2 files changed, 31 insertions, 0 deletions
diff --git a/libglusterfs/src/dict.c b/libglusterfs/src/dict.c
index 40f575d52d0..2ad1ae1abff 100644
--- a/libglusterfs/src/dict.c
+++ b/libglusterfs/src/dict.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <inttypes.h>
+#include <limits.h>
 
 #ifndef _CONFIG_H
 #define _CONFIG_H
@@ -1166,6 +1167,35 @@ data_to_uint16 (data_t *data)
         return strtol (str, NULL, 0);
 }
 
+uint8_t
+data_to_uint8 (data_t *data)
+{
+	uint32_t value = 0;
+
+        if (!data) {
+		gf_log_callingfn ("dict", GF_LOG_WARNING, "data is NULL");
+                return -1;
+	}
+
+        char *str = alloca (data->len + 1);
+        if (!str)
+                return -1;
+
+        memcpy (str, data->data, data->len);
+        str[data->len] = '\0';
+
+	errno = 0;
+	value = strtol (str, NULL, 0);
+
+	if ((UCHAR_MAX - value) < 0) {
+		errno = ERANGE;
+		gf_log_callingfn ("dict", GF_LOG_WARNING, "data conversion overflow detected (%s)", strerror(errno));
+		return -1;
+	}
+
+        return (uint8_t) value;
+}
+
 char *
 data_to_str (data_t *data)
 {
diff --git a/libglusterfs/src/dict.h b/libglusterfs/src/dict.h
index 121f84be5a6..c68c3af873b 100644
--- a/libglusterfs/src/dict.h
+++ b/libglusterfs/src/dict.h
@@ -110,6 +110,7 @@ int8_t data_to_int8 (data_t *data);
 uint64_t data_to_uint64 (data_t *data);
 uint32_t data_to_uint32 (data_t *data);
 uint16_t data_to_uint16 (data_t *data);
+uint8_t data_to_uint8 (data_t *data);
 
 data_t *data_from_ptr (void *value);
 data_t *data_from_static_ptr (void *value);