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Diffstat (limited to 'src/nvim/fileio.c')
-rw-r--r--src/nvim/fileio.c301
1 files changed, 164 insertions, 137 deletions
diff --git a/src/nvim/fileio.c b/src/nvim/fileio.c
index 873c15ff4a..c1b8203ed1 100644
--- a/src/nvim/fileio.c
+++ b/src/nvim/fileio.c
@@ -200,18 +200,14 @@ void filemess(buf_T *buf, char_u *name, char_u *s, int attr)
{
int msg_scroll_save;
- if (msg_silent != 0)
+ if (msg_silent != 0) {
return;
- msg_add_fname(buf, name); /* put file name in IObuff with quotes */
- /* If it's extremely long, truncate it. */
- if (STRLEN(IObuff) > IOSIZE - 80)
- IObuff[IOSIZE - 80] = NUL;
- STRCAT(IObuff, s);
- /*
- * For the first message may have to start a new line.
- * For further ones overwrite the previous one, reset msg_scroll before
- * calling filemess().
- */
+ }
+ add_quoted_fname((char *)IObuff, IOSIZE - 80, buf, (const char *)name);
+ xstrlcat((char *)IObuff, (const char *)s, IOSIZE);
+ // For the first message may have to start a new line.
+ // For further ones overwrite the previous one, reset msg_scroll before
+ // calling filemess().
msg_scroll_save = msg_scroll;
if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0)
msg_scroll = FALSE;
@@ -428,7 +424,7 @@ readfile (
}
if (!read_buffer && !read_stdin) {
- perm = os_getperm(fname);
+ perm = os_getperm((const char *)fname);
#ifdef UNIX
// On Unix it is possible to read a directory, so we have to
// check for it before os_open().
@@ -614,10 +610,12 @@ readfile (
return FAIL;
}
#ifdef UNIX
- /* Set swap file protection bits after creating it. */
+ // Set swap file protection bits after creating it.
if (swap_mode > 0 && curbuf->b_ml.ml_mfp != NULL
- && curbuf->b_ml.ml_mfp->mf_fname != NULL)
- (void)os_setperm(curbuf->b_ml.ml_mfp->mf_fname, (long)swap_mode);
+ && curbuf->b_ml.ml_mfp->mf_fname != NULL) {
+ (void)os_setperm((const char *)curbuf->b_ml.ml_mfp->mf_fname,
+ (long)swap_mode);
+ }
#endif
}
@@ -1798,8 +1796,8 @@ failed:
}
if (!filtering && !(flags & READ_DUMMY)) {
- msg_add_fname(curbuf, sfname); /* fname in IObuff with quotes */
- c = FALSE;
+ add_quoted_fname((char *)IObuff, IOSIZE, curbuf, (const char *)sfname);
+ c = false;
#ifdef UNIX
# ifdef S_ISFIFO
@@ -2256,9 +2254,16 @@ buf_write (
int len;
linenr_T lnum;
long nchars;
- char_u *errmsg = NULL;
- int errmsg_allocated = FALSE;
- char_u *errnum = NULL;
+#define SET_ERRMSG_NUM(num, msg) \
+ errnum = num, errmsg = msg, errmsgarg = 0
+#define SET_ERRMSG_ARG(msg, error) \
+ errnum = NULL, errmsg = msg, errmsgarg = error
+#define SET_ERRMSG(msg) \
+ errnum = NULL, errmsg = msg, errmsgarg = 0
+ const char *errnum = NULL;
+ char *errmsg = NULL;
+ int errmsgarg = 0;
+ bool errmsg_allocated = false;
char_u *buffer;
char_u smallbuf[SMBUFSIZE];
char_u *backup_ext;
@@ -2280,7 +2285,6 @@ buf_write (
/* writing everything */
int whole = (start == 1 && end == buf->b_ml.ml_line_count);
linenr_T old_line_count = buf->b_ml.ml_line_count;
- int attr;
int fileformat;
int write_bin;
struct bw_info write_info; /* info for buf_write_bytes() */
@@ -2575,13 +2579,11 @@ buf_write (
perm = file_info_old.stat.st_mode;
if (!S_ISREG(file_info_old.stat.st_mode)) { /* not a file */
if (S_ISDIR(file_info_old.stat.st_mode)) {
- errnum = (char_u *)"E502: ";
- errmsg = (char_u *)_("is a directory");
