Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/lib/hex-dec.c b/src/lib/hex-dec.c
new file mode 100644
index 0000000..1c68001
--- /dev/null
+++ b/src/lib/hex-dec.c
@@ -0,0 +1,38 @@
+/* Copyright (c) 2005-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "hex-dec.h"
+
+void dec2hex(unsigned char *hexstr, uintmax_t dec, unsigned int hexstr_size)
+{
+	unsigned int i;
+
+	for (i = 0; i < hexstr_size; i++) {
+		unsigned int value = dec & 0x0f;
+		if (value < 10)
+			hexstr[hexstr_size-i-1] = value + '0';
+		else
+			hexstr[hexstr_size-i-1] = value - 10 + 'A';
+		dec >>= 4;
+	}
+}
+
+uintmax_t hex2dec(const unsigned char *data, unsigned int len)
+{
+	unsigned int i;
+	uintmax_t value = 0;
+
+	for (i = 0; i < len; i++) {
+		value = value*0x10;
+		if (data[i] >= '0' && data[i] <= '9')
+			value += data[i]-'0';
+		else if (data[i] >= 'A' && data[i] <= 'F')
+			value += data[i]-'A' + 10;
+		else if (data[i] >= 'a' && data[i] <= 'f')
+			value += data[i]-'a' + 10;
+		else
+			return 0;
+	}
+	return value;
+}
+