mirror of
https://github.com/drasko/codezero.git
synced 2026-04-18 09:49:05 +02:00
94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <tests.h>
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#include <errno.h>
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#include <printf.h>
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int fileio(void)
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{
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int fd;
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ssize_t cnt;
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int err;
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char buf[128];
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off_t offset;
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int tid = getpid();
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char *str = "I WROTE TO THIS FILE\n";
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char filename[128];
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memset(buf, 0, 128);
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memset(filename, 0, 128);
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sprintf(filename, "/home/bahadir/newfile%d.txt", tid);
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if ((fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU)) < 0) {
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test_printf("OPEN: %d", errno);
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goto out_err;
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}
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test_printf("%d: Created %s\n", tid, filename);
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test_printf("%d: write.\n", tid);
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if ((int)(cnt = write(fd, str, strlen(str))) < 0) {
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test_printf("WRITE: %d", errno);
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goto out_err;
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}
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test_printf("%d: lseek.\n", tid);
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if ((int)(offset = lseek(fd, 0, SEEK_SET)) < 0) {
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test_printf("LSEEK: %d", errno);
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goto out_err;
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}
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test_printf("%d: read.\n", tid);
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if ((int)(cnt = read(fd, buf, strlen(str))) < 0) {
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test_printf("READ: %d", errno);
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goto out_err;
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}
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test_printf("%d: Read: %d bytes from file.\n", tid, cnt);
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if (cnt) {
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test_printf("%d: Read string: %s\n", tid, buf);
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if (strcmp(buf, str)) {
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test_printf("Strings not the same:\n");
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test_printf("Str: %s\n", str);
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test_printf("Buf: %s\n", buf);
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goto out_err;
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}
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}
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if ((err = close(fd)) < 0) {
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test_printf("CLOSE: %d", errno);
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goto out_err;
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}
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if (getpid() == parent_of_all)
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printf("FILE IO TEST -- PASSED --\n");
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return 0;
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out_err:
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printf("FILE IO TEST -- FAILED --\n");
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return 0;
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}
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#if defined(HOST_TESTS)
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int main(void)
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{
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test_printf("File IO test 1:\n");
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if (fileio() == 0)
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test_printf("-- PASSED --\n");
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else
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test_printf("-- FAILED --\n");
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test_printf("File IO test 2:\n");
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if (fileio2() == 0)
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test_printf("-- PASSED --\n");
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else
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test_printf("-- FAILED --\n");
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return 0;
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}
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#endif
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