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This commit is contained in:
Eric Andersen 1999-10-29 00:07:31 +00:00
parent 6b6b3f6ef2
commit c1525e84dd
11 changed files with 229 additions and 159 deletions
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3
applets/busybox.c
View File

@ -142,6 +142,9 @@ static const struct Applet applets[] = {
{"fdisk", sfdisk_main},
{"sfdisk", sfdisk_main},
#endif
#ifdef BB_SED //bin
{"sed", sed_main},
#endif
#ifdef BB_SLEEP //bin
{"sleep", sleep_main},
#endif

3
busybox.c
View File

@ -142,6 +142,9 @@ static const struct Applet applets[] = {
{"fdisk", sfdisk_main},
{"sfdisk", sfdisk_main},
#endif
#ifdef BB_SED //bin
{"sed", sed_main},
#endif
#ifdef BB_SLEEP //bin
{"sleep", sleep_main},
#endif

1
busybox.def.h
View File

@ -47,6 +47,7 @@
#define BB_RM
#define BB_RMDIR
//#define BB_SFDISK
#define BB_SED
#define BB_SLEEP
#define BB_SWAPONOFF
#define BB_SYNC

110
editors/sed.c
View File

@ -33,12 +33,10 @@
static const char sed_usage[] =
"sed [-n] [-e script] [file...]\n"
"Allowed scripts come in two forms:\n"
"'/regexp/[gp]'\n"
"\tattempt to match regexp against the pattern space\n"
"Allowed scripts come in the following form:\n\n"
"'s/regexp/replacement/[gp]'\n"
"\tattempt to match regexp against the pattern space\n"
"\tand if successful replaces the matched portion with replacement."
"\tand if successful replaces the matched portion with replacement.\n\n"
"Options:\n"
"-e\tadd the script to the commands to be executed\n"
"-n\tsuppress automatic printing of pattern space\n\n"
@ -49,64 +47,86 @@ static const char sed_usage[] =
#endif
static int replaceFlag = FALSE;
static int noprintFlag = FALSE;
extern int sed_main (int argc, char **argv)
{
FILE *fp;
const char *needle;
const char *name;
const char *cp;
int tellName=TRUE;
char *needle=NULL, *newNeedle=NULL;
char *name;
char *cp;
int ignoreCase=FALSE;
int tellLine=FALSE;
long line;
char haystack[BUF_SIZE];
ignoreCase = FALSE;
tellLine = FALSE;
int foundOne=FALSE;
int noprintFlag=FALSE;
int stopNow;
char *haystack;
argc--;
argv++;
if (argc < 1) {
usage(grep_usage);
usage(sed_usage);
}
if (**argv == '-') {
argc--;
cp = *argv++;
stopNow=FALSE;
while (*++cp)
while (*++cp && stopNow==FALSE)
switch (*cp) {
case 'n':
noprintFlag = TRUE;
break;
case 'e':
if (*(*argv)+1 != '\'' && **argv != '\"') {
if (--argc == 0)
usage( mkdir_usage);
++argv;
if (*(*argv)+1 != '\'' && **argv != '\"') {
usage( mkdir_usage);
if (*(cp+1)==0 && --argc < 0) {
fprintf(stderr, "A\n");
usage( sed_usage);
}
/* Find the specified modes */
mode = 0;
if ( parse_mode(*(++argv), &mode) == FALSE ) {
fprintf(stderr, "Unknown mode: %s\n", *argv);
exit( FALSE);
cp = *argv++;
while( *cp ) {
if (*cp == 's' && strlen(cp) > 3 && *(cp+1) == '/') {
char* pos=needle=cp+2;
for(;;) {
pos = strchr(pos, '/');
if (pos==NULL) {
fprintf(stderr, "B\n");
usage( sed_usage);
}
if (*(pos-1) == '\\') {
pos++;
continue;
}
break;
}
*pos=0;
newNeedle=++pos;
for(;;) {
pos = strchr(pos, '/');
if (pos==NULL) {
fprintf(stderr, "C\n");
usage( sed_usage);
}
if (*(pos-1) == '\\') {
pos++;
continue;
}
break;
}
*pos=0;
}
cp++;
}
fprintf(stderr, "replace '%s' with '%s'\n", needle, newNeedle);
stopNow=TRUE;
break;
default:
usage(grep_usage);
fprintf(stderr, "D\n");
usage(sed_usage);
}
}
needle = *argv++;
argc--;
fprintf(stderr, "argc=%d\n", argc);
while (argc-- > 0) {
name = *argv++;
@ -115,25 +135,19 @@ extern int sed_main (int argc, char **argv)
perror (name);
continue;
}
fprintf(stderr, "filename is '%s'\n", name);
line = 0;
haystack = (char*)malloc( 80);
while (fgets (haystack, sizeof (haystack), fp)) {
line++;
cp = &haystack[strlen (haystack) - 1];
if (*cp != '\n')
fprintf (stderr, "%s: Line too long\n", name);
if (find_match(haystack, needle, ignoreCase) == TRUE) {
if (tellName==TRUE)
printf ("%s: ", name);
if (tellLine==TRUE)
printf ("%ld: ", line);
foundOne = replace_match(haystack, needle, newNeedle, ignoreCase);
if (noprintFlag==TRUE && foundOne==TRUE)
fputs (haystack, stdout);
}
else
fputs (haystack, stdout);
/* Avoid any mem leaks */
free(haystack);
haystack = (char*)malloc( BUF_SIZE);
}
if (ferror (fp))

