Blame src/general/fscanf.c

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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <limits.h>
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#include <unistd.h>
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#include "test.h"
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#define T(f, x, m) do { \
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	r = (f); \
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	if (r != (x)) \
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		error("%s failed (got %d, expected %d, errno \"%s\") (%s)\n", \
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			#f, r, x, errno ? strerror(errno) : "", m); \
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	errno = 0; \
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} while (0)
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#define S(s, x, m) do { \
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	if (strcmp(s, x) != 0) \
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		error("got [%s] want [%s] (%s)\n", s, x, m); \
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} while(0)
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int main(void)
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{
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	int r, x, y;
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	char a[100], b[100];
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	int p[2];
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	FILE *f;
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	T(pipe(p), 0, "open pipe");
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	T(!(f = fdopen(p[0], "rb")), 0, "fdopen pipe");
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	if (!f) {
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		close(p[0]);
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		close(p[1]);
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		return test_status;
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	}
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	T(write(p[1], "hello, world\n", 13), 13, "write to pipe");
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	T(fscanf(f, "%s %[own]", a, b), 2, "");
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	S(a, "hello,", "wrong result for %s");
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	S(b, "wo", "wrong result for %[own]");
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	T(fgetc(f), 'r', "fgetc 'r'");
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	T(write(p[1], " 0x12 0x34", 10), 10, "");
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	T(fscanf(f, "ld %5i%2i", &x, &y), 1, "");
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	T(x, 0x12, "");
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	T(fgetc(f), '3', "fgetc '3'");
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	fclose(f);
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	close(p[1]);
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	return test_status;
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}