
-IMPL (SIMPLE_MEMCHR, 0)
 IMPL (MEMCHR, 1)
 
+/* Naive implementation to verify results.  */
 CHAR *
 SIMPLE_MEMCHR (const CHAR *s, int c, size_t n)
 {
diff --git a/string/test-memcmp.c b/string/test-memcmp.c
index 89ef341..181b689 100644
--- a/string/test-memcmp.c
+++ b/string/test-memcmp.c
@@ -85,7 +85,6 @@ SIMPLE_MEMCMP (const char *s1, const char *s2, size_t n)
 
 typedef int (*proto_t) (const CHAR *, const CHAR *, size_t);
 
-IMPL (SIMPLE_MEMCMP, 0)
 IMPL (MEMCMP, 1)
 
 static int
diff --git a/string/test-memcpy-support.h b/string/test-memcpy-support.h
index 699c00c..0ea982b 100644
--- a/string/test-memcpy-support.h
+++ b/string/test-memcpy-support.h
@@ -29,12 +29,9 @@
 #define TIMEOUT (8 * 60)
 #include "test-string.h"
 
-char *simple_memcpy (char *, const char *, size_t);
-char *builtin_memcpy (char *, const char *, size_t);
-
-IMPL (simple_memcpy, 0)
-IMPL (builtin_memcpy, 0)
 IMPL (memcpy, 1)
+
+/* Naive implementation to verify results.  */
 char *
 simple_memcpy (char *dst, const char *src, size_t n)
 {
@@ -44,11 +41,6 @@ simple_memcpy (char *dst, const char *src, size_t n)
   return ret;
 }
 
-char *
-builtin_memcpy (char *dst, const char *src, size_t n)
-{
-  return __builtin_memcpy (dst, src, n);
-}
 #endif
 typedef char *(*proto_t) (char *, const char *, size_t);
 typedef uint32_t __attribute__ ((may_alias, aligned (1))) unaligned_uint32_t;
diff --git a/string/test-memmem.c b/string/test-memmem.c
index 37d3ea4..69803be 100644
--- a/string/test-memmem.c
+++ b/string/test-memmem.c
@@ -23,11 +23,10 @@
 #include "test-string.h"
 
 typedef char *(*proto_t) (const void *, size_t, const void *, size_t);
-void *simple_memmem (const void *, size_t, const void *, size_t);
 
-IMPL (simple_memmem, 0)
 IMPL (memmem, 1)
 
+/* Naive implementation to verify results.  */
 void *
 simple_memmem (const void *haystack, size_t haystack_len, const void *needle,
 	       size_t needle_len)
diff --git a/string/test-memmove.c b/string/test-memmove.c
index 8d9ac86..be8752e 100644
--- a/string/test-memmove.c
+++ b/string/test-memmove.c
@@ -29,23 +29,23 @@ char *simple_memmove (char *, const char *, size_t);
 
 #ifdef TEST_BCOPY
 typedef void (*proto_t) (const char *, char *, size_t);
-void simple_bcopy (const char *, char *, size_t);
 
-IMPL (simple_bcopy, 0)
 IMPL (bcopy, 1)
 
+/* Naive implementation to verify results.  */
 void
 simple_bcopy (const char *src, char *dst, size_t n)
 {
   simple_memmove (dst, src, n);
 }
+
 #else
 typedef char *(*proto_t) (char *, const char *, size_t);
 
-IMPL (simple_memmove, 0)
 IMPL (memmove, 1)
 #endif
 
+/* Naive implementation to verify results.  */
 char *
 inhibit_loop_to_libcall
 simple_memmove (char *dst, const char *src, size_t n)
diff --git a/string/test-mempcpy.c b/string/test-mempcpy.c
index 9637d02..75808b2 100644
--- a/string/test-mempcpy.c
+++ b/string/test-mempcpy.c
@@ -22,11 +22,9 @@
 #define TEST_NAME "mempcpy"
 #include "test-string.h"
 
