From: Arran Cudbard-Bell <a.cudbardb@freeradius.org>
Date: Thu, 7 May 2020 19:04:19 +0000 (-0500)
Subject: Add talloc bstrdup
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f485cafc18da31aa894642e8157ae14ffd714fb;p=thirdparty%2Ffreeradius-server.git

Add talloc bstrdup
---

diff --git a/src/lib/util/talloc.c b/src/lib/util/talloc.c
index d72e7ed5639..b7b8c4bfc09 100644
--- a/src/lib/util/talloc.c
+++ b/src/lib/util/talloc.c
@@ -311,6 +311,30 @@ char *talloc_typed_vasprintf(TALLOC_CTX *ctx, char const *fmt, va_list ap)
 	return n;
 }
 
+/** Binary safe strdup function
+ *
+ * @param[in] ctx 	he talloc context to allocate new buffer in.
+ * @param[in] in	String to dup, may contain embedded '\0'.
+ * @return duped string.
+ */
+char *talloc_bstrdup(TALLOC_CTX *ctx, char const *in)
+{
+	char	*p;
+	size_t	len = talloc_array_length(in);
+
+	if (len == 0) len = 1;
+
+	p = talloc_array(ctx, char, len);
+	if (!p) return NULL;
+
+	/*
+	 * C99 (7.21.1/2) - Length zero results in noop
+	 */
+	memcpy(p, in, len - 1);
+	p[len] = '\0';
+
+	return p;
+}
 
 /** Binary safe strndup function
  *
diff --git a/src/lib/util/talloc.h b/src/lib/util/talloc.h
index 779f497b2e0..4946a4723bd 100644
--- a/src/lib/util/talloc.h
+++ b/src/lib/util/talloc.h
@@ -101,6 +101,8 @@ char		*talloc_typed_asprintf(TALLOC_CTX *ctx, char const *fmt, ...) CC_HINT(form
 
 char		*talloc_typed_vasprintf(TALLOC_CTX *ctx, char const *fmt, va_list ap) CC_HINT(format (printf, 2, 0)) CC_HINT(nonnull (2));
 
+char		*talloc_bstrdup(TALLOC_CTX *ctx, char const *in);
+
 char		*talloc_bstrndup(TALLOC_CTX *ctx, char const *in, size_t inlen);
 
 char		*talloc_bstr_append(TALLOC_CTX *ctx, char *to, char const *from, size_t from_len);