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Ensure that all fhandler_*::read definitions are __stdcall throughout.

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* fhandler.cc (fhandler_base::set_inheritance): Be more defensive in debugging
code.
* fhandler.h: Adjust regparms throughout to reflect passing 'this' parameter.
* fhandler_console.cc (fhandler_console::read): Remove unneeded test.  Only
honor "key down" events.
* miscfuncs.cc (strcasestr): Reorganize for efficient code use.
(check_null_empty_str_errno): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(__check_invalid_read_ptr_errno): Ditto.
* syscalls.cc (_read): Return 0 when length == 0, as per Single UNIX
Specification.
This commit is contained in:
Christopher Faylor
2001-10-24 04:16:45 +00:00
parent 0280c8c0f3
commit a0626ebe27
16 changed files with 70 additions and 52 deletions
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36
winsup/cygwin/fhandler.h
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@ -311,11 +311,11 @@ public:
virtual int open (path_conv * real_path, int flags, mode_t mode = 0);
virtual int close ();
virtual int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (2)));
virtual int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (3)));
virtual int ioctl (unsigned int cmd, void *);
virtual int fcntl (int cmd, void *);
virtual char const * ttyname () { return get_name(); }
virtual int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
virtual int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
virtual int write (const void *ptr, size_t len);
virtual off_t lseek (off_t offset, int whence);
virtual int lock (int, struct flock *);
@ -395,7 +395,7 @@ public:
void set_shutdown_write () {FHSETF (SHUTWR);}
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
int ioctl (unsigned int cmd, void *);
int fcntl (int cmd, void *);
off_t lseek (off_t, int) { return 0; }
@ -420,7 +420,7 @@ public:
int check_peer_secret_event (struct sockaddr_in *peer, int *secret = NULL);
void signal_secret_event ();
void close_secret_event ();
int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (2)));
int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (3)));
};
class fhandler_pipe: public fhandler_base
@ -437,7 +437,7 @@ public:
select_record *select_except (select_record *s);
int ready_for_read (int fd, DWORD howlong, int ignra);
void set_close_on_exec (int val);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
int close ();
void create_guard (SECURITY_ATTRIBUTES *sa) {guard = CreateMutex (sa, FALSE, NULL);}
int dup (fhandler_base *child);
@ -527,7 +527,7 @@ public:
off_t lseek (off_t offset, int whence);
int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (2)));
int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (3)));
int dup (fhandler_base *child);
@ -557,8 +557,8 @@ public:
int close ();
int lock (int, struct flock *);
BOOL is_device () { return FALSE; }
int __stdcall fstat (struct stat *buf, path_conv *pc) __attribute__ ((regparm (2)));
int __stdcall fstat_helper (struct stat *buf) __attribute__ ((regparm (1)));
int __stdcall fstat (struct stat *buf, path_conv *pc) __attribute__ ((regparm (3)));
int __stdcall fstat_helper (struct stat *buf) __attribute__ ((regparm (2)));
HANDLE mmap (caddr_t *addr, size_t len, DWORD access, int flags, off_t off);
int munmap (HANDLE h, caddr_t addr, size_t len);
@ -748,7 +748,7 @@ public:
int write (const void *ptr, size_t len);
void doecho (const void *str, DWORD len) { (void) write (str, len); }
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
int close ();
int tcflush (int);
@ -819,7 +819,7 @@ public:
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
void init (HANDLE, DWORD, mode_t);
int tcsetattr (int a, const struct termios *t);
@ -846,7 +846,7 @@ public:
int accept_input ();
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
int close ();
int tcsetattr (int a, const struct termios *t);
@ -892,7 +892,7 @@ public:
fhandler_dev_zero ();
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
off_t lseek (off_t offset, int whence);
int close (void);
@ -915,7 +915,7 @@ public:
int get_unit () { return unit; }
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
off_t lseek (off_t offset, int whence);
int close (void);
int dup (fhandler_base *child);
@ -936,10 +936,10 @@ public:
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t ulen);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
off_t lseek (off_t offset, int whence);
int close (void);
int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (2)));
int __stdcall fstat (struct stat *buf, path_conv *) __attribute__ ((regparm (3)));
int dup (fhandler_base *child);
HANDLE mmap (caddr_t *addr, size_t len, DWORD access, int flags, off_t off);
@ -958,7 +958,7 @@ public:
int is_windows (void) { return 1; }
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
off_t lseek (off_t offset, int whence);
int close (void);
@ -983,7 +983,7 @@ public:
int is_windows (void) { return 1; }
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
int ioctl (unsigned int cmd, void *);
off_t lseek (off_t, int) { return 0; }
int close (void) { return 0; }
@ -1010,7 +1010,7 @@ public:
int open (path_conv *, int flags, mode_t mode = 0);
int write (const void *ptr, size_t len);
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (2)));
int __stdcall read (void *ptr, size_t len) __attribute__ ((regparm (3)));
int ioctl (unsigned int cmd, void *);
off_t lseek (off_t, int);
int close (void);