membuff: Rename functions to have membuf_ prefix

The double 'f' is not necessary and is a bit annoying as elsewhere in
U-Boot we use 'buf'. Rename all the functions before it is used more
widely.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/lib/membuff.c b/lib/membuff.c
index b242a38..435d12b 100644
--- a/lib/membuff.c
+++ b/lib/membuff.c
@@ -11,15 +11,15 @@
 #include <malloc.h>
 #include "membuff.h"
 
-void membuff_purge(struct membuff *mb)
+void membuf_purge(struct membuff *mb)
 {
 	/* set mb->head and mb->tail so the buffers look empty */
 	mb->head = mb->start;
 	mb->tail = mb->start;
 }
 
-static int membuff_putrawflex(struct membuff *mb, int maxlen, bool update,
-			      char ***data, int *offsetp)
+static int membuf_putrawflex(struct membuff *mb, int maxlen, bool update,
+			     char ***data, int *offsetp)
 {
 	int len;
 
@@ -72,30 +72,30 @@
 	return len;
 }
 
-int membuff_putraw(struct membuff *mb, int maxlen, bool update, char **data)
+int membuf_putraw(struct membuff *mb, int maxlen, bool update, char **data)
 {
 	char **datap;
 	int offset;
 	int size;
 
-	size = membuff_putrawflex(mb, maxlen, update, &datap, &offset);
+	size = membuf_putrawflex(mb, maxlen, update, &datap, &offset);
 	*data = *datap + offset;
 
 	return size;
 }
 
-bool membuff_putbyte(struct membuff *mb, int ch)
+bool membuf_putbyte(struct membuff *mb, int ch)
 {
 	char *data;
 
-	if (membuff_putraw(mb, 1, true, &data) != 1)
+	if (membuf_putraw(mb, 1, true, &data) != 1)
 		return false;
 	*data = ch;
 
 	return true;
 }
 
-int membuff_getraw(struct membuff *mb, int maxlen, bool update, char **data)
+int membuf_getraw(struct membuff *mb, int maxlen, bool update, char **data)
 {
 	int len;
 
@@ -146,21 +146,21 @@
 	return len;
 }
 
-int membuff_getbyte(struct membuff *mb)
+int membuf_getbyte(struct membuff *mb)
 {
 	char *data = 0;
 
-	return membuff_getraw(mb, 1, true, &data) != 1 ? -1 : *(uint8_t *)data;
+	return membuf_getraw(mb, 1, true, &data) != 1 ? -1 : *(uint8_t *)data;
 }
 
-int membuff_peekbyte(struct membuff *mb)
+int membuf_peekbyte(struct membuff *mb)
 {
 	char *data = 0;
 
-	return membuff_getraw(mb, 1, false, &data) != 1 ? -1 : *(uint8_t *)data;
+	return membuf_getraw(mb, 1, false, &data) != 1 ? -1 : *(uint8_t *)data;
 }
 
-int membuff_get(struct membuff *mb, char *buff, int maxlen)
+int membuf_get(struct membuff *mb, char *buff, int maxlen)
 {
 	char *data = 0, *buffptr = buff;
 	int len = 1, i;
@@ -171,7 +171,7 @@
 	 */
 	for (i = 0; len && i < 2; i++) {
 		/* get a pointer to the data available */
-		len = membuff_getraw(mb, maxlen, true, &data);
+		len = membuf_getraw(mb, maxlen, true, &data);
 
 		/* copy it into the buffer */
 		memcpy(buffptr, data, len);
@@ -183,14 +183,14 @@
 	return buffptr - buff;
 }
 
-int membuff_put(struct membuff *mb, const char *buff, int length)
+int membuf_put(struct membuff *mb, const char *buff, int length)
 {
 	char *data;
 	int towrite, i, written;
 
 	for (i = written = 0; i < 2; i++) {
 		/* ask where some data can be written */
-		towrite = membuff_putraw(mb, length, true, &data);
+		towrite = membuf_putraw(mb, length, true, &data);
 
 		/* and write it, updating the bytes length */
 		memcpy(data, buff, towrite);
@@ -203,12 +203,12 @@
 	return written;
 }
 
-bool membuff_isempty(struct membuff *mb)
+bool membuf_isempty(struct membuff *mb)
 {
 	return mb->head == mb->tail;
 }
 
-int membuff_avail(struct membuff *mb)
+int membuf_avail(struct membuff *mb)
 {
 	struct membuff copy;
 	int i, avail;
@@ -219,18 +219,18 @@
 
 	/* now read everything out of the copied buffer */
 	for (i = avail = 0; i < 2; i++)
-		avail += membuff_getraw(&copy, -1, true, &data);
+		avail += membuf_getraw(&copy, -1, true, &data);
 
 	/* and return how much we read */
 	return avail;
 }
 
-int membuff_size(struct membuff *mb)
+int membuf_size(struct membuff *mb)
 {
 	return mb->end - mb->start;
 }
 
-bool membuff_makecontig(struct membuff *mb)
+bool membuf_makecontig(struct membuff *mb)
 {
 	int topsize, botsize;
 
@@ -281,13 +281,13 @@
 	return true;
 }
 
-int membuff_free(struct membuff *mb)
+int membuf_free(struct membuff *mb)
 {
 	return mb->end == mb->start ? 0 :
-			(mb->end - mb->start) - 1 - membuff_avail(mb);
+			(mb->end - mb->start) - 1 - membuf_avail(mb);
 }
 
-int membuff_readline(struct membuff *mb, char *str, int maxlen, int minch, bool must_fit)
+int membuf_readline(struct membuff *mb, char *str, int maxlen, int minch, bool must_fit)
 {
 	int len;  /* number of bytes read (!= string length) */
 	char *s, *end;
@@ -322,7 +322,7 @@
 	return len;
 }
 
-int membuff_extend_by(struct membuff *mb, int by, int max)
+int membuf_extend_by(struct membuff *mb, int by, int max)
 {
 	int oldhead, oldtail;
 	int size, orig;
@@ -358,32 +358,32 @@
 	return 0;
 }
 
-void membuff_init(struct membuff *mb, char *buff, int size)
+void membuf_init(struct membuff *mb, char *buff, int size)
 {
 	mb->start = buff;
 	mb->end = mb->start + size;
-	membuff_purge(mb);
+	membuf_purge(mb);
 }
 
-int membuff_new(struct membuff *mb, int size)
+int membuf_new(struct membuff *mb, int size)
 {
 	mb->start = malloc(size);
 	if (!mb->start)
 		return -ENOMEM;
 
-	membuff_init(mb, mb->start, size);
+	membuf_init(mb, mb->start, size);
 	return 0;
 }
 
-void membuff_uninit(struct membuff *mb)
+void membuf_uninit(struct membuff *mb)
 {
 	mb->end = NULL;
 	mb->start = NULL;
-	membuff_purge(mb);
+	membuf_purge(mb);
 }
 
-void membuff_dispose(struct membuff *mb)
+void membuf_dispose(struct membuff *mb)
 {
 	free(&mb->start);
-	membuff_uninit(mb);
+	membuf_uninit(mb);
 }