diff options
Diffstat (limited to 'tools/lib/api/fs/fs.c')
| -rw-r--r-- | tools/lib/api/fs/fs.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index edec23406dbc..3cc302d4c47b 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -294,11 +294,14 @@ int filename__read_int(const char *filename, int *value) { char line[64]; int fd = open(filename, O_RDONLY), err = -1; + ssize_t n; if (fd < 0) return -errno; - if (read(fd, line, sizeof(line)) > 0) { + n = read(fd, line, sizeof(line) - 1); + if (n > 0) { + line[n] = '\0'; *value = atoi(line); err = 0; } @@ -312,11 +315,14 @@ static int filename__read_ull_base(const char *filename, { char line[64]; int fd = open(filename, O_RDONLY), err = -1; + ssize_t n; if (fd < 0) return -errno; - if (read(fd, line, sizeof(line)) > 0) { + n = read(fd, line, sizeof(line) - 1); + if (n > 0) { + line[n] = '\0'; *value = strtoull(line, NULL, base); if (*value != ULLONG_MAX) err = 0; |