zend_string_alloc() should already exit when OOM

Author: Girgias

ext/bcmath/config.m4

@@ -5,7 +5,7 @@ PHP_ARG_ENABLE([bcmath],
 
 if test "$PHP_BCMATH" != "no"; then
   PHP_NEW_EXTENSION(bcmath, bcmath.c \
-libbcmath/src/add.c libbcmath/src/div.c libbcmath/src/init.c libbcmath/src/neg.c libbcmath/src/outofmem.c libbcmath/src/raisemod.c libbcmath/src/sub.c \
+libbcmath/src/add.c libbcmath/src/div.c libbcmath/src/init.c libbcmath/src/neg.c libbcmath/src/raisemod.c libbcmath/src/sub.c \
 libbcmath/src/compare.c libbcmath/src/divmod.c libbcmath/src/int2num.c libbcmath/src/num2long.c libbcmath/src/output.c libbcmath/src/recmul.c \
 libbcmath/src/sqrt.c libbcmath/src/zero.c libbcmath/src/debug.c libbcmath/src/doaddsub.c libbcmath/src/nearzero.c libbcmath/src/num2str.c libbcmath/src/raise.c \
 libbcmath/src/rmzero.c libbcmath/src/str2num.c,

ext/bcmath/config.w32

@@ -5,7 +5,7 @@ ARG_ENABLE("bcmath", "bc style precision math functions", "yes");
 if (PHP_BCMATH == "yes") {
 	EXTENSION("bcmath", "bcmath.c",	null, "-Iext/bcmath/libbcmath/src /DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
 	ADD_SOURCES("ext/bcmath/libbcmath/src", "add.c div.c init.c neg.c \
-		outofmem.c raisemod.c sub.c compare.c divmod.c int2num.c \
+		raisemod.c sub.c compare.c divmod.c int2num.c \
 		num2long.c output.c recmul.c sqrt.c zero.c debug.c doaddsub.c \
 		nearzero.c num2str.c raise.c rmzero.c str2num.c", "bcmath");
 

ext/bcmath/libbcmath/src/bcmath.h

@@ -150,9 +150,6 @@ _PROTOTYPE(void bc_out_num, (bc_num num, int o_base, void (* out_char)(int),
 			     int leading_zero));
 
 /* Prototypes needed for external utility routines. */
-
-_PROTOTYPE(void bc_out_of_memory, (void));
-
 #define bc_new_num(length, scale)	_bc_new_num_ex((length), (scale), 0)
 #define bc_free_num(num)			_bc_free_num_ex((num), 0)
 #define bc_num2str(num)				bc_num2str_ex((num), (num->n_scale))

ext/bcmath/libbcmath/src/num2str.c

@@ -55,7 +55,6 @@ zend_string
 		str = zend_string_alloc(num->n_len + scale + signch + 1, 0);
 	else
 		str = zend_string_alloc(num->n_len + signch, 0);
-	if (str == NULL) bc_out_of_memory();
 
 	/* The negative sign if needed. */
 	sptr = ZSTR_VAL(str);