+ SET_ERRMSG_NUM("E502", _("is a directory"));
goto fail;
}
if (os_nodetype((char *)fname) != NODE_WRITABLE) {
- errnum = (char_u *)"E503: ";
- errmsg = (char_u *)_("is not a file or writable device");
+ SET_ERRMSG_NUM("E503", _("is not a file or writable device"));
goto fail;
}
/* It's a device of some kind (or a fifo) which we can write to
@@ -2597,8 +2599,7 @@ buf_write (
*/
c = os_nodetype((char *)fname);
if (c == NODE_OTHER) {
- errnum = (char_u *)"E503: ";
- errmsg = (char_u *)_("is not a file or writable device");
+ SET_ERRMSG_NUM("E503", _("is not a file or writable device"));
goto fail;
}
if (c == NODE_WRITABLE) {
@@ -2606,12 +2607,11 @@ buf_write (
newfile = TRUE;
perm = -1;
} else {
- perm = os_getperm(fname);
- if (perm < 0)
- newfile = TRUE;
- else if (os_isdir(fname)) {
- errnum = (char_u *)"E502: ";
- errmsg = (char_u *)_("is a directory");
+ perm = os_getperm((const char *)fname);
+ if (perm < 0) {
+ newfile = true;
+ } else if (os_isdir(fname)) {
+ SET_ERRMSG_NUM("E502", _("is a directory"));
goto fail;
}
if (overwriting) {
@@ -2630,11 +2630,9 @@ buf_write (
if (!forceit && file_readonly) {
if (vim_strchr(p_cpo, CPO_FWRITE) != NULL) {
- errnum = (char_u *)"E504: ";
- errmsg = (char_u *)_(err_readonly);
+ SET_ERRMSG_NUM("E504", _(err_readonly));
} else {
- errnum = (char_u *)"E505: ";
- errmsg = (char_u *)_("is read-only (add ! to override)");
+ SET_ERRMSG_NUM("E505", _("is read-only (add ! to override)"));
}
goto fail;
}
@@ -2870,9 +2868,9 @@ buf_write (
xfree(backup);
backup = NULL;
} else {
- /* set file protection same as original file, but
- * strip s-bit */
- (void)os_setperm(backup, perm & 0777);
+ // set file protection same as original file, but
+ // strip s-bit.
+ (void)os_setperm((const char *)backup, perm & 0777);
#ifdef UNIX
/*
@@ -2883,7 +2881,8 @@ buf_write (
*/
if (file_info_new.stat.st_gid != file_info_old.stat.st_gid
&& os_fchown(bfd, -1, file_info_old.stat.st_gid) != 0) {
- os_setperm(backup, (perm & 0707) | ((perm & 07) << 3));
+ os_setperm((const char *)backup,
+ (perm & 0707) | ((perm & 07) << 3));
}
# ifdef HAVE_SELINUX
mch_copy_sec(fname, backup);
@@ -2901,23 +2900,27 @@ buf_write (
while ((write_info.bw_len = read_eintr(fd, copybuf,
BUFSIZE)) > 0) {
if (buf_write_bytes(&write_info) == FAIL) {
- errmsg = (char_u *)_(
- "E506: Can't write to backup file (add ! to override)");
+ SET_ERRMSG(_(
+ "E506: Can't write to backup file (add ! to override)"));
break;
}
os_breakcheck();
if (got_int) {
- errmsg = (char_u *)_(e_interr);
+ SET_ERRMSG(_(e_interr));
break;
}
}
- if (close(bfd) < 0 && errmsg == NULL)
- errmsg = (char_u *)_(
- "E507: Close error for backup file (add ! to override)");
- if (write_info.bw_len < 0)
- errmsg = (char_u *)_(
- "E508: Can't read file for backup (add ! to override)");
+ int error;
+ if ((error = os_close(bfd)) != 0 && errmsg == NULL) {
+ SET_ERRMSG_ARG(_("E507: Close error for backup file "
+ "(add ! to override): %s"),
+ error);
+ }
+ if (write_info.bw_len < 0) {
+ SET_ERRMSG(_(
+ "E508: Can't read file for backup (add ! to override)"));
+ }
#ifdef UNIX
set_file_time(backup,
file_info_old.stat.st_atim.tv_sec,
@@ -2934,18 +2937,19 @@ buf_write (
}
}
nobackup:
- close(fd); /* ignore errors for closing read file */
+ os_close(fd); // Ignore errors for closing read file.
