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Fixed minor faults during close path.

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FIXME:
write/close/open/read sequence does not read the initially written data.
Investigate.
This commit is contained in:
Bahadir Balban
2008-05-23 05:42:26 +00:00
parent 6be310f460
commit fd787479c3
6 changed files with 99 additions and 12 deletions
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68
tasks/test0/src/fileio.c
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@@ -7,6 +7,63 @@
#include <string.h>
#include <tests.h>
int fileio2(void)
{
int fd;
ssize_t cnt;
int err;
char buf[128];
off_t offset;
char *str = "I WROTE TO THIS FILE\n";
if ((fd = open("/home/bahadir/newfile2.txt", O_RDWR | O_CREAT | O_TRUNC, S_IRWXU)) < 0) {
perror("OPEN");
return -1;
}
printf("Created newfile.txt\n");
printf("%s: write.\n", __TASKNAME__);
if ((int)(cnt = write(fd, str, strlen(str))) < 0) {
perror("WRITE");
return -1;
}
printf("%s: close.\n", __TASKNAME__);
if ((err = close(fd)) < 0) {
printf("Close failed.\n");
perror("CLOSE");
return -1;
}
printf("%s: re-open.\n", __TASKNAME__);
if ((fd = open("/home/bahadir/newfile2.txt", O_RDWR, S_IRWXU)) < 0) {
perror("OPEN");
return -1;
}
printf("%s: lseek.\n", __TASKNAME__);
if ((int)(offset = lseek(fd, 0, SEEK_SET)) < 0) {
perror("LSEEK");
return -1;
}
printf("%s: read.\n", __TASKNAME__);
if ((int)(cnt = read(fd, buf, strlen(str))) < 0) {
perror("READ");
return -1;
}
printf("Read: %d bytes from file.\n", cnt);
if (cnt) {
printf("Read string: %s\n", buf);
}
if ((err = close(fd)) < 0) {
perror("CLOSE");
return -1;
}
return 0;
}
int fileio(void)
{
int fd;
@@ -56,9 +113,18 @@ int fileio(void)
#if defined(HOST_TESTS)
int main(void)
{
printf("File IO test:\n");
printf("File IO test 1:\n");
if (fileio() == 0)
printf("-- PASSED --\n");
else
printf("-- FAILED --\n");
printf("File IO test 2:\n");
if (fileio2() == 0)
printf("-- PASSED --\n");
else
printf("-- FAILED --\n");
return 0;
}