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fileio: simplify write_string_file_atomic() by reusing write_string_stream()

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This commit is contained in:
Lennart Poettering 2014-11-06 21:21:39 +01:00
parent 84ee096044
commit f2997962ff
1 changed files with 3 additions and 13 deletions
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16
src/shared/fileio.c
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@ -66,7 +66,7 @@ int write_string_file_no_create(const char *fn, const char *line) {
assert(line);
/* We manually build our own version of fopen(..., "we") that
* without O_CREAT */
* works without O_CREAT */
fd = open(fn, O_WRONLY|O_CLOEXEC|O_NOCTTY);
if (fd < 0)
return -errno;
@ -94,20 +94,10 @@ int write_string_file_atomic(const char *fn, const char *line) {
fchmod_umask(fileno(f), 0644);
errno = 0;
fputs(line, f);
if (!endswith(line, "\n"))
fputc('\n', f);
fflush(f);
if (ferror(f))
r = errno ? -errno : -EIO;
else {
r = write_string_stream(f, line);
if (r >= 0) {
if (rename(p, fn) < 0)
r = -errno;
else
r = 0;
}
if (r < 0)