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-rw-r--r--src/lib/hex-dec.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/lib/hex-dec.h b/src/lib/hex-dec.h
new file mode 100644
index 0000000..33e87bb
--- /dev/null
+++ b/src/lib/hex-dec.h
@@ -0,0 +1,12 @@
+#ifndef HEX_DEC_H
+#define HEX_DEC_H
+
+#define DEC2HEX(hexstr, str) \
+ dec2hex(hexstr, str, sizeof(hexstr))
+
+/* Decimal -> hex string translation. The result isn't NUL-terminated. */
+void dec2hex(unsigned char *hexstr, uintmax_t dec, unsigned int hexstr_size);
+/* Parses hex string and returns its decimal value, or 0 in case of errors */
+uintmax_t hex2dec(const unsigned char *data, unsigned int len) ATTR_PURE;
+
+#endif