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-rw-r--r--toys/other/hello.c56
-rw-r--r--toys/other/vconfig.c14
-rw-r--r--toys/pending/compress.c189
-rw-r--r--toys/pending/init.c44
-rw-r--r--toys/posix/date.c160
-rw-r--r--toys/posix/du.c14
-rw-r--r--toys/posix/grep.c98
7 files changed, 154 insertions, 421 deletions
diff --git a/toys/other/hello.c b/toys/other/hello.c
index b909ed53..eb80972e 100644
--- a/toys/other/hello.c
+++ b/toys/other/hello.c
@@ -8,28 +8,17 @@
// Accept many different kinds of command line argument:
USE_HELLO(NEWTOY(hello, "(walrus)(blubber):;(also):e@d*c#b:a", TOYFLAG_USR|TOYFLAG_BIN))
-USE_HELLO_ALIAS(NEWTOY(hello_alias, "b:dq", TOYFLAG_USR|TOYFLAG_BIN))
config HELLO
bool "hello"
default n
help
- usage: hello [-a] [-b STRING] [-c NUMBER] [-d LIST] [-e COUNT] [...]
+ usage: hello [-a] [-b string] [-c number] [-d list] [-e count] [...]
A hello world program. You don't need this.
Mostly used as an example/skeleton file for adding new commands,
occasionally nice to test kernel booting via "init=/bin/hello".
-
-config HELLO_ALIAS
- bool "hello_alias"
- default n
- depends on HELLO
- help
- usage: hello_alias [-dq] [-b NUMBER]
-
- Example of a second command with different arguments in the same source
- file as the first. Allows shared infrastructure not added to lib.
*/
#define FOR_hello
@@ -38,19 +27,12 @@ config HELLO_ALIAS
// Hello doesn't use these globals, they're here for example/skeleton purposes.
GLOBALS(
- union {
- struct {
- char *b_string;
- long c_number;
- struct arg_list *d_list;
- long e_count;
- char *also_string;
- char *blubber_string;
- } h;
- struct {
- long b_number;
- } a;
- };
+ char *b_string;
+ long c_number;
+ struct arg_list *d_list;
+ long e_count;
+ char *also_string;
+ char *blubber_string;
int more_globals;
)
@@ -65,25 +47,15 @@ void hello_main(void)
if (toys.optflags) printf("flags=%x\n", toys.optflags);
if (toys.optflags & FLAG_a) printf("Saw a\n");
- if (toys.optflags & FLAG_b) printf("b=%s\n", TT.h.b_string);
- if (toys.optflags & FLAG_c) printf("c=%ld\n", TT.h.c_number);
- while (TT.h.d_list) {
- printf("d=%s\n", TT.h.d_list->arg);
- TT.h.d_list = TT.h.d_list->next;
+ if (toys.optflags & FLAG_b) printf("b=%s\n", TT.b_string);
+ if (toys.optflags & FLAG_c) printf("c=%ld\n", TT.c_number);
+ while (TT.d_list) {
+ printf("d=%s\n", TT.d_list->arg);
+ TT.d_list = TT.d_list->next;
}
- if (TT.h.e_count) printf("e was seen %ld times\n", TT.h.e_count);
+ if (TT.e_count) printf("e was seen %ld times\n", TT.e_count);
for (optargs = toys.optargs; *optargs; optargs++)
printf("optarg=%s\n", *optargs);
if (toys.optflags & FLAG_walrus) printf("Saw --walrus\n");
- if (TT.h.blubber_string) printf("--blubber=%s\n", TT.h.blubber_string);
-}
-
-#define CLEANUP_hello
-#define FOR_hello_alias
-#include "generated/flags.h"
-
-void hello_alias_main(void)
-{
- printf("hello world %x\n", toys.optflags);
- if (toys.optflags & FLAG_b) printf("b=%ld", TT.a.b_number);
+ if (TT.blubber_string) printf("--blubber=%s\n", TT.blubber_string);
}
diff --git a/toys/other/vconfig.c b/toys/other/vconfig.c
index 5a737c78..d2422529 100644
--- a/toys/other/vconfig.c
+++ b/toys/other/vconfig.c
@@ -47,18 +47,6 @@ void vconfig_main(void)
memset(&request, 0, sizeof(struct vlan_ioctl_args));
cmd = toys.optargs[0];
-//add ADD_VLAN_CMD 4094 0 // ADD_VLAN_CMD
-//rem DEL_VLAN_CMD 0 0 // DEL_VLAN_CMD
-//set_ingress_map INT_MAX 0 // SET_VLAN_INGRESS_PRIORITY_CMD
-//set_egress_map // SET_VLAN_EGRESS_PRIORITY_CMD
-//GET_VLAN_INGRESS_PRIORITY_CMD,
-//GET_VLAN_EGRESS_PRIORITY_CMD,
-//set_name_type // SET_VLAN_NAME_TYPE_CMD
-//set_flag // SET_VLAN_FLAG_CMD,
-//GET_VLAN_REALDEV_NAME_CMD,
-//GET_VLAN_VID_CMD
-
-
if (!strcmp(cmd, "set_name_type")) {
char *types[] = {"VLAN_PLUS_VID", "DEV_PLUS_VID", "VLAN_PLUS_VID_NO_PAD",
"DEV_PLUS_VID_NO_PAD"};
@@ -77,7 +65,7 @@ void vconfig_main(void)
}
// Store interface name
- xstrncpy(request.device1, toys.optargs[1], 23);
+ xstrncpy(request.device1, toys.optargs[1], 16);
if (!strcmp(cmd, "add")) {
request.cmd = ADD_VLAN_CMD;
diff --git a/toys/pending/compress.c b/toys/pending/compress.c
index 48cec494..bb4af46c 100644
--- a/toys/pending/compress.c
+++ b/toys/pending/compress.c
@@ -5,8 +5,7 @@
* The inflate/deflate code lives here, so the various things that use it
* either live here or call these commands to pipe data through them.
