diff options
| author | Robin Watts <robin.watts@artifex.com> | 2012-01-31 17:58:34 +0000 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2012-01-31 18:01:37 +0000 |
| commit | 3e65ed4eb3a8aa8cd6375a7029ac3b61a35a1157 (patch) | |
| tree | 414965143f8ec0ca505e046847e2ea647e3e6149 /pdf/pdf_cmap.c | |
| parent | 0da4f606b85007f6c1bdfc9255ccef8307dabb11 (diff) | |
| download | mupdf-3e65ed4eb3a8aa8cd6375a7029ac3b61a35a1157.tar.xz | |
Fix big 692824: incorrect application of word space.
Word space should only be applied when the codepoint is 32, and
is read from a single byte encoding region. Ghostscript gets
this wrong too.
Diffstat (limited to 'pdf/pdf_cmap.c')
| -rw-r--r-- | pdf/pdf_cmap.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pdf/pdf_cmap.c b/pdf/pdf_cmap.c index 4430979c..587b82e2 100644 --- a/pdf/pdf_cmap.c +++ b/pdf/pdf_cmap.c @@ -483,11 +483,12 @@ pdf_lookup_cmap_full(pdf_cmap *cmap, int cpt, int *out) * multi-byte encoded string. */ unsigned char * -pdf_decode_cmap(pdf_cmap *cmap, unsigned char *buf, int *cpt) +pdf_decode_cmap(pdf_cmap *cmap, unsigned char *buf, int *cpt, int *w) { int k, n, c; c = 0; + *w = 0; for (n = 0; n < 4; n++) { c = (c << 8) | buf[n]; @@ -498,6 +499,7 @@ pdf_decode_cmap(pdf_cmap *cmap, unsigned char *buf, int *cpt) if (c >= cmap->codespace[k].low && c <= cmap->codespace[k].high) { *cpt = c; + *w = n + 1; return buf + n + 1; } } |