imx: hab: Check if CSF contains deprecated commands

[people/ms/u-boot.git] / lib / hashtable.c

diff --git a/lib/hashtable.c b/lib/hashtable.c
index 4cdbc95329c0d9d5892d81eed39254fc13796f2a..f08847758a091da8d9960ff94ec830fbcfa502ce 100644 (file)
--- a/lib/hashtable.c
+++ b/lib/hashtable.c
@@ -10,20 +10,7 @@
  * 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>
@@ -490,11 +477,11 @@ int hdelete_r(const char *key, struct hsearch_data *htab, int flag)
        return 1;
 }
 
+#if !(defined(CONFIG_SPL_BUILD) && !defined(CONFIG_SPL_SAVEENV))
 /*
  * hexport()
  */
 
-#ifndef CONFIG_SPL_BUILD
 /*
  * Export the data stored in the hash table in linearized form.
  *
@@ -512,7 +499,7 @@ int hdelete_r(const char *key, struct hsearch_data *htab, int flag)
  *
  * If the separator character is different from NUL, then any
  * separator characters and backslash characters in the values will
- * be escaped by a preceeding backslash in output. This is needed for
+ * be escaped by a preceding backslash in output. This is needed for
  * example to enable multi-line values, especially when the output
  * shall later be parsed (for example, for re-import).
  *
@@ -577,7 +564,7 @@ static int match_entry(ENTRY *ep, int flag,
        int arg;
        void *priv = NULL;
 
-       for (arg = 1; arg < argc; ++arg) {
+       for (arg = 0; arg < argc; ++arg) {
 #ifdef CONFIG_REGEX
                struct slre slre;
 
@@ -615,8 +602,8 @@ ssize_t hexport_r(struct hsearch_data *htab, const char sep, int flag,
                return (-1);
        }
 
-       debug("EXPORT  table = %p, htab.size = %d, htab.filled = %d, "
-               "size = %zu\n", htab, htab->size, htab->filled, size);
+       debug("EXPORT  table = %p, htab.size = %d, htab.filled = %d, size = %lu\n",
+             htab, htab->size, htab->filled, (ulong)size);
        /*
         * Pass 1:
         * search used entries,
@@ -670,8 +657,8 @@ ssize_t hexport_r(struct hsearch_data *htab, const char sep, int flag,
        /* Check if the user supplied buffer size is sufficient */
        if (size) {
                if (size < totlen + 1) {        /* provided buffer too small */
-                       printf("Env export buffer too small: %zu, "
-                               "but need %zu\n", size, totlen + 1);
+                       printf("Env export buffer too small: %lu, but need %lu\n",
+                              (ulong)size, (ulong)totlen + 1);
                        __set_errno(ENOMEM);
                        return (-1);
                }
@@ -789,7 +776,7 @@ static int drop_var_from_set(const char *name, int nvars, char * vars[])
 
 int himport_r(struct hsearch_data *htab,
                const char *env, size_t size, const char sep, int flag,
-               int nvars, char * const vars[])
+               int crlf_is_lf, int nvars, char * const vars[])
 {
        char *data, *sp, *dp, *name, *value;
        char *localvars[nvars];
@@ -802,12 +789,13 @@ int himport_r(struct hsearch_data *htab,
        }
 
        /* we allocate new space to make sure we can write to the array */
-       if ((data = malloc(size)) == NULL) {
-               debug("himport_r: can't malloc %zu bytes\n", size);
+       if ((data = malloc(size + 1)) == NULL) {
+               debug("himport_r: can't malloc %lu bytes\n", (ulong)size + 1);
                __set_errno(ENOMEM);
                return 0;
        }
        memcpy(data, env, size);
+       data[size] = '\0';
        dp = data;
 
        /* make a local copy of the list of variables */
@@ -830,11 +818,11 @@ int himport_r(struct hsearch_data *htab,
         * 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
-        * envrionment size), so we clip it to a reasonable value.
+        * environment size), so we clip it to a reasonable value.
         * On the other hand we need to add some more entries for free
         * space when importing very small buffers. Both boundaries can
         * be overwritten in the board config file if needed.
@@ -854,6 +842,23 @@ int himport_r(struct hsearch_data *htab,
                }
        }
 
+       if (!size) {
+               free(data);
+               return 1;               /* everything OK */
+       }
+       if(crlf_is_lf) {
+               /* Remove Carriage Returns in front of Line Feeds */
+               unsigned ignored_crs = 0;
+               for(;dp < data + size && *dp; ++dp) {
+                       if(*dp == '\r' &&
+                          dp < data + size - 1 && *(dp+1) == '\n')
+                               ++ignored_crs;
+                       else
+                               *(dp-ignored_crs) = *dp;
+               }
+               size -= ignored_crs;
+               dp = data;
+       }
        /* Parse environment; allow for '\0' and 'sep' as separators */
        do {
                ENTRY e, *rv;
@@ -904,6 +909,7 @@ int himport_r(struct hsearch_data *htab,
                if (*name == 0) {
                        debug("INSERT: unable to use an empty key\n");
                        __set_errno(EINVAL);
+                       free(data);
                        return 0;
                }