libelwix/src/pack.c - diff

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-version 1.6.2.1, 2014/02/11 13:25:09
+version 1.6.2.2, 2014/02/13 14:58:55
  Line 504  rpack_ruint64(rpack_t * __restrict rp, uint64_t * __re
          rp->r_next += sizeof(uint64_t);
          return u;
  }
+ /*
+  * rpack_next() - Get and set current position
+  *
+  * @rp = raw packet
+  * @after_len = !=0 move current position after length
+  * return: NULL error or current position
+  */
+ uint8_t *
+ rpack_next(rpack_t * __restrict rp, size_t after_len)
+ {
+         uint8_t *next = NULL;
+         if (!RPACK_SANITY(rp))
+                 return NULL;
+         /* No space left */
+         if (after_len + rp->r_next - rp->r_buf > rp->r_len)
+                 return NULL;
+         next = rp->r_next;
+         rp->r_next += after_len;
+         return next;
+ }