diff options
Diffstat (limited to 'src/fileio.c')
| -rw-r--r-- | src/fileio.c | 75 |
1 files changed, 61 insertions, 14 deletions
diff --git a/src/fileio.c b/src/fileio.c index 07e05fc..e7f3332 100644 --- a/src/fileio.c +++ b/src/fileio.c @@ -3770,19 +3770,12 @@ vim_fgets(char_u *buf, int size, FILE *fp) int vim_rename(char_u *from, char_u *to) { - int fd_in; - int fd_out; int n; - char *errmsg = NULL; - char *buffer; + int ret; #ifdef AMIGA BPTR flock; #endif stat_T st; - long perm; -#ifdef HAVE_ACL - vim_acl_T acl; // ACL from original file -#endif int use_tmp_file = FALSE; /* @@ -3903,6 +3896,61 @@ vim_rename(char_u *from, char_u *to) /* * Rename() failed, try copying the file. */ + ret = vim_copyfile(from, to); + if (ret != OK) + return -1; + + /* + * Remove copied original file + */ + if (mch_stat((char *)from, &st) >= 0) + mch_remove(from); + + return 0; +} + + +/* + * Create the new file with same permissions as the original. + * Return -1 for failure, 0 for success. + */ + int +vim_copyfile(char_u *from, char_u *to) +{ + int fd_in; + int fd_out; + int n; + char *errmsg = NULL; + char *buffer; + long perm; +#ifdef HAVE_ACL + vim_acl_T acl; // ACL from original file +#endif + +#ifdef HAVE_READLINK + int ret; + int len; + stat_T st; + char linkbuf[MAXPATHL + 1]; + + ret = mch_lstat((char *)from, &st); + if (ret >= 0 && S_ISLNK(st.st_mode)) + { + ret = FAIL; + + len = readlink((char *)from, linkbuf, MAXPATHL); + if (len > 0) + { + linkbuf[len] = NUL; + + // Create link + ret = symlink(linkbuf, (char *)to); + } + + return ret == 0 ? OK : FAIL; + } +#endif + perm = mch_getperm(from); #ifdef HAVE_ACL // For systems that support ACL: get the ACL from the original file. @@ -3914,7 +3962,7 @@ vim_rename(char_u *from, char_u *to) #ifdef HAVE_ACL mch_free_acl(acl); #endif - return -1; + return FAIL; } // Create the new file with same permissions as the original. @@ -3926,7 +3974,7 @@ vim_rename(char_u *from, char_u *to) #ifdef HAVE_ACL mch_free_acl(acl); #endif - return -1; + return FAIL; } buffer = alloc(WRITEBUFSIZE); @@ -3937,7 +3985,7 @@ vim_rename(char_u *from, char_u *to) #ifdef HAVE_ACL mch_free_acl(acl); #endif - return -1; + return FAIL; } while ((n = read_eintr(fd_in, buffer, WRITEBUFSIZE)) > 0) @@ -3969,10 +4017,9 @@ vim_rename(char_u *from, char_u *to) if (errmsg != NULL) { semsg(errmsg, to); - return -1; + return FAIL; } - mch_remove(from); - return 0; + return OK; } static int already_warned = FALSE; |