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libbb: introduce and use is_prefixed_with()

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function                                             old     new   delta
is_prefixed_with                                       -      18     +18
complete_username                                     78      77      -1
man_main                                             737     735      -2
fsck_device                                          429     427      -2
unpack_ar_archive                                     80      76      -4
strip_unsafe_prefix                                  105     101      -4
singlemount                                         1054    1050      -4
rtc_adjtime_is_utc                                    90      86      -4
resolve_mount_spec                                    88      84      -4
parse_one_line                                      1029    1025      -4
parse_conf                                          1460    1456      -4
may_wakeup                                            83      79      -4
loadkmap_main                                        219     215      -4
get_irqs_from_stat                                   103      99      -4
get_header_cpio                                      913     909      -4
findfs_main                                           79      75      -4
fbsplash_main                                       1230    1226      -4
load_crontab                                         776     771      -5
expand_vars_to_list                                 1151    1146      -5
date_main                                            881     876      -5
skip_dev_pfx                                          30      24      -6
make_device                                         2199    2193      -6
complete_cmd_dir_file                                773     767      -6
run_applet_and_exit                                  715     708      -7
uudecode_main                                        321     313      -8
pwdx_main                                            197     189      -8
execute                                              568     560      -8
i2cdetect_main                                      1186    1176     -10
procps_scan                                         1242    1230     -12
procps_read_smaps                                   1017    1005     -12
process_module                                       746     734     -12
patch_main                                          1903    1891     -12
nfsmount                                            3572    3560     -12
stack_machine                                        126     112     -14
process_timer_stats                                  449     435     -14
match_fstype                                         111      97     -14
do_ipaddr                                           1344    1330     -14
open_list_and_close                                  359     343     -16
get_header_tar                                      1795    1779     -16
prepend_new_eth_table                                340     323     -17
fsck_main                                           1811    1794     -17
find_iface_state                                      56      38     -18
dnsd_main                                           1321    1303     -18
base_device                                          179     158     -21
find_keyword                                         104      82     -22
handle_incoming_and_exit                            2785    2762     -23
parse_and_put_prompt                                 774     746     -28
modinfo                                              347     317     -30
find_action                                          204     171     -33
update_passwd                                       1470    1436     -34
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540)         Total: -522 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-03-12 17:48:34 +01:00
parent 936c8809ca
commit 8dff01d06a
51 changed files with 165 additions and 151 deletions
Download patch file Download diff file Expand all files Collapse all files

21
modutils/modprobe-small.c
View file

@ -116,21 +116,21 @@ static char* copy_stringbuf(void)
static char* find_keyword(char *ptr, size_t len, const char *word)
{
int wlen;
if (!ptr) /* happens if xmalloc_open_zipped_read_close cannot read it */
return NULL;
wlen = strlen(word);
len -= wlen - 1;
len -= strlen(word) - 1;
while ((ssize_t)len > 0) {
char *old = ptr;
char *after_word;
/* search for the first char in word */
ptr = memchr(ptr, *word, len);
ptr = memchr(ptr, word[0], len);
if (ptr == NULL) /* no occurance left, done */
break;
if (strncmp(ptr, word, wlen) == 0)
return ptr + wlen; /* found, return ptr past it */
after_word = is_prefixed_with(ptr, word);
if (after_word)
return after_word; /* found, return ptr past it */
++ptr;
len -= (ptr - old);
}
@ -536,7 +536,7 @@ static module_info** find_alias(const char *alias)
// TODO: open only once, invent config_rewind()
static int already_loaded(const char *name)
{
int ret, namelen;
int ret;
char *line;
FILE *fp;
@ -545,15 +545,16 @@ static int already_loaded(const char *name)
fp = fopen_for_read("/proc/modules");
if (!fp)
return 0;
namelen = strlen(name);
while ((line = xmalloc_fgetline(fp)) != NULL) {
char *live;
char *after_name;
// Examples from kernel 3.14.6:
//pcspkr 12718 0 - Live 0xffffffffa017e000
//snd_timer 28690 2 snd_seq,snd_pcm, Live 0xffffffffa025e000
//i915 801405 2 - Live 0xffffffffa0096000
if (strncmp(line, name, namelen) != 0 || line[namelen] != ' ') {
after_name = is_prefixed_with(line, name);
if (!after_name || *after_name != ' ') {
free(line);
continue;
}