Removed pointless memory allocation checks.

ext/standard/exec.c

@@ -67,10 +67,6 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value TSRMLS_DC)
 #endif
 
 	buf = (char *) emalloc(EXEC_INPUT_BUF);
-	if (!buf) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to emalloc %d bytes for exec buffer", EXEC_INPUT_BUF);
-		return -1;
-	}
 	buflen = EXEC_INPUT_BUF;
 
 	if (PG(safe_mode)) {
@@ -162,14 +158,6 @@ int php_Exec(int type, char *cmd, pval *array, pval *return_value TSRMLS_DC)
 			do {
 				if ( buflen <= (l+1) ) {
 					buf = erealloc(buf, buflen + EXEC_INPUT_BUF);
-					if ( buf == NULL ) {
-						php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to erealloc %d bytes for exec buffer", 
-								buflen + EXEC_INPUT_BUF);
-#if PHP_SIGCHILD
-						signal (SIGCHLD, sig_handler);
-#endif
-						return -1;
-					}
 					buflen += EXEC_INPUT_BUF;
 				}
 

ext/standard/file.c

@@ -1495,7 +1495,7 @@ PHP_FUNCTION(fscanf)
 		WRONG_PARAM_COUNT;
 	}
 	args = (zval ***)emalloc(argCount * sizeof(zval **));
-	if (!args || (zend_get_parameters_array_ex(argCount, args) == FAILURE)) {
+	if (zend_get_parameters_array_ex(argCount, args) == FAILURE) {
 		efree( args );
 		WRONG_PARAM_COUNT;
 	}

ext/standard/image.c

@@ -215,10 +215,6 @@ static struct gfxinfo *php_handle_swc(php_stream * stream TSRMLS_DC)
 		do {
 			szlength=slength*(1<<factor++);
 			buf = (char *) erealloc(buf,szlength);
-			if (!buf) {
-				status = 1;
-				break;
-			} 
 			status = uncompress(buf, &szlength, bufz, slength);
 		} while ((status==Z_BUF_ERROR)&&(factor<maxfactor));
 		
@@ -439,7 +435,6 @@ static void php_read_APP(php_stream * stream, unsigned int marker, zval *info TS
 	length -= 2;				/* length includes itself */
 
 	buffer = emalloc(length);
-	if ( !buffer) return;
 
 	if (php_stream_read(stream, buffer, (long) length) <= 0) {
 		efree(buffer);
@@ -485,8 +480,6 @@ static struct gfxinfo *php_handle_jpeg (php_stream * stream, pval *info TSRMLS_D
 				if (result == NULL) {
 					/* handle SOFn block */
 					result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo));
-					if ( !result)
-						return NULL;
 					length = php_read2(stream TSRMLS_CC);
 					result->bits     = php_stream_getc(stream);
 					result->height   = php_read2(stream TSRMLS_CC);
@@ -605,9 +598,6 @@ static struct gfxinfo *php_handle_jpc(php_stream * stream TSRMLS_DC)
 	}
 
 	result = (struct gfxinfo *)ecalloc(1, sizeof(struct gfxinfo));
-	if (!result) {
-		return NULL;
-	}
 
 	dummy_short = php_read2(stream TSRMLS_CC); /* Lsiz */
 	dummy_short = php_read2(stream TSRMLS_CC); /* Rsiz */

ext/standard/info.c

@@ -439,10 +439,7 @@ PHPAPI void php_print_info(int flag TSRMLS_DC)
 				for (zend_hash_internal_pointer_reset(url_stream_wrappers_hash);
 						zend_hash_get_current_key_ex(url_stream_wrappers_hash, &stream_protocol, &stream_protocol_len, NULL, 0, NULL) == HASH_KEY_IS_STRING;
 						zend_hash_move_forward(url_stream_wrappers_hash)) {
-					if (NULL == (stream_protocols_buf = erealloc(stream_protocols_buf,
-									stream_protocols_buf_len + stream_protocol_len + 2 /* ", " */ + 1 /* 0 byte at end */))) {
-						break;
-					}
+					stream_protocols_buf = erealloc(stream_protocols_buf, stream_protocols_buf_len + stream_protocol_len + 2 + 1);
 					memcpy(stream_protocols_buf + stream_protocols_buf_len, stream_protocol, stream_protocol_len);
 					stream_protocols_buf[stream_protocols_buf_len + stream_protocol_len] = ',';
 					stream_protocols_buf[stream_protocols_buf_len + stream_protocol_len + 1] = ' ';

ext/standard/metaphone.c

@@ -145,9 +145,7 @@ static char Lookahead(char *word, int how_far)
  * could be one though; or more too). */
 #define Phonize(c)	{ \
 						if (p_idx >= max_buffer_len) { \
-							if (NULL == (*phoned_word = erealloc(*phoned_word, max_buffer_len + 2))) { \
-								return -1; \
-							} \
+							*phoned_word = erealloc(*phoned_word, max_buffer_len + 2); \
 							max_buffer_len += 2; \
 						} \
 						(*phoned_word)[p_idx++] = c; \
@@ -185,13 +183,9 @@ static int metaphone(char *word, int word_len, int max_phonemes, char **phoned_w
 	if (max_phonemes == 0) {	/* Assume largest possible */
 		max_buffer_len = word_len;
 		*phoned_word = emalloc(sizeof(char) * word_len + 1);
-		if (!*phoned_word)
-			return -1;
 	} else {
 		max_buffer_len = max_phonemes;
 		*phoned_word = emalloc(sizeof(char) * max_phonemes + 1);
-		if (!*phoned_word)
-			return -1;
 	}
 
 

ext/standard/string.c

@@ -113,9 +113,6 @@ static char *php_bin2hex(const unsigned char *old, const size_t oldlen, size_t *
 	size_t i, j;
 
 	result = (char *) emalloc(oldlen * 2 * sizeof(char) + 1);
-	if (!result) {
-		return result;
-	}
 	
 	for (i = j = 0; i < oldlen; i++) {
 		result[j++] = hexconvtab[old[i] >> 4];