-char *simple_mempcpy (char *, const char *, size_t);
-
-IMPL (simple_mempcpy, 0)
 IMPL (mempcpy, 1)
 
+/* Naive implementation to verify results.  */
 char *
 simple_mempcpy (char *dst, const char *src, size_t n)
 {
diff --git a/string/test-memrchr.c b/string/test-memrchr.c
index 8d60d17..80419a6 100644
--- a/string/test-memrchr.c
+++ b/string/test-memrchr.c
@@ -21,11 +21,10 @@
 #include "test-string.h"
 
 typedef char *(*proto_t) (const char *, int, size_t);
-char *simple_memrchr (const char *, int, size_t);
 
-IMPL (simple_memrchr, 0)
 IMPL (memrchr, 1)
 
+/* Naive implementation to verify results.  */
 char *
 simple_memrchr (const char *s, int c, size_t n)
 {
diff --git a/string/test-memset.c b/string/test-memset.c
index ee548f6..00582c8 100644
--- a/string/test-memset.c
+++ b/string/test-memset.c
@@ -50,51 +50,19 @@
 # define BIG_CHAR WCHAR_MAX
 #endif /* WIDE */
 
-CHAR *SIMPLE_MEMSET (CHAR *, int, size_t);
-
 #ifdef TEST_BZERO
 typedef void (*proto_t) (char *, size_t);
-void simple_bzero (char *, size_t);
-void builtin_bzero (char *, size_t);
-
-IMPL (simple_bzero, 0)
-IMPL (builtin_bzero, 0)
-#ifdef TEST_EXPLICIT_BZERO
+# ifdef TEST_EXPLICIT_BZERO
 IMPL (explicit_bzero, 1)
-#else
+# else
 IMPL (bzero, 1)
-#endif
-
-void
-simple_bzero (char *s, size_t n)
-{
-  SIMPLE_MEMSET (s, 0, n);
-}
-
-void
-builtin_bzero (char *s, size_t n)
-{
-  __builtin_bzero (s, n);
-}
+# endif
 #else
 typedef CHAR *(*proto_t) (CHAR *, int, size_t);
-
-IMPL (SIMPLE_MEMSET, 0)
-# ifndef WIDE
-char *builtin_memset (char *, int, size_t);
-IMPL (builtin_memset, 0)
-# endif /* !WIDE */
 IMPL (MEMSET, 1)
-
-# ifndef WIDE
-char *
-builtin_memset (char *s, int c, size_t n)
-{
-  return __builtin_memset (s, c, n);
-}
-# endif /* !WIDE */
 #endif /* !TEST_BZERO */
 
+/* Naive implementation to verify results.  */
 CHAR *
 inhibit_loop_to_libcall
 SIMPLE_MEMSET (CHAR *s, int c, size_t n)
@@ -116,7 +84,7 @@ do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n, int
       s[n] = sentinel;
   SIMPLE_MEMSET(s, ~c, n);
 #ifdef TEST_BZERO
-  simple_bzero (buf, n);
+  SIMPLE_MEMSET (buf, 0, n);
   CALL (impl, s, n);
   if (memcmp (s, buf, n) != 0
       || (space_below && s[-1] != sentinel)
diff --git a/string/test-strcasecmp.c b/string/test-strcasecmp.c
index 438a971..fe48d11 100644
--- a/string/test-strcasecmp.c
+++ b/string/test-strcasecmp.c
@@ -27,14 +27,11 @@
 #include "test-string.h"
 
 typedef int (*proto_t) (const char *, const char *);
-static int simple_strcasecmp (const char *, const char *);
-static int stupid_strcasecmp (const char *, const char *);
 
-IMPL (stupid_strcasecmp, 0)
-IMPL (simple_strcasecmp, 0)
 IMPL (strcasecmp, 1)
 
-static int
+/* Naive implementation to verify results.  */
+int
 simple_strcasecmp (const char *s1, const char *s2)
 {
   int ret;
@@ -46,24 +43,6 @@ simple_strcasecmp (const char *s1, const char *s2)
   return ret;
 }
 