18
init.c
View File

@ -41,8 +41,6 @@
#include <sys/vt.h> /* for vt_stat */
#include <sys/ioctl.h>
#define DEBUG_INIT
#define CONSOLE "/dev/console" /* Logical system console */
#define VT_PRIMARY "/dev/tty0" /* Virtual console master */
#define VT_SECONDARY "/dev/tty1" /* Virtual console master */
@ -272,7 +270,6 @@ static pid_t run(const char * const* command,
}
#ifndef DEBUG_INIT
static void shutdown_system(void)
{
const char* const swap_off_cmd[] = { "/bin/swapoff", "-a", 0};
@ -318,12 +315,9 @@ static void reboot_signal(int sig)
exit(0);
}
#endif
extern int init_main(int argc, char **argv)
{
int run_rc = TRUE;
pid_t pid = 0;
pid_t pid1 = 0;
pid_t pid2 = 0;
struct stat statbuf;
@ -333,13 +327,10 @@ extern int init_main(int argc, char **argv)
const char* const* tty0_commands = init_commands;
const char* const* tty1_commands = shell_commands;
char *hello_msg_format =
"init(%d) started: BusyBox v%s (%s) multi-call binary\r\n";
"init started: BusyBox v%s (%s) multi-call binary\r\n";
const char *no_memory =
"Sorry, your computer does not have enough memory.\r\n";
pid = getpid();
#ifndef DEBUG_INIT
/* Set up sig handlers */
signal(SIGUSR1, halt_signal);
signal(SIGSEGV, halt_signal);
@ -353,7 +344,6 @@ extern int init_main(int argc, char **argv)
/* Turn off rebooting via CTL-ALT-DEL -- we get a
* SIGINT on CAD so we can shut things down gracefully... */
reboot(RB_DISABLE_CAD);
#endif
/* Figure out where the default console should be */
console_init();
@ -370,8 +360,8 @@ extern int init_main(int argc, char **argv)
putenv(PATH_DEFAULT);
/* Hello world */
message(log, hello_msg_format, pid, BB_VER, BB_BT);
fprintf(stderr, hello_msg_format, pid, BB_VER, BB_BT);
message(log, hello_msg_format, BB_VER, BB_BT);
fprintf(stderr, hello_msg_format, BB_VER, BB_BT);
/* Mount /proc */
@ -385,7 +375,7 @@ extern int init_main(int argc, char **argv)
/* Make sure there is enough memory to do something useful */
set_free_pages();
if (mem_total() < 2000) {
if (mem_total() < 3500) {
int retval;
retval = stat("/etc/fstab", &statbuf);
if (retval) {

