1 files changed, 34 insertions, 0 deletions
diff --git a/lib/mesa/src/util/mesa-sha1.c b/lib/mesa/src/util/mesa-sha1.c
index 410e82c71..701ba8a28 100644
--- a/lib/mesa/src/util/mesa-sha1.c
+++ b/lib/mesa/src/util/mesa-sha1.c
@@ -26,6 +26,7 @@
 
 #include "sha1/sha1.h"
 #include "mesa-sha1.h"
+#include <string.h>
 
 void
 _mesa_sha1_compute(const void *data, size_t size, unsigned char result[20])
@@ -64,3 +65,36 @@ _mesa_sha1_hex_to_sha1(unsigned char *buf, const char *hex)
       buf[i] = strtol(tmp, NULL, 16);
    }
 }
+
+static void
+sha1_to_uint32(const uint8_t sha1[SHA1_DIGEST_LENGTH],
+               uint32_t out[SHA1_DIGEST_LENGTH32])
+{
+   memset(out, 0, SHA1_DIGEST_LENGTH);
+
+   for (unsigned i = 0; i < SHA1_DIGEST_LENGTH; i++)
+      out[i / 4] |= (uint32_t)sha1[i] << ((i % 4) * 8);
+}
+
+void
+_mesa_sha1_print(FILE *f, const uint8_t sha1[SHA1_DIGEST_LENGTH])
+{
+   uint32_t u32[SHA1_DIGEST_LENGTH];
+   sha1_to_uint32(sha1, u32);
+
+   for (unsigned i = 0; i < SHA1_DIGEST_LENGTH32; i++) {
+      fprintf(f, "0x%08x", u32[i]);
+      if (i < SHA1_DIGEST_LENGTH32 - 1)
+         fprintf(f, ", ");
+   }
+}
+
+bool
+_mesa_printed_sha1_equal(const uint8_t sha1[SHA1_DIGEST_LENGTH],
+                         const uint32_t printed_sha1[SHA1_DIGEST_LENGTH32])
+{
+   uint32_t u32[SHA1_DIGEST_LENGTH32];
+   sha1_to_uint32(sha1, u32);
+
+   return memcmp(u32, printed_sha1, sizeof(u32)) == 0;
+}