src/fcfreetype.c | 32 +++++++++++++++++++--------- src/fchash.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/fcint.h | 4 +++ 3 files changed, 88 insertions(+), 10 deletions(-) New commits: commit 03216ccf4ca0808f9c7b9513efcaeb7f4058b575 Author: Akira TAGOH <akira@xxxxxxxxx> Date: Wed Apr 10 18:41:22 2013 +0900 Bug 63329 - make check fails: .. contents:: :depth: 2 Add back FcHashGetSHA256DigestFromFile() and fall back to it when font isn't SFNT-based font because FT_Load_Sfnt_Table fails with FT_Err_Invalid_Face_Handle. diff --git a/src/fcfreetype.c b/src/fcfreetype.c index 22064b3..5e8990d 100644 --- a/src/fcfreetype.c +++ b/src/fcfreetype.c @@ -1666,17 +1666,29 @@ FcFreeTypeQueryFace (const FT_Face face, goto bail1; err = FT_Load_Sfnt_Table (face, 0, 0, NULL, &len); - if (err != FT_Err_Ok) - goto bail1; - alen = (len + 63) & ~63; - fontdata = malloc (alen); - if (!fontdata) - goto bail1; - err = FT_Load_Sfnt_Table (face, 0, 0, (FT_Byte *)fontdata, &len); - if (err != FT_Err_Ok) + if (err == FT_Err_Ok) + { + alen = (len + 63) & ~63; + fontdata = malloc (alen); + if (!fontdata) + goto bail1; + err = FT_Load_Sfnt_Table (face, 0, 0, (FT_Byte *)fontdata, &len); + if (err != FT_Err_Ok) + goto bail1; + memset (&fontdata[len], 0, alen - len); + hashstr = FcHashGetSHA256DigestFromMemory (fontdata, len); + } + else if (err == FT_Err_Invalid_Face_Handle) + { + /* font may not support SFNT. falling back to + * read the font data from file directly + */ + hashstr = FcHashGetSHA256DigestFromFile (file); + } + else + { goto bail1; - memset (&fontdata[len], 0, alen - len); - hashstr = FcHashGetSHA256DigestFromMemory (fontdata, len); + } if (!hashstr) goto bail1; if (!FcPatternAddString (pat, FC_HASH, hashstr)) diff --git a/src/fchash.c b/src/fchash.c index 1ef1e16..92585a6 100644 --- a/src/fchash.c +++ b/src/fchash.c @@ -204,6 +204,68 @@ FcHashGetSHA256Digest (const FcChar8 *input_strings, } FcChar8 * +FcHashGetSHA256DigestFromFile (const FcChar8 *filename) +{ + FILE *fp = fopen ((const char *)filename, "rb"); + char ibuf[64]; + FcChar32 *ret; + size_t len; + struct stat st; + + if (!fp) + return NULL; + + if (FcStat (filename, &st)) + goto bail0; + + ret = FcHashInitSHA256Digest (); + if (!ret) + goto bail0; + + while (!feof (fp)) + { + if ((len = fread (ibuf, sizeof (char), 64, fp)) < 64) + { + long v; + + /* add a padding */ + memset (&ibuf[len], 0, 64 - len); + ibuf[len] = 0x80; + if ((64 - len) < 9) + { + /* process a block once */ + FcHashComputeSHA256Digest (ret, ibuf); + memset (ibuf, 0, 64); + } + /* set input size at the end */ + v = (long)st.st_size * 8; + ibuf[63 - 0] = v & 0xff; + ibuf[63 - 1] = (v >> 8) & 0xff; + ibuf[63 - 2] = (v >> 16) & 0xff; + ibuf[63 - 3] = (v >> 24) & 0xff; + ibuf[63 - 4] = (v >> 32) & 0xff; + ibuf[63 - 5] = (v >> 40) & 0xff; + ibuf[63 - 6] = (v >> 48) & 0xff; + ibuf[63 - 7] = (v >> 56) & 0xff; + FcHashComputeSHA256Digest (ret, ibuf); + break; + } + else + { + FcHashComputeSHA256Digest (ret, ibuf); + } + } + fclose (fp); + + return FcHashSHA256ToString (ret); + +bail0: + fclose (fp); + + return NULL; +} + +FcChar8 * FcHashGetSHA256DigestFromMemory (const char *fontdata, size_t length) { diff --git a/src/fcint.h b/src/fcint.h index a662dbf..8919958 100644 --- a/src/fcint.h +++ b/src/fcint.h @@ -818,6 +818,10 @@ FcFontSetSerialize (FcSerialize *serialize, const FcFontSet * s); FcPrivate FcChar8 * FcHashGetSHA256Digest (const FcChar8 *input_strings, size_t len); + +FcPrivate FcChar8 * +FcHashGetSHA256DigestFromFile (const FcChar8 *filename); + FcPrivate FcChar8 * FcHashGetSHA256DigestFromMemory (const char *fontdata, size_t length); _______________________________________________ Fontconfig mailing list Fontconfig@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/fontconfig