From 8a5ba51ac8b6dfc26d1efa8fcad4aad2c709ff7c Mon Sep 17 00:00:00 2001
From: Marcus Boerger <helly@php.net>
Date: Thu, 24 Apr 2003 20:54:43 +0000
Subject: [PATCH] MFB: safe_emalloc()

---
 ext/dba/dba.c                  | 5 +++--
 ext/dba/dba_cdb.c              | 6 +++---
 ext/dba/libcdb/cdb_make.c      | 6 ++----
 ext/dba/libflatfile/flatfile.c | 2 +-
 4 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/ext/dba/dba.c b/ext/dba/dba.c
index cacb2086be1..f83ec079a8a 100644
--- a/ext/dba/dba.c
+++ b/ext/dba/dba.c
@@ -525,7 +525,7 @@ static void php_dba_open(INTERNAL_FUNCTION_PARAMETERS, int persistent)
 	}
 	
 	/* we pass additional args to the respective handler */
-	args = emalloc(ac * sizeof(zval *));
+	args = safe_emalloc(ac, sizeof(zval *), 0);
 	if (zend_get_parameters_array_ex(ac, args) != SUCCESS) {
 		FREENOW;
 		WRONG_PARAM_COUNT;
@@ -541,7 +541,8 @@ static void php_dba_open(INTERNAL_FUNCTION_PARAMETERS, int persistent)
 		list_entry *le;
 		
 		/* calculate hash */
-		key = emalloc(keylen);
+		key = safe_emalloc(keylen, 1, 1);
+		key[keylen] = '\0';
 		keylen = 0;
 		
 		for(i = 0; i < ac; i++) {
diff --git a/ext/dba/dba_cdb.c b/ext/dba/dba_cdb.c
index 654f07f684a..b6f1c5e8dcf 100644
--- a/ext/dba/dba_cdb.c
+++ b/ext/dba/dba_cdb.c
@@ -163,7 +163,7 @@ DBA_FETCH_FUNC(cdb)
 			}
 		}
 		len = cdb_datalen(&cdb->c);
-		new_entry = emalloc(len+1);
+		new_entry = safe_emalloc(len, 1, 1);
 		
 		if (php_cdb_read(&cdb->c, new_entry, len, cdb_datapos(&cdb->c)) == -1) {
 			efree(new_entry);
@@ -268,7 +268,7 @@ DBA_FIRSTKEY_FUNC(cdb)
 	uint32_unpack(buf, &klen);
 	uint32_unpack(buf + 4, &dlen);
 
-	key = emalloc(klen + 1);
+	key = safe_emalloc(klen, 1, 1);
 	if (cdb_file_read(cdb->file, key, klen) < klen) {
 		efree(key);
 		key = NULL;
@@ -300,7 +300,7 @@ DBA_NEXTKEY_FUNC(cdb)
 	uint32_unpack(buf, &klen);
 	uint32_unpack(buf + 4, &dlen);
 	
-	key = emalloc(klen + 1);
+	key = safe_emalloc(klen, 1, 1);
 	if (cdb_file_read(cdb->file, key, klen) < klen) {
 		efree(key);
 		key = NULL;
diff --git a/ext/dba/libcdb/cdb_make.c b/ext/dba/libcdb/cdb_make.c
index 1c3402e9081..64525a17a23 100644
--- a/ext/dba/libcdb/cdb_make.c
+++ b/ext/dba/libcdb/cdb_make.c
@@ -79,8 +79,7 @@ int cdb_make_addend(struct cdb_make *c, unsigned int keylen, unsigned int datale
 
 	head = c->head;
 	if (!head || (head->num >= CDB_HPLIST)) {
-		head = (struct cdb_hplist *)
-			emalloc(sizeof(struct cdb_hplist));
+		head = (struct cdb_hplist *) emalloc(sizeof(struct cdb_hplist));
 		if (!head)
 			return -1;
 		head->num = 0;
@@ -172,8 +171,7 @@ int cdb_make_finish(struct cdb_make *c TSRMLS_DC)
 		return -1;
 	}
 
-	c->split = (struct cdb_hp *)
-		emalloc(memsize * sizeof(struct cdb_hp));
+	c->split = (struct cdb_hp *) safe_emalloc(memsize, sizeof(struct cdb_hp), 0);
 	if (!c->split)
 		return -1;
 
diff --git a/ext/dba/libflatfile/flatfile.c b/ext/dba/libflatfile/flatfile.c
index 44ef3d53a3e..5a9074da6e9 100644
--- a/ext/dba/libflatfile/flatfile.c
+++ b/ext/dba/libflatfile/flatfile.c
@@ -91,7 +91,7 @@ datum flatfile_fetch(flatfile *dba, datum key_datum TSRMLS_DC) {
 	if (flatfile_findkey(dba, key_datum TSRMLS_CC)) {
 		if (php_stream_gets(dba->fp, buf, sizeof(buf))) {
 			value_datum.dsize = atoi(buf);
-			value_datum.dptr = emalloc(value_datum.dsize+1);
+			value_datum.dptr = safe_emalloc(value_datum.dsize, 1, 1);
 			value_datum.dsize = php_stream_read(dba->fp, value_datum.dptr, value_datum.dsize);
 		} else {
 			value_datum.dptr = NULL;