/* volatile so gcc knows this is the enod of the line */
volatile void usage(const char *usage)
{
+ fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n", BB_VER, BB_BT);
fprintf(stderr, "Usage: %s\n", usage);
exit(FALSE);
}
file = fopen(filename,"r");
if (file == NULL) {
- perror(filename);
+ /* bummer, /proc must not be mounted... */
return( 0);
}
fscanf(file,"%d.%d.%d",&major,&minor,&patch);
groups |= S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
break;
default:
- if ( isdigit(c) && c >= '0' && c <= '7' && mode == 0 && groups == 0 ) {
- andMode = 0;
- orMode = strtol(--s, NULL, 8);
- *theMode &= andMode;
- *theMode |= orMode;
+ if ( isdigit(c) && c >= '0' && c <= '7' &&
+ mode == 0 && groups == 0 ) {
+ *theMode = strtol(--s, NULL, 8);
return (TRUE);
}
else
-#if !defined BB_REGEXP && (defined BB_GREP || defined BB_FIND )
+
+#if (defined BB_CHVT) || (defined BB_DEALLOCVT)
+
+
+#include <linux/kd.h>
+#include <sys/ioctl.h>
+
+int is_a_console(int fd)
+{
+ char arg;
+
+ arg = 0;
+ return (ioctl(fd, KDGKBTYPE, &arg) == 0
+ && ((arg == KB_101) || (arg == KB_84)));
+}
+
+static int open_a_console(char *fnam)
+{
+ int fd;
+
+ /* try read-only */
+ fd = open(fnam, O_RDWR);
+
+ /* if failed, try read-only */
+ if (fd < 0 && errno == EACCES)
+ fd = open(fnam, O_RDONLY);
+
+ /* if failed, try write-only */
+ if (fd < 0 && errno == EACCES)
+ fd = open(fnam, O_WRONLY);
+
+ /* if failed, fail */
+ if (fd < 0)
+ return -1;
+
+ /* if not a console, fail */
+ if (! is_a_console(fd))
+ {
+ close(fd);
+ return -1;
+ }
+
+ /* success */
+ return fd;
+}
+
+/*
+ * Get an fd for use with kbd/console ioctls.
+ * We try several things because opening /dev/console will fail
+ * if someone else used X (which does a chown on /dev/console).
+ *
+ * if tty_name is non-NULL, try this one instead.
+ */
+
+int get_console_fd(char* tty_name)
+{
+ int fd;
+
+ if (tty_name)
+ {
+ if (-1 == (fd = open_a_console(tty_name)))
+ return -1;
+ else
+ return fd;
+ }
+
+ fd = open_a_console("/dev/tty");
+ if (fd >= 0)
+ return fd;
+
+ fd = open_a_console("/dev/tty0");
+ if (fd >= 0)
+ return fd;
+
+ fd = open_a_console("/dev/console");
+ if (fd >= 0)
+ return fd;
+
+ for (fd = 0; fd < 3; fd++)
+ if (is_a_console(fd))
+ return fd;
+
+ fprintf(stderr,
+ "Couldnt get a file descriptor referring to the console\n");
+ return -1; /* total failure */
+}
+
+
+#endif
+
+
+#if !defined BB_REGEXP && (defined BB_GREP || defined BB_FIND || defined BB_SED)
+
+/* Do a case insensitive strstr() */
+char* stristr(char *haystack, const char *needle)
+{
+ int len = strlen( needle );
+ while( *haystack ) {
+ if( !strncasecmp( haystack, needle, len ) )
+ break;
+ haystack++;
+ }
+
+ if( !(*haystack) )
+ haystack = NULL;
+
+ return haystack;
+}
+
/* 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...
+ * unlike its beefier cousin in regexp.c
* -Erik Andersen
*/
extern int find_match(char *haystack, char *needle, int ignoreCase)
{
- if (ignoreCase == FALSE) {
+ 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;
- }
+ else
+ haystack = stristr (haystack, needle);
+ if (haystack == NULL)
+ return FALSE;
+ return TRUE;
}
+
+
+/* This performs substitutions after a string match has been found. */
+extern int replace_match(char *haystack, char *needle, char *newNeedle, int ignoreCase)
+{
+ int foundOne=0;
+ char *where, *slider, *slider1, *oldhayStack;
+
+ if (ignoreCase == FALSE)
+ where = strstr (haystack, needle);
+ else
+ where = stristr (haystack, needle);
+
+ if (strcmp(needle, newNeedle)==0)
+ return FALSE;
+
+ oldhayStack = (char*)malloc((unsigned)(strlen(haystack)));
+ while(where!=NULL) {
+ foundOne++;
+ strcpy(oldhayStack, haystack);
+#if 0
+ if ( strlen(newNeedle) > strlen(needle)) {
+ haystack = (char *)realloc(haystack, (unsigned)(strlen(haystack) -
+ strlen(needle) + strlen(newNeedle)));
+ }
#endif
+ for(slider=haystack,slider1=oldhayStack;slider!=where;slider++,slider1++);
+ *slider=0;
+ haystack=strcat(haystack, newNeedle);
+ slider1+=strlen(needle);
+ haystack = strcat(haystack, slider1);
+ where = strstr (slider, needle);
+ }
+ free( oldhayStack);
+ if (foundOne > 0)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+
+#endif
/* END CODE */
projects / oweals / busybox.git / blobdiff