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authorRoland McGrath <roland@gnu.org>1999-05-09 10:40:36 +0000
committerRoland McGrath <roland@gnu.org>1999-05-09 10:40:36 +0000
commitdcc7b756c2e7ccf7fe4f65a533361d8f4bac9653 (patch)
tree128e6d813179b0cd21a3c8181add3ec1a7e336ce /hurd
parentd656c8cbfe0ef9c232dea81dde8d1fa2b5107def (diff)
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1999-05-09 Mark Kettenis <kettenis@gnu.org>
* hurd/get-host.c (_hurd_get_host_config): Return an empty value if the file is empty.
Diffstat (limited to 'hurd')
-rw-r--r--hurd/get-host.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hurd/get-host.c b/hurd/get-host.c
index f3672ea..7c55afa 100644
--- a/hurd/get-host.c
+++ b/hurd/get-host.c
@@ -63,6 +63,14 @@ _hurd_get_host_config (const char *item, char *buf, size_t buflen)
__vm_deallocate (__mach_task_self (), (vm_address_t) data, nread);
}
+ /* If the file is empty, give an empty value. */
+ if (nread == 0)
+ {
+ if (buflen != 0)
+ *buf = '\0';
+ return 0;
+ }
+
/* Remove newlines in case someone wrote the file by hand. */
while (buf[nread - 1] == '\n')
buf[--nread] = '\0';