CS318 - Pintos
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write-normal.c
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1 /** Try writing a file in the most normal way. */
2 
3 #include <syscall.h>
4 #include "tests/userprog/sample.inc"
5 #include "tests/lib.h"
6 #include "tests/main.h"
7 
8 void
9 test_main (void)
10 {
11  int handle, byte_cnt;
12 
13  CHECK (create ("test.txt", sizeof sample - 1), "create \"test.txt\"");
14  CHECK ((handle = open ("test.txt")) > 1, "open \"test.txt\"");
15 
16  byte_cnt = write (handle, sample, sizeof sample - 1);
17  if (byte_cnt != sizeof sample - 1)
18  fail ("write() returned %d instead of %zu", byte_cnt, sizeof sample - 1);
19 }
20 
lib.h
write
int write(int fd, const void *buffer, unsigned size)
Definition: syscall.c:121
CHECK
#define CHECK(SUCCESS,...)
Takes an expression to test for SUCCESS and a message, which may include printf-style arguments.
Definition: lib.h:29
byte_cnt
static size_t byte_cnt(size_t bit_cnt)
Returns the number of bytes required for BIT_CNT bits.
Definition: bitmap.c:58
open
int open(const char *file)
Definition: syscall.c:103
fail
void fail(const char *format,...)
Definition: lib.c:40
test_main
void test_main(void)
Try writing a file in the most normal way.
Definition: write-normal.c:9
main.h
create
bool create(const char *file, unsigned initial_size)
Definition: syscall.c:91
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