hex-ll: separate out non-hash-algo functions
In order to further reduce all-in-one headers, separate out functions in hex.h that do not operate on object hashes into its own file, hex-ll.h, and update the include directives in the .c files that need only such functions accordingly. Signed-off-by: Calvin Wan <calvinwan@google.com> Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Calvin Wan committed
Sep 29, 2023 at 14:20 UTC
d88e8106e892109f4f4b13312dd026d0a7fcfeec
10 files changed
+83
-75
Makefile
+1
index 5776309365..861e643708 100644
--- a/Makefile
+++ b/Makefile
@@ -1040,6 +1040,7 @@ LIB_OBJS += hash-lookup.o
LIB_OBJS += hashmap.o
LIB_OBJS += help.o
LIB_OBJS += hex.o
+LIB_OBJS += hex-ll.o
LIB_OBJS += hook.o
LIB_OBJS += ident.o
LIB_OBJS += json-writer.o
color.c
+1
-1
index b24b19566b..f663c06ac4 100644
--- a/color.c
+++ b/color.c
@@ -3,7 +3,7 @@
#include "color.h"
#include "editor.h"
#include "gettext.h"
-#include "hex.h"
+#include "hex-ll.h"
#include "pager.h"
#include "strbuf.h"
hex-ll.c
+49
new file mode 100644
index 0000000000..4d7ece1de5
--- /dev/null
+++ b/hex-ll.c
@@ -0,0 +1,49 @@
+#include "git-compat-util.h"
+#include "hex-ll.h"
+
+const signed char hexval_table[256] = {
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 00-07 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 08-0f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 10-17 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 18-1f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 20-27 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 28-2f */
+ 0, 1, 2, 3, 4, 5, 6, 7, /* 30-37 */
+ 8, 9, -1, -1, -1, -1, -1, -1, /* 38-3f */
+ -1, 10, 11, 12, 13, 14, 15, -1, /* 40-47 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 48-4f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 50-57 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 58-5f */
+ -1, 10, 11, 12, 13, 14, 15, -1, /* 60-67 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 68-67 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 70-77 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 78-7f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 80-87 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 88-8f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 90-97 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* 98-9f */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* a0-a7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* a8-af */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* b0-b7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* b8-bf */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* c0-c7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* c8-cf */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* d0-d7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* d8-df */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* e0-e7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* e8-ef */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* f0-f7 */
+ -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;
+}
hex-ll.h
+27
new file mode 100644
index 0000000000..a381fa8556
--- /dev/null
+++ b/hex-ll.h
@@ -0,0 +1,27 @@
+#ifndef HEX_LL_H
+#define HEX_LL_H
+
+extern const signed char hexval_table[256];
+static inline unsigned int hexval(unsigned char c)
+{
+ return hexval_table[c];
+}
+
+/*
+ * Convert two consecutive hexadecimal digits into a char. Return a
+ * negative value on error. Don't run over the end of short strings.
+ */
+static inline int hex2chr(const char *s)
+{
+ unsigned int val = hexval(s[0]);
+ return (val & ~0xf) ? val : (val << 4) | hexval(s[1]);
+}
+
+/*
+ * 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).
+ */
+int hex_to_bytes(unsigned char *binary, const char *hex, size_t len);
+
+#endif
hex.c
-47
index 01f17fe5c9..d42262bdca 100644
--- a/hex.c
+++ b/hex.c
@@ -2,53 +2,6 @@
#include "hash.h"
#include "hex.h"
-const signed char hexval_table[256] = {
- -1, -1, -1, -1, -1, -1, -1, -1, /* 00-07 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 08-0f */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 10-17 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 18-1f */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 20-27 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 28-2f */
- 0, 1, 2, 3, 4, 5, 6, 7, /* 30-37 */
- 8, 9, -1, -1, -1, -1, -1, -1, /* 38-3f */
- -1, 10, 11, 12, 13, 14, 15, -1, /* 40-47 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 48-4f */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 50-57 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 58-5f */
- -1, 10, 11, 12, 13, 14, 15, -1, /* 60-67 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 68-67 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 70-77 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 78-7f */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 80-87 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 88-8f */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 90-97 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* 98-9f */
- -1, -1, -1, -1, -1, -1, -1, -1, /* a0-a7 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* a8-af */
- -1, -1, -1, -1, -1, -1, -1, -1, /* b0-b7 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* b8-bf */
- -1, -1, -1, -1, -1, -1, -1, -1, /* c0-c7 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* c8-cf */
- -1, -1, -1, -1, -1, -1, -1, -1, /* d0-d7 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* d8-df */
- -1, -1, -1, -1, -1, -1, -1, -1, /* e0-e7 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* e8-ef */
- -1, -1, -1, -1, -1, -1, -1, -1, /* f0-f7 */
- -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;
-}
-
static int get_hash_hex_algop(const char *hex, unsigned char *hash,
const struct git_hash_algo *algop)
{
hex.h
+1
-23
index 87abf66602..e0b83f776f 100644
--- a/hex.h
+++ b/hex.h
@@ -2,22 +2,7 @@
#define HEX_H
#include "hash-ll.h"
-
-extern const signed char hexval_table[256];
-static inline unsigned int hexval(unsigned char c)
-{
- return hexval_table[c];
-}
-
-/*
- * Convert two consecutive hexadecimal digits into a char. Return a
- * negative value on error. Don't run over the end of short strings.
- */
-static inline int hex2chr(const char *s)
-{
- unsigned int val = hexval(s[0]);
- return (val & ~0xf) ? val : (val << 4) | hexval(s[1]);
-}
+#include "hex-ll.h"
/*
* Try to read a hash (specified by the_hash_algo) in hexadecimal
@@ -34,13 +19,6 @@ int get_oid_hex(const char *hex, struct object_id *oid);
/* Like get_oid_hex, but for an arbitrary hash algorithm. */
int get_oid_hex_algop(const char *hex, struct object_id *oid, const struct git_hash_algo *algop);
-/*
- * 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).
- */
-int hex_to_bytes(unsigned char *binary, const char *hex, size_t len);
-
/*
* Convert a binary hash in "unsigned char []" or an object name in
* "struct object_id *" to its hex equivalent. The `_r` variant is reentrant,
mailinfo.c
+1
-1
index 931505363c..a07d2da16d 100644
--- a/mailinfo.c
+++ b/mailinfo.c
@@ -1,7 +1,7 @@
#include "git-compat-util.h"
#include "config.h"
#include "gettext.h"
-#include "hex.h"
+#include "hex-ll.h"
#include "utf8.h"
#include "strbuf.h"
#include "mailinfo.h"
strbuf.c
+1
-1
index 4c9ac6dc5e..7827178d8e 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -1,6 +1,6 @@
#include "git-compat-util.h"
#include "gettext.h"
-#include "hex.h"
+#include "hex-ll.h"
#include "strbuf.h"
#include "string-list.h"
#include "utf8.h"
url.c
+1
-1
index 2e1a9f6fee..282b12495a 100644
--- a/url.c
+++ b/url.c
@@ -1,5 +1,5 @@
#include "git-compat-util.h"
-#include "hex.h"
+#include "hex-ll.h"
#include "strbuf.h"
#include "url.h"
urlmatch.c
+1
-1
index 1c45f23adf..1d0254abac 100644
--- a/urlmatch.c
+++ b/urlmatch.c
@@ -1,6 +1,6 @@
#include "git-compat-util.h"
#include "gettext.h"
-#include "hex.h"
+#include "hex-ll.h"
#include "strbuf.h"
#include "urlmatch.h"