[Bug 222530] New: inconsistent sscanf %d parsing

https://bugzilla.novell.com/show_bug.cgi?id=222530 Summary: inconsistent sscanf %d parsing Product: SUSE LINUX 10.0 Version: Final Platform: x86-64 OS/Version: Linux Status: NEW Severity: Critical Priority: P5 - None Component: Development AssignedTo: pth@novell.com ReportedBy: matthias.andree@gmx.de QAContact: qa@suse.de sscanf parsing %d is inconsistent between 32 and 64 bit modes WRT overflow handling: ma@host:~> gcc -m64 -O -otry try.c ma@host:~> ./try n=1, i=-1, errno=34/Numerical result out of range n=1, i=-1, errno=0/Success n=1, i=2147483647, errno=0/Success ma@host:~> gcc -m32 -O -otry try.c ma@host:~> ./try n=1, i=2147483647, errno=34/Numerical result out of range n=1, i=2147483647, errno=34/Numerical result out of range n=1, i=2147483647, errno=0/Success ma@host:~> cat try.c #include #include #include #include int main(void) { int n, i, e; errno=0; n = sscanf("18446744073709551615","%d", &i); e = errno; printf("n=%d, i=%d, errno=%d/%s\n", n, i, e, strerror(e)); errno=0; n = sscanf("4294967295","%d", &i); e = errno; printf("n=%d, i=%d, errno=%d/%s\n", n, i, e, strerror(e)); errno=0; n = sscanf("2147483647","%d", &i); e = errno; printf("n=%d, i=%d, errno=%d/%s\n", n, i, e, strerror(e)); exit(EXIT_SUCCESS); } -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.