forked from minhngoc25a/freetype2
[bdf] Add more error messages.
* src/bdf/bdflib.c (_bdf_set_default_spacing, _bdf_add_property): Add line number argument. Update all callers. (ERRMSG5, ERRMSG6, ERRMSG7, ERRMSG8, ERRMSG9): New macros. (_bdf_readstream, _bdf_set_default_spacing, _bdf_add_property, _bdf_parse_glyphs, _bdf_parse_start): Add error messages.
This commit is contained in:
Werner Lemberg
parent
fd905c02dd
commit
e01406bb91
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2011-11-25 Werner Lemberg <wl@gnu.org>
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[bdf] Add more error messages.
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* src/bdf/bdflib.c (_bdf_set_default_spacing, _bdf_add_property):
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Add line number argument.
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Update all callers.
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(ERRMSG5, ERRMSG6, ERRMSG7, ERRMSG8, ERRMSG9): New macros.
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(_bdf_readstream, _bdf_set_default_spacing, _bdf_add_property,
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_bdf_parse_glyphs, _bdf_parse_start): Add error messages.
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2011-11-24 Werner Lemberg <wl@gnu.org>
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* include/freetype/fterrors.h: Remove dead code.
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131
src/bdf/bdflib.c
131
src/bdf/bdflib.c
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@ -169,6 +169,38 @@
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sizeof ( _bdf_properties[0] );
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/* Auto correction messages. */
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#define ACMSG1 "FONT_ASCENT property missing. " \
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"Added `FONT_ASCENT %hd'.\n"
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#define ACMSG2 "FONT_DESCENT property missing. " \
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"Added `FONT_DESCENT %hd'.\n"
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#define ACMSG3 "Font width != actual width. Old: %hd New: %hd.\n"
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#define ACMSG4 "Font left bearing != actual left bearing. " \
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"Old: %hd New: %hd.\n"
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#define ACMSG5 "Font ascent != actual ascent. Old: %hd New: %hd.\n"
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#define ACMSG6 "Font descent != actual descent. Old: %hd New: %hd.\n"
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#define ACMSG7 "Font height != actual height. Old: %hd New: %hd.\n"
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#define ACMSG8 "Glyph scalable width (SWIDTH) adjustments made.\n"
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#define ACMSG9 "SWIDTH field missing at line %ld. Set automatically.\n"
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#define ACMSG10 "DWIDTH field missing at line %ld. Set to glyph width.\n"
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#define ACMSG11 "SIZE bits per pixel field adjusted to %hd.\n"
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#define ACMSG12 "Duplicate encoding %ld (%s) changed to unencoded.\n"
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#define ACMSG13 "Glyph %ld extra rows removed.\n"
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#define ACMSG14 "Glyph %ld extra columns removed.\n"
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#define ACMSG15 "Incorrect glyph count: %ld indicated but %ld found.\n"
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/* Error messages. */
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#define ERRMSG1 "[line %ld] Missing `%s' line.\n"
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#define ERRMSG2 "[line %ld] Font header corrupted or missing fields.\n"
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#define ERRMSG3 "[line %ld] Font glyphs corrupted or missing fields.\n"
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#define ERRMSG4 "[line %ld] BBX too big.\n"
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#define ERRMSG5 "[line %ld] `%s' value too big.\n"
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#define ERRMSG6 "[line %ld] Input line too long.\n"
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#define ERRMSG7 "[line %ld] Font name too long.\n"
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#define ERRMSG8 "[line %ld] Invalid `%s' value.\n"
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#define ERRMSG9 "[line %ld] Invalid keyword.\n"
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/*************************************************************************/
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/* */
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/* Hash table utilities for the properties. */
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@ -687,6 +719,7 @@
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if ( buf_size >= 65536UL ) /* limit ourselves to 64KByte */
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{
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FT_ERROR(( "_bdf_readstream: " ERRMSG6, lineno ));
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error = BDF_Err_Invalid_Argument;
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goto Exit;
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}
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@ -1079,33 +1112,6 @@
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#define _BDF_GLYPH_HEIGHT_CHECK 0x80000000UL
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/* Auto correction messages. */
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#define ACMSG1 "FONT_ASCENT property missing. " \
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"Added \"FONT_ASCENT %hd\".\n"
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#define ACMSG2 "FONT_DESCENT property missing. " \
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"Added \"FONT_DESCENT %hd\".\n"
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#define ACMSG3 "Font width != actual width. Old: %hd New: %hd.\n"
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#define ACMSG4 "Font left bearing != actual left bearing. " \
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"Old: %hd New: %hd.\n"
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#define ACMSG5 "Font ascent != actual ascent. Old: %hd New: %hd.\n"
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#define ACMSG6 "Font descent != actual descent. Old: %hd New: %hd.\n"
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#define ACMSG7 "Font height != actual height. Old: %hd New: %hd.\n"
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#define ACMSG8 "Glyph scalable width (SWIDTH) adjustments made.\n"
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#define ACMSG9 "SWIDTH field missing at line %ld. Set automatically.\n"
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#define ACMSG10 "DWIDTH field missing at line %ld. Set to glyph width.\n"
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#define ACMSG11 "SIZE bits per pixel field adjusted to %hd.\n"
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#define ACMSG12 "Duplicate encoding %ld (%s) changed to unencoded.\n"
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#define ACMSG13 "Glyph %ld extra rows removed.\n"
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#define ACMSG14 "Glyph %ld extra columns removed.\n"
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#define ACMSG15 "Incorrect glyph count: %ld indicated but %ld found.\n"
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/* Error messages. */
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#define ERRMSG1 "[line %ld] Missing \"%s\" line.\n"
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#define ERRMSG2 "[line %ld] Font header corrupted or missing fields.\n"
