Add rpmtdFromUint8()

- handles CHAR, INT8 and BIN types

lib/rpmtd.c

@@ -276,6 +276,33 @@ static inline int rpmtdSet(rpmtd td, rpmTag tag, rpmTagType type,
     return 1;
 }
 
+int rpmtdFromUint8(rpmtd td, rpmTag tag, uint8_t *data, rpm_count_t count)
+{
+    rpmTagType type = rpmTagGetType(tag) & RPM_MASK_TYPE;
+    rpmTagReturnType retype = rpmTagGetType(tag) & RPM_MASK_RETURN_TYPE;
+    
+    if (count < 1)
+	return 0;
+
+    /*
+     * BIN type is really just an uint8_t array internally, it's just
+     * treated specially otherwise.
+     */
+    switch (type) {
+    case RPM_CHAR_TYPE:
+    case RPM_INT8_TYPE:
+	if (retype != RPM_ARRAY_RETURN_TYPE && count > 1) 
+	    return 0;
+	/* fallthrough */
+    case RPM_BIN_TYPE:
+	break;
+    default:
+	return 0;
+    }
+    
+    return rpmtdSet(td, tag, type, data, count);
+}
+
 int rpmtdFromUint16(rpmtd td, rpmTag tag, uint16_t *data, rpm_count_t count)
 {
     rpmTagType type = rpmTagGetType(tag) & RPM_MASK_TYPE;

lib/rpmtd.h

@@ -215,6 +215,19 @@ char *rpmtdFormat(rpmtd td, rpmtdFormats fmt, const char *errmsg);
  */
 int rpmtdSetTag(rpmtd td, rpmTag tag);
 
+/** \ingroup rpmtd
+ * Construct tag container from uint8_t pointer.
+ * Tag type is checked to be of compatible type (CHAR, INT8 or BIN). 
+ * For non-array types (BIN is a special case of INT8 array) 
+ * count must be exactly 1.
+ * @param td		Tag data container
+ * @param tag		Rpm tag to construct
+ * @param data		Pointer to uint8_t (value or array)
+ * @param count		Number of entries
+ * @return		1 on success, 0 on error (eg wrong type)
+ */
+int rpmtdFromUint8(rpmtd td, rpmTag tag, uint8_t *data, rpm_count_t count);
+
 /** \ingroup rpmtd
  * Construct tag container from uint16_t pointer.
  * Tag type is checked to be of INT16 type. For non-array types count