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gcc.c (validate_switches): Robustify against skipping past '\0'.

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2002-12-18  Loren James Rittle  <rittle@labs.mot.com>

	* gcc.c (validate_switches): Robustify against skipping past '\0'.

From-SVN: r60283
This commit is contained in:
Loren James Rittle 2002-12-19 05:22:53 +00:00 • committed by Geoffrey Keating
parent 064b6c700a
commit 5a0ba8c9ee
2 changed files with 10 additions and 6 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2002-12-18 Loren James Rittle <rittle@labs.mot.com>
* gcc.c (validate_switches): Robustify against skipping past '\0'.
2002-12-18 Geoffrey Keating <geoffk@apple.com> 2002-12-18 Geoffrey Keating <geoffk@apple.com>
* config.gcc: Set extra_objs in the generic Darwin rule, * config.gcc: Set extra_objs in the generic Darwin rule,

12
gcc/gcc.c
View file

@ -6808,11 +6808,11 @@ next_member:
switches[i].validated = 1; switches[i].validated = 1;
} }
p++; if (*p) p++;
if (p[-1] == '|' || p[-1] == '&') if (*p && (p[-1] == '|' || p[-1] == '&'))
goto next_member; goto next_member;
if (p[-1] == ':') if (*p && p[-1] == ':')
{ {
while (*p && *p != ';' && *p != '}') while (*p && *p != ';' && *p != '}')
{ {
@ -6824,11 +6824,11 @@ next_member:
else if (p[0] == 'W' && p[1] == '{') else if (p[0] == 'W' && p[1] == '{')
p = validate_switches (p+2); p = validate_switches (p+2);
} }
p++; if (*p) p++;
} }
p++; if (*p) p++;
if (p[-1] == ';') if (*p && p[-1] == ';')
goto next_member; goto next_member;
} }