Signed-off-by: Michael Olbrich <m.olbrich@xxxxxxxxxxxxxx>
---
include/xfuncs.h | 3 +++
lib/xfuncs.c | 24 ++++++++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/include/xfuncs.h b/include/xfuncs.h
index 8efc99dbc455..c7c0203f375b 100644
--- a/include/xfuncs.h
+++ b/include/xfuncs.h
@@ -2,6 +2,7 @@
#define __XFUNCS_H
#include <linux/types.h>
+#include <stdarg.h>
void *xmalloc(size_t size);
void *xrealloc(void *ptr, size_t size);
@@ -9,5 +10,7 @@ void *xzalloc(size_t size);
char *xstrdup(const char *s);
void* xmemalign(size_t alignment, size_t bytes);
void* xmemdup(const void *orig, size_t size);
+char *xasprintf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
+char *xvasprintf(const char *fmt, va_list ap);
#endif /* __XFUNCS_H */
diff --git a/lib/xfuncs.c b/lib/xfuncs.c
index 0e78b670a5d4..ce89169547a4 100644
--- a/lib/xfuncs.c
+++ b/lib/xfuncs.c
@@ -81,3 +81,27 @@ void *xmemdup(const void *orig, size_t size)
return buf;
}
EXPORT_SYMBOL(xmemdup);
+
+char *xvasprintf(const char *fmt, va_list ap)
+{
+ char *p;
+
+ p = vasprintf(fmt, ap);
+ if (!p)
+ panic("ERROR: out of memory\n");
+ return p;
+}
+EXPORT_SYMBOL(xvasprintf)
+
+char *xasprintf(const char *fmt, ...)
+{
+ va_list ap;
+ char *p;
+
+ va_start(ap, fmt);
+ p = xvasprintf(fmt, ap);
+ va_end(ap);
+
+ return p;
+}
+EXPORT_SYMBOL(xasprintf);
--
2.1.4
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