18
init/init.c
View File

@ -41,8 +41,6 @@
#include <sys/vt.h> /* for vt_stat */
#include <sys/ioctl.h>
#define DEBUG_INIT
#define CONSOLE "/dev/console" /* Logical system console */
#define VT_PRIMARY "/dev/tty0" /* Virtual console master */
#define VT_SECONDARY "/dev/tty1" /* Virtual console master */
@ -272,7 +270,6 @@ static pid_t run(const char * const* command,
}
#ifndef DEBUG_INIT
static void shutdown_system(void)
{
const char* const swap_off_cmd[] = { "/bin/swapoff", "-a", 0};
@ -318,12 +315,9 @@ static void reboot_signal(int sig)
exit(0);
}
#endif
extern int init_main(int argc, char **argv)
{
int run_rc = TRUE;
pid_t pid = 0;
pid_t pid1 = 0;
pid_t pid2 = 0;
struct stat statbuf;
@ -333,13 +327,10 @@ extern int init_main(int argc, char **argv)
const char* const* tty0_commands = init_commands;
const char* const* tty1_commands = shell_commands;
char *hello_msg_format =
"init(%d) started: BusyBox v%s (%s) multi-call binary\r\n";
"init started: BusyBox v%s (%s) multi-call binary\r\n";
const char *no_memory =
"Sorry, your computer does not have enough memory.\r\n";
pid = getpid();
#ifndef DEBUG_INIT
/* Set up sig handlers */
signal(SIGUSR1, halt_signal);
signal(SIGSEGV, halt_signal);
@ -353,7 +344,6 @@ extern int init_main(int argc, char **argv)
/* Turn off rebooting via CTL-ALT-DEL -- we get a
* SIGINT on CAD so we can shut things down gracefully... */
reboot(RB_DISABLE_CAD);
#endif
/* Figure out where the default console should be */
console_init();
@ -370,8 +360,8 @@ extern int init_main(int argc, char **argv)
putenv(PATH_DEFAULT);
/* Hello world */
message(log, hello_msg_format, pid, BB_VER, BB_BT);
fprintf(stderr, hello_msg_format, pid, BB_VER, BB_BT);
message(log, hello_msg_format, BB_VER, BB_BT);
fprintf(stderr, hello_msg_format, BB_VER, BB_BT);
/* Mount /proc */
@ -385,7 +375,7 @@ extern int init_main(int argc, char **argv)
/* Make sure there is enough memory to do something useful */
set_free_pages();
if (mem_total() < 2000) {
if (mem_total() < 3500) {
int retval;
retval = stat("/etc/fstab", &statbuf);
if (retval) {

1
internal.h
View File

@ -102,6 +102,7 @@ extern int rm_main(int argc, char** argv);
extern int scan_partitions_main(int argc, char** argv);
extern int sh_main(int argc, char** argv);
extern int sfdisk_main(int argc, char** argv);
extern int sed_main(int argc, char** argv);
extern int sleep_main(int argc, char** argv);
extern int swap_on_off_main(int argc, char** argv);
extern int sync_main(int argc, char** argv);

22
regexp.c
View File

@ -25,6 +25,28 @@ extern int find_match(char *haystack, char *needle, int ignoreCase)
return( status);
}
/* This performs substitutions after a regexp match has been found.
* The new string is returned. It is malloc'ed, and do must be freed. */
extern char* replace_match(char *haystack, char *needle, char *newNeedle, int ignoreCase)
{
int status;
char* newHaystack;
struct regexp* re;
newHaystack = (char *)malloc((unsigned)(strlen(haystack) -
strlen(needle) + strlen(newNeedle));
re = regcomp( needle);
status = regexec(re, haystack, FALSE, ignoreCase);
return( newHaystack)
}
extern void regsub(regexp* re, char* src, char* dst)
free( re);
return( status);
}
/* code swiped from elvis-tiny 1.4 (a clone of vi) and adjusted to
* suit the needs of busybox by Erik Andersen.

