qxl: add io_port_to_string

[qemu.git] / cutils.c

diff --git a/cutils.c b/cutils.c
index 369a01687575945dfddadf27a34e7b1d767f37f1..f9a7e3689e04605beebabef940f280e1a8fca572 100644 (file)
--- a/cutils.c
+++ b/cutils.c
@@ -267,6 +267,37 @@ void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count)
     }
 }
 
+void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count,
+                            size_t skip)
+{
+    int i;
+    size_t done;
+    void *iov_base;
+    uint64_t iov_len;
+
+    done = 0;
+    for (i = 0; (i < qiov->niov) && (done != count); i++) {
+        if (skip >= qiov->iov[i].iov_len) {
+            /* Skip the whole iov */
+            skip -= qiov->iov[i].iov_len;
+            continue;
+        } else {
+            /* Skip only part (or nothing) of the iov */
+            iov_base = (uint8_t*) qiov->iov[i].iov_base + skip;
+            iov_len = qiov->iov[i].iov_len - skip;
+            skip = 0;
+        }
+
+        if (done + iov_len > count) {
+            memset(iov_base, c, count - done);
+            break;
+        } else {
+            memset(iov_base, c, iov_len);
+        }
+        done += iov_len;
+    }
+}
+
 #ifndef _WIN32
 /* Sets a specific flag */
 int fcntl_setfl(int fd, int flag)
@@ -324,26 +355,26 @@ int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix)
         }
     }
     switch (qemu_toupper(d)) {
-    case 'B':
+    case STRTOSZ_DEFSUFFIX_B:
         mul = 1;
         if (mul_required) {
             goto fail;
         }
         break;
-    case 'K':
+    case STRTOSZ_DEFSUFFIX_KB:
         mul = 1 << 10;
         break;
     case 0:
         if (mul_required) {
             goto fail;
         }
-    case 'M':
+    case STRTOSZ_DEFSUFFIX_MB:
         mul = 1ULL << 20;
         break;
-    case 'G':
+    case STRTOSZ_DEFSUFFIX_GB:
         mul = 1ULL << 30;
         break;
-    case 'T':
+    case STRTOSZ_DEFSUFFIX_TB:
         mul = 1ULL << 40;
         break;
     default: