add stdin, stdout, stderr implementation in newlib.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1031 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-10-29 05:57:19 +00:00
parent fb7d4122fc
commit 0486182353
2 changed files with 900 additions and 4 deletions

View File

@ -12,9 +12,11 @@ void libc_system_init(const char* tty_name)
/* open console as stdin/stdout/stderr */
fd = open("/dev/console", O_RDONLY, 0); /* for stdin */
rt_kprintf("stdin: %d\n", fd);
fd = open("/dev/console", O_WRONLY, 0); /* for stdout */
rt_kprintf("stdout: %d\n", fd);
fd = open("/dev/console", O_WRONLY, 0); /* for stderr */
rt_kprintf("stderr: %d\n", fd);
/* set PATH and HOME */
putenv("PATH=/");
putenv("HOME=/");
}

View File

@ -201,16 +201,910 @@ _free_r (struct _reent *ptr, void *addr)
rt_free (addr);
}
void __assert(const char *file, int line, const char *failedexpr)
{
rt_kprintf("assertion \"%s\" failed: file \"%s\", line %d\n",
failedexpr, file, line);
RT_ASSERT(0);
}
void
_exit (int status)
{
rt_kprintf("thread:%s exit with %d\n", rt_thread_self()->name, status);
RT_ASSERT(0);
}
#ifdef RT_USING_FINSH
#include <finsh.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
void nltest()
#include <string.h>
#include <time.h>
#include <sys/time.h>
char * format[] = {
"%",
"%0.",
"%.0",
"%+0.",
"%+.0",
"%.5",
"%+.5",
"%2.5",
"%22.5",
"%022.5",
"%#022.5",
"%-#022.5",
"%+#022.5",
"%-22.5",
"%+22.5",
"%--22.5",
"%++22.5",
"%+-22.5",
"%-+22.5",
"%-#022.5",
"%-#22.5",
"%-2.22",
"%+2.22",
"%-#02.22",
"%-#2.22",
"%-1.5",
"%1.5",
"%-#01.5",
"%-#1.5",
"%-#.5",
"%-#1.",
"%-#.",
NULL
};
static void
intchk (const char *fmt)
{
(void) printf("%15s :, \"", fmt);
(void) printf(fmt, 0);
(void) printf("\", \"");
(void) printf(fmt, 123);
(void) printf("\", \"");
(void) printf(fmt, -18);
(void) printf("\"\n");
}
static void
fltchk (const char *fmt)
{
(void) printf("%15s :, \"", fmt);
(void) printf(fmt, 0.0);
(void) printf("\", \"");
(void) printf(fmt, 123.0001);
(void) printf("\", \"");
(void) printf(fmt, -18.0002301);
(void) printf("\"\n");
}
void fprintf_test()
{
printf("stdout test!!\n");
fprintf(stdout, "fprintf test!!\n");
fprintf(stderr, "fprintf test!!\n");
puts("puts test!!\n");
}
int speed()
{
int i;
time_t t;
printf("%d\n", time(0));
for (i=0; i<10000000; ++i)
t=time(0);
printf("%d\n", time(0));
return 0;
}
int printf_test()
{
char buf[256];
int i;
printf("%s\n\n", "# vim:syntax=off:");
/* integers */
for(i=0;format[i];i++) {
strcpy(buf, format[i]);
strcat(buf, "d");
intchk(buf);
}
/* floats */
for(i=0;format[i];i++) {
strcpy(buf, format[i]);
strcat(buf, "f");
fltchk(buf);
}
/* hexa */
for(i=0;format[i];i++) {
strcpy(buf, format[i]);
strcat(buf, "x");
intchk(buf);
}
printf("#%.4x %4x#\n", 4, 88);
printf("#%4x#\n",4);
printf("#%#22.8x#\n",1234567);
printf("#%+2i#\n",18);
printf("#%i#\n",18);
printf("#%llu#\n",4294967297ULL);
printf("#%#x#\n",44444);
printf("#%-8i#\n",33);
printf("#%i#\n",18);
printf("#%d#\n",18);
printf("#%u#\n",18);
printf("#%lu#\n",18);
printf("#%li#\n",18);
printf("#%-+#06d#\n", -123);
printf("#%-+#6d#\n", -123);
printf("#%+#06d#\n", -123);
printf("#%06d#\n", -123);
printf("#%+15s#\n","ABCDEF");
/* from ncurses make_keys */
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 16, 16, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 16, 2, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 2, 16, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 16, 0, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 0, 16, "KEY_A1", "key_a1");
printf("{ %4d, %-*.*s },\t/* %s */\n", 139, 0, 0, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 16, 16, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 16, 2, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 2, 16, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 16, 0, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 0, 16, "KEY_A1", "key_a1");
printf("{ %4d, %*.*s },\t/* %s */\n", 139, 0, 0, "KEY_A1", "key_a1");
printf("%*.*f\n", 0, 16, 0.0);
printf("%*.*f\n", 16, 16, 0.0);
printf("%*.*f\n", 2, 2, -0.0);
printf("%*.*f\n", 20, 0, -123.123);
printf("%*.*f\n", 10, 0, +123.123);
i = printf("\"%s\"\n","A");
printf("%i\n", i);
/* from glibc's tst-printf.c */
{
char buf[20];
char buf2[512];
int i;
printf ("snprintf (\"%%30s\", \"foo\") == %d, \"%.*s\"\n",
snprintf (buf, sizeof (buf), "%30s", "foo"), (int) sizeof (buf),
buf);
memset(buf2,0,sizeof(buf));
i=snprintf(buf2, 256, "%.9999u", 10);
printf("%i %i\n",i,strlen(buf2));
printf ("snprintf (\"%%.999999u\", 10) == %d\n",
snprintf(buf2, sizeof(buf2), "%.999999u", 10));
}
return 0;
}
#if 0 // FAILED: no glob
#include <glob.h>
int glob_test()
{
glob_t g;
int i;
printf("%d\n", glob("/*.hdc",0,0,&g));
for (i=0; i<g.gl_pathc; ++i)
printf(" %s\n",g.gl_pathv[i]);
return 0;
}
#endif
#include <assert.h>
int getenv_test()
{
printf("PATH=%s\n", getenv("PATH"));
putenv("foo=bar");
printf("foo=%s\n", getenv("foo"));
return 0;
}
void dprintf_test()
{
int fd;
fd = open("/dev/console", O_WRONLY, 0);
if (fd >0)
{
dprintf(fd, "fd:%d printf test!!\n", fd);
close(fd);
}
}
#if 0 // FAILED: no dirname
#include <libgen.h>
#include <assert.h>
int dirname_test()
{
char s[80];
strncpy(s,"/usr/lib",80); assert(strcmp(dirname(s), "/usr")==0);
strncpy(s,"/usr/",80); assert(strcmp(dirname(s), "/")==0);
strncpy(s,"usr",80); assert(strcmp(dirname(s), ".")==0);
strncpy(s,"usr/test",80); assert(strcmp(dirname(s), "usr")==0);
strncpy(s,"usr/test/test2",80); assert(strcmp(dirname(s), "usr/test")==0);
strncpy(s,"/usr",80); assert(strcmp(dirname(s), "/")==0);
strncpy(s,"/",80); assert(strcmp(dirname(s), "/")==0);
strncpy(s,".",80); assert(strcmp(dirname(s), ".")==0);
strncpy(s,"..",80); assert(strcmp(dirname(s), ".")==0);
strncpy(s,"////",80); assert(strcmp(dirname(s), "/")==0);
strncpy(s,"//",80); assert(strcmp(dirname(s), "/")==0);
assert(strcmp(dirname(NULL),".")==0);
s[0]=0; assert(strcmp(dirname(s), ".")==0);
puts("OK");
return 0;
}
#endif
void fdopen_test()
{
int fd;
FILE* fp;
fd = open("/dev/console", O_WRONLY, 0);
if (fd >0)
{
fp = fdopen(fd, "w");
fprintf(fp, "fdopen test, fd %d!!\n", fileno(fp));
fclose(fp);
}
}
static int errors = 0;
static void
merror (const char *msg)
{
++errors;
printf ("Error: %s\n", msg);
}
int malloc_test (void)
{
void *p;
int save;
errno = 0;
p = malloc (-1);
save = errno;
if (p != NULL)
merror ("malloc (-1) succeeded.");
if (p == NULL && save != ENOMEM)
merror ("errno is not set correctly");
p = malloc (10);
if (p == NULL)
merror ("malloc (10) failed.");
/* realloc (p, 0) == free (p). */
p = realloc (p, 0);
if (p != NULL)
merror ("realloc (p, 0) failed.");
p = malloc (0);
if (p == NULL)
merror ("malloc (0) failed.");
p = realloc (p, 0);
if (p != NULL)
merror ("realloc (p, 0) failed.");
return errors != 0;
}
void putc_test()
{
putc ('1', stderr);
putc ('2', stderr);
putc ('\n', stderr);
}
#include <dirent.h>
int dirent_test ()
{
DIR * dirp;
long int save3 = 0;
long int cur;
int i = 0;
int result = 0;
struct dirent *dp;
dirp = opendir ("/");
for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
{
/* save position 3 (after fourth entry) */
if (i++ == 3)
save3 = telldir (dirp);
printf ("%s\n", dp->d_name);
/* stop at 400 (just to make sure dirp->__offset and dirp->__size are
scrambled */
if (i == 400)
break;
}
printf ("going back past 4-th entry...\n");
/* go back to saved entry */
seekdir (dirp, save3);
/* Check whether telldir equals to save3 now. */
cur = telldir (dirp);
if (cur != save3)
{
printf ("seekdir (d, %ld); telldir (d) == %ld\n", save3, cur);
result = 1;
}
/* print remaining files (3-last) */
for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
printf ("%s\n", dp->d_name);
closedir (dirp);
return result;
}
int
rand_test (void)
{
int i1, i2;
int j1, j2;
/* The C standard says that "If rand is called before any calls to
srand have been made, the same sequence shall be generated as
when srand is first called with a seed value of 1." */
i1 = rand();
i2 = rand();
srand (1);
j1 = rand();
j2 = rand();
if (i1 < 0 || i2 < 0 || j1 < 0 || j2 < 0) {
puts ("Test FAILED!");
}
if (j1 == i1 && j2 == i2)
{
puts ("Test succeeded.");
return 0;
}
else
{
if (j1 != i1)
printf ("%d != %d\n", j1, i1);
if (j2 != i2)
printf ("%d != %d\n", j2, i2);
puts ("Test FAILED!");
return 1;
}
}
void sleep(int tick)
{
rt_thread_sleep(tick);
}
#include <sys/stat.h>
int
fseek_test (void)
{
const char *tmpdir;
char *fname;
int fd;
FILE *fp;
const char outstr[] = "hello world!\n";
char strbuf[sizeof outstr];
char buf[200];
struct stat st1;
struct stat st2;
int result = 0;
tmpdir = getenv ("TMPDIR");
if (tmpdir == NULL || tmpdir[0] == '\0')
tmpdir = "/tmp";
asprintf (&fname, "%s/tst-fseek.XXXXXX", tmpdir);
if (fname == NULL) {
fprintf(stderr, "cannot generate name for temporary file: %s\n",strerror(errno));
return 1;
}
/* Create a temporary file. */
fd = mkstemp (fname);
if (fd == -1) {
fprintf(stderr, "cannot open temporary file: %s\n",strerror(errno));
return 1;
}
fp = fdopen (fd, "w+");
if (fp == NULL) {
fprintf(stderr, "cannot get FILE for temporary file: %s\n",strerror(errno));
return 1;
}
setbuffer (fp, strbuf, sizeof (outstr) -1);
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: write error\n", __LINE__);
