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Fix Savannah bug #43535.

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* src/bdf/bdflib.c (_bdf_strncmp): New macro that checks one
character more than `strncmp'.
s/ft_strncmp/_bdf_strncmp/ everywhere.
This commit is contained in:
Werner Lemberg 2014-11-07 07:42:33 +01:00
parent ef1eba7518
commit 2c4832d309
2 changed files with 47 additions and 27 deletions
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12
ChangeLog
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@ -1,9 +1,17 @@
2014-11-07 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #43535.
* src/bdf/bdflib.c (_bdf_strncmp): New macro that checks one
character more than `strncmp'.
s/ft_strncmp/_bdf_strncmp/ everywhere.
2014-11-06 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #43548.
* src/pcf/pcfread (pcf_get_encodings): Add sanity checks for row and
column values.
* src/pcf/pcfread.c (pcf_get_encodings): Add sanity checks for row
and column values.
2014-11-06 Werner Lemberg <wl@gnu.org>

62
src/bdf/bdflib.c
View File

@ -169,6 +169,18 @@
sizeof ( _bdf_properties[0] );
/* An auxiliary macro to parse properties, to be used in conditionals. */
/* It behaves like `strncmp' but also tests the following character */
/* whether it is a whitespace or NULL. */
/* `property' is a constant string of length `n' to compare with. */
#define _bdf_strncmp( name, property, n ) \
( ft_strncmp( name, property, n ) || \
!( name[n] == ' ' || \
name[n] == '\0' || \
name[n] == '\n' || \
name[n] == '\r' || \
name[n] == '\t' ) )
/* Auto correction messages. */
#define ACMSG1 "FONT_ASCENT property missing. " \
"Added `FONT_ASCENT %hd'.\n"
@ -1408,7 +1420,7 @@
/* If the property happens to be a comment, then it doesn't need */
/* to be added to the internal hash table. */
if ( ft_strncmp( name, "COMMENT", 7 ) != 0 )
if ( _bdf_strncmp( name, "COMMENT", 7 ) != 0 )
{
/* Add the property to the font property table. */
error = hash_insert( fp->name,
@ -1426,13 +1438,13 @@
/* FONT_ASCENT and FONT_DESCENT need to be assigned if they are */
/* present, and the SPACING property should override the default */
/* spacing. */
if ( ft_strncmp( name, "DEFAULT_CHAR", 12 ) == 0 )
if ( _bdf_strncmp( name, "DEFAULT_CHAR", 12 ) == 0 )
font->default_char = fp->value.l;
else if ( ft_strncmp( name, "FONT_ASCENT", 11 ) == 0 )
else if ( _bdf_strncmp( name, "FONT_ASCENT", 11 ) == 0 )
font->font_ascent = fp->value.l;
else if ( ft_strncmp( name, "FONT_DESCENT", 12 ) == 0 )
else if ( _bdf_strncmp( name, "FONT_DESCENT", 12 ) == 0 )
font->font_descent = fp->value.l;
else if ( ft_strncmp( name, "SPACING", 7 ) == 0 )
else if ( _bdf_strncmp( name, "SPACING", 7 ) == 0 )
{
if ( !fp->value.atom )
{
@ -1490,7 +1502,7 @@
memory = font->memory;
/* Check for a comment. */
if ( ft_strncmp( line, "COMMENT", 7 ) == 0 )
if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 )
{
linelen -= 7;
@ -1507,7 +1519,7 @@
/* The very first thing expected is the number of glyphs. */
if ( !( p->flags & _BDF_GLYPHS ) )
{
if ( ft_strncmp( line, "CHARS", 5 ) != 0 )
if ( _bdf_strncmp( line, "CHARS", 5 ) != 0 )
{
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "CHARS" ));
error = FT_THROW( Missing_Chars_Field );
@ -1541,7 +1553,7 @@
}
/* Check for the ENDFONT field. */
if ( ft_strncmp( line, "ENDFONT", 7 ) == 0 )
if ( _bdf_strncmp( line, "ENDFONT", 7 ) == 0 )
{
/* Sort the glyphs by encoding. */
ft_qsort( (char *)font->glyphs,
@ -1555,7 +1567,7 @@
}
/* Check for the ENDCHAR field. */
if ( ft_strncmp( line, "ENDCHAR", 7 ) == 0 )
if ( _bdf_strncmp( line, "ENDCHAR", 7 ) == 0 )
{
p->glyph_enc = 0;
p->flags &= ~_BDF_GLYPH_BITS;
@ -1571,7 +1583,7 @@
goto Exit;