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#define ERRMSG3 "[line %ld] Font glyphs corrupted or missing fields.\n"
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#define ERRMSG4 "[line %ld] BBX too big.\n"
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static FT_Error
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_bdf_add_comment( bdf_font_t* font,
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char* comment,
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@ -1137,7 +1143,8 @@
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/* default specified in the options. */
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static FT_Error
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_bdf_set_default_spacing( bdf_font_t* font,
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bdf_options_t* opts )
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bdf_options_t* opts,
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unsigned long lineno )
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{
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size_t len;
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char name[256];
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@ -1162,6 +1169,7 @@
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/* Limit ourselves to 256 characters in the font name. */
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if ( len >= 256 )
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{
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FT_ERROR(( "_bdf_set_default_spacing: " ERRMSG7, lineno ));
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error = BDF_Err_Invalid_Argument;
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goto Exit;
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}
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@ -1265,9 +1273,10 @@
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static FT_Error
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_bdf_add_property( bdf_font_t* font,
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char* name,
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char* value )
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_bdf_add_property( bdf_font_t* font,
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char* name,
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char* value,
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unsigned long lineno )
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{
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size_t propid;
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hashnode hn;
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@ -1405,6 +1414,7 @@
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{
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if ( !fp->value.atom )
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{
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FT_ERROR(( "_bdf_add_property: " ERRMSG8, lineno, "SPACING" ));
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error = BDF_Err_Invalid_File_Format;
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goto Exit;
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}
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@ -1493,8 +1503,9 @@
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/* Limit ourselves to 1,114,112 glyphs in the font (this is the */
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/* number of code points available in Unicode). */
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if ( p->cnt >= 1114112UL )
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if ( p->cnt >= 0x110000UL )
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{
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FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG5, lineno, "CHARS" ));
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error = BDF_Err_Invalid_Argument;
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goto Exit;
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}
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@ -1554,6 +1565,7 @@
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if ( !s )
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{
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FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG8, lineno, "STARTCHAR" ));
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error = BDF_Err_Invalid_File_Format;
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goto Exit;
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}
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@ -1590,6 +1602,7 @@
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if ( p->glyph_enc > 0 &&
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(size_t)p->glyph_enc >= sizeof ( p->have ) * 8 )
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{
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FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG5, lineno, "ENCODING" ));
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error = BDF_Err_Invalid_File_Format;
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goto Exit;
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}
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@ -1851,7 +1864,7 @@
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}
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/* Allocate enough space for the bitmap. */
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glyph->bpr = ( glyph->bbx.width * p->font->bpp + 7 ) >> 3;
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glyph->bpr = ( glyph->bbx.width * p->font->bpp + 7 ) >> 3;
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bitmap_size = glyph->bpr * glyph->bbx.height;
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if ( bitmap_size > 0xFFFFU )
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@ -1872,6 +1885,7 @@
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goto Exit;
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}
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FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG9, lineno ));
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error = BDF_Err_Invalid_File_Format;
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Exit:
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@ -1917,7 +1931,8 @@
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{
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p->font->font_ascent = p->font->bbx.ascent;
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ft_sprintf( nbuf, "%hd", p->font->bbx.ascent );
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error = _bdf_add_property( p->font, (char *)"FONT_ASCENT", nbuf );
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error = _bdf_add_property( p->font, (char *)"FONT_ASCENT",
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nbuf, lineno );
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if ( error )
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goto Exit;
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@ -1929,7 +1944,8 @@
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{
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p->font->font_descent = p->font->bbx.descent;
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ft_sprintf( nbuf, "%hd", p->font->bbx.descent );
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error = _bdf_add_property( p->font, (char *)"FONT_DESCENT", nbuf );
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error = _bdf_add_property( p->font, (char *)"FONT_DESCENT",
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nbuf, lineno );
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if ( error )
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goto Exit;
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@ -1955,13 +1971,13 @@
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value += 7;
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if ( *value )
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*value++ = 0;
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error = _bdf_add_property( p->font, name, value );