1
regexp.h
View File

@ -43,6 +43,7 @@ extern int regexec(struct regexp* re, char* str, int bol, int ignoreCase);
extern void regsub(struct regexp* re, char* src, char* dst);
extern int find_match(char *haystack, char *needle, int ignoreCase);
extern int replace_match(char *haystack, char *needle, char *newNeedle, int ignoreCase);
#endif

110
sed.c
View File

@ -33,12 +33,10 @@
static const char sed_usage[] =
"sed [-n] [-e script] [file...]\n"
"Allowed scripts come in two forms:\n"
"'/regexp/[gp]'\n"
"\tattempt to match regexp against the pattern space\n"
"Allowed scripts come in the following form:\n\n"
"'s/regexp/replacement/[gp]'\n"
"\tattempt to match regexp against the pattern space\n"
"\tand if successful replaces the matched portion with replacement."
"\tand if successful replaces the matched portion with replacement.\n\n"
"Options:\n"
"-e\tadd the script to the commands to be executed\n"
"-n\tsuppress automatic printing of pattern space\n\n"
@ -49,64 +47,86 @@ static const char sed_usage[] =
#endif
static int replaceFlag = FALSE;
static int noprintFlag = FALSE;
extern int sed_main (int argc, char **argv)
{
FILE *fp;
const char *needle;
const char *name;
const char *cp;
int tellName=TRUE;
char *needle=NULL, *newNeedle=NULL;
char *name;
char *cp;
int ignoreCase=FALSE;
int tellLine=FALSE;
long line;
char haystack[BUF_SIZE];
ignoreCase = FALSE;
tellLine = FALSE;
int foundOne=FALSE;
int noprintFlag=FALSE;
int stopNow;
char *haystack;
argc--;
argv++;
if (argc < 1) {
usage(grep_usage);
usage(sed_usage);
}
if (**argv == '-') {
argc--;
cp = *argv++;
stopNow=FALSE;
while (*++cp)
while (*++cp && stopNow==FALSE)
switch (*cp) {
case 'n':
noprintFlag = TRUE;
break;
case 'e':
if (*(*argv)+1 != '\'' && **argv != '\"') {
if (--argc == 0)
usage( mkdir_usage);
++argv;
if (*(*argv)+1 != '\'' && **argv != '\"') {
usage( mkdir_usage);
if (*(cp+1)==0 && --argc < 0) {
fprintf(stderr, "A\n");
usage( sed_usage);
}
/* Find the specified modes */
mode = 0;
if ( parse_mode(*(++argv), &mode) == FALSE ) {
fprintf(stderr, "Unknown mode: %s\n", *argv);
exit( FALSE);
cp = *argv++;
while( *cp ) {
if (*cp == 's' && strlen(cp) > 3 && *(cp+1) == '/') {
char* pos=needle=cp+2;
for(;;) {
pos = strchr(pos, '/');
if (pos==NULL) {
fprintf(stderr, "B\n");
usage( sed_usage);
}
if (*(pos-1) == '\\') {
pos++;
continue;
}
break;
}
*pos=0;
newNeedle=++pos;
for(;;) {
pos = strchr(pos, '/');
if (pos==NULL) {
fprintf(stderr, "C\n");
usage( sed_usage);
}
if (*(pos-1) == '\\') {
pos++;
continue;
}
break;
}
*pos=0;
}
cp++;
}
fprintf(stderr, "replace '%s' with '%s'\n", needle, newNeedle);
stopNow=TRUE;
break;
default:
usage(grep_usage);
fprintf(stderr, "D\n");
usage(sed_usage);
}
}
needle = *argv++;
argc--;
fprintf(stderr, "argc=%d\n", argc);
while (argc-- > 0) {
name = *argv++;
@ -115,25 +135,19 @@ extern int sed_main (int argc, char **argv)
perror (name);
continue;
}
fprintf(stderr, "filename is '%s'\n", name);
line = 0;
haystack = (char*)malloc( 80);
while (fgets (haystack, sizeof (haystack), fp)) {
line++;
cp = &haystack[strlen (haystack) - 1];
if (*cp != '\n')
fprintf (stderr, "%s: Line too long\n", name);
if (find_match(haystack, needle, ignoreCase) == TRUE) {
if (tellName==TRUE)
printf ("%s: ", name);
if (tellLine==TRUE)
printf ("%ld: ", line);
foundOne = replace_match(haystack, needle, newNeedle, ignoreCase);
if (noprintFlag==TRUE && foundOne==TRUE)
fputs (haystack, stdout);
}
else
fputs (haystack, stdout);
/* Avoid any mem leaks */
free(haystack);
haystack = (char*)malloc( BUF_SIZE);
}
if (ferror (fp))