xfree(copybuf);
- if (backup == NULL && errmsg == NULL)
- errmsg = (char_u *)_(
- "E509: Cannot create backup file (add ! to override)");
- /* ignore errors when forceit is TRUE */
+ if (backup == NULL && errmsg == NULL) {
+ SET_ERRMSG(_(
+ "E509: Cannot create backup file (add ! to override)"));
+ }
+ // Ignore errors when forceit is TRUE.
if ((some_error || errmsg != NULL) && !forceit) {
retval = FAIL;
goto fail;
}
- errmsg = NULL;
+ SET_ERRMSG(NULL);
} else {
char_u *dirp;
char_u *p;
@@ -2960,8 +2964,7 @@ nobackup:
* anyway, thus we need an extra check here.
*/
if (file_readonly && vim_strchr(p_cpo, CPO_FWRITE) != NULL) {
- errnum = (char_u *)"E504: ";
- errmsg = (char_u *)_(err_readonly);
+ SET_ERRMSG_NUM("E504", _(err_readonly));
goto fail;
}
@@ -3025,7 +3028,7 @@ nobackup:
}
}
if (backup == NULL && !forceit) {
- errmsg = (char_u *)_("E510: Can't make backup file (add ! to override)");
+ SET_ERRMSG(_("E510: Can't make backup file (add ! to override)"));
goto fail;
}
}
@@ -3037,8 +3040,8 @@ nobackup:
&& file_info_old.stat.st_uid == getuid()
&& vim_strchr(p_cpo, CPO_FWRITE) == NULL) {
perm |= 0200;
- (void)os_setperm(fname, perm);
- made_writable = TRUE;
+ (void)os_setperm((const char *)fname, perm);
+ made_writable = true;
}
#endif
@@ -3066,7 +3069,7 @@ nobackup:
&& !(exiting && backup != NULL)) {
ml_preserve(buf, FALSE);
if (got_int) {
- errmsg = (char_u *)_(e_interr);
+ SET_ERRMSG(_(e_interr));
goto restore_backup;
}
}
@@ -3137,8 +3140,8 @@ nobackup:
*/
if (*p_ccv != NUL) {
wfname = vim_tempname();
- if (wfname == NULL) { /* Can't write without a tempfile! */
- errmsg = (char_u *)_("E214: Can't find temp file for writing");
+ if (wfname == NULL) { // Can't write without a tempfile!
+ SET_ERRMSG(_("E214: Can't find temp file for writing"));
goto restore_backup;
}
}
@@ -3150,8 +3153,8 @@ nobackup:
&& wfname == fname
) {
if (!forceit) {
- errmsg = (char_u *)_(
- "E213: Cannot convert (add ! to write without conversion)");
+ SET_ERRMSG(_(
+ "E213: Cannot convert (add ! to write without conversion)"));
goto restore_backup;
}
notconverted = TRUE;
@@ -3186,11 +3189,10 @@ nobackup:
if ((!newfile && os_fileinfo_hardlinks(&file_info) > 1)
|| (os_fileinfo_link((char *)fname, &file_info)
&& !os_fileinfo_id_equal(&file_info, &file_info_old))) {
- errmsg = (char_u *)_("E166: Can't open linked file for writing");
- } else
+ SET_ERRMSG(_("E166: Can't open linked file for writing"));
+ } else {
#endif
- {
- errmsg = (char_u *)_("E212: Can't open file for writing");
+ SET_ERRMSG_ARG(_("E212: Can't open file for writing: %s"), fd);
if (forceit && vim_strchr(p_cpo, CPO_FWRITE) == NULL
&& perm >= 0) {
#ifdef UNIX
@@ -3208,7 +3210,9 @@ nobackup:
os_remove((char *)wfname);
continue;
}
+#ifdef UNIX
}
+#endif
}
restore_backup:
@@ -3250,7 +3254,7 @@ restore_backup:
xfree(wfname);
goto fail;
}
- errmsg = NULL;
+ SET_ERRMSG(NULL);
write_info.bw_fd = fd;
@@ -3370,7 +3374,6 @@ restore_backup:
nchars += len;
}
-#if defined(UNIX)
// On many journalling file systems there is a bug that causes both the
// original and the backup file to be lost when halting the system right
// after writing the file. That's because only the meta-data is
@@ -3379,11 +3382,11 @@ restore_backup:
// For a device do try the fsync() but don't complain if it does not work
// (could be a pipe).
