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vim-patch:8.1.0642: swapinfo() leaks memory

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Problem:    swapinfo() leaks memory.
Solution:   Avoid allocating the strings twice.
e6fdf79980
This commit is contained in:
Justin M. Keyes
2019-04-29 22:05:45 +02:00
parent a01246c275
commit aac731c22b
2 changed files with 33 additions and 18 deletions
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23
src/nvim/memline.c
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@@ -1466,19 +1466,18 @@ void get_b0_dict(const char *fname, dict_T *d)
if ((fd = os_open(fname, O_RDONLY, 0)) >= 0) {
if (read_eintr(fd, &b0, sizeof(b0)) == sizeof(b0)) {
if (ml_check_b0_id(&b0) == FAIL) {
tv_dict_add_str(d, S_LEN("error"), xstrdup("Not a swap file"));
tv_dict_add_str(d, S_LEN("error"), "Not a swap file");
} else if (b0_magic_wrong(&b0)) {
tv_dict_add_str(d, S_LEN("error"), xstrdup("Magic number mismatch"));
tv_dict_add_str(d, S_LEN("error"), "Magic number mismatch");
} else {
// We have swap information.
tv_dict_add_str(d, S_LEN("version"),
xstrndup((char *)b0.b0_version, 10));
tv_dict_add_str(d, S_LEN("user"),
xstrndup((char *)b0.b0_uname, B0_UNAME_SIZE));
tv_dict_add_str(d, S_LEN("host"),
xstrndup((char *)b0.b0_hname, B0_HNAME_SIZE));
tv_dict_add_str(d, S_LEN("fname"),
xstrndup((char *)b0.b0_fname, B0_FNAME_SIZE_ORG));
tv_dict_add_str_len(d, S_LEN("version"), (char *)b0.b0_version, 10);
tv_dict_add_str_len(d, S_LEN("user"), (char *)b0.b0_uname,
B0_UNAME_SIZE);
tv_dict_add_str_len(d, S_LEN("host"), (char *)b0.b0_hname,
B0_HNAME_SIZE);
tv_dict_add_str_len(d, S_LEN("fname"), (char *)b0.b0_fname,
B0_FNAME_SIZE_ORG);
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));
@@ -1486,11 +1485,11 @@ void get_b0_dict(const char *fname, dict_T *d)
tv_dict_add_nr(d, S_LEN("inode"), char_to_long(b0.b0_ino));
}
} else {
tv_dict_add_str(d, S_LEN("error"), xstrdup("Cannot read file"));
tv_dict_add_str(d, S_LEN("error"), "Cannot read file");
}
close(fd);
} else {
tv_dict_add_str(d, S_LEN("error"), xstrdup("Cannot open file"));
tv_dict_add_str(d, S_LEN("error"), "Cannot open file");
}
}