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Diffstat (limited to 'ext/standard/image.c')
-rw-r--r--ext/standard/image.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/ext/standard/image.c b/ext/standard/image.c
index 02246c6268..f1910d2191 100644
--- a/ext/standard/image.c
+++ b/ext/standard/image.c
@@ -365,8 +365,8 @@ static unsigned short php_read2(php_stream * stream TSRMLS_DC)
{
unsigned char a[2];
- /* just return 0 if we hit the end-of-file */
- if((php_stream_read(stream, a, sizeof(a))) <= 0) return 0;
+ /* return 0 if we couldn't read enough data */
+ if((php_stream_read(stream, a, sizeof(a))) < sizeof(a)) return 0;
return (((unsigned short)a[0]) << 8) + ((unsigned short)a[1]);
}
@@ -646,7 +646,7 @@ static struct gfxinfo *php_handle_jpc(php_stream * stream TSRMLS_DC)
#endif
result->channels = php_read2(stream TSRMLS_CC); /* Csiz */
- if (result->channels < 0 || result->channels > 256) {
+ if (result->channels == 0 && php_stream_eof(stream) || result->channels > 256) {
efree(result);
return NULL;
}