diff options
Diffstat (limited to 'stdio-common/tstdiomisc.c')
-rw-r--r-- | stdio-common/tstdiomisc.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/stdio-common/tstdiomisc.c b/stdio-common/tstdiomisc.c new file mode 100644 index 0000000..0bd5515 --- /dev/null +++ b/stdio-common/tstdiomisc.c @@ -0,0 +1,40 @@ +#include <stdio.h> + +void +t1 () +{ + int n = -1; + sscanf ("abc ", "abc %n", &n); + printf ("t1: count=%d\n", n); +} + +void +t2 () +{ + int n; + long N; + int retval; +#define SCAN(INPUT, FORMAT, VAR) \ + VAR = -1; \ + retval = sscanf (INPUT, FORMAT, &VAR); \ + printf ("sscanf (\"%s\", \"%s\", &x) => %d, x = %ld\n", \ + INPUT, FORMAT, retval, VAR); + + SCAN ("12345", "%ld", N); + SCAN ("12345", "%llllld", N); + SCAN ("12345", "%LLLLLd", N); + SCAN ("test ", "%*s%n", n); + SCAN ("test ", "%2*s%n", n); + SCAN ("12 ", "%l2d", n); + SCAN ("12 ", "%2ld", N); +} + +int +main () +{ + t1 (); + t2 (); + + fflush (stdout); + return 0; +} |