discover/grub2: Allow to separate the --id argument using a space char

[petitboot] / lib / util / util.c

diff --git a/lib/util/util.c b/lib/util/util.c
index a18926c1ac74c9446629d0ad01199db467c9d449..36d45b8438b4961a9689c7ad2578fa4d0eaabd16 100644 (file)
--- a/lib/util/util.c
+++ b/lib/util/util.c
@@ -19,6 +19,7 @@
 #include <assert.h>
 
 #include <util/util.h>
 #include <assert.h>
 
 #include <util/util.h>

+#include <talloc/talloc.h>

 
 static const char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7',
                            '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', };
 
 static const char hex[] = { '0', '1', '2', '3', '4', '5', '6', '7',
                            '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', };


@@ -47,3 +48,19 @@ void mac_str(uint8_t *mac, unsigned int maclen, char *buf, unsigned int buflen)
 
        return;
 }
 
        return;
 }

+
+char *format_buffer(void *ctx, const uint8_t *buf, unsigned int len)
+{
+       char *str;
+       unsigned int i;
+
+       if (len == 0)
+               return "";
+
+       str = talloc_asprintf(ctx, "0x%02x%s", buf[0], len > 1 ? " " : "");
+       for (i = 1; i < len; i++)
+               str = talloc_asprintf_append(str, "0x%02x%s", buf[i],
+                       ((i + 1) % 8 == 0 && i != len - 1) ? "\n" : " ");
+
+       return str;
+}