/* Check for the STARTCHAR field. */
if ( ft_strncmp( line, "STARTCHAR", 9 ) == 0 )
if ( _bdf_strncmp( line, "STARTCHAR", 9 ) == 0 )
{
/* Set the character name in the parse info first until the */
/* encoding can be checked for an unencoded character. */
@ -1605,7 +1617,7 @@
}
/* Check for the ENCODING field. */
if ( ft_strncmp( line, "ENCODING", 8 ) == 0 )
if ( _bdf_strncmp( line, "ENCODING", 8 ) == 0 )
{
if ( !( p->flags & _BDF_GLYPH ) )
{
@ -1791,7 +1803,7 @@
}
/* Expect the SWIDTH (scalable width) field next. */
if ( ft_strncmp( line, "SWIDTH", 6 ) == 0 )
if ( _bdf_strncmp( line, "SWIDTH", 6 ) == 0 )
{
if ( !( p->flags & _BDF_ENCODING ) )
goto Missing_Encoding;
@ -1807,7 +1819,7 @@
}
/* Expect the DWIDTH (scalable width) field next. */
if ( ft_strncmp( line, "DWIDTH", 6 ) == 0 )
if ( _bdf_strncmp( line, "DWIDTH", 6 ) == 0 )
{
if ( !( p->flags & _BDF_ENCODING ) )
goto Missing_Encoding;
@ -1835,7 +1847,7 @@
}
/* Expect the BBX field next. */
if ( ft_strncmp( line, "BBX", 3 ) == 0 )
if ( _bdf_strncmp( line, "BBX", 3 ) == 0 )
{
if ( !( p->flags & _BDF_ENCODING ) )
goto Missing_Encoding;
@ -1903,7 +1915,7 @@
}
/* And finally, gather up the bitmap. */
if ( ft_strncmp( line, "BITMAP", 6 ) == 0 )
if ( _bdf_strncmp( line, "BITMAP", 6 ) == 0 )
{
unsigned long bitmap_size;
@ -1978,7 +1990,7 @@
p = (_bdf_parse_t *) client_data;
/* Check for the end of the properties. */
if ( ft_strncmp( line, "ENDPROPERTIES", 13 ) == 0 )
if ( _bdf_strncmp( line, "ENDPROPERTIES", 13 ) == 0 )
{
/* If the FONT_ASCENT or FONT_DESCENT properties have not been */
/* encountered yet, then make sure they are added as properties and */
@ -2019,12 +2031,12 @@
}
/* Ignore the _XFREE86_GLYPH_RANGES properties. */
if ( ft_strncmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 )
if ( _bdf_strncmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 )
goto Exit;
/* Handle COMMENT fields and properties in a special way to preserve */
/* the spacing. */
if ( ft_strncmp( line, "COMMENT", 7 ) == 0 )
if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 )
{
name = value = line;
value += 7;
@ -2088,7 +2100,7 @@
/* Check for a comment. This is done to handle those fonts that have */
/* comments before the STARTFONT line for some reason. */
if ( ft_strncmp( line, "COMMENT", 7 ) == 0 )
if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 )
{
if ( p->opts->keep_comments != 0 && p->font != 0 )
{
@ -2114,7 +2126,7 @@
{
memory = p->memory;
if ( ft_strncmp( line, "STARTFONT", 9 ) != 0 )
if ( _bdf_strncmp( line, "STARTFONT", 9 ) != 0 )
{
/* we don't emit an error message since this code gets */
/* explicitly caught one level higher */
@ -2162,7 +2174,7 @@
}
/* Check for the start of the properties. */
if ( ft_strncmp( line, "STARTPROPERTIES", 15 ) == 0 )
if ( _bdf_strncmp( line, "STARTPROPERTIES", 15 ) == 0 )
{
if ( !( p->flags & _BDF_FONT_BBX ) )
{
@ -2191,7 +2203,7 @@
}
/* Check for the FONTBOUNDINGBOX field. */
if ( ft_strncmp( line, "FONTBOUNDINGBOX", 15 ) == 0 )
if ( _bdf_strncmp( line, "FONTBOUNDINGBOX", 15 ) == 0 )
{
if ( !( p->flags & _BDF_SIZE ) )
{
@ -2222,7 +2234,7 @@
}
/* The next thing to check for is the FONT field. */
if ( ft_strncmp( line, "FONT", 4 ) == 0 )
if ( _bdf_strncmp( line, "FONT", 4 ) == 0 )
{
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
if ( error )
@ -2257,7 +2269,7 @@
}
/* Check for the SIZE field. */
if ( ft_strncmp( line, "SIZE", 4 ) == 0 )
if ( _bdf_strncmp( line, "SIZE", 4 ) == 0 )
{
if ( !( p->flags & _BDF_FONT_NAME ) )
{
@ -2311,7 +2323,7 @@
}
/* Check for the CHARS field -- font properties are optional */
if ( ft_strncmp( line, "CHARS", 5 ) == 0 )
if ( _bdf_strncmp( line, "CHARS", 5 ) == 0 )
{
char nbuf[128];