result = 1;
goto out;
}
/* The EOF flag must be reset. */
if (fgetc (fp) != EOF)
{
printf ("%d: managed to read at end of file\n", __LINE__);
result = 1;
}
else if (! feof (fp))
{
printf ("%d: EOF flag not set\n", __LINE__);
result = 1;
}
if (fseek (fp, 0, SEEK_CUR) != 0)
{
printf ("%d: fseek(fp, 0, SEEK_CUR) failed\n", __LINE__);
result = 1;
}
else if (feof (fp))
{
printf ("%d: fseek() didn't reset EOF flag\n", __LINE__);
result = 1;
}
/* Do the same for fseeko(). */
if (fgetc (fp) != EOF)
{
printf ("%d: managed to read at end of file\n", __LINE__);
result = 1;
}
else if (! feof (fp))
{
printf ("%d: EOF flag not set\n", __LINE__);
result = 1;
}
if (fseeko (fp, 0, SEEK_CUR) != 0)
{
printf ("%d: fseek(fp, 0, SEEK_CUR) failed\n", __LINE__);
result = 1;
}
else if (feof (fp))
{
printf ("%d: fseek() didn't reset EOF flag\n", __LINE__);
result = 1;
}
/* Go back to the beginning of the file: absolute. */
if (fseek (fp, 0, SEEK_SET) != 0)
{
printf ("%d: fseek(fp, 0, SEEK_SET) failed\n", __LINE__);
result = 1;
}
else if (fflush (fp) != 0)
{
printf ("%d: fflush() failed\n", __LINE__);
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
int pos = lseek (fd, 0, SEEK_CUR);
printf ("%d: lseek() returned different position, pos %d\n", __LINE__, pos);
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: fread() failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
printf ("%d: content after fseek(,,SEEK_SET) wrong\n", __LINE__);
result = 1;
}
/* Now with fseeko. */
if (fseeko (fp, 0, SEEK_SET) != 0)
{
printf ("%d: fseeko(fp, 0, SEEK_SET) failed\n", __LINE__);
result = 1;
}
else if (fflush (fp) != 0)
{
printf ("%d: fflush() failed\n", __LINE__);
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
printf ("%d: lseek() returned different position\n", __LINE__);
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: fread() failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
printf ("%d: content after fseeko(,,SEEK_SET) wrong\n", __LINE__);
result = 1;
}
/* Go back to the beginning of the file: relative. */
if (fseek (fp, -((int) sizeof (outstr) - 1), SEEK_CUR) != 0)
{
printf ("%d: fseek(fp, 0, SEEK_SET) failed\n", __LINE__);
result = 1;
}
else if (fflush (fp) != 0)
{
printf ("%d: fflush() failed\n", __LINE__);
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
printf ("%d: lseek() returned different position\n", __LINE__);
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: fread() failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
printf ("%d: content after fseek(,,SEEK_SET) wrong\n", __LINE__);
result = 1;
}
/* Now with fseeko. */
if (fseeko (fp, -((int) sizeof (outstr) - 1), SEEK_CUR) != 0)
{
printf ("%d: fseeko(fp, 0, SEEK_SET) failed\n", __LINE__);
result = 1;
}
else if (fflush (fp) != 0)
{
printf ("%d: fflush() failed\n", __LINE__);
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
printf ("%d: lseek() returned different position\n", __LINE__);
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: fread() failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
