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-rw-r--r--applets/busybox.c3
-rw-r--r--busybox.c3
-rw-r--r--busybox.def.h1
-rw-r--r--editors/sed.c110
-rw-r--r--init.c18
-rw-r--r--init/init.c18
-rw-r--r--internal.h1
-rw-r--r--regexp.c22
-rw-r--r--regexp.h1
-rw-r--r--sed.c110
-rw-r--r--utility.c101
11 files changed, 229 insertions, 159 deletions
diff --git a/applets/busybox.c b/applets/busybox.c
index 05144c472..29a112b12 100644
--- a/applets/busybox.c
+++ b/applets/busybox.c
@@ -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
diff --git a/busybox.c b/busybox.c
index 05144c472..29a112b12 100644
--- a/busybox.c
+++ b/busybox.c
@@ -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
diff --git a/busybox.def.h b/busybox.def.h
index a79eaaf4f..b71c53923 100644
--- a/busybox.def.h
+++ b/busybox.def.h
@@ -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
diff --git a/editors/sed.c b/editors/sed.c
index 4dd552a2d..a3e635d3a 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -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))
diff --git a/init.c b/init.c
index d950e2bef..b8cbbf64e 100644
--- a/init.c
+++ b/init.c
@@ -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) {
diff --git a/init/init.c b/init/init.c
index d950e2bef..b8cbbf64e 100644
--- a/init/init.c
+++ b/init/init.c
@@ -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) {
diff --git a/internal.h b/internal.h
index 35f990aa7..81271be94 100644
--- a/internal.h
+++ b/internal.h
@@ -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);
diff --git a/regexp.c b/regexp.c
index 6017d79b4..deee238ec 100644
--- a/regexp.c
+++ b/regexp.c
@@ -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.
diff --git a/regexp.h b/regexp.h
index 1e324e155..e8880fb4f 100644
--- a/regexp.h
+++ b/regexp.h
@@ -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
diff --git a/sed.c b/sed.c
index 4dd552a2d..a3e635d3a 100644
--- a/sed.c
+++ b/sed.c
@@ -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))
diff --git a/utility.c b/utility.c
index 6491d834d..41e7ccc14 100644
--- a/utility.c
+++ b/utility.c
@@ -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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 14:45:58 +0000