From: Sascha Schumann <sas@php.net>
Date: Wed, 14 May 2003 01:08:47 +0000 (+0000)
Subject: Fix file_get_contents segfault on empty file
X-Git-Tag: php-4.3.2RC3~23
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=862edc6aaefafd58394804771a0fabc4230bd7d1;p=php

Fix file_get_contents segfault on empty file
---

diff --git a/ext/standard/file.c b/ext/standard/file.c
index 35691a34e9..66bc863005 100644
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -434,14 +434,15 @@ PHP_FUNCTION(file_get_contents)
 	}
 
 	/* uses mmap if possible */
-	if ((len = php_stream_copy_to_mem(stream, &contents, PHP_STREAM_COPY_ALL, 0)) >= 0) {
-		
+	if ((len = php_stream_copy_to_mem(stream, &contents, PHP_STREAM_COPY_ALL, 0)) > 0) {
 		if (PG(magic_quotes_runtime)) {
 			contents = php_addslashes(contents, len, &newlen, 1 TSRMLS_CC); /* 1 = free source string */
 			len = newlen;
 		}
 
 		RETVAL_STRINGL(contents, len, 0);
+	} else if (len == 0) {
+		RETVAL_EMPTY_STRING();
 	} else {
 		RETVAL_FALSE;
 	}