Make the function for converting pairs of hexadecimal digits to binary
available to other call sites.
Signed-off-by: Rene Scharfe <l....@web.de>
---
cache.h | 7 +++++++
hex.c | 12 ++++++++++++
notes.c | 17 -----------------
3 files changed, 19 insertions(+), 17 deletions(-)
diff --git a/cache.h b/cache.h
index 6440e2bf21..f06bfbaf32 100644
--- a/cache.h
+++ b/cache.h
@@ -1317,6 +1317,13 @@ extern int set_disambiguate_hint_config(const char *var,
const char *value);
extern int get_sha1_hex(const char *hex, unsigned char *sha1);
extern int get_oid_hex(const char *hex, struct object_id *sha1);
+/*
+ * Read `len` pairs of hexadecimal digits from `hex` and write the
+ * values to `binary` as `len` bytes. Return 0 on success, or -1 if
+ * the input does not consist of hex digits).
+ */
+extern int hex_to_bytes(unsigned char *binary, const char *hex, size_t len);
+
/*
* Convert a binary sha1 to its hex equivalent. The `_r` variant is reentrant,
* and writes the NUL-terminated output to the buffer `out`, which must be at
diff --git a/hex.c b/hex.c
index 28b44118cb..8df2d63728 100644
--- a/hex.c
+++ b/hex.c
@@ -35,6 +35,18 @@ const signed char hexval_table[256] = {
-1, -1, -1, -1, -1, -1, -1, -1, /* f8-ff */
};
+int hex_to_bytes(unsigned char *binary, const char *hex, size_t len)
+{
+ for (; len; len--, hex += 2) {
+ unsigned int val = (hexval(hex[0]) << 4) | hexval(hex[1]);
+
+ if (val & ~0xff)
+ return -1;
+ *binary++ = val;
+ }
+ return 0;
+}
+
int get_sha1_hex(const char *hex, unsigned char *sha1)
{
int i;
diff --git a/notes.c b/notes.c
index 5c62862574..04f8c8613c 100644
--- a/notes.c
+++ b/notes.c
@@ -334,23 +334,6 @@ static void note_tree_free(struct int_node *tree)
}
}
-/*
- * Read `len` pairs of hexadecimal digits from `hex` and write the
- * values to `binary` as `len` bytes. Return 0 on success, or -1 if
- * the input does not consist of hex digits).
- */
-static int hex_to_bytes(unsigned char *binary, const char *hex, size_t len)
-{
- for (; len; len--, hex += 2) {
- unsigned int val = (hexval(hex[0]) << 4) | hexval(hex[1]);
-
- if (val & ~0xff)
- return -1;
- *binary++ = val;
- }
- return 0;
-}
-
static int non_note_cmp(const struct non_note *a, const struct non_note *b)
{
return strcmp(a->path, b->path);
--
2.15.0
