Lines Matching refs:buf
14 static ssize_t read_text(const char *path, char *buf, size_t max_len) in read_text() argument
23 len = read(fd, buf, max_len - 1); in read_text()
26 buf[len] = 0; in read_text()
33 static ssize_t write_text(const char *path, char *buf, ssize_t len) in write_text() argument
42 written = write(fd, buf, len); in write_text()
49 char buf[128]; in file_read_long() local
52 if (read_text(path, buf, sizeof(buf)) <= 0) in file_read_long()
55 return atol(buf); in file_read_long()
60 char buf[64]; in file_write_long() local
63 ret = sprintf(buf, "%lu", val); in file_write_long()
67 if (write_text(path, buf, sizeof(buf)) <= 0) in file_write_long()