remove HAVE_STRPBRK

strpbrk is a C99 standard function.

config/config.h.in

@@ -65,7 +65,6 @@
 #define HAVE_STRNCASECMP 1
 // TODO: add proper cmake check
 // #define HAVE_STROPTS_H 1
-#define HAVE_STRPBRK 1
 #define HAVE_STRTOL 1
 #define HAVE_SVR4_PTYS 1
 // TODO: add proper cmake check

src/misc2.c

@@ -1410,25 +1410,6 @@ char_u *vim_strrchr(char_u *string, int c)
   return retval;
 }
 
-/*
- * Vim's version of strpbrk(), in case it's missing.
- * Don't generate a prototype for this, causes problems when it's not used.
- */
-# ifndef HAVE_STRPBRK
-#  ifdef vim_strpbrk
-#   undef vim_strpbrk
-#  endif
-char_u *vim_strpbrk(char_u *s, char_u *charset)
-{
-  while (*s) {
-    if (vim_strchr(charset, *s) != NULL)
-      return s;
-    mb_ptr_adv(s);
-  }
-  return NULL;
-}
-# endif
-
 /*
  * Vim has its own isspace() function, because on some machines isspace()
  * can't handle characters above 128.

src/proto.h

@@ -42,10 +42,6 @@ vim_snprintf(char *, size_t, char *, ...);
 
 int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs);
 
-#ifndef HAVE_STRPBRK        /* not generated automatically from misc2.c */
-char_u *vim_strpbrk(char_u *s, char_u *charset);
-#endif
-
 /* Ugly solution for "BalloonEval" not being defined while it's used in some
  * .pro files. */
 #  define BalloonEval int

src/vim.h

@@ -1071,9 +1071,7 @@ typedef enum {
 #define STRCAT(d, s)        strcat((char *)(d), (char *)(s))
 #define STRNCAT(d, s, n)    strncat((char *)(d), (char *)(s), (size_t)(n))
 
-#ifdef HAVE_STRPBRK
 # define vim_strpbrk(s, cs) (char_u *)strpbrk((char *)(s), (char *)(cs))
-#endif
 
 #define MSG(s)                      msg((char_u *)(s))
 #define MSG_ATTR(s, attr)           msg_attr((char_u *)(s), (attr))