*
- * Divergence from posix: replace obsolete/patented "compress" with mutiplexer.
- * (gzip already replaces "uncompress".)
+ * Divergence from posix: replace obsolete "compress" with mutiplexer.
*
* See RFCs 1950 (zlib), 1951 (deflate), and 1952 (gzip)
* LSB 4.1 has gzip, gunzip, and zcat
@@ -15,10 +14,8 @@
// Accept many different kinds of command line argument.
// Leave Lrg at end so flag values line up.
-USE_COMPRESS(NEWTOY(compress, "zcd9lrg[-cd][!zgLr]", TOYFLAG_USR|TOYFLAG_BIN))
-USE_COMPRESS(NEWTOY(gzip, USE_GZIP_D("d")"19dcflqStvgLRz[!gLRz]", TOYFLAG_USR|TOYFLAG_BIN))
-USE_DECOMPRESS(NEWTOY(zcat, 0, TOYFLAG_USR|TOYFLAG_BIN))
-USE_DECOMPRESS(NEWTOY(gunzip, "cflqStv", TOYFLAG_USR|TOYFLAG_BIN))
+USE_COMPRESS(NEWTOY(compress, "zcd9Lrg[-cd][!zgLr]", TOYFLAG_USR|TOYFLAG_BIN))
+USE_COMPRESS(NEWTOY(zcat, "aLrg[!aLrg]", TOYFLAG_USR|TOYFLAG_BIN))
//zip unzip gzip gunzip zcat
@@ -26,114 +23,38 @@ config COMPRESS
bool "compress"
default n
help
- usage: compress [-zgLR19] [FILE]
-
- Compress or decompress file (or stdin) using "deflate" algorithm.
-
- -1 min compression
- -9 max compression (default)
- -g gzip (default)
- -L zlib
- -R raw
- -z zip
-
-config GZIP
- bool "gzip"
- default y
- depends on COMPRESS
- help
- usage: gzip [-19cfqStvzgLR] [FILE...]
-
- Compess (deflate) file(s). With no files, compress stdin to stdout.
-
- On successful decompression, compressed files are replaced with the
- uncompressed version. The input file is removed and replaced with
- a new file without the .gz extension (with same ownership/permissions).
-
- -1 Minimal compression (fastest)
- -9 Max compression (default)
- -c cat to stdout (act as zcat)
- -f force (if output file exists, input is tty, unrecognized extension)
- -q quiet (no warnings)
- -S specify exension (default .*)
- -t test compressed file(s)
- -v verbose (like -l, but compress files)
-
- Compression type:
- -g gzip (default) -L zlib -R raw -z zip
-
-config GZIP_D
- bool
- default y
- depends on GZIP && DECOMPRESS
- help
- usage: gzip [-d]
-
- -d decompress (act as gunzip)
-
-config DECOMPRESS
- bool "decompress"
- default n
- help
usage: compress [-zglrcd9] [FILE]
Compress or decompress file (or stdin) using "deflate" algorithm.
- -c compress with -g gzip (default) -l zlib -r raw -z zip
+ -c compress with -g gzip (default) -L zlib -r raw -z zip
-d decompress (autodetects type)
-
config ZCAT
bool "zcat"
- default y
- depends on DECOMPRESS
+ default n
+ depends on COMPRESS
help
usage: zcat [FILE...]
Decompress deflated file(s) to stdout
-
-config GUNZIP
- bool "gunzip"
- default y
- depends on DECOMPRESS
- help
- usage: gunzip [-cflqStv] [FILE...]
-
- Decompess (deflate) file(s). With no files, compress stdin to stdout.
-
- On successful decompression, compressed files are replaced with the
- uncompressed version. The input file is removed and replaced with
- a new file without the .gz extension (with same ownership/permissions).
-
- -c cat to stdout (act as zcat)
- -f force (output file exists, input is tty, unrecognized extension)
- -l list compressed/uncompressed/ratio/name for each input file.
- -q quiet (no warnings)
- -S specify exension (default .*)
- -t test compressed file(s)
- -v verbose (like -l, but decompress files)
*/
#define FOR_compress
#include "toys.h"
GLOBALS(
- // Huffman codes: base offset and extra bits tables (length and distance)
+ // base offset and extra bits tables (length and distance)
char lenbits[29], distbits[30];
unsigned short lenbase[29], distbase[30];
void *fixdisthuff, *fixlithuff;
- // CRC
void (*crcfunc)(char *data, int len);
- unsigned crc;
-
- // Compressed data buffer
- char *data;
- unsigned pos, len;
- int fd;
+ unsigned crc, len;
- // Tables only used for deflation
- unsigned short *head, *chain;
+ char *outbuf;
+ unsigned outlen;
+ int outfd;
)
// little endian bit buffer
@@ -204,12 +125,12 @@ unsigned bitbuf_get(struct bitbuf *bb, int bits)
return result;
}
-static void data_crc(char sym)
+static void outbuf_crc(char sym)
{
- TT.data[TT.pos++ & 32767] = sym;
+ TT.outbuf[TT.outlen++ & 32767] = sym;
- if (!(TT.pos & 32767)) {
- xwrite(TT.fd, TT.data, 32768);
+ if (!(TT.outlen & 32767)) {
+ xwrite(TT.outfd, TT.outbuf, 32768);
if (TT.crcfunc) TT.crcfunc(0, 32768);
}
}
@@ -225,7 +146,7 @@ struct huff {
// Create simple huffman tree from array of bit lengths.
-// The symbols in the huffman trees are sorted (first by bit length
+// The symbols in deflate's huffman trees are sorted (first by bit length
// of the code to reach them, then by symbol number). This means that given
// the bit length of each symbol, we can construct a unique tree.
static void len2huff(struct huff *huff, char bitlen[], int len)
@@ -264,33 +185,6 @@ static unsigned huff_and_puff(struct bitbuf *bb, struct huff *huff)
return huff->symbol[start + offset];
}
-// For deflate, TT.len = input read, TT.pos = input consumed
-static void deflate(struct bitbuf *bb)
-{
- char *data = TT.data;
- int len, end = 0;
-
- TT.crc = ~0;
-
- // Read next half-window of data if we haven't hit EOF yet.
-read_more:
- len = readall(TT.fd, data + (TT.len & 32768), 32768);
-fprintf(stderr, "read %d@%d\n", len, TT.pos);
- if (len < 0) perror_exit("read"); // todo: add filename
- if (len != 32768) end++;
- TT.len += len;
-
- // repeat until spanked
- while (TT.pos != TT.len) {
- unsigned pos = TT.pos & 65535;
-
- if (!(pos & 32767) && !end) goto read_more;
-
- TT.pos++;
- }
-fprintf(stderr, "numberwang %d\n", TT.pos);
-}
-
// Decompress deflated data from bitbuf to filehandle.
static void inflate(struct bitbuf *bb)
{
@@ -322,7 +216,7 @@ static void inflate(struct bitbuf *bb)
// dump bytes until done or end of current bitbuf contents
if (bblen > len) bblen = len;
pos = bblen;
- while (pos--) data_crc(*(p++));
+ while (pos--) outbuf_crc(*(p++));
bitbuf_skip(bb, bblen << 3);
len -= bblen;
}
@@ -382,7 +276,7 @@ static void inflate(struct bitbuf *bb)
int sym = huff_and_puff(bb, lithuff);
// Literal?
- if (sym < 256) data_crc(sym);
+ if (sym < 256) outbuf_crc(sym);
// Copy range?
