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Implement stubs of readlink' and symlink' for MS-Windows.

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src/w32.c (symlink, readlink): New stub functions.
 nt/inc/unistd.h (readlink, symlink): Declare prototypes.
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Eli Zaretskii 2011-02-27 21:48:31 +02:00
parent d05e7e6721
commit 0f7bb05d28
4 changed files with 35 additions and 0 deletions
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4
nt/ChangeLog
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@ -1,3 +1,7 @@
2011-02-27 Eli Zaretskii <eliz@gnu.org>
* inc/unistd.h (readlink, symlink): Declare prototypes.
2011-02-26 Eli Zaretskii <eliz@gnu.org>
* config.nt (nlink_t): Define.

8
nt/inc/unistd.h
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@ -1,2 +1,10 @@
/* Fake unistd.h: config.h already provides most of the relevant things. */
#ifndef _UNISTD_H
#define _UNISTD_H
extern ssize_t readlink (const char *, char *, size_t);
extern int symlink (char const *, char const *);
#endif /* _UNISTD_H */

4
src/ChangeLog
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@ -1,3 +1,7 @@
2011-02-27 Eli Zaretskii <eliz@gnu.org>
* w32.c (symlink, readlink): New stub functions.
2011-02-27 Paul Eggert <eggert@cs.ucla.edu>
* scroll.c (CHECK_BOUNDS): #define only if GLYPH_DEBUG.

19
src/w32.c
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@ -3613,6 +3613,25 @@ utime (const char *name, struct utimbuf *times)
return 0;
}
/* Symlink-related functions that always fail. Used in fileio.c to
avoid #ifdef's. */
int
symlink (char const *dummy1, char const *dummy2)
{
errno = ENOSYS;
return -1;
}
ssize_t
readlink (const char *name, char *dummy1, size_t dummy2)
{
/* `access' is much faster than `stat' on MS-Windows. */
if (sys_access (name, 0) == 0)
errno = EINVAL;
return -1;
}
/* Support for browsing other processes and their attributes. See
process.c for the Lisp bindings. */