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Removed dead regular expression code.

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This commit is contained in:
Matt Kraai 2000-08-28 03:12:30 +00:00
parent 88cc3057fd
commit ab60f6987a
2 changed files with 0 additions and 86 deletions
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10
busybox.def.h
View File

@ -139,12 +139,6 @@
// at the same time...
#define BB_FEATURE_USE_PROCFS
//
// Enable full regular expressions. This adds about
// 4k. When this is off, things that would normally
// use regualr expressions (like grep) will just use
// normal strings.
#define BB_FEATURE_FULL_REGULAR_EXPRESSIONS
//
// This compiles out everything but the most
// trivial --help usage information (i.e. reduces binary size)
//#define BB_FEATURE_TRIVIAL_HELP
@ -281,10 +275,6 @@
#define BB_MTAB
#endif
//
#if defined BB_FEATURE_FULL_REGULAR_EXPRESSIONS && (defined BB_SED || defined BB_GREP )
#define BB_REGEXP
#endif
//
#if defined BB_FEATURE_SH_COMMAND_EDITING && defined BB_SH
#define BB_CMDEDIT
#endif

76
utility.c
View File

@ -1033,82 +1033,6 @@ int get_console_fd(char *tty_name)
#endif /* BB_CHVT || BB_DEALLOCVT || BB_SETKEYCODES */
#if !defined BB_REGEXP && (defined BB_GREP || 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 in regexp.c
* -Erik Andersen
*/
extern int find_match(char *haystack, char *needle, int ignoreCase)
{
if (ignoreCase == FALSE)
haystack = strstr(haystack, needle);
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 *) xmalloc((unsigned) (strlen(haystack)));
while (where != NULL) {
foundOne++;
strcpy(oldhayStack, haystack);
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 /* ! BB_REGEXP && (BB_GREP || BB_SED) */
#if defined BB_FIND || defined BB_INSMOD
/*
* Routine to see if a text string is matched by a wildcard pattern.