else if (sym > 256) {
@@ -392,9 +286,9 @@ static void inflate(struct bitbuf *bb)
len = TT.lenbase[sym] + bitbuf_get(bb, TT.lenbits[sym]);
sym = huff_and_puff(bb, disthuff);
dist = TT.distbase[sym] + bitbuf_get(bb, TT.distbits[sym]);
- sym = TT.pos & 32767;
+ sym = TT.outlen & 32767;
- while (len--) data_crc(TT.data[(TT.pos-dist) & 32767]);
+ while (len--) outbuf_crc(TT.outbuf[(TT.outlen-dist) & 32767]);
// End of block
} else break;
@@ -405,25 +299,18 @@ static void inflate(struct bitbuf *bb)
if (final) break;
}
- if (TT.pos & 32767) {
- xwrite(TT.fd, TT.data, TT.pos & 32767);
- if (TT.crcfunc) TT.crcfunc(0, TT.pos & 32767);
+ if (TT.outlen & 32767) {
+ xwrite(TT.outfd, TT.outbuf, TT.outlen & 32767);
+ if (TT.crcfunc) TT.crcfunc(0, TT.outlen & 32767);
}
}
-static void init_deflate(int compress)
+static void init_deflate(void)
{
- int i, n = 1, size = 32768;
+ int i, n = 1;
// Ye olde deflate window
- TT.data = xmalloc(32768*(compress+1));
- if (compress) {
- TT.head = (unsigned short *)(TT.data+65536);
- TT.chain = TT.head +
-
-HASH_SIZE = 1 << 15;
-
- }
+ TT.outbuf = xmalloc(32768);
// Calculate lenbits, lenbase, distbits, distbase
*TT.lenbase = 3;
@@ -478,22 +365,17 @@ void gzip_crc(char *data, int len)
unsigned crc, *crc_table = (unsigned *)(toybuf+sizeof(toybuf)-1024);
crc = TT.crc;
- for (i=0; i<len; i++) crc = crc_table[(crc^TT.data[i])&0xff] ^ (crc>>8);
+ for (i=0; i<len; i++) crc = crc_table[(crc^TT.outbuf[i])&0xff] ^ (crc>>8);
TT.crc = crc;
TT.len += len;
}
-static void do_compress(int fd, char *name)
-{
- xwrite(1, "\x1f\x8b\x08\0\0\0\0\0\x02\xff", 10);
-}
-
static void do_zcat(int fd, char *name)
{
struct bitbuf *bb = bitbuf_init(fd, sizeof(toybuf));
if (!is_gzip(bb)) error_exit("not gzip");
- TT.fd = 1;
+ TT.outfd = 1;
// Use last 1k of toybuf for little endian crc table
crc_init((unsigned *)(toybuf+sizeof(toybuf)-1024), 1);
@@ -516,20 +398,13 @@ void compress_main(void)
zcat_main();
}
-#define CLEANUP_compress
-#define FOR_zcat
-#include "generated/flags.h"
+//#define CLEANUP_compress
+//#define FOR_zcat
+//#include "generated/flags.h"
void zcat_main(void)
{
- init_deflate(0);
+ init_deflate();
loopfiles(toys.optargs, do_zcat);
}
-
-//void gunzip_main(void)
-//{
-// init_deflate(0);
-//
-// loopfiles(toys.optargs, do_zcat);
-//}
diff --git a/toys/pending/init.c b/toys/pending/init.c
index ca3c6cc4..8199e748 100644
--- a/toys/pending/init.c
+++ b/toys/pending/init.c
@@ -13,10 +13,7 @@ config INIT
help
usage: init
- System V style init.
-
- First program to run (as PID 1) when the system comes up, reading
- /etc/inittab to determine actions.
+ init the system.
*/
#include "toys.h"
@@ -44,9 +41,8 @@ int caught_signal;
static void initialize_console(void)
{
int fd;
- char *p = getenv("CONSOLE");
+ char *p = (p = getenv("CONSOLE")) ? p : getenv("console");
- if (!p) p = getenv("console");
if (!p) {
fd = open("/dev/null", O_RDWR);
if (fd >= 0) {
@@ -66,11 +62,11 @@ static void initialize_console(void)
if (!getenv("TERM")) putenv("TERM=linux");
}
-static void reset_term(int fd)
+static void set_sane_term(void)
{
struct termios terminal;
- tcgetattr(fd, &terminal);
+ tcgetattr(0, &terminal);
terminal.c_cc[VINTR] = 3; //ctrl-c
terminal.c_cc[VQUIT] = 28; /*ctrl-\*/
terminal.c_cc[VERASE] = 127; //ctrl-?
