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| author | Tor Andersson <tor.andersson@artifex.com> | 2015-09-14 12:03:54 +0200 |
|---|---|---|
| committer | Tor Andersson <tor.andersson@artifex.com> | 2015-09-14 16:31:00 +0200 |
| commit | 2d3a7fefffb26949c0103429c5eb151e93c0ecef (patch) | |
| tree | 38d5642cd8004e5c175772bc6d100201df7fe147 /source | |
| parent | 3af324c153f68455c82e9be4ac8bce67315f8fd8 (diff) | |
| download | mupdf-2d3a7fefffb26949c0103429c5eb151e93c0ecef.tar.xz | |
Fix truncation bug when comparing EOF to uint16_t values.
Diffstat (limited to 'source')
| -rw-r--r-- | source/fitz/stream-read.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/source/fitz/stream-read.c b/source/fitz/stream-read.c index 927addb0..80091046 100644 --- a/source/fitz/stream-read.c +++ b/source/fitz/stream-read.c @@ -188,9 +188,9 @@ fz_read_file(fz_context *ctx, const char *filename) uint16_t fz_read_uint16(fz_context *ctx, fz_stream *stm) { - uint16_t a = fz_read_byte(ctx, stm); - uint16_t b = fz_read_byte(ctx, stm); - uint16_t x = (a<<8) | (b); + uint32_t a = fz_read_byte(ctx, stm); + uint32_t b = fz_read_byte(ctx, stm); + uint32_t x = (a<<8) | (b); if (a == EOF || b == EOF) fz_throw(ctx, FZ_ERROR_GENERIC, "premature end of file in int16"); return x; @@ -237,9 +237,9 @@ uint64_t fz_read_uint64(fz_context *ctx, fz_stream *stm) uint16_t fz_read_uint16_le(fz_context *ctx, fz_stream *stm) { - uint16_t a = fz_read_byte(ctx, stm); - uint16_t b = fz_read_byte(ctx, stm); - uint16_t x = (a) | (b<<8); + uint32_t a = fz_read_byte(ctx, stm); + uint32_t b = fz_read_byte(ctx, stm); + uint32_t x = (a) | (b<<8); if (a == EOF || b == EOF) fz_throw(ctx, FZ_ERROR_GENERIC, "premature end of file in int16"); return x; |