mkhtemp: rename variable for clarity

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-29 13:53:55 +01:00
parent b70ee41c5c
commit a56903a7b0
+9 -9
View File
@@ -526,7 +526,7 @@ mkhtemp(int *fd,
struct stat *st_dir_initial,
int type)
{
size_t len = 0;
size_t template_len = 0;
size_t xc = 0;
size_t fname_len = 0;
@@ -552,28 +552,28 @@ mkhtemp(int *fd,
if_err(*fd >= 0, EEXIST) ||
if_err(dirfd < 0, EBADF)
||
if_err_sys(slen(template, max_len, &len) < 0) ||
if_err(len >= max_len, EMSGSIZE)
if_err_sys(slen(template, max_len, &template_len) < 0) ||
if_err(template_len >= max_len, EMSGSIZE)
||
if_err_sys(slen(fname, max_len, &fname_len) < 0) ||
if_err(fname == NULL, EINVAL) ||
if_err(strrchr(fname, '/') != NULL, EINVAL))
return -1;
for (end = template + len; /* count X */
for (end = template + template_len; /* count X */
end > template && *--end == 'X'; xc++);
if (if_err(xc < 3 || xc > len, EINVAL) ||
if_err(fname_len > len, EOVERFLOW))
if (if_err(xc < 3 || xc > template_len, EINVAL) ||
if_err(fname_len > template_len, EOVERFLOW))
return -1;
if (if_err(memcmp(fname, template + len - fname_len,
if (if_err(memcmp(fname, template + template_len - fname_len,
fname_len) != 0, EINVAL))
return -1;
/* fname_copy = templatestr region only; p points to trailing XXXXXX */
memcpy(smalloc(&fname_copy, fname_len + 1),
template + len - fname_len,
template + template_len - fname_len,
fname_len + 1);
p = fname_copy + fname_len - xc;
@@ -589,7 +589,7 @@ mkhtemp(int *fd,
goto err;
/* success: copy final name back */
memcpy(template + len - fname_len,
memcpy(template + template_len - fname_len,
fname_copy, fname_len);
errno = saved_errno;