* This file is part of the GNU C Library.
* Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1993.
*
- * The GNU C Library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * The GNU C Library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with the GNU C Library; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307 USA.
+ * SPDX-License-Identifier: LGPL-2.1+
*/
#include <errno.h>
#include <env_callback.h>
#include <env_flags.h>
#include <search.h>
+#include <slre.h>
/*
* [Aho,Sethi,Ullman] Compilers: Principles, Techniques and Tools, 1986
return (strcmp(e1->key, e2->key));
}
-static int match_string(int flag, const char *str, const char *pat)
+static int match_string(int flag, const char *str, const char *pat, void *priv)
{
switch (flag & H_MATCH_METHOD) {
case H_MATCH_IDENT:
if (strstr(str, pat))
return 1;
break;
+#ifdef CONFIG_REGEX
+ case H_MATCH_REGEX:
+ {
+ struct slre *slrep = (struct slre *)priv;
+ struct cap caps[slrep->num_caps + 2];
+
+ if (slre_match(slrep, str, strlen(str), caps))
+ return 1;
+ }
+ break;
+#endif
default:
printf("## ERROR: unsupported match method: 0x%02x\n",
flag & H_MATCH_METHOD);
int argc, char * const argv[])
{
int arg;
+ void *priv = NULL;
for (arg = 1; arg < argc; ++arg) {
+#ifdef CONFIG_REGEX
+ struct slre slre;
+
+ if (slre_compile(&slre, argv[arg]) == 0) {
+ printf("Error compiling regex: %s\n", slre.err_str);
+ return 0;
+ }
+
+ priv = (void *)&slre;
+#endif
if (flag & H_MATCH_KEY) {
- if (match_string(flag, ep->key, argv[arg]))
+ if (match_string(flag, ep->key, argv[arg], priv))
return 1;
}
if (flag & H_MATCH_DATA) {
- if (match_string(flag, ep->data, argv[arg]))
+ if (match_string(flag, ep->data, argv[arg], priv))
return 1;
}
}
* size of 8 per entry (= safety factor of ~5) should provide enough
* safety margin for any existing environment definitions and still
* allow for more than enough dynamic additions. Note that the
- * "size" argument is supposed to give the maximum enviroment size
+ * "size" argument is supposed to give the maximum environment size
* (CONFIG_ENV_SIZE). This heuristics will result in
* unreasonably large numbers (and thus memory footprint) for
* big flash environments (>8,000 entries for 64 KB
*sp++ = '\0'; /* terminate value */
++dp;
+ if (*name == 0) {
+ debug("INSERT: unable to use an empty key\n");
+ __set_errno(EINVAL);
+ return 0;
+ }
+
/* Skip variables which are not supposed to be processed */
if (!drop_var_from_set(name, nvars, localvars))
continue;