Remove obsolete HAVE_BUGGY_SOLARIS_STRTOD

Fixed more than 10 years ago.

Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://www.postgresql.org/message-id/flat/aa266ede-baaa-f4e6-06cf-5b1737610e9a%402ndquadrant.com

Author: petere

src/backend/utils/adt/float.c

@@ -271,18 +271,6 @@ float4in(PG_FUNCTION_ARGS)
 					 errmsg("invalid input syntax for type %s: \"%s\"",
 							"real", orig_num)));
 	}
-#ifdef HAVE_BUGGY_SOLARIS_STRTOD
-	else
-	{
-		/*
-		 * Many versions of Solaris have a bug wherein strtod sets endptr to
-		 * point one byte beyond the end of the string when given "inf" or
-		 * "infinity".
-		 */
-		if (endptr != num && endptr[-1] == '\0')
-			endptr--;
-	}
-#endif							/* HAVE_BUGGY_SOLARIS_STRTOD */
 
 	/* skip trailing whitespace */
 	while (*endptr != '\0' && isspace((unsigned char) *endptr))
@@ -499,18 +487,6 @@ float8in_internal_opt_error(char *num, char **endptr_p,
 										 type_name, orig_string))),
 						 have_error);
 	}
-#ifdef HAVE_BUGGY_SOLARIS_STRTOD
-	else
-	{
-		/*
-		 * Many versions of Solaris have a bug wherein strtod sets endptr to
-		 * point one byte beyond the end of the string when given "inf" or
-		 * "infinity".
-		 */
-		if (endptr != num && endptr[-1] == '\0')
-			endptr--;
-	}
-#endif							/* HAVE_BUGGY_SOLARIS_STRTOD */
 
 	/* skip trailing whitespace */
 	while (*endptr != '\0' && isspace((unsigned char) *endptr))

src/include/port/solaris.h

@@ -24,15 +24,3 @@
 #if defined(__i386__)
 #include <sys/isa_defs.h>
 #endif
-
-/*
- * Many versions of Solaris have broken strtod() --- see bug #4751182.
- * This has been fixed in current versions of Solaris:
- *
- * http://sunsolve.sun.com/search/document.do?assetkey=1-21-108993-62-1&searchclause=108993-62
- * http://sunsolve.sun.com/search/document.do?assetkey=1-21-112874-34-1&searchclause=112874-34
- *
- * However, many people might not have patched versions, so
- * still use our own fix for the buggy version.
- */
-#define HAVE_BUGGY_SOLARIS_STRTOD