ifconfig: code shrink

adjtimex: code shrink
libbb: move nth_string function into libbb
hdparm: nth_string was here

   text    data     bss     dec     hex filename
 730013   10334   12032  752379   b7afb busybox_old
 730093   10134   12032  752259   b7a83 busybox_unstripped
This commit is contained in:
Denis Vlasenko 2007-11-04 04:10:17 +00:00
parent 681023650e
commit bfc3d82256
5 changed files with 128 additions and 103 deletions

View File

@ -846,10 +846,13 @@ extern int correct_password(const struct passwd *pw);
/* Returns a ptr to static storage */
extern char *pw_encrypt(const char *clear, const char *salt);
extern int obscure(const char *old, const char *newval, const struct passwd *pwdp);
extern int index_in_str_array(const char *const string_array[], const char *key);
extern int index_in_strings(const char *strings, const char *key);
extern int index_in_substr_array(const char *const string_array[], const char *key);
extern int index_in_substrings(const char *strings, const char *key);
int index_in_str_array(const char *const string_array[], const char *key);
int index_in_strings(const char *strings, const char *key);
int index_in_substr_array(const char *const string_array[], const char *key);
int index_in_substrings(const char *strings, const char *key);
const char *nth_string(const char *strings, int n);
extern void print_login_issue(const char *issue_file, const char *tty);
extern void print_login_prompt(void);

View File

@ -67,3 +67,12 @@ int index_in_substrings(const char *strings, const char *key)
}
return -1;
}
const char *nth_string(const char *strings, int n)
{
while (n) {
n--;
strings += strlen(strings) + 1;
}
return strings;
}

View File

@ -14,34 +14,46 @@
#include "libbb.h"
#include <sys/timex.h>
static const struct {
int bit;
const char *name;
} statlist[] = {
{ STA_PLL, "PLL" },
{ STA_PPSFREQ, "PPSFREQ" },
{ STA_PPSTIME, "PPSTIME" },
{ STA_FLL, "FFL" },
{ STA_INS, "INS" },
{ STA_DEL, "DEL" },
{ STA_UNSYNC, "UNSYNC" },
{ STA_FREQHOLD, "FREQHOLD" },
{ STA_PPSSIGNAL, "PPSSIGNAL" },
{ STA_PPSJITTER, "PPSJITTER" },
{ STA_PPSWANDER, "PPSWANDER" },
{ STA_PPSERROR, "PPSERROR" },
{ STA_CLOCKERR, "CLOCKERR" },
{ 0, NULL }
static const uint16_t statlist_bit[] = {
STA_PLL,
STA_PPSFREQ,
STA_PPSTIME,
STA_FLL,
STA_INS,
STA_DEL,
STA_UNSYNC,
STA_FREQHOLD,
STA_PPSSIGNAL,
STA_PPSJITTER,
STA_PPSWANDER,
STA_PPSERROR,
STA_CLOCKERR,
0
};
static const char statlist_name[] =
"PLL" "\0"
"PPSFREQ" "\0"
"PPSTIME" "\0"
"FFL" "\0"
"INS" "\0"
"DEL" "\0"
"UNSYNC" "\0"
"FREQHOLD" "\0"
"PPSSIGNAL" "\0"
"PPSJITTER" "\0"
"PPSWANDER" "\0"
"PPSERROR" "\0"
"CLOCKERR"
;
static const char *const ret_code_descript[] = {
"clock synchronized",
"insert leap second",
"delete leap second",
"leap second in progress",
"leap second has occurred",
static const char ret_code_descript[] =
"clock synchronized" "\0"
"insert leap second" "\0"
"delete leap second" "\0"
"leap second in progress" "\0"
"leap second has occurred" "\0"
"clock not synchronized"
};
;
int adjtimex_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int adjtimex_main(int argc, char **argv)
@ -52,7 +64,7 @@ int adjtimex_main(int argc, char **argv)
unsigned opt;
char *opt_o, *opt_f, *opt_p, *opt_t;
struct timex txc;
int i, ret, sep;
int i, ret;
const char *descript;
txc.modes=0;
@ -81,9 +93,14 @@ int adjtimex_main(int argc, char **argv)
ret = adjtimex(&txc);
if (ret < 0) perror("adjtimex");
if (ret < 0) {
bb_perror_nomsg_and_die();
}
if (!(opt & OPT_quiet)) {
int sep;
const char *name;
if (!(opt & OPT_quiet) && ret>=0) {
printf(
" mode: %d\n"
"-o offset: %ld\n"
@ -96,17 +113,21 @@ int adjtimex_main(int argc, char **argv)
/* representative output of next code fragment:
"PLL | PPSTIME" */
name = statlist_name;
sep = 0;
for (i=0; statlist[i].name; i++) {
if (txc.status & statlist[i].bit) {
if (sep) fputs(" | ",stdout);
fputs(statlist[i].name,stdout);
for (i = 0; statlist_bit[i]; i++) {
if (txc.status & statlist_bit[i]) {
if (sep)
fputs(" | ", stdout);
fputs(name, stdout);
sep = 1;
}
name += strlen(name) + 1;
}
descript = "error";
if (ret >= 0 && ret <= 5) descript = ret_code_descript[ret];
if (ret <= 5)
descript = nth_string(ret_code_descript, ret);
printf(")\n"
"-p timeconstant: %ld\n"
" precision: %ld\n"
@ -119,5 +140,6 @@ int adjtimex_main(int argc, char **argv)
txc.precision, txc.tolerance, txc.tick,
(long)txc.time.tv_sec, (long)txc.time.tv_usec, ret, descript);
}
return (ret<0);
return 0;
}