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error = _bdf_add_property( p->font, name, value, lineno );
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if ( error )
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goto Exit;
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}
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else if ( _bdf_is_atom( line, linelen, &name, &value, p->font ) )
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{
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error = _bdf_add_property( p->font, name, value );
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error = _bdf_add_property( p->font, name, value, lineno );
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if ( error )
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goto Exit;
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}
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@ -1975,7 +1991,7 @@
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_bdf_list_shift( &p->list, 1 );
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value = _bdf_list_join( &p->list, ' ', &vlen );
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error = _bdf_add_property( p->font, name, value );
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error = _bdf_add_property( p->font, name, value, lineno );
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if ( error )
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goto Exit;
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}
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@ -2042,6 +2058,7 @@
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if ( ft_memcmp( line, "STARTFONT", 9 ) != 0 )
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{
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/* No STARTFONT field is a good indication of a problem. */
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FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "STARTFONT" ));
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error = BDF_Err_Missing_Startfont_Field;
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goto Exit;
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}
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@ -2154,6 +2171,7 @@
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if ( !s )
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{
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FT_ERROR(( "_bdf_parse_start: " ERRMSG8, lineno, "FONT" ));
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error = BDF_Err_Invalid_File_Format;
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goto Exit;
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}
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@ -2167,7 +2185,7 @@
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/* If the font name is an XLFD name, set the spacing to the one in */
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/* the font name. If there is no spacing fall back on the default. */
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error = _bdf_set_default_spacing( p->font, p->opts );
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error = _bdf_set_default_spacing( p->font, p->opts, lineno );
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if ( error )
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goto Exit;
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@ -2248,14 +2266,16 @@
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/* for compiling fonts. */
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p->font->font_ascent = p->font->bbx.ascent;
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ft_sprintf( nbuf, "%hd", p->font->bbx.ascent );
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error = _bdf_add_property( p->font, (char *)"FONT_ASCENT", nbuf );
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error = _bdf_add_property( p->font, (char *)"FONT_ASCENT",
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nbuf, lineno );
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if ( error )
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goto Exit;
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FT_TRACE2(( "_bdf_parse_properties: " ACMSG1, p->font->bbx.ascent ));
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p->font->font_descent = p->font->bbx.descent;
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ft_sprintf( nbuf, "%hd", p->font->bbx.descent );
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error = _bdf_add_property( p->font, (char *)"FONT_DESCENT", nbuf );
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error = _bdf_add_property( p->font, (char *)"FONT_DESCENT",
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nbuf, lineno );
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if ( error )
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goto Exit;
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FT_TRACE2(( "_bdf_parse_properties: " ACMSG2, p->font->bbx.descent ));
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@ -2269,6 +2289,7 @@
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goto Exit;
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}
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FT_ERROR(( "_bdf_parse_start: " ERRMSG9, lineno ));
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error = BDF_Err_Invalid_File_Format;
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Exit:
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@ -2381,22 +2402,20 @@
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if ( p->flags & _BDF_START )
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{
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/* The ENDFONT field was never reached or did not exist. */
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if ( !( p->flags & _BDF_GLYPHS ) )
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{
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/* The ENDFONT field was never reached or did not exist. */
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if ( !( p->flags & _BDF_GLYPHS ) )
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{
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/* Error happened while parsing header. */
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FT_ERROR(( "bdf_load_font: " ERRMSG2, lineno ));
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error = BDF_Err_Corrupted_Font_Header;
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goto Exit;
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}
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else
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{
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/* Error happened when parsing glyphs. */
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FT_ERROR(( "bdf_load_font: " ERRMSG3, lineno ));
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error = BDF_Err_Corrupted_Font_Glyphs;
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goto Exit;
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}
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/* Error happened while parsing header. */
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FT_ERROR(( "bdf_load_font: " ERRMSG2, lineno ));
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error = BDF_Err_Corrupted_Font_Header;
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goto Exit;
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}
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else
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{
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/* Error happened when parsing glyphs. */
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FT_ERROR(( "bdf_load_font: " ERRMSG3, lineno ));
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error = BDF_Err_Corrupted_Font_Glyphs;
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goto Exit;
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}
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}
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