/* font.c -- "Font" primitives.
-Copyright (C) 2006-2011 Free Software Foundation, Inc.
+Copyright (C) 2006-2012 Free Software Foundation, Inc.
Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H13PRO009
\f
-/* Creaters of font-related Lisp object. */
+/* Creators of font-related Lisp object. */
static Lisp_Object
font_make_spec (void)
ptrdiff_t i;
Lisp_Object tem;
Lisp_Object obarray;
- EMACS_INT nbytes, nchars;
+ ptrdiff_t nbytes, nchars;
if (len == 1 && *str == '*')
return Qnil;
else
{
int i, last_n;
- int numeric = XINT (val);
+ EMACS_INT numeric = XINT (val);
for (i = 0, last_n = -1; i < len; i++)
{
: FONT_WIDTH_INDEX);
if (INTEGERP (val))
{
- int n = XINT (val);
+ EMACS_INT n = XINT (val);
if (((n >> 4) & 0xF)
>= ASIZE (AREF (font_style_table, prop - FONT_WEIGHT_INDEX)))
val = Qerror;
/* Function to validate PROP's value VAL, or NULL if any value is
ok. The value is VAL or its regularized value if VAL is valid,
and Qerror if not. */
- Lisp_Object (*validater) (Lisp_Object prop, Lisp_Object val);
+ Lisp_Object (*validator) (Lisp_Object prop, Lisp_Object val);
} font_property_table[] =
{ { &QCtype, font_prop_validate_symbol },
{ &QCfoundry, font_prop_validate_symbol },
if (idx < 0)
return val;
}
- validated = (font_property_table[idx].validater) (prop, val);
+ validated = (font_property_table[idx].validator) (prop, val);
if (EQ (validated, Qerror))
signal_error ("invalid font property", Fcons (prop, val));
return validated;
struct {
/* Minimum possible field. */
int from;
- /* Maxinum possible field. */
+ /* Maximum possible field. */
int to;
/* Bit mask of possible field. Nth bit corresponds to Nth field. */
int mask;
range_mask = (range_mask << 1) | 1;
/* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a
- position-based retriction for FIELD[I]. */
+ position-based restriction for FIELD[I]. */
for (i = 0, range_from = 0, range_to = 14 - n; i < n;
i++, range_from++, range_to++, range_mask <<= 1)
{
else
{
/* The triplet FROM, TO, and MASK is a value-based
- retriction for FIELD[I]. */
+ restriction for FIELD[I]. */
int from, to;
unsigned mask;
if (INTEGERP (val))
{
- int numeric = XINT (val);
+ EMACS_INT numeric = XINT (val);
if (i + 1 == n)
from = to = XLFD_ENCODING_INDEX,
}
}
- /* Decide all fileds from restrictions in RANGE. */
+ /* Decide all fields from restrictions in RANGE. */
for (i = j = 0; i < n ; i++)
{
if (j < range[i].from)
}
else
f[XLFD_AVGWIDTH_INDEX] = "*";
- len = esnprintf (name, nbytes, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s",
- f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX],
- f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX],
- f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX],
- f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX],
- f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX],
- f[XLFD_REGISTRY_INDEX]);
- return len == nbytes - 1 ? -1 : len;
+ len = snprintf (name, nbytes, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s",
+ f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX],
+ f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX],
+ f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX],
+ f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX],
+ f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX],
+ f[XLFD_REGISTRY_INDEX]);
+ return len < nbytes ? len : -1;
}
/* Parse NAME (null terminated) and store information in FONT
{
int decimal = 0, size_found = 1;
for (q = p + 1; *q && *q != ':'; q++)
- if (! isdigit(*q))
+ if (! isdigit (*q))
{
if (*q != '.' || decimal)
{
p = name;
lim = name + nbytes;
if (! NILP (family))
- p += esnprintf (p, lim - p, "%s", SSDATA (family));
+ {
+ int len = snprintf (p, lim - p, "%s", SSDATA (family));
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
if (point_size > 0)
- p += esnprintf (p, lim - p, "-%d" + (p == name), point_size);
+ {
+ int len = snprintf (p, lim - p, "-%d" + (p == name), point_size);
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
