[FDT] Fix POSIX compatibility for string.h (#6923)

* [FDT] Fix POSIX compatibility for string.h

* [FDT] format libfdt code.

* [FDT] format libfdt code.

components/drivers/fdt/inc/dtb_node.h

 /*
- * Copyright (c) 2006-2021, RT-Thread Development Team
+ * Copyright (c) 2006-2023, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -201,11 +201,11 @@ int dtb_node_property_read_string_helper(const struct dtb_node *dn,
 /**
  * of_property_read_string_index() - Find and read a string from a multiple
  * strings property.
- * @np:		device node from which the property value is to be read.
- * @propname:	name of the property to be searched.
- * @index:	index of the string in the list of strings
- * @out_string:	pointer to null terminated return string, modified only if
- *		return value is 0.
+ * @np:     device node from which the property value is to be read.
+ * @propname:   name of the property to be searched.
+ * @index:  index of the string in the list of strings
+ * @out_string: pointer to null terminated return string, modified only if
+ *      return value is 0.
  *
  * Search for a property in a device tree node and retrieve a null
  * terminated string value (pointer to data, not a copy) in the list of strings
@@ -227,8 +227,8 @@ static inline int dtb_node_property_read_string_index(const struct dtb_node *dn,
 /**
  * of_property_count_strings() - Find and return the number of strings from a
  * multiple strings property.
- * @np:		device node from which the property value is to be read.
- * @propname:	name of the property to be searched.
+ * @np:     device node from which the property value is to be read.
+ * @propname:   name of the property to be searched.
  *
  * Search for a property in a device tree node and retrieve the number of null
  * terminated string contain in it. Returns the number of strings on

components/drivers/fdt/src/dtb_access.c

 /*
- * Copyright (c) 2006-2022, RT-Thread Development Team
+ * Copyright (c) 2006-2023, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  */
-#define _GNU_SOURCE
-
 #include "libfdt.h"
 #include "dtb_node.h"
 
@@ -324,7 +322,7 @@ void *dtb_node_get_dtb_node_property_value(const struct dtb_node *dtb_node, cons
 
     if (property_size != NULL)
     {
-        *property_size = dtb_property->size;        
+        *property_size = dtb_property->size;
     }
 
     return dtb_property->value;
@@ -450,11 +448,11 @@ int dtb_node_property_match_string(const struct dtb_node *dn, const char *propna
 
 /**
  * of_property_read_string_helper() - Utility helper for parsing string properties
- * @np:		device node from which the property value is to be read.
- * @propname:	name of the property to be searched.
- * @out_strs:	output array of string pointers.
- * @sz:		number of array elements to read.
- * @skip:	Number of strings to skip over at beginning of list.
+ * @np:     device node from which the property value is to be read.
+ * @propname:   name of the property to be searched.
+ * @out_strs:   output array of string pointers.
+ * @sz:     number of array elements to read.
+ * @skip:   Number of strings to skip over at beginning of list.
  *
  * Don't call this function directly. It is a utility helper for the
  * of_property_read_string*() family of functions.

components/drivers/fdt/src/dtb_addr.c

 /*
- * Copyright (c) 2006-2022, RT-Thread Development Team
+ * Copyright (c) 2006-2023, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -7,51 +7,51 @@
 #include "dtb_node.h"
 
 /* Max address size we deal with */
-#define FDT_MAX_ADDR_CELLS	4
-#define FDT_CHECK_ADDR_COUNT(na)	((na) > 0 && (na) <= FDT_MAX_ADDR_CELLS)
-#define FDT_CHECK_COUNTS(na, ns)	(FDT_CHECK_ADDR_COUNT(na) && (ns) > 0)
+#define FDT_MAX_ADDR_CELLS  4
+#define FDT_CHECK_ADDR_COUNT(na)    ((na) > 0 && (na) <= FDT_MAX_ADDR_CELLS)
+#define FDT_CHECK_COUNTS(na, ns)    (FDT_CHECK_ADDR_COUNT(na) && (ns) > 0)
 
 static void dtb_node_default_count_cells(const struct dtb_node *dn,
-				       int *addrc, int *sizec)
+                       int *addrc, int *sizec)
 {
-	if (addrc)
-		*addrc = dtb_node_n_addr_cells(dn);
-	if (sizec)
-		*sizec = dtb_node_n_size_cells(dn);
+    if (addrc)
+        *addrc = dtb_node_n_addr_cells(dn);
+    if (sizec)
+        *sizec = dtb_node_n_size_cells(dn);
 }
 
