5977114c42
. make common.o link with the tests instead of being #included as common.c . fix warnings about missing prototypes by declaring functions static . reduces some duplicated code Change-Id: Ic2a765d7f5886add5863190efec3fdd2d2ea2137
57 lines
932 B
C
57 lines
932 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <err.h>
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#include <stdlib.h>
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int max_error = 3;
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#include "common.h"
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int subtest = -1;
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static void do_test(void)
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{
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int fd;
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char *wbuf, *rbuf;
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off_t off=0;
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size_t size;
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ssize_t nwritten;
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ssize_t nread;
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char *filename = "pwrite_test_XXXXXXX";
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int i;
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subtest = 1;
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if ((fd = mkstemp(filename)) < 0) e(1);
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size = 1 + rand() % 4096;
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off = rand();
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if((wbuf = malloc(sizeof(char)*size)) == NULL) e(2);
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for(i = 0; i < size; i++) {
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wbuf[i] = 1 + rand()%127;
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}
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if ((nwritten = pwrite(fd, wbuf, size, off)) < 0) e(3);
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if ((rbuf = malloc(sizeof(char)*nwritten)) == NULL) e(4);
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if ((nread = pread(fd, rbuf, nwritten, off)) < 0) e(5);
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if (strncmp(rbuf, wbuf, nread) != 0) e(6);
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close(fd);
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free(wbuf);
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unlink(filename);
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}
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int main(void)
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{
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start(54);
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do_test();
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quit();
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return(-1); /* Unreachable */
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}
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