- Add new function for demo printing hashes

[citadel.git] / libcitadel / lib / vcard.c

diff --git a/libcitadel/lib/vcard.c b/libcitadel/lib/vcard.c
index f0afd47060614acd9d58dcef65f78d5b44aa4bee..f12a4efb599642dd7a2931de9e0c58fce25869fb 100644 (file)
--- a/libcitadel/lib/vcard.c
+++ b/libcitadel/lib/vcard.c
@@ -1,11 +1,21 @@
 /*
- * $Id: vcard.c 5754 2007-11-16 05:52:26Z ajc $
- *
  * vCard implementation for Citadel
  *
- * Copyright (C) 1999-2007 by Art Cancro
- * This code is freely redistributable under the terms of the GNU General
- * Public License.  All other rights reserved.
+ * Copyright (C) 1999-2008 by the citadel.org development team.
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 
@@ -34,7 +44,7 @@
 #include <libcitadel.h>
 
 
-/** 
+/* 
  * Constructor (empty vCard)
  * Returns an empty vcard
  */
@@ -51,7 +61,7 @@ struct vCard *vcard_new() {
        return v;
 }
 
-/**
+/*
  * Remove the "charset=" attribute from a vCard property name
  *
  */
@@ -83,7 +93,7 @@ void remove_charset_attribute(char *strbuf)
  * propname    name of new property
  * propvalue   value of new property
  */
-void vcard_add_prop(struct vCard *v, char *propname, char *propvalue) {
+void vcard_add_prop(struct vCard *v, const char *propname, const char *propvalue) {
        ++v->numprops;
        v->prop = realloc(v->prop,
                (v->numprops * sizeof(struct vCardProp)) );
@@ -91,9 +101,14 @@ void vcard_add_prop(struct vCard *v, char *propname, char *propvalue) {
        v->prop[v->numprops-1].value = strdup(propvalue);
 }
 
+/*
+ * Constructor - returns a new struct vcard given a serialized vcard
+ */
+struct vCard *VCardLoad(StrBuf *vbtext) {
+       return vcard_load((char*)ChrPtr(vbtext));
+}
 
-
-/**
+/*
  * Constructor - returns a new struct vcard given a serialized vcard
  */
 struct vCard *vcard_load(char *vtext) {
@@ -108,7 +123,7 @@ struct vCard *vcard_load(char *vtext) {
        mycopy = strdup(vtext);
        if (mycopy == NULL) return NULL;
 
-       /**
+       /*
         * First, fix this big pile o' vCard to make it more parseable.
         * To make it easier to parse, we convert CRLF to LF, and unfold any
         * multi-line fields into single lines.
@@ -123,22 +138,24 @@ struct vCard *vcard_load(char *vtext) {
        }
 
        v = vcard_new();
-       if (v == NULL) return v;
+       if (v == NULL)
+       {
+               free(mycopy);
+               return v;
+       }
 
        ptr = mycopy;
        while (!IsEmptyStr(ptr)) {
-               colonpos = (-1);
-               nlpos = (-1);
                colonpos = pattern2(ptr, ":");
                nlpos = pattern2(ptr, "\n");
 
                if ((nlpos > colonpos) && (colonpos > 0)) {
                        namebuf = malloc(colonpos + 1);
                        valuebuf = malloc(nlpos - colonpos + 1);
-                       strncpy(namebuf, ptr, colonpos);
-                       namebuf[colonpos] = 0;
-                       strncpy(valuebuf, &ptr[colonpos+1], nlpos-colonpos-1);
-                       valuebuf[nlpos-colonpos-1] = 0;
+                       memcpy(namebuf, ptr, colonpos);
+                       namebuf[colonpos] = '\0';
+                       memcpy(valuebuf, &ptr[colonpos+1], nlpos-colonpos-1);
+                       valuebuf[nlpos-colonpos-1] = '\0';
 
                        if (!strcasecmp(namebuf, "end")) {
                                valid = 0;
@@ -176,7 +193,7 @@ struct vCard *vcard_load(char *vtext) {
 }
 
 
-/**
+/*
  * Fetch the value of a particular key.
  * If is_partial is set to 1, a partial match is ok (for example,
  * a key of "tel;home" will satisfy a search for "tel").
@@ -255,7 +272,7 @@ void vcard_set_prop(struct vCard *v, char *name, char *value, int append) {
 
        if (v->magic != CTDL_VCARD_MAGIC) return;       /* Self-check */
 
-       /** If this key is already present, replace it */
+       /* If this key is already present, replace it */
        if (!append) if (v->numprops) for (i=0; i<(v->numprops); ++i) {
                if (!strcasecmp(v->prop[i].name, name)) {
                        free(v->prop[i].name);
@@ -287,9 +304,13 @@ char *vcard_serialize(struct vCard *v)
        size_t len;
        int is_utf8 = 0;
 
+       if (v == NULL) return NULL;                     /* self check */
        if (v->magic != CTDL_VCARD_MAGIC) return NULL;  /* self check */
 
-       /** Figure out how big a buffer we need to allocate */
+       /* Set the vCard version number to 2.1 at this time. */
+       vcard_set_prop(v, "VERSION", "2.1", 0);
+
+       /* Figure out how big a buffer we need to allocate */
        len = 64;       /* for begin, end, and a little padding for safety */
        if (v->numprops) for (i=0; i<(v->numprops); ++i) {
                len = len +