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Kernel: open() and openat() now take mode as parameter

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O_CREAT now tries to create file if O_CREAT is specified
This commit is contained in:
Bananymous
2023-07-10 15:08:30 +03:00
parent a0ecbed726
commit f7c4bc908e
5 changed files with 38 additions and 11 deletions
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15
libc/fcntl.cpp
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@@ -1,14 +1,25 @@
#include <fcntl.h>
#include <errno.h>
#include <stdarg.h>
#include <sys/syscall.h>
#include <unistd.h>
int open(const char* path, int oflag, ...)
{
return syscall(SYS_OPEN, path, oflag);
va_list args;
va_start(args, oflag);
mode_t mode = va_arg(args, mode_t);
va_end(args);
return syscall(SYS_OPEN, path, oflag, mode);
}
int openat(int fd, const char* path, int oflag, ...)
{
return syscall(SYS_OPENAT, fd, path, oflag);
va_list args;
va_start(args, oflag);
mode_t mode = va_arg(args, mode_t);
va_end(args);
return syscall(SYS_OPENAT, fd, path, oflag, mode);
}

6
libc/unistd.cpp
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@@ -69,7 +69,8 @@ long syscall(long syscall, ...)
{
const char* path = va_arg(args, const char*);
int oflags = va_arg(args, int);
ret = Kernel::syscall(SYS_OPEN, (uintptr_t)path, oflags);
mode_t mode = va_arg(args, mode_t);
ret = Kernel::syscall(SYS_OPEN, (uintptr_t)path, oflags, mode);
break;
}
case SYS_OPENAT:
@@ -77,7 +78,8 @@ long syscall(long syscall, ...)
int fd = va_arg(args, int);
const char* path = va_arg(args, const char*);
int oflags = va_arg(args, int);
ret = Kernel::syscall(SYS_OPENAT, fd, (uintptr_t)path, oflags);
mode_t mode = va_arg(args, mode_t);
ret = Kernel::syscall(SYS_OPENAT, fd, (uintptr_t)path, oflags, mode);
break;
}
case SYS_ALLOC: