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* src/reader.c (packgram): Catch nitems overflows.

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Akim Demaille
2001-12-27 18:06:41 +00:00
parent 14d293acb2
commit adc8c84856
3 changed files with 14 additions and 0 deletions
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ChangeLog
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@@ -1,3 +1,8 @@
2001-12-27 Akim Demaille <akim@epita.fr>
* src/reader.c (packgram): Catch nitems overflows.
2001-12-27 Akim Demaille <akim@epita.fr> 2001-12-27 Akim Demaille <akim@epita.fr>
* src/files.c, src/files.h (guard_obstack): Remove. * src/files.c, src/files.h (guard_obstack): Remove.

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NEWS
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@@ -2,6 +2,11 @@ Bison News
---------- ----------
Changes in version 1.49a: Changes in version 1.49a:
* items overflow
Bison no longer dumps core when there are too many items, it just
dies.
Changes in version 1.30: Changes in version 1.30:

4
src/reader.c
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@@ -1692,6 +1692,10 @@ packgram (void)
int ruleno; int ruleno;
symbol_list *p; symbol_list *p;
/* We use short to index items. */
if (nitems >= MAXSHORT)
fatal (_("too many items (max %d)"), MAXSHORT);
ritem = XCALLOC (short, nitems + 1); ritem = XCALLOC (short, nitems + 1);
rule_table = XCALLOC (rule_t, nrules) - 1; rule_table = XCALLOC (rule_t, nrules) - 1;