diff options
Diffstat (limited to 'contrib/nvi/clib/mmap.c')
-rw-r--r-- | contrib/nvi/clib/mmap.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/contrib/nvi/clib/mmap.c b/contrib/nvi/clib/mmap.c deleted file mode 100644 index 7cea169..0000000 --- a/contrib/nvi/clib/mmap.c +++ /dev/null @@ -1,50 +0,0 @@ -#include "config.h" - -#include <sys/types.h> - -#include <stdlib.h> -#include <unistd.h> - -/* - * This function fakes mmap() by reading `len' bytes from the file descriptor - * `fd' and returning a pointer to that memory. The "mapped" region can later - * be deallocated with munmap(). - * - * Note: ONLY reading is supported and only reading of the exact size of the - * file will work. - * - * PUBLIC: #ifndef HAVE_MMAP - * PUBLIC: char *mmap __P((char *, size_t, int, int, int, off_t)); - * PUBLIC: #endif - */ -char * -mmap(addr, len, prot, flags, fd, off) - char *addr; - size_t len; - int prot, flags, fd; - off_t off; -{ - char *ptr; - - if ((ptr = (char *)malloc(len)) == 0) - return ((char *)-1); - if (read(fd, ptr, len) < 0) { - free(ptr); - return ((char *)-1); - } - return (ptr); -} - -/* - * PUBLIC: #ifndef HAVE_MMAP - * PUBLIC: int munmap __P((char *, size_t)); - * PUBLIC: #endif - */ -int -munmap(addr, len) - char *addr; - size_t len; -{ - free(addr); - return (0); -} |