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-rw-r--r--libiberty/alloca.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/libiberty/alloca.c b/libiberty/alloca.c
index 866344429df..9b2e9cb12b6 100644
--- a/libiberty/alloca.c
+++ b/libiberty/alloca.c
@@ -57,9 +57,15 @@ the possibility of a GCC built-in function.
/* These variables are used by the ASTRDUP implementation that relies
on C_alloca. */
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
const char *libiberty_optr;
char *libiberty_nptr;
unsigned long libiberty_len;
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
/* If your stack is a linked list of frames, you have to
provide an "address metric" ADDRESS_FUNCTION macro. */
@@ -191,20 +197,20 @@ C_alloca (size_t size)
/* Allocate combined header + user data storage. */
{
- register PTR new = xmalloc (sizeof (header) + size);
+ register void *new_storage = XNEWVEC (char, sizeof (header) + size);
/* Address of header. */
- if (new == 0)
+ if (new_storage == 0)
abort();
- ((header *) new)->h.next = last_alloca_header;
- ((header *) new)->h.deep = depth;
+ ((header *) new_storage)->h.next = last_alloca_header;
+ ((header *) new_storage)->h.deep = depth;
- last_alloca_header = (header *) new;
+ last_alloca_header = (header *) new_storage;
/* User storage begins just after header. */
- return (PTR) ((char *) new + sizeof (header));
+ return (PTR) ((char *) new_storage + sizeof (header));
}
}