@@ -81,16 +77,12 @@ static void reset_term(int fd)
terminal.c_cc[VSUSP] = 26; //ctrl-z
terminal.c_line = 0;
- terminal.c_cflag &= CRTSCTS|PARODD|PARENB|CSTOPB|CSIZE|CBAUDEX|CBAUD;
- terminal.c_cflag |= CLOCAL|HUPCL|CREAD;
-
- //enable start/stop input and output control + map CR to NL on input
- terminal.c_iflag = IXON|IXOFF|ICRNL;
-
- //Map NL to CR-NL on output
- terminal.c_oflag = ONLCR|OPOST;
+ terminal.c_cflag = terminal.c_cflag&(CRTSCTS|PARODD|PARENB|CSTOPB|CSIZE|CBAUDEX|CBAUD);
+ terminal.c_cflag = terminal.c_cflag|(CLOCAL|HUPCL|CREAD);
+ terminal.c_iflag = IXON|IXOFF|ICRNL;//enable start/stop input and output control + map CR to NL on input
+ terminal.c_oflag = ONLCR|OPOST;//Map NL to CR-NL on output
terminal.c_lflag = IEXTEN|ECHOKE|ECHOCTL|ECHOK|ECHOE|ECHO|ICANON|ISIG;
- tcsetattr(fd, TCSANOW, &terminal);
+ tcsetattr(0, TCSANOW, &terminal);
}
static void add_new_action(uint8_t action,char *command,char *term)
@@ -258,7 +250,7 @@ static pid_t final_run(struct action_list_seed *x)
dup2(0, 2);
}
}
- reset_term(0);
+ set_sane_term();
run_command(x->command);
_exit(-1);
}
@@ -289,7 +281,6 @@ static void waitforpid(pid_t pid)
if (kill(y, 0)) break;
}
}
-
static void run_action_from_list(int action)
{
pid_t pid;
@@ -311,7 +302,14 @@ static void set_default(void)
{
sigset_t signal_set_c;
- sigatexit(SIG_DFL);
+ signal(SIGUSR1,SIG_DFL);
+ signal(SIGUSR2,SIG_DFL);
+ signal(SIGTERM,SIG_DFL);
+ signal(SIGQUIT,SIG_DFL);
+ signal(SIGINT,SIG_DFL);
+ signal(SIGHUP,SIG_DFL);
+ signal(SIGTSTP,SIG_DFL);
+ signal(SIGSTOP,SIG_DFL);
sigfillset(&signal_set_c);
sigprocmask(SIG_UNBLOCK,&signal_set_c, NULL);
@@ -359,7 +357,6 @@ static void halt_poweroff_reboot_handler(int sig_no)
while(1) sleep(1);
}
-
static void restart_init_handler(int sig_no)
{
struct action_list_seed *x;
@@ -389,7 +386,7 @@ static void restart_init_handler(int sig_no)
} else {
dup2(0, 1);
dup2(0, 2);
- reset_term(0);
+ set_sane_term();
run_command(x->command);
}
}
@@ -443,7 +440,7 @@ void init_main(void)
if (getpid() != 1) error_exit("Already running");
printf("Started init\n");
initialize_console();
- reset_term(0);
+ set_sane_term();
if (chdir("/")) perror_exit("Can't cd to /");
setsid();
@@ -452,7 +449,6 @@ void init_main(void)
putenv("PATH=/sbin:/usr/sbin:/bin:/usr/bin");
putenv("SHELL=/bin/sh");
putenv("USER=root");
-
inittab_parsing();
signal(SIGUSR1, halt_poweroff_reboot_handler);//halt
signal(SIGUSR2, halt_poweroff_reboot_handler);//poweroff
diff --git a/toys/posix/date.c b/toys/posix/date.c
index a4e5e27c..e1ba636d 100644
--- a/toys/posix/date.c
+++ b/toys/posix/date.c
@@ -7,39 +7,21 @@
* Note: setting a 2 year date is 50 years back/forward from today,
* not posix's hardwired magic dates.
-USE_DATE(NEWTOY(date, "d:s:r:u", TOYFLAG_BIN))
+USE_DATE(NEWTOY(date, "r:u", TOYFLAG_BIN))
config DATE
bool "date"
default y
help
- usage: date [-u] [-r FILE] [-d DATE] [+DISPLAY_FORMAT] [-s SET_FORMAT] [SET]
+ usage: date [-u] [-r FILE] [+FORMAT] | mmddhhmm[[cc]yy[.ss]]
- Set/get the current date/time. With no SET shows the current date.
+ Set/get the current date/time.
- Default SET format is "MMDDhhmm[[CC]YY][.ss]", that's (2 digits each)
- month, day, hour (0-23), and minute. Optionally century, year, and second.
+ Setting the date requires month, day, hour (0-23), and minute, each
+ two digits. It can optionally include year, century, and .seconds.