else if (pixel_size > 0)
- p += esnprintf (p, lim - p, ":pixelsize=%d", pixel_size);
+ {
+ int len = snprintf (p, lim - p, ":pixelsize=%d", pixel_size);
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
if (! NILP (AREF (font, FONT_FOUNDRY_INDEX)))
- p += esnprintf (p, lim - p, ":foundry=%s",
- SSDATA (SYMBOL_NAME (AREF (font,
- FONT_FOUNDRY_INDEX))));
+ {
+ int len = snprintf (p, lim - p, ":foundry=%s",
+ SSDATA (SYMBOL_NAME (AREF (font,
+ FONT_FOUNDRY_INDEX))));
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
for (i = 0; i < 3; i++)
if (! NILP (styles[i]))
- p += esnprintf (p, lim - p, ":%s=%s", style_names[i],
- SSDATA (SYMBOL_NAME (styles[i])));
+ {
+ int len = snprintf (p, lim - p, ":%s=%s", style_names[i],
+ SSDATA (SYMBOL_NAME (styles[i])));
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
+
if (INTEGERP (AREF (font, FONT_DPI_INDEX)))
- p += esnprintf (p, lim - p, ":dpi=%"pI"d",
- XINT (AREF (font, FONT_DPI_INDEX)));
+ {
+ int len = snprintf (p, lim - p, ":dpi=%"pI"d",
+ XINT (AREF (font, FONT_DPI_INDEX)));
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
+
if (INTEGERP (AREF (font, FONT_SPACING_INDEX)))
- p += esnprintf (p, lim - p, ":spacing=%"pI"d",
- XINT (AREF (font, FONT_SPACING_INDEX)));
+ {
+ int len = snprintf (p, lim - p, ":spacing=%"pI"d",
+ XINT (AREF (font, FONT_SPACING_INDEX)));
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
+
if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX)))
- p += esnprintf (p, lim - p,
- (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0
- ? ":scalable=true"
- : ":scalable=false"));
- return lim - p == 1 ? -1 : p - name;
+ {
+ int len = snprintf (p, lim - p,
+ (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0
+ ? ":scalable=true"
+ : ":scalable=false"));
+ if (! (0 <= len && len < lim - p))
+ return -1;
+ p += len;
+ }
+
+ return (p - name);
}
/* Parse NAME (null terminated) and store information in FONT
check_gstring (Lisp_Object gstring)
{
Lisp_Object val;
- int i, j;
+ ptrdiff_t i;
+ int j;
CHECK_VECTOR (gstring);
val = AREF (gstring, 0);
/* All characters in the list must be supported. */
for (; CONSP (val2); val2 = XCDR (val2))
{
- if (! NATNUMP (XCAR (val2)))
+ if (! CHARACTERP (XCAR (val2)))
continue;
if (font_encode_char (font, XFASTINT (XCAR (val2)))
== FONT_INVALID_CODE)
/* At most one character in the vector must be supported. */
for (i = 0; i < ASIZE (val2); i++)
{
- if (! NATNUMP (AREF (val2, i)))
+ if (! CHARACTERP (AREF (val2, i)))
continue;
if (font_encode_char (font, XFASTINT (AREF (val2, i)))
!= FONT_INVALID_CODE)
Lisp_Object foundry[3], *family, registry[3], adstyle[3];
int pixel_size;
int i, j, k, l;
+ USE_SAFE_ALLOCA;
registry[0] = AREF (spec, FONT_REGISTRY_INDEX);
if (NILP (registry[0]))
else
{
Lisp_Object alters
- = Fassoc_string (val, Vface_alternative_font_family_alist,
- /* Font family names are case-sensitive under NS. */
-#ifndef HAVE_NS
- Qt
-#else
- Qnil
-#endif
- );
+ = Fassoc_string (val, Vface_alternative_font_family_alist, Qt);
if (! NILP (alters))
{
- family = alloca ((sizeof family[0]) * (XINT (Flength (alters)) + 2));
+ EMACS_INT alterslen = XFASTINT (Flength (alters));
+ SAFE_ALLOCA_LISP (family, alterslen + 2);
for (i = 0; CONSP (alters); i++, alters = XCDR (alters))
family[i] = XCAR (alters);
if (NILP (AREF (spec, FONT_FAMILY_INDEX)))
}
}
}
+
+ SAFE_FREE ();
return Qnil;
}
if (INTEGERP (height))
pt = XINT (height);
else
- abort(); /* We should never end up here. */
+ abort (); /* We should never end up here. */
}
pt /= 10;
#ifdef HAVE_NS
if (size == 0)
{
- Lisp_Object ffsize = get_frame_param(f, Qfontsize);
+ Lisp_Object ffsize = get_frame_param (f, Qfontsize);
size = NUMBERP (ffsize) ? POINT_TO_PIXEL (XINT (ffsize), f->resy) : 0;
}
#endif
STRING. */
static Lisp_Object
-font_at (int c, EMACS_INT pos, struct face *face, struct window *w,
+font_at (int c, ptrdiff_t pos, struct face *face, struct window *w,
Lisp_Object string)
{
FRAME_PTR f;
{
if (multibyte)