// If the 'fsync' option is FALSE, don't fsync(). Useful for laptops.
- if (p_fs && os_fsync(fd) != 0 && !device) {
- errmsg = (char_u *)_("E667: Fsync failed");
+ int error;
+ if (p_fs && (error = os_fsync(fd)) != 0 && !device) {
+ SET_ERRMSG_ARG(_("E667: Fsync failed: %s"), error);
end = 0;
}
-#endif
#ifdef HAVE_SELINUX
/* Probably need to set the security context. */
@@ -3402,8 +3405,9 @@ restore_backup:
|| file_info.stat.st_uid != file_info_old.stat.st_uid
|| file_info.stat.st_gid != file_info_old.stat.st_gid) {
os_fchown(fd, file_info_old.stat.st_uid, file_info_old.stat.st_gid);
- if (perm >= 0) /* set permission again, may have changed */
- (void)os_setperm(wfname, perm);
+ if (perm >= 0) { // Set permission again, may have changed.
+ (void)os_setperm((const char *)wfname, perm);
+ }
}
buf_set_file_id(buf);
} else if (!buf->file_id_valid) {
@@ -3412,8 +3416,8 @@ restore_backup:
}
#endif
- if (close(fd) != 0) {
- errmsg = (char_u *)_("E512: Close failed");
+ if ((error = os_close(fd)) != 0) {
+ SET_ERRMSG_ARG(_("E512: Close failed: %s"), error);
end = 0;
}
@@ -3421,8 +3425,9 @@ restore_backup:
if (made_writable)
perm &= ~0200; /* reset 'w' bit for security reasons */
#endif
- if (perm >= 0) /* set perm. of new file same as old file */
- (void)os_setperm(wfname, perm);
+ if (perm >= 0) { // Set perm. of new file same as old file.
+ (void)os_setperm((const char *)wfname, perm);
+ }
#ifdef HAVE_ACL
/* Probably need to set the ACL before changing the user (can't set the
* ACL on a file the user doesn't own). */
@@ -3449,21 +3454,24 @@ restore_backup:
if (end == 0) {
if (errmsg == NULL) {
if (write_info.bw_conv_error) {
- if (write_info.bw_conv_error_lnum == 0)
- errmsg = (char_u *)_(
- "E513: write error, conversion failed (make 'fenc' empty to override)");
- else {
- errmsg_allocated = TRUE;
- errmsg = xmalloc(300);
- vim_snprintf((char *)errmsg, 300,
- _("E513: write error, conversion failed in line %" PRId64
+ if (write_info.bw_conv_error_lnum == 0) {
+ SET_ERRMSG(_(
+ "E513: write error, conversion failed "
+ "(make 'fenc' empty to override)"));
+ } else {
+ errmsg_allocated = true;
+ SET_ERRMSG(xmalloc(300));
+ vim_snprintf(
+ errmsg, 300,
+ _("E513: write error, conversion failed in line %" PRIdLINENR
" (make 'fenc' empty to override)"),
- (int64_t)write_info.bw_conv_error_lnum);
+ write_info.bw_conv_error_lnum);
}
- } else if (got_int)
- errmsg = (char_u *)_(e_interr);
- else
- errmsg = (char_u *)_("E514: write error (file system full?)");
+ } else if (got_int) {
+ SET_ERRMSG(_(e_interr));
+ } else {
+ SET_ERRMSG(_("E514: write error (file system full?)"));
+ }
}
/*
@@ -3518,8 +3526,8 @@ restore_backup:
fname = sfname; /* use shortname now, for the messages */
#endif
if (!filtering) {
- msg_add_fname(buf, fname); /* put fname in IObuff with quotes */
- c = FALSE;
+ add_quoted_fname((char *)IObuff, IOSIZE, buf, (const char *)fname);
+ c = false;
if (write_info.bw_conv_error) {