- -d Show DATE instead of current time (convert date format)
- -r Use modification time of FILE instead of current date
- -s +FORMAT for SET or -d (instead of MMDDhhmm[[CC]YY][.ss])
- -u Use UTC instead of current timezone
-
- +FORMAT specifies display format string using these escapes:
-
- %% literal % %n newline %t tab
- %S seconds (00-60) %M minute (00-59) %m month (01-12)
- %H hour (0-23) %I hour (01-12) %p AM/PM
- %y short year (00-99) %Y year %C century
- %a short weekday name %A weekday name %u day of week (1-7, 1=mon)
- %b short month name %B month name %Z timezone name
- %j day of year (001-366) %d day of month (01-31) %e day of month ( 1-31)
-
- %U Week of year (0-53 start sunday) %W Week of year (0-53 start monday)
- %V Week of year (1-53 start monday, week < 4 days not part of this year)
-
- %D = "%m/%d/%y" %r = "%I : %M : %S %p" %T = "%H:%M:%S" %h = "%b"
- %x locale date %X locale time %c locale date/time
+ -u Use UTC timezone instead of current
+ -r Use date from FILE instead of current date
*/
#define FOR_date
@@ -47,95 +29,72 @@ config DATE
GLOBALS(
char *file;
- char *setfmt;
- char *showdate;
)
-// Handle default posix date format: mmddhhmm[[cc]yy]
-// returns 0 success, nonzero for error
-int parse_posixdate(char *str, struct tm *tm)
-{
- struct timeval tv;
- int len;
-
- len = 0;
- sscanf(str, "%2u%2u%2u%2u%n", &tm.tm_mon, &tm.tm_mday, &tm.tm_hour,
- &tm.tm_min, &len);
- if (len != 8) goto bad_date;
- str += len;
- tm.tm_mon--;
-
- // If year specified, overwrite one we fetched earlier
- if (*str && *str != '.') {
- unsigned year, r1 = tm.tm_year % 100, r2 = (tm.tm_year + 50) % 100,
- century = tm.tm_year - r1;
-
- len = 0;
- sscanf(str, "%u%n", &year, &len);
- if (len == 4) year -= 1900;
- else if (len != 2) goto bad_date;
- str += len;
-
- // 2 digit years, next 50 years are "future", last 50 years are "past".
- // A "future" date in past is a century ahead.
- // A non-future date in the future is a century behind.
- if ((r1 < r2) ? (r1 < year && year < r2) : (year < r1 || year > r2)) {
- if (year < r1) year += 100;
- } else if (year > r1) year -= 100;
- tm.tm_year = year + century;
- }
- if (*str == '.') {
- len = 0;
- sscanf(str, ".%u%n", &tm.tm_sec, &len);
- str += len;
- }
-
- return *str;
-}
-
-
void date_main(void)
{
- char *setdate = *toys.optargs, *format_string = "%a %b %e %H:%M:%S %Z %Y",
- *tz;
+ const char *format_string = "%a %b %e %H:%M:%S %Z %Y";
time_t now = time(NULL);
struct tm tm;
- // We can't just pass a timezone to mktime because posix.
- if (toys.optflags & FLAG_u) {
- tz = CFG_TOYBOX_FREE ? getenv("TZ") : 0;
- setenv("TZ", "UTC", 1);
- tzset();
- }
-
if (TT.file) {
struct stat st;
xstat(TT.file, &st);
now = st.st_mtim.tv_sec;
- } else if (TT.showdate) {
- if (TT.setfmt) {
- char *s = strptime(TT.showdate, TT.setfmt, &tm);
-
- if (!s || !*s) goto bad_date;
- } else if (parse_posixdate(TT.showdate, &tm)) goto bad_date;
- } else localtime_r(&now, &tm);
+ }
+ ((toys.optflags & FLAG_u) ? gmtime_r : localtime_r)(&now, &tm);
- // Fall through if no arguments
- if (!setdate);
// Display the date?
- else if (*setdate == '+') {
- format_string = toys.optargs[0]+1;
- setdate = toys.optargs[1];
+ if (!toys.optargs[0] || toys.optargs[0][0] == '+') {
+ if (toys.optargs[0]) format_string = toys.optargs[0]+1;
+ if (!strftime(toybuf, sizeof(toybuf), format_string, &tm)) goto bad_format;
+
+ puts(toybuf);
// Set the date
- } else if (setdate) {
- if (parse_posixdate(setdate, tm)) goto bad_date;
+ } else {
+ struct timeval tv;
+ char *s = *toys.optargs;
+ int len;
+
+ // Date format: mmddhhmm[[cc]yy]
+ len = 0;
+ sscanf(s, "%2u%2u%2u%2u%n", &tm.tm_mon, &tm.tm_mday, &tm.tm_hour,
+ &tm.tm_min, &len);
+ if (len != 8) goto bad_date;
+ s += len;
+ tm.tm_mon--;
+
+ // If year specified, overwrite one we fetched earlier
+ if (*s && *s != '.') {
+ unsigned year, r1 = tm.tm_year % 100, r2 = (tm.tm_year + 50) % 100,
+ century = tm.tm_year - r1;
+
+ len = 0;
+ sscanf(s, "%u%n", &year, &len);
+ if (len == 4) year -= 1900;
+ else if (len != 2) goto bad_date;
+ s += len;
+
+ // 2 digit years, next 50 years are "future", last 50 years are "past".