-static int
-stupid_strcasecmp (const char *s1, const char *s2)
-{
-  size_t ns1 = strlen (s1) + 1, ns2 = strlen (s2) + 1;
-  size_t n = ns1 < ns2 ? ns1 : ns2;
-  int ret = 0;
-
-  while (n--)
-    {
-      if ((ret = ((unsigned char) tolower (*s1)
-		  - (unsigned char) tolower (*s2))) != 0)
-	break;
-      ++s1;
-      ++s2;
-    }
-  return ret;
-}
-
 static void
 do_one_test (impl_t *impl, const char *s1, const char *s2, int exp_result)
 {
diff --git a/string/test-strcasestr.c b/string/test-strcasestr.c
index b73bcfe..0d39c62 100644
--- a/string/test-strcasestr.c
+++ b/string/test-strcasestr.c
@@ -21,15 +21,15 @@
 #include "test-string.h"
 
 
-#define STRCASESTR simple_strcasestr
+#define STRCASESTR c_strcasestr
 #define NO_ALIAS
 #define __strncasecmp strncasecmp
 #define __strnlen strnlen
 #include "strcasestr.c"
 
-
+/* Naive implementation to verify results.  */
 static char *
-stupid_strcasestr (const char *s1, const char *s2)
+simple_strcasestr (const char *s1, const char *s2)
 {
   ssize_t s1len = strlen (s1);
   ssize_t s2len = strlen (s2);
@@ -53,8 +53,7 @@ stupid_strcasestr (const char *s1, const char *s2)
 
 typedef char *(*proto_t) (const char *, const char *);
 
-IMPL (stupid_strcasestr, 0)
-IMPL (simple_strcasestr, 0)
+IMPL (c_strcasestr, 0)
 IMPL (strcasestr, 1)
 
 
@@ -129,7 +128,7 @@ check1 (void)
   const char s2[] = "OK";
   char *exp_result;
 
-  exp_result = stupid_strcasestr (s1, s2);
+  exp_result = simple_strcasestr (s1, s2);
   FOR_EACH_IMPL (impl, 0)
     check_result (impl, s1, s2, exp_result);
 }
diff --git a/string/test-strcat.c b/string/test-strcat.c
index b5aab0f..59b953c 100644
--- a/string/test-strcat.c
+++ b/string/test-strcat.c
@@ -54,11 +54,10 @@
 #endif /* WIDE */
 
 typedef CHAR *(*proto_t) (CHAR *, const CHAR *);
-CHAR *SIMPLE_STRCAT (CHAR *, const CHAR *);
 
-IMPL (SIMPLE_STRCAT, 0)
 IMPL (STRCAT, 1)
 
+/* Naive implementation to verify results.  */
 CHAR *
 SIMPLE_STRCAT (CHAR *dst, const CHAR *src)
 {
diff --git a/string/test-strchr.c b/string/test-strchr.c
index 4d2ab5f..631e377 100644
--- a/string/test-strchr.c
+++ b/string/test-strchr.c
@@ -35,7 +35,6 @@
 #ifndef WIDE
 # ifdef USE_FOR_STRCHRNUL
 #  define STRCHR strchrnul
-#  define stupid_STRCHR stupid_STRCHRNUL
 #  define simple_STRCHR simple_STRCHRNUL
 # else
 #  define STRCHR strchr
@@ -51,7 +50,6 @@
 # include <wchar.h>
 # ifdef USE_FOR_STRCHRNUL
 #  define STRCHR wcschrnul
-#  define stupid_STRCHR stupid_WCSCHRNUL
 #  define simple_STRCHR simple_WCSCHRNUL
 # else
 #  define STRCHR wcschr
@@ -74,18 +72,10 @@
 
 typedef CHAR *(*proto_t) (const CHAR *, int);
 