View File

@ -491,15 +491,6 @@ static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *
return err_dma;
}
static const char *nth_str(const char *strings, int n)
{
while (n) {
n--;
strings += strlen(strings) + 1;
}
return strings;
}
static const char pkt_str[] ALIGN1 =
"Direct-access device" "\0" /* word 0, bits 12-8 = 00 */
"Sequential-access device" "\0" /* word 0, bits 12-8 = 01 */
@ -710,7 +701,7 @@ static void identify(uint16_t *val)
} else if (!(val[GEN_CONFIG] & NOT_ATAPI)) {
dev = ATAPI_DEV;
eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
printf("ATAPI %s, with ", eqpt <= 0xf ? nth_str(pkt_str, eqpt) : "unknown");
printf("ATAPI %s, with ", eqpt <= 0xf ? nth_string(pkt_str, eqpt) : "unknown");
like_std = 3;
} else
/* "Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n" */
@ -748,7 +739,7 @@ static void identify(uint16_t *val)
if (val[MINOR] && (val[MINOR] <= MINOR_MAX)) {
if (like_std < 3) like_std = 3;
std = actual_ver[val[MINOR]];
if (std) printf("\n\tUsed: %s ", nth_str(minor_str, val[MINOR]));
if (std) printf("\n\tUsed: %s ", nth_string(minor_str, val[MINOR]));
}
/* looks like when they up-issue the std, they obsolete one;
@ -847,7 +838,7 @@ static void identify(uint16_t *val)
jj = val[GEN_CONFIG] >> 1;
for (ii = 1; ii < 15; ii++) {
if (jj & 0x0001)
printf("\t%s\n", nth_str(ata1_cfg_str, ii));
printf("\t%s\n", nth_string(ata1_cfg_str, ii));
jj >>=1;
}
}
@ -1070,7 +1061,7 @@ static void identify(uint16_t *val)
jj = val[CMDS_SUPP_0];
kk = val[CMDS_EN_0];
for (ii = 0; ii < NUM_CMD_FEAT_STR; ii++) {
const char *feat_str = nth_str(cmd_feat_str, ii);
const char *feat_str = nth_string(cmd_feat_str, ii);
if ((jj & 0x8000) && (*feat_str != '\0')) {
printf("\t%s\t%s\n", (kk & 0x8000) ? " *" : "", feat_str);
}
@ -1088,7 +1079,7 @@ static void identify(uint16_t *val)
}
/* Removable Media Status Notification feature set */
if ((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
printf("\t%s supported\n", nth_str(cmd_feat_str, 27));
printf("\t%s supported\n", nth_string(cmd_feat_str, 27));
/* security */
if ((eqpt != CDROM) && (like_std > 3)
@ -1100,7 +1091,7 @@ static void identify(uint16_t *val)
jj = val[SECU_STATUS];
if (jj) {
for (ii = 0; ii < NUM_SECU_STR; ii++) {
printf("\t%s\t%s\n", (!(jj & 0x0001)) ? "not" : "", nth_str(secu_str, ii));
printf("\t%s\t%s\n", (!(jj & 0x0001)) ? "not" : "", nth_string(secu_str, ii));
jj >>=1;
}
if (val[SECU_STATUS] & SECU_ENABLED) {
@ -1182,13 +1173,13 @@ static void dump_identity(const struct hd_driveid *id)
id->model, id->fw_rev, id->serial_no);
for (i = 0; i <= 15; i++) {
if (id->config & (1<<i))
printf(" %s", nth_str(cfg_str, i));
printf(" %s", nth_string(cfg_str, i));
}
printf(" }\n RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n"
" BuffType=(%u) %s, BuffSize=%ukB, MaxMultSect=%u",
id->cyls, id->heads, id->sectors, id->track_bytes,
id->sector_bytes, id->ecc_bytes,
id->buf_type, nth_str(BuffType, (id->buf_type > 3) ? 0 : id->buf_type),
id->buf_type, nth_string(BuffType, (id->buf_type > 3) ? 0 : id->buf_type),
id->buf_size/2, id->max_multsect);
if (id->max_multsect) {
printf(", MultSect=");
@ -1294,7 +1285,7 @@ static void dump_identity(const struct hd_driveid *id)
if ((id->minor_rev_num && id->minor_rev_num <= 31)
|| (id->major_rev_num && id->minor_rev_num <= 31)
) {
printf("\n Drive conforms to: %s: ", (id->minor_rev_num <= 31) ? nth_str(minor_str, id->minor_rev_num) : "unknown");
printf("\n Drive conforms to: %s: ", (id->minor_rev_num <= 31) ? nth_string(minor_str, id->minor_rev_num) : "unknown");
if (id->major_rev_num != 0x0000 && /* NOVAL_0 */
id->major_rev_num != 0xFFFF) { /* NOVAL_1 */
for (i = 0; i <= 15; i++) {

