summaryrefslogtreecommitdiffstats
path: root/lib/kasprintf.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2007-10-12 21:27:47 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2007-10-12 21:27:47 -0400
commitb981d8b3f5e008ff10d993be633ad00564fc22cd (patch)
treee292dc07b22308912cf6a58354a608b9e5e8e1fd /lib/kasprintf.c
parentb11d2127c4893a7315d1e16273bc8560049fa3ca (diff)
parent2b9e0aae1d50e880c58d46788e5e3ebd89d75d62 (diff)
downloadkernel-crypto-b981d8b3f5e008ff10d993be633ad00564fc22cd.tar.gz
kernel-crypto-b981d8b3f5e008ff10d993be633ad00564fc22cd.tar.xz
kernel-crypto-b981d8b3f5e008ff10d993be633ad00564fc22cd.zip
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/macintosh/adbhid.c
Diffstat (limited to 'lib/kasprintf.c')
-rw-r--r--lib/kasprintf.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/kasprintf.c b/lib/kasprintf.c
new file mode 100644
index 00000000000..c5ff1fd1003
--- /dev/null
+++ b/lib/kasprintf.c
@@ -0,0 +1,44 @@
+/*
+ * linux/lib/kasprintf.c
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ */
+
+#include <stdarg.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+
+/* Simplified asprintf. */
+char *kvasprintf(gfp_t gfp, const char *fmt, va_list ap)
+{
+ unsigned int len;
+ char *p;
+ va_list aq;
+
+ va_copy(aq, ap);
+ len = vsnprintf(NULL, 0, fmt, aq);
+ va_end(aq);
+
+ p = kmalloc(len+1, gfp);
+ if (!p)
+ return NULL;
+
+ vsnprintf(p, len+1, fmt, ap);
+
+ return p;
+}
+EXPORT_SYMBOL(kvasprintf);
+
+char *kasprintf(gfp_t gfp, const char *fmt, ...)
+{
+ va_list ap;
+ char *p;
+
+ va_start(ap, fmt);
+ p = kvasprintf(gfp, fmt, ap);
+ va_end(ap);
+
+ return p;
+}
+EXPORT_SYMBOL(kasprintf);