Module Name: src
Committed By: riastradh
Date: Mon Aug 27 06:46:56 UTC 2018
Modified Files:
src/sys/external/bsd/common/include/linux: kernel.h
Log Message:
Implement Linux kasprintf.
To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.14 src/sys/external/bsd/common/include/linux/kernel.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/common/include/linux/kernel.h
diff -u src/sys/external/bsd/common/include/linux/kernel.h:1.13 src/sys/external/bsd/common/include/linux/kernel.h:1.14
--- src/sys/external/bsd/common/include/linux/kernel.h:1.13 Mon Aug 27 06:15:32 2018
+++ src/sys/external/bsd/common/include/linux/kernel.h Mon Aug 27 06:46:55 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: kernel.h,v 1.13 2018/08/27 06:15:32 riastradh Exp $ */
+/* $NetBSD: kernel.h,v 1.14 2018/08/27 06:46:55 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -40,6 +40,7 @@
#include <lib/libkern/libkern.h>
#include <linux/bitops.h>
#include <linux/printk.h>
+#include <linux/slab.h>
#define U16_MAX UINT16_MAX
#define U32_MAX UINT32_MAX
@@ -179,4 +180,28 @@ kstrtol(const char *s, unsigned base, lo
return 0;
}
+static inline char * __printflike(2,3)
+kasprintf(gfp_t gfp, const char *fmt, ...)
+{
+ va_list va;
+ char *str;
+ int len, len1 __diagused;
+
+ va_start(va, fmt);
+ len = vsnprintf(NULL, 0, fmt, va);
+ va_end(va);
+
+ str = kmalloc(len + 1, gfp);
+ if (str == NULL)
+ return NULL;
+
+ va_start(va, fmt);
+ len1 = vsnprintf(str, len + 1, fmt, va);
+ va_end(va);
+
+ KASSERT(len1 == len);
+
+ return str;
+}
+
#endif /* _LINUX_KERNEL_H_ */
