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authorLennart Poettering <lennart@poettering.net>2018-12-17 11:22:38 +0100
committerLennart Poettering <lennart@poettering.net>2018-12-18 15:03:00 +0100
commit03a7dbeae051a5b655eb956f335024bfba8599d1 (patch)
treeee4f52fe162cd625e7aa71907548c21d5721206e /src/machine
parent285a9b274978349cfd762a6cd6e6aa666909ec5e (diff)
downloadsystemd-03a7dbeae051a5b655eb956f335024bfba8599d1.tar.gz
tree-wide: port some code over to safe_fgetc()
Diffstat (limited to 'src/machine')
-rw-r--r--src/machine/machine.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/machine/machine.c b/src/machine/machine.c
index beb5b3566a..4f89ac026d 100644
--- a/src/machine/machine.c
+++ b/src/machine/machine.c
@@ -594,7 +594,7 @@ int machine_get_uid_shift(Machine *m, uid_t *ret) {
uid_t uid_base, uid_shift, uid_range;
gid_t gid_base, gid_shift, gid_range;
_cleanup_fclose_ FILE *f = NULL;
- int k;
+ int k, r;
assert(m);
assert(ret);
@@ -643,7 +643,10 @@ int machine_get_uid_shift(Machine *m, uid_t *ret) {
return -ENXIO;
/* If there's more than one line, then we don't support this mapping. */
- if (fgetc(f) != EOF)
+ r = safe_fgetc(f, NULL);
+ if (r < 0)
+ return r;
+ if (r != 0) /* Insist on EOF */
return -ENXIO;
fclose(f);
@@ -664,7 +667,10 @@ int machine_get_uid_shift(Machine *m, uid_t *ret) {
}
/* If there's more than one line, then we don't support this file. */
- if (fgetc(f) != EOF)
+ r = safe_fgetc(f, NULL);
+ if (r < 0)
+ return r;
+ if (r != 0) /* Insist on EOF */
return -ENXIO;
/* If the UID and GID mapping doesn't match, we don't support this mapping. */