+ // A "future" date in past is a century ahead.
+ // A non-future date in the future is a century behind.
+ if ((r1 < r2) ? (r1 < year && year < r2) : (year < r1 || year > r2)) {
+ if (year < r1) year += 100;
+ } else if (year > r1) year -= 100;
+ tm.tm_year = year + century;
+ }
+ if (*s == '.') {
+ len = 0;
+ sscanf(s, ".%u%n", &tm.tm_sec, &len);
+ s += len;
+ }
+ if (*s) goto bad_date;
if (toys.optflags & FLAG_u) {
- // We can't just pass a timezone to mktime because posix.
+ // Get the UTC version of a struct tm
char *tz = CFG_TOYBOX_FREE ? getenv("TZ") : 0;
-
setenv("TZ", "UTC", 1);
tzset();
tv.tv_sec = mktime(&tm);
@@ -148,18 +107,11 @@ void date_main(void)
if (tv.tv_sec == (time_t)-1) goto bad_date;
tv.tv_usec = 0;
+ if (!strftime(toybuf, sizeof(toybuf), format_string, &tm)) goto bad_format;
+ puts(toybuf);
if (settimeofday(&tv, NULL) < 0) perror_msg("cannot set date");
}
- if (toys.optflags & FLAG_u) {
- if (tz) setenv("TZ", tz, 1);
- else unsetenv("TZ");
- tzset();
- }
-
- if (!strftime(toybuf, sizeof(toybuf), format_string, &tm)) goto bad_format;
- puts(toybuf);
-
return;
bad_date:
diff --git a/toys/posix/du.c b/toys/posix/du.c
index 64ba0517..96922bca 100644
--- a/toys/posix/du.c
+++ b/toys/posix/du.c
@@ -54,8 +54,18 @@ static void print(long long size, struct dirtree *node)
if (TT.maxdepth && TT.depth > TT.maxdepth) return;
- if (toys.optflags & FLAG_h) printf("%s", human_readable(size));
- else {
+ if (toys.optflags & FLAG_h) {
+ char buf[32];
+ int index, sz;
+
+ for (index = 0; 1024 < size>>(10*index); index++);
+ sz = size>>(10*index);
+ if (sz < 10) {
+ sprintf(buf, "%llu", size>>(10*(index-1)));
+ printf("%c.%c", buf[0], buf[1]);
+ } else printf("%d", sz);
+ if (index) printf("%c", " KMGTPE"[index]);
+ } else {
int bits = 10;
if (toys.optflags & FLAG_K) bits = 9;
diff --git a/toys/posix/grep.c b/toys/posix/grep.c
index 2837cc24..aba70878 100644
--- a/toys/posix/grep.c
+++ b/toys/posix/grep.c
@@ -4,7 +4,7 @@
*
* See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html
-USE_GREP(NEWTOY(grep, "A#B#C#ZzEFHabhinorsvwclqe*f*m#x[!wx][!EFw]", TOYFLAG_BIN))
+USE_GREP(NEWTOY(grep, "ZzEFHabhinorsvwclqe*f*m#x[!wx][!EFw]", TOYFLAG_BIN))
USE_GREP(OLDTOY(egrep, grep, OPTSTR_grep, TOYFLAG_BIN))
USE_GREP(OLDTOY(fgrep, grep, OPTSTR_grep, TOYFLAG_BIN))
@@ -46,67 +46,40 @@ GLOBALS(
long m;
struct arg_list *f;
struct arg_list *e;
- long C;
- long B;
- long A;
struct arg_list *regex;
- struct double_list *blist;
)
-struct dlist_off {
- char *next, *prev;
- long offset;
- char *data;
-};
-
static void do_grep(int fd, char *name)
{
FILE *file = fdopen(fd, "r");
long offset = 0;
- int lcount = 0, mcount = 0, which = toys.optflags & FLAG_w ? 2 : 0,
- blines = 0, alines = 0, dash = 0;
+ int lcount = 0, mcount = 0, which = toys.optflags & FLAG_w ? 2 : 0;
char indelim = '\n' * !(toys.optflags&FLAG_z),
outdelim = '\n' * !(toys.optflags&FLAG_Z);
if (!fd) name = "(standard input)";
-fprintf(stderr, "boo\n");
if (!file) {
perror_msg("%s", name);
return;
}
- // Loop through lines of input
for (;;) {
- char *oline = 0, *line = 0, *start;
+ char *line = 0, *start;
regmatch_t matches[3];
size_t unused;
long len;
int mmatch = 0;
- // Read next line of input
lcount++;
if (0 > (len = getdelim(&line, &unused, indelim, file))) break;
if (line[len-1] == indelim) line[len-1] = 0;
-fprintf(stderr, "line=%s\n", line);
- // Unconditionally add line to blist so output can always just dump blist.
