[PATCH 2/3] util: add xtalloc.[ch]
david at tethera.net
david at tethera.net
Sun Dec 16 19:24:06 PST 2012
From: David Bremner <bremner at debian.org>
These are intended to be simple wrappers to provide slightly better
debugging information than what talloc currently provides natively.
---
notmuch-client.h | 2 +-
util/Makefile.local | 2 +-
util/xtalloc.c | 15 +++++++++++++++
util/xtalloc.h | 18 ++++++++++++++++++
4 files changed, 35 insertions(+), 2 deletions(-)
create mode 100644 util/xtalloc.c
create mode 100644 util/xtalloc.h
diff --git a/notmuch-client.h b/notmuch-client.h
index d7b352e..60be030 100644
--- a/notmuch-client.h
+++ b/notmuch-client.h
@@ -58,7 +58,7 @@ typedef GMimeCipherContext notmuch_crypto_context_t;
#include <errno.h>
#include <signal.h>
-#include <talloc.h>
+#include "xtalloc.h"
#define unused(x) x __attribute__ ((unused))
diff --git a/util/Makefile.local b/util/Makefile.local
index a11e35b..8a62c00 100644
--- a/util/Makefile.local
+++ b/util/Makefile.local
@@ -4,7 +4,7 @@ dir := util
extra_cflags += -I$(srcdir)/$(dir)
libutil_c_srcs := $(dir)/xutil.c $(dir)/error_util.c $(dir)/hex-escape.c \
- $(dir)/string-util.c
+ $(dir)/string-util.c $(dir)/xtalloc.c
libutil_modules := $(libutil_c_srcs:.c=.o)
diff --git a/util/xtalloc.c b/util/xtalloc.c
new file mode 100644
index 0000000..22834bd
--- /dev/null
+++ b/util/xtalloc.c
@@ -0,0 +1,15 @@
+#include <string.h>
+#include "xtalloc.h"
+
+char *
+xtalloc_strndup_named_const (void *ctx, const char *str,
+ size_t len, const char *name)
+{
+ char *ptr = talloc_named_const (ctx, len + 1, name);
+
+ if (ptr) {
+ memcpy (ptr, str, len);
+ *(ptr + len) = '\0';
+ }
+ return ptr;
+}
diff --git a/util/xtalloc.h b/util/xtalloc.h
new file mode 100644
index 0000000..3cc1179
--- /dev/null
+++ b/util/xtalloc.h
@@ -0,0 +1,18 @@
+#ifndef _XTALLOC_H
+#define _XTALLOC_H
+
+#include <talloc.h>
+
+/* Like talloc_strndup, but take an extra parameter for the internal talloc
+ * name (for debugging) */
+
+char *
+xtalloc_strndup_named_const (void *ctx, const char *str,
+ size_t len, const char *name);
+
+/* use the __location__ macro from talloc.h to name a string according to its
+ * source location */
+
+#define xtalloc_strndup(ctx, str, len) xtalloc_strndup_named_const (ctx, str, len, __location__)
+
+#endif
--
1.7.10.4
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