Initial import of code. This is equivalent to the 20080124 tarball in

the Fedora nss package tree.

1 files changed, 162 insertions, 0 deletions

diff --git a/pargs.c b/pargs.c
new file mode 100644
index 0000000..f292a8b
--- /dev/null
+++ b/pargs.c
@@ -0,0 +1,162 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Rob Crittenden (rcritten@redhat.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <string.h>
+#include <nspr.h>
+
+void *pem_Malloc(const PRInt32 sz)
+{
+    return PR_Malloc(sz);
+}
+
+char *pem_StrNdup(const char *instr, PRInt32 inlen)
+{
+    if (!instr) {
+        return NULL;
+    }
+
+    size_t len = inlen;
+    if (!len) {
+        return NULL;
+    }
+    char *buffer = (char *) pem_Malloc(len + 1);
+    if (!buffer) {
+        return NULL;
+    }
+    memcpy(buffer, instr, len);
+    buffer[len] = 0; /* NULL termination */
+    return buffer;
+}
+
+char *pem_Strdup(const char *instr)
+{
+    if (!instr) {
+        return NULL;
+    }
+
+    size_t len = strlen(instr);
+    return pem_StrNdup(instr, len);
+}
+
+void pem_Free(char *instr)
+{
+    if (!instr) {
+        PR_ASSERT(0);
+    }
+    PR_Free(instr);
+}
+
+void
+addString(char ***returnedstrings, char *newstring, PRInt32 stringcount)
+{
+    char **stringarray = NULL;
+    if (!returnedstrings || !newstring) {
+        return;
+    }
+    if (!stringcount) {
+        /* first string to be added, allocate buffer */
+        *returnedstrings =
+            (char **) PR_Malloc(sizeof(char *) * (stringcount + 1));
+        stringarray = *returnedstrings;
+    } else {
+        stringarray = (char **) PR_Realloc(*returnedstrings,
+                                           sizeof(char *) * (stringcount + 1));
+        if (stringarray) {
+            *returnedstrings = stringarray;
+        }
+    }
+    if (stringarray) {
+        stringarray[stringcount] = newstring;
+    }
+}
+
+PRBool
+pem_ParseString(const char *inputstring, const char delimiter,
+                PRInt32 * numStrings, char ***returnedstrings)
+{
+    if (!inputstring || !delimiter || !numStrings || !returnedstrings) {
+        /* we need a string and a non-zero delimiter, as well as
+         * a valid place to return the strings and count
+         */
+        return PR_FALSE;
+    }
+    char nextchar;
+    char *instring = (char *) inputstring;
+    *numStrings = 0;
+    *returnedstrings = NULL;
+
+    while ((nextchar = *instring)) {
+        unsigned long len = 0;
+        char *next = (char *) strchr(instring, delimiter);
+        if (next) {
+            /* current string string */
+            len = next - instring;
+        } else {
+            /* last string length */
+            len = strlen(instring);
+        }
+
+        if (len > 0) {
+            char *newstring = pem_StrNdup(instring, len);
+
+            addString(returnedstrings, newstring, (*numStrings)++);
+
+            instring += len;
+        }
+
+        if (delimiter == *instring) {
+            instring++; /* skip past next delimiter */
+        }
+    }
+    return PR_TRUE;
+}
+
+PRBool pem_FreeParsedStrings(PRInt32 numStrings, char **instrings)
+{
+    if (!numStrings || !instrings) {
+        return PR_FALSE;
+    }
+    PRInt32 counter;
+    for (counter = 0; counter < numStrings; counter++) {
+        char *astring = instrings[counter];
+        if (astring) {
+            pem_Free(astring);
+        }
+    }
+    PR_Free((void *) instrings);
+    return PR_TRUE;
+}