X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fcompiler%2Fblob.c;h=c89092e1cf3a98b0c2f9b9222cd23fd73e13d8df;hb=577c8d72882a909ae7d2c90d7c8250c77475f9a4;hp=f0fa85e5bebd07f04f203ca2af3ba0021fdd2190;hpb=6a41a52e625537d1072c4f605fb1ed651ac0b99d;p=mesa.git

diff --git a/src/compiler/blob.c b/src/compiler/blob.c
index f0fa85e5beb..c89092e1cf3 100644
--- a/src/compiler/blob.c
+++ b/src/compiler/blob.c
@@ -158,10 +158,10 @@ blob_write_bytes(struct blob *blob, const void *bytes, size_t to_write)
    return true;
 }
 
-ssize_t
+intptr_t
 blob_reserve_bytes(struct blob *blob, size_t to_write)
 {
-   ssize_t ret;
+   intptr_t ret;
 
    if (! grow_to_fit (blob, to_write))
       return -1;
@@ -172,14 +172,14 @@ blob_reserve_bytes(struct blob *blob, size_t to_write)
    return ret;
 }
 
-ssize_t
+intptr_t
 blob_reserve_uint32(struct blob *blob)
 {
    align_blob(blob, sizeof(uint32_t));
    return blob_reserve_bytes(blob, sizeof(uint32_t));
 }
 
-ssize_t
+intptr_t
 blob_reserve_intptr(struct blob *blob)
 {
    align_blob(blob, sizeof(intptr_t));
@@ -256,7 +256,7 @@ ensure_can_read(struct blob_reader *blob, size_t size)
    if (blob->overrun)
       return false;
 
-   if (blob->current < blob->end && blob->end - blob->current >= size)
+   if (blob->current <= blob->end && blob->end - blob->current >= size)
       return true;
 
    blob->overrun = true;
@@ -291,6 +291,13 @@ blob_copy_bytes(struct blob_reader *blob, void *dest, size_t size)
    memcpy(dest, bytes, size);
 }
 
+void
+blob_skip_bytes(struct blob_reader *blob, size_t size)
+{
+   if (ensure_can_read (blob, size))
+      blob->current += size;
+}
+
 /* These next three read functions have identical form. If we add any beyond
  * these first three we should probably switch to generating these with a
  * preprocessor macro.