[PATCH v2 3/7] include: hexdump: make hex2bin() usable from host tools

Daniel Golle daniel at makrotopia.org
Thu Apr 16 03:46:42 CEST 2026


Make hexdump.h work in host-tool builds by using 'uint8_t' instead
of 'u8', and including either user-space libc <ctype.h> for host-tools
or <linux/ctype.h> when building U-Boot itself.

Signed-off-by: Daniel Golle <daniel at makrotopia.org>
---
v2: new patch

 include/hexdump.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/include/hexdump.h b/include/hexdump.h
index f2ca4793d69..5cb48d79efe 100644
--- a/include/hexdump.h
+++ b/include/hexdump.h
@@ -7,7 +7,11 @@
 #ifndef HEXDUMP_H
 #define HEXDUMP_H
 
+#ifdef USE_HOSTCC
+#include <ctype.h>
+#else
 #include <linux/ctype.h>
+#endif
 #include <linux/types.h>
 
 enum dump_prefix_t {
@@ -20,7 +24,7 @@ extern const char hex_asc[];
 #define hex_asc_lo(x)	hex_asc[((x) & 0x0f)]
 #define hex_asc_hi(x)	hex_asc[((x) & 0xf0) >> 4]
 
-static inline char *hex_byte_pack(char *buf, u8 byte)
+static inline char *hex_byte_pack(char *buf, uint8_t byte)
 {
 	*buf++ = hex_asc_hi(byte);
 	*buf++ = hex_asc_lo(byte);
@@ -52,7 +56,7 @@ static inline int hex_to_bin(char ch)
  *
  * Return 0 on success, -1 in case of bad input.
  */
-static inline int hex2bin(u8 *dst, const char *src, size_t count)
+static inline int hex2bin(uint8_t *dst, const char *src, size_t count)
 {
 	while (count--) {
 		int hi = hex_to_bin(*src++);
-- 
2.53.0


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