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vim-patch:8.1.0313: information about a swap file is unavailable

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Problem:    Information about a swap file is unavailable.
Solution:   Add swapinfo(). (Enzo Ferber)
00f123a565
This commit is contained in:
Justin M. Keyes
2019-04-29 19:20:22 +02:00
parent a0d723db55
commit 24b7462b3c
5 changed files with 94 additions and 4 deletions
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39
src/nvim/memline.c
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@@ -1457,10 +1457,41 @@ static char *make_percent_swname(const char *dir, char *name)
static bool process_still_running;
#endif
/*
* Give information about an existing swap file.
* Returns timestamp (0 when unknown).
*/
/// Return information found in swapfile "fname" in dictionary "d".
/// This is used by the swapinfo() function.
void get_b0_dict(const char *fname, dict_T *d)
{
int fd;
struct block0 b0;
if ((fd = os_open(fname, O_RDONLY, 0)) >= 0) {
if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) {
if (b0_magic_wrong(&b0)) {
tv_dict_add_str(d, S_LEN("error"), xstrdup("magic number mismatch"));
} else {
// We have swap information.
tv_dict_add_str(d, S_LEN("version"), xstrdup((char *)b0.b0_version));
tv_dict_add_str(d, S_LEN("user"), xstrdup((char *)b0.b0_uname));
tv_dict_add_str(d, S_LEN("host"), xstrdup((char *)b0.b0_hname));
tv_dict_add_str(d, S_LEN("fname"), xstrdup((char *)b0.b0_fname));
tv_dict_add_nr(d, S_LEN("pid"), char_to_long(b0.b0_pid));
tv_dict_add_nr(d, S_LEN("mtime"), char_to_long(b0.b0_mtime));
#ifdef CHECK_INODE
tv_dict_add_nr(d, S_LEN("inode"), char_to_long(b0.b0_ino));
#endif
}
} else {
tv_dict_add_str(d, S_LEN("error"), xstrdup("Cannot read file"));
}
close(fd);
} else {
tv_dict_add_str(d, S_LEN("error"), xstrdup("Cannot open file"));
}
}
/// Give information about an existing swap file.
/// Returns timestamp (0 when unknown).
static time_t swapfile_info(char_u *fname)
{
assert(fname != NULL);