[PATCH v2 2/5] utilities: add a helper function for printing out architecture names

[Al Stone]

Add in a small helper function that converts the arch enum value to a
readable string; this helps with error output.

Signed-off-by: Al Stone <al.stone at linaro.org>
---
 src/lib/include/fwts_arch.h |  1 +
 src/lib/src/fwts_arch.c     | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/lib/include/fwts_arch.h b/src/lib/include/fwts_arch.h
index 082e5d3..4862da4 100644
--- a/src/lib/include/fwts_arch.h
+++ b/src/lib/include/fwts_arch.h
@@ -33,5 +33,6 @@ typedef enum {
 extern fwts_architecture fwts_arch_get_host(void);
 extern fwts_architecture fwts_arch_get_arch(const char *name);
 extern const char *fwts_arch_names(void);
+extern const char *fwts_arch_get_name(const fwts_architecture arch);
 
 #endif
diff --git a/src/lib/src/fwts_arch.c b/src/lib/src/fwts_arch.c
index 6f37e9f..f5e8b78 100644
--- a/src/lib/src/fwts_arch.c
+++ b/src/lib/src/fwts_arch.c
@@ -33,6 +33,13 @@ static const struct fwts_arch_info arch_info[] = {
 	{ FWTS_ARCH_OTHER, "other" }
 };
 
+static const struct fwts_arch_info arch_name[] = {
+	{ FWTS_ARCH_X86, "x86" },
+	{ FWTS_ARCH_IA64, "ia64" },
+	{ FWTS_ARCH_ARM64, "arm64" },
+	{ FWTS_ARCH_OTHER, "other" },
+};
+
 static char *arch_names;
 
 static fwts_architecture __fwts_arch_get_arch(const char *name)
@@ -82,3 +89,14 @@ const char *fwts_arch_names(void)
 
 	return arch_names;
 }
+
+const char *fwts_arch_get_name(const fwts_architecture arch)
+{
+	const struct fwts_arch_info *ptr;
+
+	for (ptr = arch_name; ptr->arch != FWTS_ARCH_OTHER; ptr++)
+		if (ptr->arch == arch)
+			break;
+
+	return ptr->name;
+}
-- 
2.5.0