diff options
| -rw-r--r-- | tools/convbdf.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/convbdf.c b/tools/convbdf.c index 0bb2d07..d38790b 100644 --- a/tools/convbdf.c +++ b/tools/convbdf.c @@ -528,6 +528,11 @@ int bdf_read_bitmaps(FILE *fp, struct font* pf) maxwidth = width; pf->width[encoding-pf->firstchar] = width; + if(maxwidth > 16) { + fprintf(stderr, "Error: Too wide characters (>16 pixels)\n"); + return 0; + } + /* clear bitmap*/ memset(ch_bitmap, 0, BITMAP_BYTES(width) * pf->height); @@ -743,8 +748,7 @@ int rotleft(unsigned char *dst, bitmap_t *src, unsigned int width, src_mask >>= 1; /* next input bit */ if (src_mask == 0) /* input word done? */ { - src_mask = 1 << (sizeof (bitmap_t) * 8 - 1); - i++; /* next input word */ + continue; } } |