+/* Naive implementation to verify results.  */
 CHAR *
 simple_STRCHR (const CHAR *s, int c)
 {
-  for (; *s != (CHAR) c; ++s)
-    if (*s == '\0')
-      return NULLRET ((CHAR *) s);
-  return (CHAR *) s;
-}
-
-CHAR *
-stupid_STRCHR (const CHAR *s, int c)
-{
   size_t n = STRLEN (s) + 1;
 
   while (n--)
@@ -94,8 +84,6 @@ stupid_STRCHR (const CHAR *s, int c)
   return NULLRET ((CHAR *) s - 1);
 }
 
-IMPL (stupid_STRCHR, 0)
-IMPL (simple_STRCHR, 0)
 IMPL (STRCHR, 1)
 
 static int
@@ -231,7 +219,7 @@ check1 (void)
 {
   CHAR s[] __attribute__((aligned(16))) = L ("\xff");
   CHAR c = L ('\xfe');
-  CHAR *exp_result = stupid_STRCHR (s, c);
+  CHAR *exp_result = simple_STRCHR (s, c);
 
   FOR_EACH_IMPL (impl, 0)
     check_result (impl, s, c, exp_result);
diff --git a/string/test-strcmp.c b/string/test-strcmp.c
index ece03c6..2372e92 100644
--- a/string/test-strcmp.c
+++ b/string/test-strcmp.c
@@ -99,7 +99,6 @@ simple_strcmp (const char *s1, const char *s2)
 
 typedef int (*proto_t) (const CHAR *, const CHAR *);
 
-IMPL (SIMPLE_STRCMP, 1)
 IMPL (STRCMP, 1)
 
 static int
diff --git a/string/test-strcpy.c b/string/test-strcpy.c
index 83b7707..7e7d10a 100644
--- a/string/test-strcpy.c
+++ b/string/test-strcpy.c
@@ -54,11 +54,9 @@
 #  define STRCPY wcscpy
 # endif
 
-CHAR *SIMPLE_STRCPY (CHAR *, const CHAR *);
-
-IMPL (SIMPLE_STRCPY, 0)
 IMPL (STRCPY, 1)
 
+/* Naive implementation to verify results.  */
 CHAR *
 SIMPLE_STRCPY (CHAR *dst, const CHAR *src)
 {
diff --git a/string/test-strlen.c b/string/test-strlen.c
index dd394da..21a9cc1 100644
--- a/string/test-strlen.c
+++ b/string/test-strlen.c
@@ -37,6 +37,7 @@
 
 typedef size_t (*proto_t) (const CHAR *);
 
+/* Naive implementation to verify results.  */
 size_t
 simple_STRLEN (const CHAR *s)
 {
@@ -55,7 +56,6 @@ builtin_strlen (const CHAR *p)
 IMPL (builtin_strlen, 0)
 #endif
 
-IMPL (simple_STRLEN, 0)
 IMPL (STRLEN, 1)
 
 
diff --git a/string/test-strncasecmp.c b/string/test-strncasecmp.c
index 1aebc37..126ced9 100644
--- a/string/test-strncasecmp.c
+++ b/string/test-strncasecmp.c
@@ -29,12 +29,10 @@
 
 typedef int (*proto_t) (const char *, const char *, size_t);
 static int simple_strncasecmp (const char *, const char *, size_t);
-static int stupid_strncasecmp (const char *, const char *, size_t);
 
-IMPL (stupid_strncasecmp, 0)
-IMPL (simple_strncasecmp, 0)
 IMPL (strncasecmp, 1)
 
+/* Naive implementation to verify results.  */
 static int
 simple_strncasecmp (const char *s1, const char *s2, size_t n)
 {
@@ -55,27 +53,6 @@ simple_strncasecmp (const char *s1, const char *s2, size_t n)
 }
 
