X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fcrc32.c;h=285fd9bc61be1b089441663b587f34ff409fb1ba;hb=b6b967ad255498245601152705a93ed3a1f4ba37;hp=58b222783f9c926049826b90f222d91d8b94578f;hpb=daddc0d38b3571bed170afa273a49a0eba090c1e;p=linux-2.6.git

diff --git a/lib/crc32.c b/lib/crc32.c
index 58b222783..285fd9bc6 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -42,20 +42,21 @@ MODULE_AUTHOR("Matt Domsch <Matt_Domsch@dell.com>");
 MODULE_DESCRIPTION("Ethernet CRC32 calculations");
 MODULE_LICENSE("GPL");
 
+/**
+ * crc32_le() - Calculate bitwise little-endian Ethernet AUTODIN II CRC32
+ * @crc: seed value for computation.  ~0 for Ethernet, sometimes 0 for
+ *	other uses, or the previous crc32 value if computing incrementally.
+ * @p: pointer to buffer over which CRC is run
+ * @len: length of buffer @p
+ */
+u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len);
+
 #if CRC_LE_BITS == 1
 /*
  * In fact, the table-based code will work in this case, but it can be
  * simplified by inlining the table in ?: form.
  */
 
-/**
- * crc32_le() - Calculate bitwise little-endian Ethernet AUTODIN II CRC32
- * @crc - seed value for computation.  ~0 for Ethernet, sometimes 0 for
- *        other uses, or the previous crc32 value if computing incrementally.
- * @p   - pointer to buffer over which CRC is run
- * @len - length of buffer @p
- * 
- */
 u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len)
 {
 	int i;
@@ -68,14 +69,6 @@ u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len)
 }
 #else				/* Table-based approach */
 
-/**
- * crc32_le() - Calculate bitwise little-endian Ethernet AUTODIN II CRC32
- * @crc - seed value for computation.  ~0 for Ethernet, sometimes 0 for
- *        other uses, or the previous crc32 value if computing incrementally.
- * @p   - pointer to buffer over which CRC is run
- * @len - length of buffer @p
- * 
- */
 u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_LE_BITS == 8
@@ -145,20 +138,21 @@ u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len)
 }
 #endif
 
+/**
+ * crc32_be() - Calculate bitwise big-endian Ethernet AUTODIN II CRC32
+ * @crc: seed value for computation.  ~0 for Ethernet, sometimes 0 for
+ *	other uses, or the previous crc32 value if computing incrementally.
+ * @p: pointer to buffer over which CRC is run
+ * @len: length of buffer @p
+ */
+u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len);
+
 #if CRC_BE_BITS == 1
 /*
  * In fact, the table-based code will work in this case, but it can be
  * simplified by inlining the table in ?: form.
  */
 
-/**
- * crc32_be() - Calculate bitwise big-endian Ethernet AUTODIN II CRC32
- * @crc - seed value for computation.  ~0 for Ethernet, sometimes 0 for
- *        other uses, or the previous crc32 value if computing incrementally.
- * @p   - pointer to buffer over which CRC is run
- * @len - length of buffer @p
- * 
- */
 u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len)
 {
 	int i;
@@ -173,14 +167,6 @@ u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len)
 }
 
 #else				/* Table-based approach */
-/**
- * crc32_be() - Calculate bitwise big-endian Ethernet AUTODIN II CRC32
- * @crc - seed value for computation.  ~0 for Ethernet, sometimes 0 for
- *        other uses, or the previous crc32 value if computing incrementally.
- * @p   - pointer to buffer over which CRC is run
- * @len - length of buffer @p
- * 
- */
 u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_BE_BITS == 8
@@ -249,6 +235,10 @@ u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len)
 }
 #endif
 
+/**
+ * bitreverse - reverse the order of bits in a u32 value
+ * @x: value to be bit-reversed
+ */
 u32 bitreverse(u32 x)
 {
 	x = (x >> 16) | (x << 16);
@@ -473,7 +463,7 @@ static u32 test_step(u32 init, unsigned char *buf, size_t len)
 	init = bitreverse(init);
 	crc2 = bitreverse(crc1);
 	if (crc1 != bitreverse(crc2))
-		printf("\nBit reversal fail: 0x%08x -> %0x08x -> 0x%08x\n",
+		printf("\nBit reversal fail: 0x%08x -> 0x%08x -> 0x%08x\n",
 		       crc1, crc2, bitreverse(crc2));
 	crc1 = crc32_le(init, buf, len);
 	if (crc1 != crc2)