1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/gpllib/disk/ata.c b/contrib/syslinux-4.02/com32/gpllib/disk/ata.c
new file mode 100644
index 0000000..78f669e
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/gpllib/disk/ata.c
@@ -0,0 +1,62 @@
+#include <inttypes.h>
+#include <string.h>
+
+/**
+ *      ata_id_string - Convert IDENTIFY DEVICE page into string
+ *      @id: IDENTIFY DEVICE results we will examine
+ *      @s: string into which data is output
+ *      @ofs: offset into identify device page
+ *      @len: length of string to return. must be an even number.
+ *
+ *      The strings in the IDENTIFY DEVICE page are broken up into
+ *      16-bit chunks.  Run through the string, and output each
+ *      8-bit chunk linearly, regardless of platform.
+ *
+ *      LOCKING:
+ *      caller.
+ */
+void ata_id_string(const uint16_t * id, unsigned char *s,
+		   unsigned int ofs, unsigned int len)
+{
+    unsigned int c;
+
+    while (len > 0) {
+	c = id[ofs] >> 8;
+	*s = c;
+	s++;
+
+	c = id[ofs] & 0xff;
+	*s = c;
+	s++;
+
+	ofs++;
+	len -= 2;
+    }
+}
+
+/**
+ *      ata_id_c_string - Convert IDENTIFY DEVICE page into C string
+ *      @id: IDENTIFY DEVICE results we will examine
+ *      @s: string into which data is output
+ *      @ofs: offset into identify device page
+ *      @len: length of string to return. must be an odd number.
+ *
+ *      This function is identical to ata_id_string except that it
+ *      trims trailing spaces and terminates the resulting string with
+ *      null.  @len must be actual maximum length (even number) + 1.
+ *
+ *      LOCKING:
+ *      caller.
+ */
+void ata_id_c_string(const uint16_t * id, unsigned char *s,
+		     unsigned int ofs, unsigned int len)
+{
+    unsigned char *p;
+
+    ata_id_string(id, s, ofs, len - 1);
+
+    p = s + strnlen((const char *)s, len - 1);
+    while (p > s && p[-1] == ' ')
+	p--;
+    *p = '\0';
+}