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authormidipix <writeonce@midipix.org>2024-04-27 19:48:23 +0000
committermidipix <writeonce@midipix.org>2024-04-27 20:21:10 +0000
commit3f97b6f6c344500e0005063d1580afdb32c333e4 (patch)
tree6565a73cf488b9e0f5f76ad74c98df75e7e21aee /src/internal
parent94cf00515f7abf57abafb091a64a32cda2fab7c6 (diff)
downloadmdso-3f97b6f6c344500e0005063d1580afdb32c333e4.tar.bz2
mdso-3f97b6f6c344500e0005063d1580afdb32c333e4.tar.xz
mdso_create_implib_objects(): eliminate the use of sprintf().
Diffstat (limited to 'src/internal')
-rw-r--r--src/internal/mdso_hexfmt_impl.c35
-rw-r--r--src/internal/mdso_hexfmt_impl.h14
2 files changed, 49 insertions, 0 deletions
diff --git a/src/internal/mdso_hexfmt_impl.c b/src/internal/mdso_hexfmt_impl.c
new file mode 100644
index 0000000..33d337b
--- /dev/null
+++ b/src/internal/mdso_hexfmt_impl.c
@@ -0,0 +1,35 @@
+/****************************************************************/
+/* mdso: midipix dso scavenger */
+/* Copyright (C) 2015--2024 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */
+/****************************************************************/
+
+#include <stdint.h>
+
+char buf[256] = {0};
+
+static unsigned char mdso_hexfmt[16] = {
+ '0','1','2','3','4','5','6','7',
+ '8','9','a','b','c','d','e','f',
+};
+
+void mdso_write_hex_64(char * ch, uint64_t val)
+{
+ ch[0xf] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0xe] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0xd] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0xc] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0xb] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0xa] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x9] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x8] = mdso_hexfmt[val % 16]; val >>= 4;
+
+ ch[0x7] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x6] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x5] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x4] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x3] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x2] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x1] = mdso_hexfmt[val % 16]; val >>= 4;
+ ch[0x0] = mdso_hexfmt[val % 16]; val >>= 4;
+}
diff --git a/src/internal/mdso_hexfmt_impl.h b/src/internal/mdso_hexfmt_impl.h
new file mode 100644
index 0000000..1ad74d1
--- /dev/null
+++ b/src/internal/mdso_hexfmt_impl.h
@@ -0,0 +1,14 @@
+/****************************************************************/
+/* mdso: midipix dso scavenger */
+/* Copyright (C) 2015--2024 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */
+/****************************************************************/
+
+#ifndef MDSO_HEXFMT_IMPL_H
+#define MDSO_HEXFMT_IMPL_H
+
+#include <stdint.h>
+
+void mdso_write_hex_64(char * ch, uint64_t val);
+
+#endif