View File

@ -164,7 +164,7 @@ struct in6_ifreq {
struct arg1opt {
const char *name;
int selector;
unsigned short selector;
unsigned short ifr_offset;
};
@ -183,33 +183,33 @@ struct options {
#define ifreq_offsetof(x) offsetof(struct ifreq, x)
static const struct arg1opt Arg1Opt[] = {
{"SIOCSIFMETRIC", SIOCSIFMETRIC, ifreq_offsetof(ifr_metric)},
{"SIOCSIFMTU", SIOCSIFMTU, ifreq_offsetof(ifr_mtu)},
{"SIOCSIFTXQLEN", SIOCSIFTXQLEN, ifreq_offsetof(ifr_qlen)},
{"SIOCSIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr)},
{"SIOCSIFNETMASK", SIOCSIFNETMASK, ifreq_offsetof(ifr_netmask)},
{"SIOCSIFBRDADDR", SIOCSIFBRDADDR, ifreq_offsetof(ifr_broadaddr)},
{ "SIFMETRIC", SIOCSIFMETRIC, ifreq_offsetof(ifr_metric) },
{ "SIFMTU", SIOCSIFMTU, ifreq_offsetof(ifr_mtu) },
{ "SIFTXQLEN", SIOCSIFTXQLEN, ifreq_offsetof(ifr_qlen) },
{ "SIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr) },
{ "SIFNETMASK", SIOCSIFNETMASK, ifreq_offsetof(ifr_netmask) },
{ "SIFBRDADDR", SIOCSIFBRDADDR, ifreq_offsetof(ifr_broadaddr) },
#if ENABLE_FEATURE_IFCONFIG_HW
{"SIOCSIFHWADDR", SIOCSIFHWADDR, ifreq_offsetof(ifr_hwaddr)},
{ "SIFHWADDR", SIOCSIFHWADDR, ifreq_offsetof(ifr_hwaddr) },
#endif
{"SIOCSIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr)},
{ "SIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr) },
#ifdef SIOCSKEEPALIVE
{"SIOCSKEEPALIVE", SIOCSKEEPALIVE, ifreq_offsetof(ifr_data)},
{ "SKEEPALIVE", SIOCSKEEPALIVE, ifreq_offsetof(ifr_data) },
#endif
#ifdef SIOCSOUTFILL
{"SIOCSOUTFILL", SIOCSOUTFILL, ifreq_offsetof(ifr_data)},
{ "SOUTFILL", SIOCSOUTFILL, ifreq_offsetof(ifr_data) },
#endif
#if ENABLE_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
{"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.mem_start)},
{"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.base_addr)},
{"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.irq)},
{ "SIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.mem_start) },
{ "SIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.base_addr) },
{ "SIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.irq) },
#endif
/* Last entry if for unmatched (possibly hostname) arg. */
#if ENABLE_FEATURE_IPV6
{"SIOCSIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr)}, /* IPv6 version ignores the offset */
{"SIOCDIFADDR", SIOCDIFADDR, ifreq_offsetof(ifr_addr)}, /* IPv6 version ignores the offset */
{ "SIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr) }, /* IPv6 version ignores the offset */
{ "DIFADDR", SIOCDIFADDR, ifreq_offsetof(ifr_addr) }, /* IPv6 version ignores the offset */
#endif
{"SIOCSIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr)},
{ "SIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr) },
};
static const struct options OptArray[] = {
@ -405,7 +405,7 @@ int ifconfig_main(int argc, char **argv)
xioctl(sockfd6, SIOGIFINDEX, &ifr);
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
ioctl_or_perror_and_die(sockfd6, a1op->selector, &ifr6, "%s", a1op->name);
ioctl_or_perror_and_die(sockfd6, a1op->selector, &ifr6, "SIOC%s", a1op->name);
if (ENABLE_FEATURE_CLEAN_UP)
free(lsa);
continue;
@ -457,7 +457,7 @@ int ifconfig_main(int argc, char **argv)
*((int *) p) = i;
}
ioctl_or_perror_and_die(sockfd, a1op->selector, &ifr, "%s", a1op->name);
ioctl_or_perror_and_die(sockfd, a1op->selector, &ifr, "SIOC%s", a1op->name);
#ifdef QUESTIONABLE_ALIAS_CASE
if (mask & A_COLON_CHK) {
/*