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The call "socat -r - PIPE" traced to file ./- instead of issuing a syntax error

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This commit is contained in:
Gerhard Rieger 2021-10-26 20:41:08 +02:00
parent 2fe44bbd78
commit 39e24c2b06
2 changed files with 12 additions and 7 deletions
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3
CHANGES
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@ -45,6 +45,9 @@ Corrections:
now opens the pipe in rw-Mode.
Thanks to Cody J.Soultz for sending a patch.
The call "socat -r - PIPE" traced to file ./- instead of issuing a
syntax error.
Testing:
Prevent the TIMESTAMP tests from sporadically failing due do seconds
overflow

16
socat.c
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@ -92,6 +92,7 @@ int main(int argc, const char *argv[]) {
char buff[10];
double rto;
int i, argc0, result;
bool isdash = false;
struct utsname ubuf;
int lockrc;
@ -316,21 +317,22 @@ int main(int argc, const char *argv[]) {
#endif /* WITH_IP4 || WITH_IP6 */
case '\0':
case ',':
case ':': break; /* this "-" is a variation of STDIO */
case ':':
isdash = true;
break; /* this "-" is a variation of STDIO */
default:
xioinqopt('p', buff, sizeof(buff));
xioinqopt('p', buff, sizeof(buff)); /* fetch pipe separator char */
if (arg1[0][1] == buff[0]) {
isdash = true;
break;
}
Error1("unknown option \"%s\"; use option \"-h\" for help", arg1[0]);
Exit(1);
}
/* the leading "-" might be a form of the first address */
xioinqopt('p', buff, sizeof(buff));
if (arg1[0][0] == '-' &&
(arg1[0][1] == '\0' || arg1[0][1] == ':' ||
arg1[0][1] == ',' || arg1[0][1] == buff[0]))
if (isdash) {
/* the leading "-" is a form of the first address */
break;
}
++arg1; --argc;
}
if (argc != 2) {