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freetype2
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Code Issues 4 Releases Wiki Activity

* src/sfnt/ttpost.c (load_format_20): Micro-optimize.

This commit is contained in:
Alexei Podtelezhnikov 2023-09-06 22:58:46 -04:00
parent 45903920b9
commit 4904d1eb1b
1 changed files with 13 additions and 11 deletions
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24
src/sfnt/ttpost.c
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@ -204,8 +204,8 @@
/* now load the name strings */
if ( num_names )
{
FT_ULong p;
FT_Byte* strings;
FT_Byte* p;
FT_Byte* p_end;
post_len -= (FT_ULong)num_glyphs * 2;
@ -214,25 +214,27 @@
post_len + 1 ) )
goto Fail;
strings = (FT_Byte*)( name_strings + num_names );
if ( FT_STREAM_READ( strings, post_len ) )
p = (FT_Byte*)( name_strings + num_names );
if ( FT_STREAM_READ( p, post_len ) )
goto Fail;
p_end = p + post_len;
/* convert from Pascal- to C-strings and set pointers */
for ( p = 0, n = 0; p < post_len && n < num_names; n++ )
for ( n = 0; p < p_end && n < num_names; n++ )
{
FT_UInt len = strings[p];
FT_UInt len = *p;
/* all names in Adobe Glyph List are shorter than 40 characters */
if ( len >= 40U )
FT_TRACE4(( "load_format_20: unusual %u-char name found\n", len ));
strings[p] = 0;
name_strings[n] = strings + p + 1;
p += len + 1;
*p++ = 0;
name_strings[n] = p;
p += len;
}
strings[post_len] = 0;
*p_end = 0;
/* deal with missing or insufficient string data */
if ( n < num_names )
@ -241,7 +243,7 @@
num_names - n ));
for ( ; n < num_names; n++ )
name_strings[n] = strings + post_len;
name_strings[n] = p_end;
}
}