Few minor fixes

This commit is contained in:
Bahadir Balban
2009-10-13 13:51:30 +03:00
parent c37b9030fd
commit 38ac9052c0
7 changed files with 52 additions and 15 deletions

View File

@@ -26,10 +26,9 @@ int exectest(pid_t parent_of_all)
int left, cnt;
char *argv[5];
char *envp[2];
void *buf;
memset(filename, 0, 128);
sprintf(filename, "/execfile%d", getpid());
sprintf(filename, "/home/bahadir/execfile%d", getpid());
/* First create a new file and write the executable data to that file */
if ((fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, S_IRWXU)) < 0) {
@@ -67,6 +66,7 @@ int exectest(pid_t parent_of_all)
goto out_err;
}
#if 0
/* Reopen */
if ((fd = open(filename, O_RDONLY, S_IRWXU)) < 0) {
err = errno;
@@ -82,7 +82,7 @@ int exectest(pid_t parent_of_all)
printf("First page of read and written file doesn't match\n");
else
printf("First page matches.\n");
#endif
/* Set up some arguments */
argv[0] = "FIRST ARG";
argv[1] = "SECOND ARG";

View File

@@ -8,6 +8,41 @@
#include <tests.h>
#include <errno.h>
#define PAGE_SIZE 0x1000
int small_io_test(void)
{
int fd1, fd2;
char *string = "abcdefg";
char strbuf[30];
char *path = "/text.txt";
fd1 = open(path, O_TRUNC | O_RDWR | O_CREAT, S_IRWXU);
fd2 = open(path, O_RDWR, 0);
printf("fd1: %d, fd2: %d\n", fd1, fd2);
perror("OPEN");
for (int i = 0; i < 4; i++) {
sprintf(strbuf, "%s%d", string, i);
printf("Writing to %s offset %x, string: %s\n",
path, i*PAGE_SIZE, strbuf);
lseek(fd1, i*PAGE_SIZE, SEEK_SET);
write(fd1, strbuf, strlen(strbuf) + 1);
}
close(fd1);
memset(strbuf, 0, 30);
for (int i = 0; i < 4; i++) {
lseek(fd2, i*PAGE_SIZE, SEEK_SET);
read(fd2, strbuf, 30);
printf("Read %s, offset %x as %s\n", path, i*PAGE_SIZE, strbuf);
}
close(fd2);
return 0;
}
int fileio(void)
{
int fd;