printf ("%d: content after fseeko(,,SEEK_SET) wrong\n", __LINE__);
result = 1;
}
/* Go back to the beginning of the file: from the end. */
if (fseek (fp, -((int) sizeof (outstr) - 1), SEEK_END) != 0)
{
printf ("%d: fseek(fp, 0, SEEK_SET) failed\n", __LINE__);
result = 1;
}
else if (fflush (fp) != 0)
{
printf ("%d: fflush() failed\n", __LINE__);
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
printf ("%d: lseek() returned different position\n", __LINE__);
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: fread() failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
printf ("%d: content after fseek(,,SEEK_SET) wrong\n", __LINE__);
result = 1;
}
/* Now with fseeko. */
if (fseeko (fp, -((int) sizeof (outstr) - 1), SEEK_END) != 0)
{
printf ("%d: fseeko(fp, 0, SEEK_SET) failed\n", __LINE__);
result = 1;
}
else if (fflush (fp) != 0)
{
printf ("%d: fflush() failed\n", __LINE__);
result = 1;
}
else if (lseek (fd, 0, SEEK_CUR) != 0)
{
printf ("%d: lseek() returned different position\n", __LINE__);
result = 1;
}
else if (fread (buf, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: fread() failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0)
{
printf ("%d: content after fseeko(,,SEEK_SET) wrong\n", __LINE__);
result = 1;
}
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: write error 2\n", __LINE__);
result = 1;
goto out;
}
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: write error 3\n", __LINE__);
result = 1;
goto out;
}
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: write error 4\n", __LINE__);
result = 1;
goto out;
}
if (fwrite (outstr, sizeof (outstr) - 1, 1, fp) != 1)
{
printf ("%d: write error 5\n", __LINE__);
result = 1;
goto out;
}
if (fputc ('1', fp) == EOF || fputc ('2', fp) == EOF)
{
printf ("%d: cannot add characters at the end\n", __LINE__);
result = 1;
goto out;
}
/* Check the access time. */
if (fstat (fd, &st1) < 0)
{
printf ("%d: fstat64() before fseeko() failed\n\n", __LINE__);
result = 1;
}
else
{
sleep (1);
if (fseek (fp, -(2 + 2 * (sizeof (outstr) - 1)), SEEK_CUR) != 0)
{
printf ("%d: fseek() after write characters failed\n", __LINE__);
result = 1;
goto out;
}
else
{
time_t t;
/* Make sure the timestamp actually can be different. */
sleep (1);
t = time (NULL);
if (fstat (fd, &st2) < 0)
{
printf ("%d: fstat64() after fseeko() failed\n\n", __LINE__);
result = 1;
}
if (st1.st_ctime >= t)
{
printf ("%d: st_ctime not updated\n", __LINE__);
result = 1;
}
if (st1.st_mtime >= t)
{
printf ("%d: st_mtime not updated\n", __LINE__);
result = 1;
}
if (st1.st_ctime >= st2.st_ctime)
{
printf ("%d: st_ctime not changed\n", __LINE__);
result = 1;
}
if (st1.st_mtime >= st2.st_mtime)
{
printf ("%d: st_mtime not changed\n", __LINE__);
result = 1;
}
}
}
if (fread (buf, 1, 2 + 2 * (sizeof (outstr) - 1), fp)
!= 2 + 2 * (sizeof (outstr) - 1))
{
printf ("%d: reading 2 records plus bits failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0
|| memcmp (&buf[sizeof (outstr) - 1], outstr,
sizeof (outstr) - 1) != 0
|| buf[2 * (sizeof (outstr) - 1)] != '1'
