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2003-10-01 Roland McGrath <roland@redhat.com>

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* signal.c [LINUX] (parse_sigset_t): Rewrite to process hex strings
	from right to left so we don't have to presume the size.
	Fixes RH#105995.  Reported by David Woodhouse <dwmw2@redhat.com>.
This commit is contained in:
Roland McGrath 2003-10-01 07:50:28 +00:00
parent 268e9043a9
commit c38fecaf91
1 changed files with 12 additions and 4 deletions
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16
signal.c
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@ -765,16 +765,24 @@ int verbose;
static void
parse_sigset_t (const char *str, sigset_t *set)
{
const char *p;
unsigned int digit;
int i;
sigemptyset(set);
for (i = _NSIG - 4; i >= 0; i -= 4, ++str) {
if (*str >= 'a')
digit = (*str - 'a') + 10;
p = strchr(str, '\n');
if (p == NULL)
p = strchr(str, '\0');
for (i = 0; p-- > str; i += 4) {
if (*p >= '0' && *p <= '9')
digit = *p - '0';
else if (*p >= 'a' && *p <= 'f')
digit = *p - 'a';
else if (*p >= 'A' && *p <= 'F')
digit = *p - 'A';
else
digit = *str - '0';
break;
if (digit & 1)
sigaddset(set, i + 1);
if (digit & 2)