vector stb_image: + fseek() error handling.

Shutdown code static analizer report...

Change-Id: I389049eb958b7c5d47435115343854af3527ec31

diff --git a/src/vector/stb/stb_image.h b/src/vector/stb/stb_image.h
index b158e30..aa58412 100644 (file)
--- a/src/vector/stb/stb_image.h
+++ b/src/vector/stb/stb_image.h
@@ -728,6 +728,26 @@ static void stbi__start_callbacks(stbi__context *s, stbi_io_callbacks *c, void *
    s->img_buffer_original_end = s->img_buffer_end;
 }
 
+// this is not threadsafe
+static const char *stbi__g_failure_reason;
+
+STBIDEF const char *stbi_failure_reason(void)
+{
+   return stbi__g_failure_reason;
+}
+
+static int stbi__err(const char *str)
+{
+   stbi__g_failure_reason = str;
+   return 0;
+}
+
+static void *stbi__malloc(size_t size)
+{
+    return STBI_MALLOC(size);
+}
+
+
 #ifndef STBI_NO_STDIO
 
 static int stbi__stdio_read(void *user, char *data, int size)
@@ -737,7 +757,8 @@ static int stbi__stdio_read(void *user, char *data, int size)
 
 static void stbi__stdio_skip(void *user, int n)
 {
-   fseek((FILE*) user, n, SEEK_CUR);
+   if (fseek((FILE*) user, n, SEEK_CUR) == -1)
+      stbi__err("fseek() error");
 }
 
 static int stbi__stdio_eof(void *user)
@@ -840,25 +861,6 @@ static void    *stbi__pnm_load(stbi__context *s, int *x, int *y, int *comp, int
 static int      stbi__pnm_info(stbi__context *s, int *x, int *y, int *comp);
 #endif
 
-// this is not threadsafe
-static const char *stbi__g_failure_reason;
-
-STBIDEF const char *stbi_failure_reason(void)
-{
-   return stbi__g_failure_reason;
-}
-
-static int stbi__err(const char *str)
-{
-   stbi__g_failure_reason = str;
-   return 0;
-}
-
-static void *stbi__malloc(size_t size)
-{
-    return STBI_MALLOC(size);
-}
-
 // stb_image uses ints pervasively, including for offset calculations.
 // therefore the largest decoded image size we can support with the
 // current code, even on 64-bit targets, is INT_MAX. this is not a