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-rw-r--r--src/iem_image.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/iem_image.c b/src/iem_image.c
index 74a98f4..ac2c652 100644
--- a/src/iem_image.c
+++ b/src/iem_image.c
@@ -38,6 +38,7 @@ static t_symbol *iem_image_calc_size(t_iem_image *x)
char *c;
int fd;
FILE *fh;
+ size_t items;
if(!x->x_gifsym || !x->x_gifsym->s_name)
{
@@ -69,8 +70,9 @@ static t_symbol *iem_image_calc_size(t_iem_image *x)
}
else
{
- if(fread(buf, 22, sizeof(unsigned char), fh) < 22){
- post("iem_image-ERROR: can not read header in %s ", namebuf);
+ items=fread(buf, 22, sizeof(unsigned char), fh);
+ if((items < 1)||(strlen((char*)buf)<7)) {
+ post("iem_image-ERROR: can not read header in %s, only %d items read: %s.", namebuf, strlen((char*)buf), (char*) buf);
x->x_gifsym = (t_symbol *)0;
return((t_symbol *)0);
};