win32: add unlink()

2 files changed, 10 insertions, 0 deletions

diff --git a/include/mingw.h b/include/mingw.h
index 32a9b4b4a..d5a675507 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -266,10 +266,12 @@ NOIMPL(setuid,uid_t gid UNUSED_PARAM);
 unsigned int sleep(unsigned int seconds);
 NOIMPL(symlink,const char *oldpath UNUSED_PARAM, const char *newpath UNUSED_PARAM);
 static inline void sync(void) {}
+int mingw_unlink(const char *pathname);
 NOIMPL(vfork,void);
 
 #define getcwd mingw_getcwd
 #define lchown(a,b,c) chown(a,b,c)
+#define unlink mingw_unlink
 
 /*
  * utime.h
diff --git a/win32/mingw.c b/win32/mingw.c
index 0376c9b13..5604fdda5 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -470,3 +470,11 @@ int fcntl(int fd UNUSED_PARAM, int cmd, ...)
         errno = ENOSYS;
         return -1;
 }
+
+#undef unlink
+int mingw_unlink(const char *pathname)
+{
+        /* read-only files cannot be removed */
+        chmod(pathname, 0666);
+        return unlink(pathname);
+}