diff options
Diffstat (limited to 'src/basic/fileio.c')
| -rw-r--r-- | src/basic/fileio.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/basic/fileio.c b/src/basic/fileio.c index 21532515fb..15f0ffbdfa 100644 --- a/src/basic/fileio.c +++ b/src/basic/fileio.c @@ -385,7 +385,9 @@ int read_full_virtual_file(const char *filename, char **ret_contents, size_t *re if (fd < 0) return -errno; - /* Start size for files in /proc which usually report a file size of 0. */ + /* Start size for files in /proc/ which usually report a file size of 0. (Files in /sys/ report a + * file size of 4K, which is probably OK for sizing our initial buffer, and sysfs attributes can't be + * larger anyway.) */ size = LINE_MAX / 2; /* Limit the number of attempts to read the number of bytes returned by fstat(). */ |