STRCAT(IObuff, _(" CONVERSION ERROR"));
c = TRUE;
@@ -3628,7 +3636,7 @@ restore_backup:
close(empty_fd);
}
if (org != NULL) {
- os_setperm((char_u *)org, os_getperm(fname) & 0777);
+ os_setperm(org, os_getperm((const char *)fname) & 0777);
xfree(org);
}
}
@@ -3668,33 +3676,32 @@ nofail:
#endif
if (errmsg != NULL) {
- int numlen = errnum != NULL ? (int)STRLEN(errnum) : 0;
-
- attr = hl_attr(HLF_E); /* set highlight for error messages */
- msg_add_fname(buf,
+ // - 100 to save some space for further error message
#ifndef UNIX
- sfname
+ add_quoted_fname((char *)IObuff, IOSIZE - 100, buf, (const char *)sfname);
#else
- fname
+ add_quoted_fname((char *)IObuff, IOSIZE - 100, buf, (const char *)fname);
#endif
- ); /* put file name in IObuff with quotes */
- if (STRLEN(IObuff) + STRLEN(errmsg) + numlen >= IOSIZE)
- IObuff[IOSIZE - STRLEN(errmsg) - numlen - 1] = NUL;
- /* If the error message has the form "is ...", put the error number in
- * front of the file name. */
if (errnum != NULL) {
- STRMOVE(IObuff + numlen, IObuff);
- memmove(IObuff, errnum, (size_t)numlen);
+ if (errmsgarg != 0) {
+ emsgf("%s: %s%s: %s", errnum, IObuff, errmsg, os_strerror(errmsgarg));
+ } else {
+ emsgf("%s: %s%s", errnum, IObuff, errmsg);
+ }
+ } else if (errmsgarg != 0) {
+ emsgf(errmsg, os_strerror(errmsgarg));
+ } else {
+ emsgf(errmsg);
}
- STRCAT(IObuff, errmsg);
- emsg(IObuff);
- if (errmsg_allocated)
+ if (errmsg_allocated) {
xfree(errmsg);
+ }
retval = FAIL;
if (end == 0) {
+ const int attr = hl_attr(HLF_E); // Set highlight for error messages.
MSG_PUTS_ATTR(_("\nWARNING: Original file may be lost or damaged\n"),
- attr | MSG_HIST);
+ attr | MSG_HIST);
MSG_PUTS_ATTR(_(
"don't quit the editor until the file is successfully written!"),
attr | MSG_HIST);
@@ -3754,6 +3761,9 @@ nofail:
got_int |= prev_got_int;
return retval;
+#undef SET_ERRMSG
+#undef SET_ERRMSG_ARG
+#undef SET_ERRMSG_NUM
}
/*
@@ -3797,16 +3807,25 @@ static int set_rw_fname(char_u *fname, char_u *sfname)
return OK;
}
-/*
- * Put file name into IObuff with quotes.
- */
-void msg_add_fname(buf_T *buf, char_u *fname)
+/// Put file name into the specified buffer with quotes
+///
+/// Replaces home directory at the start with `~`.
+///
+/// @param[out] ret_buf Buffer to save results to.
+/// @param[in] buf_len ret_buf length.
+/// @param[in] buf buf_T file name is coming from.
+/// @param[in] fname File name to write.
+static void add_quoted_fname(char *const ret_buf, const size_t buf_len,
+ const buf_T *const buf, const char *fname)
+ FUNC_ATTR_NONNULL_ARG(1)
{
- if (fname == NULL)
- fname = (char_u *)"-stdin-";
- home_replace(buf, fname, IObuff + 1, IOSIZE - 4, TRUE);
- IObuff[0] = '"';
- STRCAT(IObuff, "\" ");
+ if (fname == NULL) {
+ fname = "-stdin-";
+ }
+ ret_buf[0] = '"';
+ home_replace(buf, (const char_u *)fname, (char_u *)ret_buf + 1,
+ (int)buf_len - 4, true);
+ xstrlcat(ret_buf, "\" ", buf_len);
}
/// Append message for text mode to IObuff.