{
- EMACS_INT pos_byte = CHAR_TO_BYTE (pos);
+ ptrdiff_t pos_byte = CHAR_TO_BYTE (pos);
c = FETCH_CHAR (pos_byte);
}
multibyte = STRING_MULTIBYTE (string);
if (multibyte)
{
- EMACS_INT pos_byte = string_char_to_byte (string, pos);
+ ptrdiff_t pos_byte = string_char_to_byte (string, pos);
str = SDATA (string) + pos_byte;
c = STRING_CHAR (str);
if (! face)
{
int face_id;
- EMACS_INT endptr;
+ ptrdiff_t endptr;
if (STRINGP (string))
face_id = face_at_string_position (w, string, pos, 0, -1, -1, &endptr,
It is assured that the current buffer (or STRING) is multibyte. */
Lisp_Object
-font_range (EMACS_INT pos, EMACS_INT *limit, struct window *w, struct face *face, Lisp_Object string)
+font_range (ptrdiff_t pos, ptrdiff_t *limit, struct window *w, struct face *face, Lisp_Object string)
{
- EMACS_INT pos_byte, ignore;
+ ptrdiff_t pos_byte, ignore;
int c;
Lisp_Object font_object = Qnil;
(Lisp_Object font_spec, Lisp_Object frame, Lisp_Object num, Lisp_Object prefer)
{
Lisp_Object vec, list;
- int n = 0;
+ EMACS_INT n = 0;
if (NILP (frame))
frame = selected_frame;
font_fill_lglyph_metrics (Lisp_Object glyph, Lisp_Object font_object)
{
struct font *font = XFONT_OBJECT (font_object);
- unsigned code;
- /* ecode used in LGLYPH_SET_CODE to avoid compiler warnings. */
- EMACS_INT ecode = font->driver->encode_char (font, LGLYPH_CHAR (glyph));
+ unsigned code = font->driver->encode_char (font, LGLYPH_CHAR (glyph));
struct font_metrics metrics;
- LGLYPH_SET_CODE (glyph, ecode);
- code = ecode;
+ LGLYPH_SET_CODE (glyph, code);
font->driver->text_extents (font, &code, 1, &metrics);
LGLYPH_SET_LBEARING (glyph, metrics.lbearing);
LGLYPH_SET_RBEARING (glyph, metrics.rbearing);
{
struct font *font;
Lisp_Object font_object, n, glyph;
- EMACS_INT i, j, from, to;
+ ptrdiff_t i, j, from, to;
if (! composition_gstring_p (gstring))
signal_error ("Invalid glyph-string: ", gstring);
if (INTEGERP (n))
break;
gstring = larger_vector (gstring,
- ASIZE (gstring) + LGSTRING_GLYPH_LEN (gstring),
- Qnil);
+ LGSTRING_GLYPH_LEN (gstring), -1);
}
if (i == 3 || XINT (n) == 0)
return Qnil;
doc: /* Open FONT-ENTITY. */)
(Lisp_Object font_entity, Lisp_Object size, Lisp_Object frame)
{
- int isize;
+ EMACS_INT isize;
CHECK_FONT_ENTITY (font_entity);
if (NILP (frame))
isize = POINT_TO_PIXEL (XFLOAT_DATA (size), XFRAME (frame)->resy);
else
isize = XINT (size);
+ if (! (INT_MIN <= isize && isize <= INT_MAX))
+ args_out_of_range (font_entity, size);
if (isize == 0)
isize = 120;
}
Lisp_Object object)
{
struct font *font;
- int i, len;
+ ptrdiff_t i, len;
Lisp_Object *chars, vec;
USE_SAFE_ALLOCA;
CHECK_FONT_GET_OBJECT (font_object, font);
if (NILP (object))
{
- EMACS_INT charpos, bytepos;
+ ptrdiff_t charpos, bytepos;
validate_region (&from, &to);
if (EQ (from, to))
(Lisp_Object position, Lisp_Object window, Lisp_Object string)
{
struct window *w;
- EMACS_INT pos;
+ ptrdiff_t pos;
if (NILP (string))
{
CHECK_NUMBER_COERCE_MARKER (position);
- pos = XINT (position);
- if (pos < BEGV || pos >= ZV)
+ if (! (BEGV <= XINT (position) && XINT (position) < ZV))
args_out_of_range_3 (position, make_number (BEGV), make_number (ZV));
+ pos = XINT (position);
}
else
{
CHECK_NUMBER (position);
CHECK_STRING (string);
- pos = XINT (position);
- if (pos < 0 || pos >= SCHARS (string))
+ if (! (0 < XINT (position) && XINT (position) < SCHARS (string)))
args_out_of_range (string, position);
+ pos = XINT (position);
}
if (NILP (window))
window = selected_window;
the table by a character gives the corresponding glyph code.
REPERTORY specifies a repertory of characters supported by the font.
-If REPERTORY is a charset, all characters beloging to the charset are
+If REPERTORY is a charset, all characters belonging to the charset are
supported. If REPERTORY is a char-table, all characters who have a
non-nil value in the table are supported. If REPERTORY is nil, Emacs
gets the repertory information by an opened font and ENCODING. */);
HCoop / bpt / emacs.git / blobdiff