Fix tests based on coverity reports (#819)

* Partial #818, unused arg

* Partial #818, init var

* partail #818, fix va_args usage

* partail #818, handle f* calls and avoid possible call to malloc with negative values

* partail #818, prevent double free

* partail #818, resource leak if test fail

* partail #818, null deref fix

* partail #818, avoid double free on fp failure

* Partial #818, fix error msg

* Partial #818, leak on error

* Partial #818, null deref

* Partial #818, avoid possible negative index on failure

* partial #818, does not free if we return if requested new size overflow

* partial #818, avoid double free, free where the alloc happened

1 files changed, 7 insertions, 1 deletions

diff --git a/tests/tga/bug00084.c b/tests/tga/bug00084.c
index 7d4ca92..3cf0710 100644
--- a/tests/tga/bug00084.c
+++ b/tests/tga/bug00084.c
@@ -7,7 +7,13 @@ int main()
 {
     gdImagePtr im;
     FILE *fp = gdTestFileOpen("tga/bug00084.tga");
+    if (gdTestAssert(fp == NULL)) {
+        return 1;
+    }
     im = gdImageCreateFromTga(fp);
-	gdImageDestroy(im);
+    fclose(fp);
+    if (gdTestAssert(im != NULL)) {
+        gdImageDestroy(im);
+    }
     return 0;
 }