[SeaBIOS] [PATCH v2 2/3] add format_uuid() utility function

[Laszlo Ersek]

Signed-off-by: Laszlo Ersek 
---
 src/util.h   |    1 +
 src/output.c |   16 ++++++++++++++++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/src/util.h b/src/util.h
index 7723bb1..aafa9b0 100644
--- a/src/util.h
+++ b/src/util.h
@@ -227,6 +227,7 @@ void __set_code_invalid(struct bregs *regs, u32 linecode, const char *fname);
 void __set_code_unimplemented(struct bregs *regs, u32 linecode
                               , const char *fname);
 void hexdump(const void *d, int len);
+void format_uuid(char buf[37], const u8 uuid[16]);

#define dprintf(lvl, fmt, args...) do {                         \
         if (CONFIG_DEBUG_LEVEL && (lvl) <= CONFIG_DEBUG_LEVEL)  \
diff --git a/src/output.c b/src/output.c
index 83de7f4..b6263b6 100644
--- a/src/output.c
+++ b/src/output.c
@@ -474,6 +474,22 @@ hexdump(const void *d, int len)
     debug_serial_flush();
 }

+void
+format_uuid(char buf[37], const u8 uuid[16])
+{
+    snprintf(buf, 37
+             , "%02x%02x%02x%02x"
+               "-%02x%02x"
+               "-%02x%02x"
+               "-%02x%02x"
+               "-%02x%02x%02x%02x%02x%02x"
+             , uuid[ 0], uuid[ 1], uuid[ 2], uuid[ 3]
+             , uuid[ 4], uuid[ 5]
+             , uuid[ 6], uuid[ 7]
+             , uuid[ 8], uuid[ 9]
+             , uuid[10], uuid[11], uuid[12], uuid[13], uuid[14], uuid[15]);
+}
+
 static void
 dump_regs(struct bregs *regs)
 {