patch-2.2.0-pre5 linux/scripts/ksymoops-0.6/re.c

• Lines: 146
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.2.0-pre4/linux/scripts/ksymoops-0.6/re.c
• Orig date: Mon Jan 4 15:08:18 1999

diff -u --recursive --new-file v2.2.0-pre4/linux/scripts/ksymoops-0.6/re.c linux/scripts/ksymoops-0.6/re.c
@@ -1,145 +0,0 @@
-/*
-	re.c.
-
-	Regular expression processing for ksymoops.
-
-	Copyright Keith Owens <kaos@ocs.com.au>.
-	Released under the GNU Public Licence, Version 2.
-
-	Tue Nov  3 02:31:01 EST 1998
-	Version 0.6
-	PPC trace addresses are not bracketed, add new re.
-
-	Wed Oct 28 13:47:23 EST 1998
-	Version 0.4
-	Split into separate sources.
- */
-
-#include "ksymoops.h"
-#include <malloc.h>
-#include <string.h>
-
-/* Compile a regular expression */
-void re_compile(regex_t *preg, const char *regex, int cflags,
-		regmatch_t **pmatch)
-{
-	int i, l;
-	char *p;
-	static char const procname[] = "re_compile";
-
-	if (preg->re_nsub)
-		return;		/* already compiled */
-
-	if (debug)
-		fprintf(stderr, "DEBUG: %s '%s'", procname, regex);
-	if ((i = regcomp(preg, regex, cflags))) {
-		l = regerror(i, preg, NULL, 0);
-		++l;	/* doc is ambiguous, be safe */
-		p = malloc(l);
-		if (!p)
-			malloc_error("regerror text");
-		regerror(i, preg, p, l);
-		fprintf(stderr,
-			"%s: fatal %s error on '%s' - %s\n",
-			prefix, procname, regex, p);
-		exit(2);
-	}
-	if (debug)
-		fprintf(stderr, " %d sub expression(s)\n", preg->re_nsub);
-	/* [0] is entire match, [1] is first substring */
-	*pmatch = malloc((preg->re_nsub+1)*sizeof(**pmatch));
-	if (!*pmatch)
-		malloc_error("pmatch");
-
-}
-
-/* Compile common regular expressions */
-void re_compile_common(void)
-{
-
-	/* nm: address, type, symbol */
-	re_compile(&re_nm,
-		"^([0-9a-fA-F]{4,}) +([^ ]) +([^ ]+)$",
-		REG_NEWLINE|REG_EXTENDED,
-		&re_nm_pmatch);
-
-	/* bracketed address preceded by optional white space */
-	re_compile(&re_bracketed_address,
-		"^[ \t]*" BRACKETED_ADDRESS,
-		REG_NEWLINE|REG_EXTENDED,
-		&re_bracketed_address_pmatch);
-
-	/* unbracketed address preceded by optional white space */
-	re_compile(&re_unbracketed_address,
-		"^[ \t*]*" UNBRACKETED_ADDRESS,
-		REG_NEWLINE|REG_EXTENDED,
-		&re_unbracketed_address_pmatch);
-
-}
-
-/* Split text into the matching re substrings - Perl is so much easier :).
- * Each element of *string is set to a malloced copy of the substring or
- * NULL if the substring did not match (undef).  A zero length substring match
- * is represented by a zero length **string.
- */
-void re_strings(regex_t *preg, const char *text, regmatch_t *pmatch,
-		char ***string)
-{
-	int i;
-	if (!*string) {
-		*string = malloc((preg->re_nsub+1)*sizeof(**string));
-		if (!*string)
-			malloc_error("re_strings base");
-		for (i = 0; i < preg->re_nsub+1; ++i)
-			(*string)[i] = NULL;
-	}
-	for (i = 0; i < preg->re_nsub+1; ++i) {
-		if (debug > 4)
-			fprintf(stderr,
-				"DEBUG: re_string %d offsets %d %d",
-				i, pmatch[i].rm_so, pmatch[i].rm_eo);
-		if (pmatch[i].rm_so == -1) {
-			/* no match for this sub expression */
-			free((*string)[i]);
-			(*string)[i] = NULL;
-			if (debug > 4)
-				fprintf(stderr, " (undef)\n");
-		}
-		else {
-			int l = pmatch[i].rm_eo - pmatch[i].rm_so + 1;
-			char *p;
-			p = malloc(l);
-			if (!p)
-				malloc_error("re_strings");
-			strncpy(p, text+pmatch[i].rm_so, l-1);
-			*(p+l-1) = '\0';
-			(*string)[i] = p;
-			if (debug > 4)
-				fprintf(stderr, " '%s'\n", p);
-		}
-	}
-}
-
-/* Free the matching re substrings */
-void re_strings_free(const regex_t *preg, char ***string)
-{
-	if (*string) {
-		int i;
-		for (i = 0; i < preg->re_nsub+1; ++i)
-			free((*string)[i]);
-		free(*string);
-		*string = NULL;
-	}
-}
-
-/* Check that there are enough strings for an re */
-void re_string_check(int need, int available, const char *msg)
-{
-	if (need > available) {
-		fprintf(stderr,
-			"%s: fatal not enough re_strings in %s.  "
-			"Need %d, available %d\n",
-			prefix, msg, need, available);
-		exit(2);
-	}
-}