- dlist_add(&TT.blist, line);
-fprintf(stderr, "added=%s\n", TT.blist->data);
-fprintf(stderr, "prev=%s\n", TT.blist->prev->data);
- if (blines <= TT.B) blines++;
- else {
- struct double_list *temp = dlist_pop(&TT.blist);
-fprintf(stderr, "bird=%s\n", temp->data);
- free(temp->data);
- free(temp);
- }
start = line;
- // Loop to match multiple times within the same line (if necessary)
- for (;;) {
-fprintf(stderr, "match?\n");
+ for (;;)
+ {
int rc = 0, skip = 0;
if (toys.optflags & FLAG_F) {
@@ -159,51 +132,30 @@ fprintf(stderr, "match?\n");
}
matches[which].rm_so = 0;
} else if (rc) break;
-fprintf(stderr, "got match %s\n", line);
- // We got a match, figure out how to display it
+
mmatch++;
toys.exitval = 0;
if (toys.optflags & FLAG_q) xexit();
if (toys.optflags & FLAG_l) {
printf("%s%c", name, outdelim);
- goto finish;
+ free(line);
+ fclose(file);
+ return;
}
-
- line = 0;
-fprintf(stderr, "here=%s\n", TT.blist->prev->data);
- // Yes, -o sometimes counts things as a match (-c) but doesn't display it
if (toys.optflags & FLAG_o)
if (matches[which].rm_eo == matches[which].rm_so)
break;
-// List of lines that DIDN'T match, print backlog?
-// Except this includes the one we just matched...?
- while (TT.blist) {
- struct double_list *dlist = dlist_pop(&TT.blist);
- char *ll = dlist->data;
-fprintf(stderr, "popped %s\n", ll);
- if (dash) printf("--%c", outdelim);
- dash = 0;
-
- if (!(toys.optflags & FLAG_c)) {
- if (toys.optflags & FLAG_H) printf("%s:", name);
- if (toys.optflags & FLAG_n) printf("%d:", lcount);
- if (toys.optflags & FLAG_b)
- printf("%ld:", offset + (start - dlist->data) +
- ((toys.optflags & FLAG_o) ? matches[which].rm_so : 0));
- if (!(toys.optflags & FLAG_o)) xprintf("%s%c", dlist->data, outdelim);
- else if (!TT.blist) {
-
-// TODO: FLAG_o prints multiple times, can't free it yet?
- xprintf("%.*s%c", matches[which].rm_eo - matches[which].rm_so,
- start + matches[which].rm_so, outdelim);
- line = dlist->data;
- }
- }
- if (oline && !TT.blist) TT.blist = dlist;
+ if (!(toys.optflags & FLAG_c)) {
+ if (toys.optflags & FLAG_H) printf("%s:", name);
+ if (toys.optflags & FLAG_n) printf("%d:", lcount);
+ if (toys.optflags & FLAG_b)
+ printf("%ld:", offset + (start-line) +
+ ((toys.optflags & FLAG_o) ? matches[which].rm_so : 0));
+ if (!(toys.optflags & FLAG_o)) xprintf("%s%c", line, outdelim);
else {
- free(dlist->data);
- free(dlist);
+ xprintf("%.*s%c", matches[which].rm_eo - matches[which].rm_so,
+ start + matches[which].rm_so, outdelim);
}
}
@@ -211,7 +163,7 @@ fprintf(stderr, "popped %s\n", ll);
if (!(toys.optflags & FLAG_o) || !*start) break;
}
offset += len;
-fprintf(stderr, "Spacious skies\n");
+
free(line);
if (mmatch) mcount++;
@@ -223,14 +175,6 @@ fprintf(stderr, "Spacious skies\n");
xprintf("%d%c", mcount, outdelim);
}
-finish:
- while (CFG_TOYBOX_FREE && TT.blist) {
- struct double_list *dlist = dlist_pop(&TT.blist);
-
- free(dlist->data);
- free(dlist);
- }
-
// loopfiles will also close the fd, but this frees an (opaque) struct.
fclose(file);
}
@@ -329,10 +273,6 @@ void grep_main(void)
toys.optc--;
}
- if (!TT.A) TT.A = TT.C;
- if (!TT.B) TT.B = TT.C;
- if (toys.optflags & (FLAG_l|FLAG_o)) TT.B = 0; // avoid memory leak
-
parse_regex();
if (!(toys.optflags & FLAG_h) && toys.optc>1) toys.optflags |= FLAG_H;