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pango: fix segfaults
This commit is contained in:
Dylan Araps
parent
159dc02707
commit
f0ad5c7344
@ -1,2 +1,2 @@
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6c78162507debd3389dab9f045cfa0b03cb44c432fb21979d4acf45db1b93781
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b1c9cd0e06737a8092f694fde65855070c75c457ff3114122d50d2f068c6181e
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b726d0e9e0a423bc4cd7de264c67cb22bf8256a9dde503fa9bcedaa220679bfe
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@ -1,5 +1,5 @@
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diff --git a/meson.build b/meson.build
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index c03bf85..df529aa 100644
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index c03bf85..a5bd314 100644
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--- a/meson.build
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+++ b/meson.build
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@@ -191,7 +191,6 @@ endif
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@ -10,7 +10,7 @@ index c03bf85..df529aa 100644
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libthai_req_version = '>= 0.1.9'
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harfbuzz_req_version = '>= 2.2.0'
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fontconfig_req_version = '>= 2.11.91'
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@@ -211,11 +210,6 @@ gio_dep = dependency('gio-2.0', version: glib_req_version,
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@@ -211,10 +210,6 @@ gio_dep = dependency('gio-2.0', version: glib_req_version,
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fallback: ['glib', 'libgio_dep'])
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pango_deps += [glib_dep, gobject_dep, gio_dep]
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@ -18,24 +18,24 @@ index c03bf85..df529aa 100644
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- fallback: ['fribidi', 'libfribidi_dep'],
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- default_options: ['docs=false'])
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-pango_deps += fribidi_dep
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-
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thai_dep = dependency('libthai', version: libthai_req_version, required: get_option('libthai'))
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if thai_dep.found()
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pango_conf.set('HAVE_LIBTHAI', 1)
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diff --git a/pango/pango-bidi-type.c b/pango/pango-bidi-type.c
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index 32858f7..d60b038 100644
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index 32858f7..1e4abed 100644
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--- a/pango/pango-bidi-type.c
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+++ b/pango/pango-bidi-type.c
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@@ -22,11 +22,19 @@
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#include "config.h"
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@@ -23,13 +23,20 @@
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#include <string.h>
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-
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-#include <fribidi.h>
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+#include <stdint.h>
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-#include <fribidi.h>
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-
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#undef PANGO_DISABLE_DEPRECATED
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#include "pango-bidi-type.h"
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#include "pango-utils.h"
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+typedef uint32_t FriBidiChar;
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+typedef uint32_t FriBidiCharType;
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+typedef uint32_t FriBidiBracketType;
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@ -45,10 +45,10 @@ index 32858f7..d60b038 100644
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+
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+#define FRIBIDI_PAR_LTR (0x00000010L | 0x00000100L)
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+
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#include "pango-bidi-type.h"
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#include "pango-utils.h"
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@@ -48,40 +56,7 @@
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/**
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* pango_bidi_type_for_unichar:
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* @ch: a Unicode character
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@@ -48,40 +55,7 @@
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PangoBidiType
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pango_bidi_type_for_unichar (gunichar ch)
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{
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@ -90,14 +90,14 @@ index 32858f7..d60b038 100644
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}
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/* Some bidi-related functions */
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@@ -116,36 +91,13 @@ pango_log2vis_get_embedding_levels (const gchar *text,
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@@ -116,36 +90,14 @@ pango_log2vis_get_embedding_levels (const gchar *text,
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glong n_chars, i;
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guint8 *embedding_levels_list;
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const gchar *p;
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- FriBidiParType fribidi_base_dir;
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FriBidiCharType *bidi_types;
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FriBidiBracketType *bracket_types;
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- FriBidiLevel max_level;
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FriBidiLevel max_level;
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FriBidiCharType ored_types = 0;
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- FriBidiCharType anded_strongs = FRIBIDI_TYPE_RLE;
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@ -127,30 +127,31 @@ index 32858f7..d60b038 100644
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if (length < 0)
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length = strlen (text);
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@@ -157,20 +109,14 @@ pango_log2vis_get_embedding_levels (const gchar *text,
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@@ -157,20 +109,12 @@ pango_log2vis_get_embedding_levels (const gchar *text,
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for (i = 0, p = text; p < text + length; p = g_utf8_next_char(p), i++)
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{
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- gunichar ch = g_utf8_get_char (p);
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- FriBidiCharType char_type = fribidi_get_bidi_type (ch);
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+ FriBidiCharType char_type = FRIBIDI_PAR_LTR;
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-
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if (i == n_chars)
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break;
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bidi_types[i] = char_type;
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ored_types |= char_type;
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- bidi_types[i] = char_type;
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- ored_types |= char_type;
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- if (FRIBIDI_IS_STRONG (char_type))
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- anded_strongs &= char_type;
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- if (G_UNLIKELY(bidi_types[i] == FRIBIDI_TYPE_ON))
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- bracket_types[i] = fribidi_get_bracket (ch);
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- else
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- bracket_types[i] = FRIBIDI_NO_BRACKET;
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+ bidi_types[i] = FRIBIDI_PAR_LTR;
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+ ored_types |= FRIBIDI_PAR_LTR;
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+ bracket_types[i] = 0;
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}
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/* Short-circuit (malloc-expensive) FriBidi call for unidirectional
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@@ -187,56 +133,15 @@ pango_log2vis_get_embedding_levels (const gchar *text,
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@@ -187,56 +131,13 @@ pango_log2vis_get_embedding_levels (const gchar *text,
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* o base_dir doesn't have an RTL taste.
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* o there are letters, and base_dir is weak.
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*/
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@ -164,7 +165,7 @@ index 32858f7..d60b038 100644
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- {
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- /* all LTR */
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- fribidi_base_dir = FRIBIDI_PAR_LTR;
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- memset (embedding_levels_list, 0, n_chars);
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memset (embedding_levels_list, 0, n_chars);
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- goto resolved;
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- }
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- /* The case that all resolved levels will be RTL is much more complex.
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@ -198,9 +199,6 @@ index 32858f7..d60b038 100644
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- /* fribidi_get_par_embedding_levels() failed. */
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- memset (embedding_levels_list, 0, length);
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- }
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+ /* all LTR */
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+ /* fribidi_get_par_embedding_levels() failed. */
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+ memset (embedding_levels_list, 0, length);
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resolved:
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g_free (bidi_types);
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@ -211,7 +209,7 @@ index 32858f7..d60b038 100644
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return embedding_levels_list;
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}
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@@ -260,17 +165,6 @@ resolved:
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@@ -260,17 +161,6 @@ resolved:
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PangoDirection
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pango_unichar_direction (gunichar ch)
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{
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