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fileio: simplify write_env_file()

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This commit is contained in:
Lennart Poettering 2014-07-07 12:05:41 +02:00
parent 6294aa76d8
commit 736937e5aa
1 changed files with 10 additions and 14 deletions
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24
src/shared/fileio.c
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@ -756,35 +756,31 @@ static void write_env_var(FILE *f, const char *v) {
}
int write_env_file(const char *fname, char **l) {
char **i;
_cleanup_free_ char *p = NULL;
_cleanup_fclose_ FILE *f = NULL;
_cleanup_free_ char *p = NULL;
char **i;
int r;
assert(fname);
r = fopen_temporary(fname, &f, &p);
if (r < 0)
return r;
fchmod_umask(fileno(f), 0644);
errno = 0;
STRV_FOREACH(i, l)
write_env_var(f, *i);
fflush(f);
r = fflush_and_check(f);
if (r >= 0) {
if (rename(p, fname) >= 0)
return 0;
if (ferror(f))
r = errno ? -errno : -EIO;
else {
if (rename(p, fname) < 0)
r = -errno;
else
r = 0;
r = -errno;
}
if (r < 0)
unlink(p);
unlink(p);
return r;
}