 static int
-stupid_strncasecmp (const char *s1, const char *s2, size_t max)
-{
-  size_t ns1 = strlen (s1) + 1;
-  size_t ns2 = strlen (s2) + 1;
-  size_t n = ns1 < ns2 ? ns1 : ns2;
-  if (n > max)
-    n = max;
-  int ret = 0;
-
-  while (n--)
-    {
-      if ((ret = ((unsigned char) tolower (*s1)
-		  - (unsigned char) tolower (*s2))) != 0)
-	break;
-      ++s1;
-      ++s2;
-    }
-  return ret;
-}
-
-static int
 check_result (impl_t *impl, const char *s1, const char *s2, size_t n,
 	      int exp_result)
 {
diff --git a/string/test-strncat.c b/string/test-strncat.c
index 86ec101..5fcaa86 100644
--- a/string/test-strncat.c
+++ b/string/test-strncat.c
@@ -28,7 +28,6 @@
 # define CHAR char
 # define UCHAR unsigned char
 # define SIMPLE_STRNCAT simple_strncat
-# define STUPID_STRNCAT stupid_strncat
 # define STRLEN strlen
 # define MEMSET memset
 # define MEMCPY memcpy
@@ -41,7 +40,6 @@
 # define CHAR wchar_t
 # define UCHAR wchar_t
 # define SIMPLE_STRNCAT simple_wcsncat
-# define STUPID_STRNCAT stupid_wcsncat
 # define STRLEN wcslen
 # define MEMSET wmemset
 # define MEMCPY wmemcpy
@@ -51,14 +49,12 @@
 #endif /* WIDE */
 
 typedef CHAR *(*proto_t) (CHAR *, const CHAR *, size_t);
-CHAR *STUPID_STRNCAT (CHAR *, const CHAR *, size_t);
-CHAR *SIMPLE_STRNCAT (CHAR *, const CHAR *, size_t);
 
-IMPL (STUPID_STRNCAT, 0)
 IMPL (STRNCAT, 2)
 
+/* Naive implementation to verify results.  */
 CHAR *
-STUPID_STRNCAT (CHAR *dst, const CHAR *src, size_t n)
+SIMPLE_STRNCAT (CHAR *dst, const CHAR *src, size_t n)
 {
   CHAR *ret = dst;
   while (*dst++ != '\0');
diff --git a/string/test-strncmp.c b/string/test-strncmp.c
index 3e35142..693ab4d 100644
--- a/string/test-strncmp.c
+++ b/string/test-strncmp.c
@@ -88,7 +88,6 @@ simple_strncmp (const char *s1, const char *s2, size_t n)
 
 typedef int (*proto_t) (const CHAR *, const CHAR *, size_t);
 
-IMPL (SIMPLE_STRNCMP, 0)
 IMPL (STRNCMP, 1)
 
 
diff --git a/string/test-strncpy.c b/string/test-strncpy.c
index 4ae08ab..f1f627a 100644
--- a/string/test-strncpy.c
+++ b/string/test-strncpy.c
@@ -47,21 +47,16 @@
 # include "test-string.h"
 # ifndef WIDE
 #  define SIMPLE_STRNCPY simple_strncpy
-#  define STUPID_STRNCPY stupid_strncpy
 #  define STRNCPY strncpy
 # else
 #  define SIMPLE_STRNCPY simple_wcsncpy
-#  define STUPID_STRNCPY stupid_wcsncpy
 #  define STRNCPY wcsncpy
 # endif /* WIDE */
 
-CHAR *SIMPLE_STRNCPY (CHAR *, const CHAR *, size_t);
-CHAR *STUPID_STRNCPY (CHAR *, const CHAR *, size_t);
 
-IMPL (STUPID_STRNCPY, 0)
-IMPL (SIMPLE_STRNCPY, 0)
 IMPL (STRNCPY, 1)
 
+/* Naive implementation to verify results.  */
 CHAR *
 SIMPLE_STRNCPY (CHAR *dst, const CHAR *src, size_t n)
 {
@@ -76,18 +71,6 @@ SIMPLE_STRNCPY (CHAR *dst, const CHAR *src, size_t n)
   return ret;
 }
 