@@ -4548,9 +4567,9 @@ int put_time(FILE *fd, time_t time_)
/// os_rename() only works if both files are on the same file system, this
/// function will (attempts to?) copy the file across if rename fails -- webb
-//
+///
/// @return -1 for failure, 0 for success
-int vim_rename(char_u *from, char_u *to)
+int vim_rename(const char_u *from, const char_u *to)
{
int fd_in;
int fd_out;
@@ -4569,10 +4588,12 @@ int vim_rename(char_u *from, char_u *to)
* the file name differs we need to go through a temp file.
*/
if (fnamecmp(from, to) == 0) {
- if (p_fic && STRCMP(path_tail(from), path_tail(to)) != 0)
+ if (p_fic && (STRCMP(path_tail((char_u *)from), path_tail((char_u *)to))
+ != 0)) {
use_tmp_file = true;
- else
+ } else {
return 0;
+ }
}
// Fail if the "from" file doesn't exist. Avoids that "to" is deleted.
@@ -4638,9 +4659,9 @@ int vim_rename(char_u *from, char_u *to)
/*
* Rename() failed, try copying the file.
*/
- perm = os_getperm(from);
+ perm = os_getperm((const char *)from);
#ifdef HAVE_ACL
- /* For systems that support ACL: get the ACL from the original file. */
+ // For systems that support ACL: get the ACL from the original file.
acl = mch_get_acl(from);
#endif
fd_in = os_open((char *)from, O_RDONLY, 0);
@@ -4688,8 +4709,8 @@ int vim_rename(char_u *from, char_u *to)
errmsg = _("E210: Error reading \"%s\"");
to = from;
}
-#ifndef UNIX /* for Unix os_open() already set the permission */
- os_setperm(to, perm);
+#ifndef UNIX // For Unix os_open() already set the permission.
+ os_setperm((const char *)to, perm);
#endif
#ifdef HAVE_ACL
mch_set_acl(to, acl);
@@ -5200,7 +5221,7 @@ void forward_slash(char_u *fname)
{
char_u *p;
- if (path_with_url(fname)) {
+ if (path_with_url((const char *)fname)) {
return;
}
for (p = fname; *p != NUL; p++) {
@@ -5261,7 +5282,7 @@ static void vim_maketempdir(void)
/// Delete "name" and everything in it, recursively.
/// @param name The path which should be deleted.
/// @return 0 for success, -1 if some file was not deleted.
-int delete_recursive(char_u *name)
+int delete_recursive(const char *name)
{
int result = 0;
@@ -5275,7 +5296,7 @@ int delete_recursive(char_u *name)
EW_DIR | EW_FILE | EW_SILENT | EW_ALLLINKS
| EW_DODOT | EW_EMPTYOK) == OK) {
for (int i = 0; i < file_count; i++) {
- if (delete_recursive(files[i]) != 0) {
+ if (delete_recursive((const char *)files[i]) != 0) {
result = -1;
}
}
@@ -5285,9 +5306,9 @@ int delete_recursive(char_u *name)
}
xfree(exp);
- os_rmdir((char *)name);
+ os_rmdir(name);
} else {
- result = os_remove((char *)name) == 0 ? 0 : -1;
+ result = os_remove(name) == 0 ? 0 : -1;
}
return result;
@@ -5299,7 +5320,7 @@ void vim_deltempdir(void)
if (vim_tempdir != NULL) {
// remove the trailing path separator
path_tail(vim_tempdir)[-1] = NUL;
- delete_recursive(vim_tempdir);
+ delete_recursive((const char *)vim_tempdir);
xfree(vim_tempdir);
vim_tempdir = NULL;
}
@@ -6464,6 +6485,12 @@ win_found:
win_remove(curwin, NULL);
aucmd_win_used = false;
last_status(false); // may need to remove last status line
+
+ if (!valid_tabpage_win(curtab)) {
+ // no valid window in current tabpage
+ close_tabpage(curtab);
+ }
+
restore_snapshot(SNAP_AUCMD_IDX, false);
(void)win_comp_pos(); // recompute window positions
unblock_autocmds();