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authorKaveh R. Ghazi <ghazi@caip.rutgers.edu>1999-11-30 23:55:26 +0000
committerKaveh Ghazi <ghazi@gcc.gnu.org>1999-11-30 23:55:26 +0000
commit8251469698a59e0e3ea61ff9ced016544135048a (patch)
treed1a040179727551d90613c1bed15ecf5bba017b2 /gcc
parent48776cde064312d9fd9bac8c3d0fd73be6944255 (diff)
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calls.c (special_function_p): Remove `realloc' and add `strdup' to the list of functions which have attribute...
* calls.c (special_function_p): Remove `realloc' and add `strdup' to the list of functions which have attribute malloc by default. From-SVN: r30731
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/calls.c6
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e0a454b..598369f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+ * calls.c (special_function_p): Remove `realloc' and add `strdup'
+ to the list of functions which have attribute malloc by default.
+
+1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
* c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
integer constant does not match the traditional type, limit the
warnings to cases where the base of the type is ten.
diff --git a/gcc/calls.c b/gcc/calls.c
index d880595..361c8b7 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -607,10 +607,12 @@ special_function_p (name, fndecl, returns_twice, is_longjmp,
&& ! strcmp (tname, "longjmp"))
*is_longjmp = 1;
/* Do not add any more malloc-like functions to this list,
- instead mark as malloc functions using the malloc attribute. */
+ instead mark them as malloc functions using the malloc attribute.
+ Note, realloc is not suitable for attribute malloc since
+ it may return the same address across multiple calls. */
else if (! strcmp (tname, "malloc")
|| ! strcmp (tname, "calloc")
- || ! strcmp (tname, "realloc")
+ || ! strcmp (tname, "strdup")
/* Note use of NAME rather than TNAME here. These functions
are only reserved when preceded with __. */
|| ! strcmp (name, "__vn") /* mangled __builtin_vec_new */