-CHAR *
-STUPID_STRNCPY (CHAR *dst, const CHAR *src, size_t n)
-{
-  size_t nc = STRNLEN (src, n);
-  size_t i;
-
-  for (i = 0; i < nc; ++i)
-    dst[i] = src[i];
-  for (; i < n; ++i)
-    dst[i] = '\0';
-  return dst;
-}
 #endif /* !STRNCPY_RESULT */
 
 typedef CHAR *(*proto_t) (CHAR *, const CHAR *, size_t);
diff --git a/string/test-strnlen.c b/string/test-strnlen.c
index 726c630..83c4502 100644
--- a/string/test-strnlen.c
+++ b/string/test-strnlen.c
@@ -42,11 +42,10 @@
 #endif /* !WIDE */
 
 typedef size_t (*proto_t) (const CHAR *, size_t);
-size_t SIMPLE_STRNLEN (const CHAR *, size_t);
 
-IMPL (SIMPLE_STRNLEN, 0)
 IMPL (STRNLEN, 1)
 
+/* Naive implementation to verify results.  */
 size_t
 SIMPLE_STRNLEN (const CHAR *s, size_t maxlen)
 {
diff --git a/string/test-strpbrk.c b/string/test-strpbrk.c
index 05fd81e..de8dc0a 100644
--- a/string/test-strpbrk.c
+++ b/string/test-strpbrk.c
@@ -47,22 +47,17 @@
 # ifndef WIDE
 #  define STRPBRK strpbrk
 #  define SIMPLE_STRPBRK simple_strpbrk
-#  define STUPID_STRPBRK stupid_strpbrk
 # else
 #  include <wchar.h>
 #  define STRPBRK wcspbrk
 #  define SIMPLE_STRPBRK simple_wcspbrk
-#  define STUPID_STRPBRK stupid_wcspbrk
 # endif /* WIDE */
 
 typedef CHAR *(*proto_t) (const CHAR *, const CHAR *);
-CHAR *SIMPLE_STRPBRK (const CHAR *, const CHAR *);
-CHAR *STUPID_STRPBRK (const CHAR *, const CHAR *);
 
-IMPL (STUPID_STRPBRK, 0)
-IMPL (SIMPLE_STRPBRK, 0)
 IMPL (STRPBRK, 1)
 
+/* Naive implementation to verify results.  */
 CHAR *
 SIMPLE_STRPBRK (const CHAR *s, const CHAR *rej)
 {
@@ -72,22 +67,10 @@ SIMPLE_STRPBRK (const CHAR *s, const CHAR *rej)
   while ((c = *s++) != '\0')
     for (r = rej; *r != '\0'; ++r)
       if (*r == c)
-	return (CHAR *) s - 1;
+       return (CHAR *) s - 1;
   return NULL;
 }
 
-CHAR *
-STUPID_STRPBRK (const CHAR *s, const CHAR *rej)
-{
-  size_t ns = STRLEN (s), nrej = STRLEN (rej);
-  size_t i, j;
-
-  for (i = 0; i < ns; ++i)
-    for (j = 0; j < nrej; ++j)
-      if (s[i] == rej[j])
-	return (CHAR *) s + i;
-  return NULL;
-}
 #endif /* !STRPBRK_RESULT */
 
 static void
diff --git a/string/test-strrchr.c b/string/test-strrchr.c
index a610200..bf4decb 100644
--- a/string/test-strrchr.c
+++ b/string/test-strrchr.c
@@ -42,11 +42,10 @@
 #endif
 
 typedef CHAR *(*proto_t) (const CHAR *, int);
-CHAR *SIMPLE_STRRCHR (const CHAR *, int);
 
-IMPL (SIMPLE_STRRCHR, 0)
 IMPL (STRRCHR, 1)
 
