X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Flinebreak.c;h=efb6cb06bacfa992110a44c2270e40314e934fd9;hb=3cfbdb16d1cd2d66132179bb1549e0b3ffdec814;hp=8623eb0333e7f61a58d0fed85a243fd77bbff4c9;hpb=7dce93e95aed216724eb68e966450f85dba6a979;p=gnulib.git

diff --git a/lib/linebreak.c b/lib/linebreak.c
index 8623eb033..efb6cb06b 100644
--- a/lib/linebreak.c
+++ b/lib/linebreak.c
@@ -14,7 +14,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 #ifdef HAVE_CONFIG_H
 # include <config.h>
@@ -26,6 +26,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include <stdlib.h>
 #include <string.h>
 #include "c-ctype.h"
+#include "xsize.h"
 
 #include "utf8-ucs4.h"
 
@@ -1023,7 +1024,7 @@ u8_width_linebreaks (const unsigned char *s, size_t n,
               /* No line break for the moment, may be turned into
                  UC_BREAK_POSSIBLE later, via last_p. */
             }
-         
+
           *p = UC_BREAK_PROHIBITED;
 
           w = uc_width (uc, encoding);
@@ -1107,7 +1108,7 @@ u16_width_linebreaks (const unsigned short *s, size_t n,
               /* No line break for the moment, may be turned into
                  UC_BREAK_POSSIBLE later, via last_p. */
             }
-         
+
           *p = UC_BREAK_PROHIBITED;
 
           w = uc_width (uc, encoding);
@@ -1190,7 +1191,7 @@ u32_width_linebreaks (const unsigned int *s, size_t n,
               /* No line break for the moment, may be turned into
                  UC_BREAK_POSSIBLE later, via last_p. */
             }
-         
+
           *p = UC_BREAK_PROHIBITED;
 
           w = uc_width (uc, encoding);
@@ -1519,7 +1520,9 @@ mbs_possible_linebreaks (const char *s, size_t n, const char *encoding,
             {
               /* Convert the string to UTF-8 and build a translation table
                  from offsets into s to offsets into the translated string.  */
-              char *memory = malloc (n * sizeof (size_t) + m + m);
+	      size_t memory_size = xsum3 (xtimes (n, sizeof (size_t)), m, m);
+              char *memory =
+		(size_in_bounds_p (memory_size) ? malloc (memory_size) : NULL);
               if (memory != NULL)
                 {
                   size_t *offtable = (size_t *) memory;
@@ -1612,7 +1615,11 @@ mbs_width_linebreaks (const char *s, size_t n,
             {
               /* Convert the string to UTF-8 and build a translation table
                  from offsets into s to offsets into the translated string.  */
-              char *memory = malloc (n * sizeof (size_t) + m + m + (o != NULL ? m : 0));
+	      size_t memory_size =
+		xsum4 (xtimes (n, sizeof (size_t)), m, m,
+		       (o != NULL ? m : 0));
+	      char *memory =
+		(size_in_bounds_p (memory_size) ? malloc (memory_size) : NULL);
               if (memory != NULL)
                 {
                   size_t *offtable = (size_t *) memory;