|| buf[2 * (sizeof (outstr) - 1) + 1] != '2')
{
printf ("%d: reading records failed\n", __LINE__);
result = 1;
}
else if (ungetc ('9', fp) == EOF)
{
printf ("%d: ungetc() failed\n", __LINE__);
result = 1;
}
else if (fseek (fp, -(2 + 2 * (sizeof (outstr) - 1)), SEEK_END) != 0)
{
printf ("%d: fseek after ungetc failed\n", __LINE__);
result = 1;
}
else if (fread (buf, 1, 2 + 2 * (sizeof (outstr) - 1), fp)
!= 2 + 2 * (sizeof (outstr) - 1))
{
printf ("%d: reading 2 records plus bits failed\n", __LINE__);
result = 1;
}
else if (memcmp (buf, outstr, sizeof (outstr) - 1) != 0
|| memcmp (&buf[sizeof (outstr) - 1], outstr,
sizeof (outstr) - 1) != 0
|| buf[2 * (sizeof (outstr) - 1)] != '1')
{
printf ("%d: reading records for the second time failed\n", __LINE__);
result = 1;
}
else if (buf[2 * (sizeof (outstr) - 1) + 1] == '9')
{
printf ("%d: unget character not ignored\n", __LINE__);
result = 1;
}
else if (buf[2 * (sizeof (outstr) - 1) + 1] != '2')
{
printf ("%d: unget somehow changed character\n", __LINE__);
result = 1;
}
fclose (fp);
fp = fopen (fname, "r");
if (fp == NULL)
{
printf ("%d: fopen() failed\n\n", __LINE__);
result = 1;
}
else if (fstat (fileno (fp), &st1) < 0)
{
printf ("%d: fstat64() before fseeko() failed\n\n", __LINE__);
result = 1;
}
else if (fseeko (fp, 0, SEEK_END) != 0)
{
printf ("%d: fseeko(fp, 0, SEEK_END) failed\n", __LINE__);
result = 1;
}
else if (ftello (fp) != st1.st_size)
{
printf ("%d: fstat64 st_size %zd ftello %zd\n", __LINE__,
(size_t) st1.st_size, (size_t) ftello (fp));
result = 1;
}
else
printf ("%d: SEEK_END works\n", __LINE__);
if (fp != NULL)
fclose (fp);
fp = fopen (fname, "r");
if (fp == NULL)
{
printf ("%d: fopen() failed\n\n", __LINE__);
result = 1;
}
else if (fstat (fileno (fp), &st1) < 0)
{
printf ("%d: fstat64() before fgetc() failed\n\n", __LINE__);
result = 1;
}
else if (fgetc (fp) == EOF)
{
printf ("%d: fgetc() before fseeko() failed\n\n", __LINE__);
result = 1;
}
else if (fseeko (fp, 0, SEEK_END) != 0)
{
printf ("%d: fseeko(fp, 0, SEEK_END) failed\n", __LINE__);
result = 1;
}
else if (ftello (fp) != st1.st_size)
{
printf ("%d: fstat64 st_size %zd ftello %zd\n", __LINE__,
(size_t) st1.st_size, (size_t) ftello (fp));
result = 1;
}
else
printf ("%d: SEEK_END works\n", __LINE__);
if (fp != NULL)
fclose (fp);
out:
unlink (fname);
return result;
}
const char* text = "this is a test string\n";
void lseek_test()
{
int fd;
fd = open("/tmp/tt.txt", O_WRONLY | O_CREAT, 0);
if (fd < 0)
{
printf("open failed\n");
return ;
}
write(fd, text, strlen(text) + 1);
printf("begin: %d\n", lseek(fd, 0, SEEK_SET));
printf("end: %d\n", lseek(fd, 0, SEEK_END));
close(fd);
}
void fstat_test()
{
int fd;
struct stat s;
fd = open("/tmp/tt.txt", O_WRONLY | O_CREAT, 0);
if (fd < 0)
{
printf("open failed\n");
return ;
}
write(fd, text, strlen(text) + 1);
printf("begin: %d\n", lseek(fd, 0, SEEK_SET));
printf("end: %d\n", lseek(fd, 0, SEEK_END));
printf("fstat result: %d\n", fstat(fd, &s));
close(fd);
}
void nltest()
{
fseek_test();
}
FINSH_FUNCTION_EXPORT(nltest, newlib test);
#endif