+/* Naive implementation to verify results.  */
 CHAR *
 SIMPLE_STRRCHR (const CHAR *s, int c)
 {
diff --git a/string/test-strspn.c b/string/test-strspn.c
index 1680cb7..a9c4245 100644
--- a/string/test-strspn.c
+++ b/string/test-strspn.c
@@ -29,7 +29,6 @@
 # define CHAR char
 # define UCHAR unsigned char
 # define SIMPLE_STRSPN simple_strspn
-# define STUPID_STRSPN stupid_strspn
 # define STRLEN strlen
 # define STRCHR strchr
 # define BIG_CHAR CHAR_MAX
@@ -40,7 +39,6 @@
 # define CHAR wchar_t
 # define UCHAR wchar_t
 # define SIMPLE_STRSPN simple_wcsspn
-# define STUPID_STRSPN stupid_wcsspn
 # define STRLEN wcslen
 # define STRCHR wcschr
 # define BIG_CHAR WCHAR_MAX
@@ -48,13 +46,10 @@
 #endif /* WIDE */
 
 typedef size_t (*proto_t) (const CHAR *, const CHAR *);
-size_t SIMPLE_STRSPN (const CHAR *, const CHAR *);
-size_t STUPID_STRSPN (const CHAR *, const CHAR *);
 
-IMPL (STUPID_STRSPN, 0)
-IMPL (SIMPLE_STRSPN, 0)
 IMPL (STRSPN, 1)
 
+/* Naive implementation to verify results.  */
 size_t
 SIMPLE_STRSPN (const CHAR *s, const CHAR *acc)
 {
@@ -72,23 +67,6 @@ SIMPLE_STRSPN (const CHAR *s, const CHAR *acc)
   return s - str - 1;
 }
 
-size_t
-STUPID_STRSPN (const CHAR *s, const CHAR *acc)
-{
-  size_t ns = STRLEN (s), nacc = STRLEN (acc);
-  size_t i, j;
-
-  for (i = 0; i < ns; ++i)
-    {
-      for (j = 0; j < nacc; ++j)
-	if (s[i] == acc[j])
-	  break;
-      if (j == nacc)
-	return i;
-    }
-  return i;
-}
-
 static void
 do_one_test (impl_t *impl, const CHAR *s, const CHAR *acc, size_t exp_res)
 {
diff --git a/string/test-strstr.c b/string/test-strstr.c
index 7f610f4..b1f2134 100644
--- a/string/test-strstr.c
+++ b/string/test-strstr.c
@@ -21,14 +21,14 @@
 #include "test-string.h"
 
 
-#define STRSTR simple_strstr
+#define STRSTR c_strstr
 #define libc_hidden_builtin_def(arg) /* nothing */
 #define __strnlen strnlen
 #include "strstr.c"
 
-
+/* Naive implementation to verify results.  */
 static char *
-stupid_strstr (const char *s1, const char *s2)
+simple_strstr (const char *s1, const char *s2)
 {
   ssize_t s1len = strlen (s1);
   ssize_t s2len = strlen (s2);
@@ -52,8 +52,7 @@ stupid_strstr (const char *s1, const char *s2)
 
 typedef char *(*proto_t) (const char *, const char *);
 
-IMPL (stupid_strstr, 0)
-IMPL (simple_strstr, 0)
+IMPL (c_strstr, 0)
 IMPL (strstr, 1)
 
 
@@ -130,7 +129,7 @@ check1 (void)
   const char s2[] = "_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD_EF_BF_BD";
   char *exp_result;
 
-  exp_result = stupid_strstr (s1, s2);
+  exp_result = simple_strstr (s1, s2);
   FOR_EACH_IMPL (impl, 0)
     check_result (impl, s1, s2, exp_result);
 }
@@ -163,7 +162,7 @@ check2 (void)
   char *s2_page_cross = (void *) buf2 + page_size_real - 8;
   strcpy (s2_page_cross, s2_stack);
 
-  exp_result = stupid_strstr (s1_stack, s2_stack);
+  exp_result = simple_strstr (s1_stack, s2_stack);
   FOR_EACH_IMPL (impl, 0)
     {
       check_result (impl, s1_stack, s2_stack, exp_result);
@@ -201,7 +200,7 @@ pr23637 (void)
   /* Ensure we don't match at the first 'x'.  */
   h[0] = 'x';
 
-  char *exp_result = stupid_strstr (h, n);
+  char *exp_result = simple_strstr (h, n);
   FOR_EACH_IMPL (impl, 0)
     check_result (impl, h, n, exp_result);
 }