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authorJannis Hoffmann <jannis@fehcom.de>2024-07-09 13:58:20 +0200
committerJannis Hoffmann <jannis@fehcom.de>2024-07-09 13:58:20 +0200
commit249866e3d1e11dc72eaa1305f4bb479ded92ef38 (patch)
tree7118c5f58e29fe61c100e4d067bb90ba8d52589e /src/uint64p.c
parent96cf8dffe4f7b0b910f790066ae622dc429eb522 (diff)
reorganized file structure
Moved c files into src/. Corrected VERSION file. Removed BUILD and FILES.
Diffstat (limited to 'src/uint64p.c')
-rw-r--r--src/uint64p.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/uint64p.c b/src/uint64p.c
new file mode 100644
index 0000000..41b8ceb
--- /dev/null
+++ b/src/uint64p.c
@@ -0,0 +1,62 @@
+#include "uint_t.h"
+
+/**
+ @file uint64p.c
+ @author feh, jannis
+ @source djbdns6
+ @brief packing/unpacking 64 bit integer to/from char string
+*/
+
+void uint64_pack(char s[8],uint64 u)
+{
+ s[0] = u & 255; u >>= 8;
+ s[1] = u & 255; u >>= 8;
+ s[2] = u & 255; u >>= 8;
+ s[3] = u & 255; u >>= 8;
+ s[4] = u & 255; u >>= 8;
+ s[5] = u & 255; u >>= 8;
+ s[6] = u & 255; u >>= 8;
+ s[7] = u & 255;
+}
+void uint64_pack_big(char s[8],uint64 u)
+{
+ s[7] = u & 255; u >>= 8;
+ s[6] = u & 255; u >>= 8;
+ s[5] = u & 255; u >>= 8;
+ s[4] = u & 255; u >>= 8;
+ s[3] = u & 255; u >>= 8;
+ s[2] = u & 255; u >>= 8;
+ s[1] = u & 255; u >>= 8;
+ s[0] = u & 255;
+}
+
+void uint64_unpack(char s[8],uint64 *u)
+{
+ uint64 result;
+
+ result = (unsigned char) s[7]; result <<= 8;
+ result += (unsigned char) s[6]; result <<= 8;
+ result += (unsigned char) s[5]; result <<= 8;
+ result += (unsigned char) s[4]; result <<= 8;
+ result += (unsigned char) s[3]; result <<= 8;
+ result += (unsigned char) s[2]; result <<= 8;
+ result += (unsigned char) s[1]; result <<= 8;
+ result += (unsigned char) s[0];
+
+ *u = result;
+}
+void uint64_unpack_big(char s[8],uint64 *u)
+{
+ uint64 result;
+
+ result = (unsigned char) s[0]; result <<= 8;
+ result += (unsigned char) s[1]; result <<= 8;
+ result += (unsigned char) s[2]; result <<= 8;
+ result += (unsigned char) s[3]; result <<= 8;
+ result += (unsigned char) s[4]; result <<= 8;
+ result += (unsigned char) s[5]; result <<= 8;
+ result += (unsigned char) s[6]; result <<= 8;
+ result += (unsigned char) s[7];
+
+ *u = result;
+}