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authorMerov Linden <merov@lindenlab.com>2012-03-15 14:07:54 -0700
committerMerov Linden <merov@lindenlab.com>2012-03-15 14:07:54 -0700
commitfe7a4d0183bfb19784b61124ef4c377c9a5d42d2 (patch)
tree4b35c26ca6906f715fbd708696ac2e3d4881f815 /indra/llimage
parentbc6f669ff41db304723428746868d79d3f3b48da (diff)
SH-3047 : Add a load_size argument to llimage_libtest and allow partial image file to be loaded.
Diffstat (limited to 'indra/llimage')
-rw-r--r--indra/llimage/llimage.cpp15
-rw-r--r--indra/llimage/llimage.h2
2 files changed, 11 insertions, 6 deletions
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index 091e78e358..937655a22d 100644
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@@ -1562,7 +1562,7 @@ void LLImageFormatted::appendData(U8 *data, S32 size)
//----------------------------------------------------------------------------
-BOOL LLImageFormatted::load(const std::string &filename)
+BOOL LLImageFormatted::load(const std::string &filename, int load_size)
{
resetLastError();
@@ -1581,14 +1581,19 @@ BOOL LLImageFormatted::load(const std::string &filename)
return FALSE;
}
+ // Constrain the load size to acceptable values
+ if ((load_size == 0) || (load_size > file_size))
+ {
+ load_size = file_size;
+ }
BOOL res;
- U8 *data = allocateData(file_size);
- apr_size_t bytes_read = file_size;
+ U8 *data = allocateData(load_size);
+ apr_size_t bytes_read = load_size;
apr_status_t s = apr_file_read(apr_file, data, &bytes_read); // modifies bytes_read
- if (s != APR_SUCCESS || (S32) bytes_read != file_size)
+ if (s != APR_SUCCESS || (S32) bytes_read != load_size)
{
deleteData();
- setLastError("Unable to read entire file",filename);
+ setLastError("Unable to read file",filename);
res = FALSE;
}
else
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index 847ba8c11c..eba8362f1c 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -294,7 +294,7 @@ public:
// getRawDiscardLevel() by default returns mDiscardLevel, but may be overridden (LLImageJ2C)
virtual S8 getRawDiscardLevel() { return mDiscardLevel; }
- BOOL load(const std::string& filename);
+ BOOL load(const std::string& filename, int load_size = 0);
BOOL save(const std::string& filename);
virtual BOOL updateData() = 0; // pure virtual