101
utility.c
View File

@ -686,41 +686,6 @@ my_getgrgid(char* group, gid_t gid)
#if !defined BB_REGEXP && (defined BB_GREP || defined BB_FIND )
/* This tries to find a needle in a haystack, but does so by
* only trying to match literal strings (look 'ma, no regexps!)
* This is short, sweet, and carries _very_ little baggage,
* unlike its beefier cousin a few lines down...
* -Erik Andersen
*/
extern int find_match(char *haystack, char *needle, int ignoreCase)
{
if (ignoreCase == FALSE) {
haystack = strstr (haystack, needle);
if (haystack == NULL)
return FALSE;
return TRUE;
} else {
int i;
char needle1[BUF_SIZE];
char haystack1[BUF_SIZE];
strncpy( haystack1, haystack, sizeof(haystack1));
strncpy( needle1, needle, sizeof(needle1));
for( i=0; i<sizeof(haystack1) && haystack1[i]; i++)
haystack1[i]=tolower( haystack1[i]);
for( i=0; i<sizeof(needle1) && needle1[i]; i++)
needle1[i]=tolower( needle1[i]);
haystack = strstr (haystack1, needle1);
if (haystack == NULL)
return FALSE;
return TRUE;
}
}
#endif
#if (defined BB_CHVT) || (defined BB_DEALLOCVT)
@ -812,5 +777,71 @@ int get_console_fd(char* tty_name)
#endif
#if !defined BB_REGEXP && (defined BB_GREP || defined BB_FIND )
/* This tries to find a needle in a haystack, but does so by
* only trying to match literal strings (look 'ma, no regexps!)
* This is short, sweet, and carries _very_ little baggage,
* unlike its beefier cousin a few lines down...
* -Erik Andersen
*/
extern int find_match(char *haystack, char *needle, int ignoreCase)
{
if (ignoreCase == FALSE) {
haystack = strstr (haystack, needle);
if (haystack == NULL)
return FALSE;
return TRUE;
} else {
int i;
char needle1[BUF_SIZE];
char haystack1[BUF_SIZE];
strncpy( haystack1, haystack, sizeof(haystack1));
strncpy( needle1, needle, sizeof(needle1));
for( i=0; i<sizeof(haystack1) && haystack1[i]; i++)
haystack1[i]=tolower( haystack1[i]);
for( i=0; i<sizeof(needle1) && needle1[i]; i++)
needle1[i]=tolower( needle1[i]);
haystack = strstr (haystack1, needle1);
if (haystack == NULL)
return FALSE;
return TRUE;
}
}
/* This performs substitutions after a regexp match has been found. */
extern int replace_match(char *haystack, char *needle, char *newNeedle, int ignoreCase)
{
int foundOne;
char *where, *slider;
if (ignoreCase == FALSE) {
/*Find needle in haystack */
where = strstr (haystack, needle);
while(where!=NULL) {
foundOne++;
fprintf(stderr, "A match: haystack='%s'\n", haystack);
haystack = (char *)realloc(haystack, (unsigned)(strlen(haystack) -
strlen(needle) + strlen(newNeedle)));
for(slider=haystack;slider!=where;slider++);
*slider=0;
haystack=strcat(haystack, newNeedle);
slider+=1+sizeof(newNeedle);
haystack = strcat(haystack, slider);
where = strstr (where+1, needle);
}
} else {
// FIXME
}
if (foundOne)
return TRUE;
else
return FALSE;
}
#endif
/* END CODE */