Rename e{malloc,realloc,free} to u{malloc,realloc,free}, to more obviously

reflect the fact that they allocate and deallocate user memory (i.e.
things reached through a userptr_t).

src/arch/i386/core/umalloc.c

@@ -25,7 +25,7 @@
 
 #include <gpxe/uaccess.h>
 #include <gpxe/hidemem.h>
-#include <gpxe/emalloc.h>
+#include <gpxe/umalloc.h>
 
 /** Alignment of external allocated memory */
 #define EM_ALIGN ( 4 * 1024 )
@@ -76,14 +76,14 @@ static void ecollect_free ( void ) {
 /**
  * Reallocate external memory
  *
- * @v old_ptr		Memory previously allocated by emalloc(), or UNULL
+ * @v old_ptr		Memory previously allocated by umalloc(), or UNULL
  * @v new_size		Requested size
  * @ret new_ptr		Allocated memory, or UNULL
  *
  * Calling realloc() with a new size of zero is a valid way to free a
  * memory block.
  */
-userptr_t erealloc ( userptr_t ptr, size_t new_size ) {
+userptr_t urealloc ( userptr_t ptr, size_t new_size ) {
 	struct external_memory extmem;
 	userptr_t new = ptr;
 	size_t align;
@@ -153,17 +153,17 @@ userptr_t erealloc ( userptr_t ptr, size_t new_size ) {
  *
  * Memory is guaranteed to be aligned to a page boundary.
  */
-userptr_t emalloc ( size_t size ) {
-	return erealloc ( UNULL, size );
+userptr_t umalloc ( size_t size ) {
+	return urealloc ( UNULL, size );
 }
 
 /**
  * Free external memory
  *
- * @v ptr		Memory allocated by emalloc(), or UNULL
+ * @v ptr		Memory allocated by umalloc(), or UNULL
  *
  * If @c ptr is UNULL, no action is taken.
  */
-void efree ( userptr_t ptr ) {
-	erealloc ( ptr, 0 );
+void ufree ( userptr_t ptr ) {
+	urealloc ( ptr, 0 );
 }

src/core/ebuffer.c

@@ -25,7 +25,7 @@
 
 #include <errno.h>
 #include <gpxe/buffer.h>
-#include <gpxe/emalloc.h>
+#include <gpxe/umalloc.h>
 #include <gpxe/ebuffer.h>
 
 /**
@@ -46,7 +46,7 @@ static int ebuffer_expand ( struct buffer *buffer, size_t new_len ) {
 		actual_len <<= 1;
 
 	/* Reallocate buffer */
-	new_addr = erealloc ( buffer->addr, actual_len );
+	new_addr = urealloc ( buffer->addr, actual_len );
 	if ( ! new_addr )
 		return -ENOMEM;
 
@@ -63,7 +63,7 @@ static int ebuffer_expand ( struct buffer *buffer, size_t new_len ) {
  * @ret rc		Return status code
  *
  * Allocates space for the buffer and stores it in @c buffer->addr.
- * The space must eventually be freed by calling efree(buffer->addr).
+ * The space must eventually be freed by calling ufree(buffer->addr).
  */
 int ebuffer_alloc ( struct buffer *buffer, size_t len ) {
 	memset ( buffer, 0, sizeof ( *buffer ) );

src/core/image.c

@@ -23,7 +23,6 @@
 #include <assert.h>
 #include <vsprintf.h>
 #include <gpxe/list.h>
-#include <gpxe/emalloc.h>
 #include <gpxe/image.h>
 
 /** @file

src/include/gpxe/emalloc.h

@@ -1,17 +0,0 @@
-#ifndef _GPXE_EMALLOC_H
-#define _GPXE_EMALLOC_H
-
-/**
- * @file
- *
- * External memory allocation
- *
- */
-
-#include <gpxe/uaccess.h>
-
-extern userptr_t emalloc ( size_t size );
-extern userptr_t erealloc ( userptr_t ptr, size_t new_size );
-extern void efree ( userptr_t ptr );
-
-#endif /* _GPXE_EMALLOC_H */

src/include/gpxe/umalloc.h

@@ -0,0 +1,17 @@
+#ifndef _GPXE_UMALLOC_H
+#define _GPXE_UMALLOC_H
+
+/**
+ * @file
+ *
+ * User memory allocation
+ *
+ */
+
+#include <gpxe/uaccess.h>
+
+extern userptr_t umalloc ( size_t size );
+extern userptr_t urealloc ( userptr_t ptr, size_t new_size );
+extern void ufree ( userptr_t ptr );
+
+#endif /* _GPXE_UMALLOC_H */

src/tests/umalloc_test.c

@@ -1,9 +1,9 @@
 #include <vsprintf.h>
 #include <gpxe/uaccess.h>
-#include <gpxe/emalloc.h>
+#include <gpxe/umalloc.h>
 #include <gpxe/memmap.h>
 
-void emalloc_test ( void ) {
+void umalloc_test ( void ) {
 	struct memory_map memmap;
 	userptr_t bob;
 	userptr_t fred;
@@ -11,15 +11,15 @@ void emalloc_test ( void ) {
 	printf ( "Before allocation:\n" );
 	get_memmap ( &memmap );
 
-	bob = emalloc ( 1234 );
-	bob = erealloc ( bob, 12345 );
-	fred = emalloc ( 999 );
+	bob = ymalloc ( 1234 );
+	bob = yrealloc ( bob, 12345 );
+	fred = ymalloc ( 999 );
 
 	printf ( "After allocation:\n" );
 	get_memmap ( &memmap );
 
-	efree ( bob );
-	efree ( fred );
+	ufree ( bob );
+	ufree ( fred );
 
 	printf ( "After freeing:\n" );
 	get_memmap ( &memmap );

src/usr/fetch.c

@@ -25,7 +25,7 @@
 
 #include <errno.h>
 #include <vsprintf.h>
-#include <gpxe/emalloc.h>
+#include <gpxe/umalloc.h>
 #include <gpxe/ebuffer.h>
 #include <gpxe/image.h>
 #include <gpxe/uri.h>
@@ -45,9 +45,9 @@
  * @ret len		Length of loaded file
  * @ret rc		Return status code
  *
- * Fetch file to an external buffer allocated with emalloc().  The
+ * Fetch file to an external buffer allocated with umalloc().  The
  * caller is responsible for eventually freeing the buffer with
- * efree().
+ * ufree().
  */
 int fetch ( const char *uri_string, userptr_t *data, size_t *len ) {
 	struct uri *uri;
@@ -101,7 +101,7 @@ int fetch ( const char *uri_string, userptr_t *data, size_t *len ) {
 	return 0;
 
  err:
-	efree ( buffer.addr );
+	ufree ( buffer.addr );
  err_ebuffer_alloc:
 	free_uri ( uri );
  err_parse_uri:

src/usr/imgmgmt.c

@@ -21,7 +21,7 @@
 #include <errno.h>
 #include <vsprintf.h>
 #include <gpxe/image.h>
-#include <gpxe/emalloc.h>
+#include <gpxe/umalloc.h>
 #include <usr/fetch.h>
 #include <usr/imgmgmt.h>
 
@@ -66,7 +66,7 @@ int imgfetch ( const char *filename, const char *name,
 	return 0;
 
  err:
-	efree ( image->data );
+	ufree ( image->data );
 	free ( image );
 	return rc;
 }
@@ -139,6 +139,6 @@ void imgstat ( struct image *image ) {
  */
 void imgfree ( struct image *image ) {
 	unregister_image ( image );
-	efree ( image->data );
+	ufree ( image->data );
 	free ( image );
 }