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57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
#include <stdio.h>
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int
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t1 (void)
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{
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int n = -1;
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sscanf ("abc ", "abc %n", &n);
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printf ("t1: count=%d\n", n);
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return n != 5;
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}
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int
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t2 (void)
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{
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int result = 0;
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int n;
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long N;
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int retval;
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#define SCAN(INPUT, FORMAT, VAR, EXP_RES, EXP_VAL) \
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VAR = -1; \
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retval = sscanf (INPUT, FORMAT, &VAR); \
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printf ("sscanf (\"%s\", \"%s\", &x) => %d, x = %ld\n", \
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INPUT, FORMAT, retval, (long int) VAR); \
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result |= retval != EXP_RES || VAR != EXP_VAL
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SCAN ("12345", "%ld", N, 1, 12345);
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SCAN ("12345", "%llllld", N, 0, -1);
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SCAN ("12345", "%LLLLLd", N, 0, -1);
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SCAN ("test ", "%*s%n", n, 0, 4);
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SCAN ("test ", "%2*s%n", n, 0, -1);
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SCAN ("12 ", "%l2d", n, 0, -1);
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SCAN ("12 ", "%2ld", N, 1, 12);
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n = -1;
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N = -1;
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retval = sscanf ("1 1", "%d %Z", &n, &N);
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printf ("sscanf (\"1 1\", \"%%d %%Z\", &n, &N) => %d, n = %d, N = %ld\n", \
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retval, n, N); \
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result |= retval != 1 || n != 1 || N != -1;
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return result;
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}
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int
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main (int argc, char *argv[])
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{
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int result = 0;
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result |= t1 ();
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result |= t2 ();
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result |= fflush (stdout) == EOF;
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return result;
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}
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