 const uint32_t *dtb_node_get_address(const struct dtb_node *dev, int index,
-			     uint64_t *size, unsigned int *flags)
+                 uint64_t *size, unsigned int *flags)
 {
-	const uint32_t *prop;
-	int psize;
-	struct dtb_node *parent;
-	int onesize, i, na, ns;
+    const uint32_t *prop;
+    int psize;
+    struct dtb_node *parent;
+    int onesize, i, na, ns;
 
-	/* Get parent */
-	parent = dtb_node_get_parent(dev);
-	if (parent == NULL)
-		return NULL;
+    /* Get parent */
+    parent = dtb_node_get_parent(dev);
+    if (parent == NULL)
+        return NULL;
 
-	dtb_node_default_count_cells(dev, &na, &ns);
-	if (!FDT_CHECK_ADDR_COUNT(na))
-		return NULL;
+    dtb_node_default_count_cells(dev, &na, &ns);
+    if (!FDT_CHECK_ADDR_COUNT(na))
+        return NULL;
 
-	/* Get "reg" or "assigned-addresses" property */
-	prop = dtb_node_get_dtb_node_property_value(dev, "reg", &psize);
-	if (prop == NULL)
-		return NULL;
-	psize /= 4;
+    /* Get "reg" or "assigned-addresses" property */
+    prop = dtb_node_get_dtb_node_property_value(dev, "reg", &psize);
+    if (prop == NULL)
+        return NULL;
+    psize /= 4;
 
-	onesize = na + ns;
-	for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
-		if (i == index)
-		{
-			if (size)
-				*size = dtb_node_read_number(prop + na, ns);
-			if (flags)
-				*flags = 0x200;
-			return prop;
-		}
-	return NULL;
-}
\ No newline at end of file
+    onesize = na + ns;
+    for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
+        if (i == index)
+        {
+            if (size)
+                *size = dtb_node_read_number(prop + na, ns);
+            if (flags)
+                *flags = 0x200;
+            return prop;
+        }
+    return NULL;
+}

components/drivers/fdt/src/dtb_base.c

 /*
- * Copyright (c) 2006-2022, RT-Thread Development Team
+ * Copyright (c) 2006-2023, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -189,7 +189,7 @@ const char *dtb_node_get_name(const struct dtb_node *node)
 
 }
 
-struct dtb_node *dtb_node_get_by_phandle(uint phandle)
+struct dtb_node *dtb_node_get_by_phandle(uint32_t phandle)
 {
     if (dtb_node_active())
         return dtb_node_find_node_by_phandle(phandle);
@@ -418,63 +418,63 @@ int dtb_node_set_enabled(const struct dtb_node *node, rt_bool_t value)
  */
 static struct dtb_node *dtb_node_irq_find_parent(struct dtb_node *child)
 {
-	struct dtb_node *p;
-	phandle parent;
+    struct dtb_node *p;
+    phandle parent;
 
-	if (!dtb_node_get(child))
-		return NULL;
-	do
+    if (!dtb_node_get(child))
+        return NULL;
+    do
     {
-		if (dtb_node_read_u32_array(child, "interrupt-parent", &parent, 1))
+        if (dtb_node_read_u32_array(child, "interrupt-parent", &parent, 1))
         {
-			p = dtb_node_get_parent(child);
-		}
+            p = dtb_node_get_parent(child);
+        }
         else
         {
-			p = dtb_node_get_by_phandle(parent);         
-		}
-		dtb_node_put(child);
-		child = p;
-	} while (p && dtb_node_get_property(p, "#interrupt-cells", NULL) == NULL);
+            p = dtb_node_get_by_phandle(parent);
+        }
+        dtb_node_put(child);
+        child = p;
+    } while (p && dtb_node_get_property(p, "#interrupt-cells", NULL) == NULL);
 
-	return p;
+    return p;
 }
 
 int dtb_node_irq_get(struct dtb_node *dev, int index)
 {
-	int rc = 0;
-	struct fdt_phandle_args out_irq;
+    int rc = 0;
+    struct fdt_phandle_args out_irq;
     struct dtb_node *p;
-	uint32_t intsize;
-	int res, i;
-
-	p = dtb_node_irq_find_parent(dev);
-	if (p == NULL)
-		return -EINVAL;
-	/* Get size of interrupt specifier */
-	if (dtb_node_read_u32_array(p, "#interrupt-cells", &intsize, 1))
+    uint32_t intsize;
+    int res, i;
+
+    p = dtb_node_irq_find_parent(dev);
+    if (p == NULL)
+        return -EINVAL;
+    /* Get size of interrupt specifier */
+    if (dtb_node_read_u32_array(p, "#interrupt-cells", &intsize, 1))
     {
-		res = -EINVAL;
-		goto out;
-	}
-
-	debug(" path:%s, parent=%pOF, intsize=%d\n", p->path,p, intsize);
-    
-	/* Copy intspec into irq structure */
-	out_irq.np = p;
-	out_irq.args_count = intsize;
-	for (i = 0; i < intsize; i++)
+        res = -EINVAL;
+        goto out;
+    }
+
+    debug(" path:%s, parent=%pOF, intsize=%d\n", p->path,p, intsize);
+
+    /* Copy intspec into irq structure */
+    out_irq.np = p;
+    out_irq.args_count = intsize;
+    for (i = 0; i < intsize; i++)
     {
-		res = dtb_node_read_u32_index(dev, "interrupts",
-						 (index * 3 + i),
-						 out_irq.args + i);
-		if (res)
-			goto out;
-	}
+        res = dtb_node_read_u32_index(dev, "interrupts",
+                         (index * 3 + i),
+                         out_irq.args + i);
+        if (res)
+            goto out;
+    }
     rc = out_irq.args[1];
  out:
-	dtb_node_put(p);
-	return rc;
+    dtb_node_put(p);
+    return rc;
 
 }
 
@@ -489,16 +489,16 @@ int dtb_node_irq_get(struct dtb_node *dev, int index)
  */
 int dtb_node_irq_get_byname(struct dtb_node *dev, const char *name)
 {
-	int index;
+    int index;
 
-	if (!name)
-		return -EINVAL;
+    if (!name)
+        return -EINVAL;
 
-	index = dtb_node_stringlist_search(dev, "interrupt-names", name);
-	if (index < 0)
-		return index;
+    index = dtb_node_stringlist_search(dev, "interrupt-names", name);
+    if (index < 0)
+        return index;
 
-	return dtb_node_irq_get(dev, index);
+    return dtb_node_irq_get(dev, index);
 }
 
 /**
@@ -508,21 +508,21 @@ int dtb_node_irq_get_byname(struct dtb_node *dev, const char *name)
 int dtb_node_irq_count(struct dtb_node *device)
 {
     struct dtb_node *p;
-	uint32_t intsize;
-	int nr = 0, res = 0;
+    uint32_t intsize;
+    int nr = 0, res = 0;
 
-	p = dtb_node_irq_find_parent(device);
-	if (p == NULL)
-		return -EINVAL;
+    p = dtb_node_irq_find_parent(device);
+    if (p == NULL)
+        return -EINVAL;
 
-	/* Get size of interrupt specifier */
-	if (dtb_node_read_u32_array(p, "#interrupt-cells", &intsize, 1))
+    /* Get size of interrupt specifier */
+    if (dtb_node_read_u32_array(p, "#interrupt-cells", &intsize, 1))
     {
-		res = -EINVAL;
-		goto out;
-	}
+        res = -EINVAL;
+        goto out;
+    }
 
-	debug(" path:%s, parent=%pOF, intsize=%d\n", p->path,p, intsize);
+    debug(" path:%s, parent=%pOF, intsize=%d\n", p->path,p, intsize);
 
     res = dtb_node_read_size(device, "interrupts");
     if (res < 0)
@@ -531,7 +531,7 @@ int dtb_node_irq_count(struct dtb_node *device)
     }
     nr = res / (intsize * 4);
  out:
-	dtb_node_put(p);
+    dtb_node_put(p);
 
-	return nr;
-}
\ No newline at end of file
+    return nr;
+}

components/drivers/fdt/src/dtb_load.c

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 #include "libfdt.h"
+#include <stdio.h>
 #include <unistd.h>
 #include "dtb_node.h"