modprobe: use buffering line reads (fgets) instead of reads().

libbb: remove reads()

function                                             old     new   delta
include_conf_file_act                                961     980     +19
localcmd                                             282     284      +2
already_loaded                                       155     151      -4
in_cksum                                              58      53      -5
modprobe_main                                       1630    1624      -6
reads                                                129       -    -129
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 2/3 up/down: 21/-144)          Total: -123 bytes

1 files changed, 0 insertions, 25 deletions

diff --git a/libbb/read.c b/libbb/read.c
index 7af895207..18f62838e 100644
--- a/libbb/read.c
+++ b/libbb/read.c
@@ -127,31 +127,6 @@ unsigned char FAST_FUNC xread_char(int fd)
         return tmp;
 }
 
-/* Read one line a-la fgets. Works only on seekable streams */
-char* FAST_FUNC reads(int fd, char *buffer, size_t size)
-{
-        char *p;
-
-        if (size < 2)
-                return NULL;
-        size = full_read(fd, buffer, size-1);
-        if ((ssize_t)size <= 0)
-                return NULL;
-
-        buffer[size] = '\0';
-        p = strchr(buffer, '\n');
-        if (p) {
-                off_t offset;
-                *p++ = '\0';
-                /* avoid incorrect (unsigned) widening */
-                offset = (off_t)(p - buffer) - (off_t)size;
-                /* set fd position right after '\n' */
-                if (offset && lseek(fd, offset, SEEK_CUR) == (off_t)-1)
-                        return NULL;
-        }
-        return buffer;
-}
-
 // Reads one line a-la fgets (but doesn't save terminating '\n').
 // Reads byte-by-byte. Useful when it is important to not read ahead.
 // Bytes are appended to pfx (which must be malloced, or NULL).