* imap_fetch_rfc822(): migrate to strbuf
authorWilfried Göesgens <willi@citadel.org>
Sun, 21 Mar 2010 11:50:22 +0000 (11:50 +0000)
committerWilfried Göesgens <willi@citadel.org>
Sun, 21 Mar 2010 11:50:22 +0000 (11:50 +0000)
citadel/modules/imap/imap_fetch.c
citadel/modules/imap/serv_imap.c
citadel/modules/imap/serv_imap.h

index 8c8cfcf81deeb70479115665cf8be147f3401b5b..ad175f20434e435acf8537c7b1bf7ecd0eefd7fa 100644 (file)
@@ -103,7 +103,7 @@ void imap_fetch_flags(int seq) {
 
 
 void imap_fetch_internaldate(struct CtdlMessage *msg) {
-       char buf[SIZ];
+       char datebuf[64];
        time_t msgdate;
 
        if (!msg) return;
@@ -114,8 +114,8 @@ void imap_fetch_internaldate(struct CtdlMessage *msg) {
                msgdate = time(NULL);
        }
 
-       datestring(buf, sizeof buf, msgdate, DATESTRING_IMAP);
-       cprintf("INTERNALDATE \"%s\"", buf);
+       datestring(datebuf, sizeof datebuf, msgdate, DATESTRING_IMAP);
+       cprintf("INTERNALDATE \"%s\"", datebuf);
 }
 
 
@@ -129,13 +129,13 @@ void imap_fetch_internaldate(struct CtdlMessage *msg) {
  *     "RFC822.TEXT"   body only (without leading blank line)
  */
 void imap_fetch_rfc822(long msgnum, const char *whichfmt) {
-       char buf[SIZ];
        const char *ptr = NULL;
        size_t headers_size, text_size, total_size;
        size_t bytes_to_send = 0;
        struct MetaData smi;
        int need_to_rewrite_metadata = 0;
        int need_body = 0;
+       CitContext *CCC = CC;
 
        /* Determine whether this particular fetch operation requires
         * us to fetch the message body from disk.  If not, we can save
@@ -165,38 +165,37 @@ void imap_fetch_rfc822(long msgnum, const char *whichfmt) {
         * client requests something that involves reading the message
         * body, but we haven't fetched the body yet.
         */
-       if ((IMAP->cached_rfc822_data != NULL)
+       if ((IMAP->cached_rfc822 != NULL)
           && (IMAP->cached_rfc822_msgnum == msgnum)
           && (IMAP->cached_rfc822_withbody || (!need_body)) ) {
                /* Good to go! */
        }
-       else if (IMAP->cached_rfc822_data != NULL) {
+       else if (IMAP->cached_rfc822 != NULL) {
                /* Some other message is cached -- free it */
-               free(IMAP->cached_rfc822_data);
-               IMAP->cached_rfc822_data = NULL;
+               FreeStrBuf(&IMAP->cached_rfc822);
                IMAP->cached_rfc822_msgnum = (-1);
-               IMAP->cached_rfc822_len = 0;
        }
 
        /* At this point, we now can fetch and convert the message iff it's not
         * the one we had cached.
         */
-       if (IMAP->cached_rfc822_data == NULL) {
+       if (IMAP->cached_rfc822 == NULL) {
                /*
                 * Load the message into memory for translation & measurement
                 */
-               CC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
+               CCC->redirect_buffer = NewStrBufPlain(NULL, SIZ);
                CtdlOutputMsg(msgnum, MT_RFC822,
                        (need_body ? HEADERS_ALL : HEADERS_FAST),
                        0, 1, NULL, SUPPRESS_ENV_TO
                );
                if (!need_body) cprintf("\r\n");        /* extra trailing newline */
-               IMAP->cached_rfc822_len = StrLength(CC->redirect_buffer);
-               IMAP->cached_rfc822_data = SmashStrBuf(&CC->redirect_buffer);
+               IMAP->cached_rfc822 = CCC->redirect_buffer;
+               CCC->redirect_buffer = NULL;
                IMAP->cached_rfc822_msgnum = msgnum;
                IMAP->cached_rfc822_withbody = need_body;
-               if ( (need_to_rewrite_metadata) && (IMAP->cached_rfc822_len > 0) ) {
-                       smi.meta_rfc822_length = (long)IMAP->cached_rfc822_len;
+               if ( (need_to_rewrite_metadata) && 
+                    (StrLength(IMAP->cached_rfc822) > 0) ) {
+                       smi.meta_rfc822_length = StrLength(IMAP->cached_rfc822);
                        PutMetaData(&smi);
                }
        }
@@ -210,23 +209,30 @@ void imap_fetch_rfc822(long msgnum, const char *whichfmt) {
        total_size = 0;
 
        if (need_body) {
-               ptr = IMAP->cached_rfc822_data;
+               StrBuf *Line = NewStrBuf();
+               ptr = NULL;
                do {
-                       ptr = memreadline(ptr, buf, sizeof buf);
-                       if (*ptr != 0) {
-                               striplt(buf);
-                               if (IsEmptyStr(buf)) {
-                                       headers_size = ptr - IMAP->cached_rfc822_data;
+                       StrBufSipLine(Line, IMAP->cached_rfc822, &ptr);
+
+                       if ((StrLength(Line) != 0)  && (ptr != StrBufNOTNULL))
+                       {
+                               StrBufTrim(Line);
+                               if ((StrLength(Line) != 0) && 
+                                   (ptr != StrBufNOTNULL)    )
+                               {
+                                       headers_size = ptr - ChrPtr(IMAP->cached_rfc822);
                                }
                        }
-               } while ( (headers_size == 0) && (*ptr != 0) );
+               } while ( (headers_size == 0)    && 
+                         (ptr != StrBufNOTNULL) );
 
-               total_size = IMAP->cached_rfc822_len;
+               total_size = StrLength(IMAP->cached_rfc822);
                text_size = total_size - headers_size;
+               FreeStrBuf(&Line);
        }
        else {
-               headers_size = IMAP->cached_rfc822_len;
-               total_size = IMAP->cached_rfc822_len;
+               headers_size = 
+                       total_size = StrLength(IMAP->cached_rfc822);
                text_size = 0;
        }
 
@@ -242,17 +248,17 @@ void imap_fetch_rfc822(long msgnum, const char *whichfmt) {
        }
 
        else if (!strcasecmp(whichfmt, "RFC822")) {
-               ptr = IMAP->cached_rfc822_data;
+               ptr = ChrPtr(IMAP->cached_rfc822);
                bytes_to_send = total_size;
        }
 
        else if (!strcasecmp(whichfmt, "RFC822.HEADER")) {
-               ptr = IMAP->cached_rfc822_data;
+               ptr = ChrPtr(IMAP->cached_rfc822);
                bytes_to_send = headers_size;
        }
 
        else if (!strcasecmp(whichfmt, "RFC822.TEXT")) {
-               ptr = &IMAP->cached_rfc822_data[headers_size];
+               ptr = &ChrPtr(IMAP->cached_rfc822)[headers_size];
                bytes_to_send = text_size;
        }
 
@@ -274,7 +280,7 @@ void imap_load_part(char *name, char *filename, char *partnum, char *disp,
                    void *content, char *cbtype, char *cbcharset, size_t length, char *encoding,
                    char *cbid, void *cbuserdata)
 {
-       char mbuf2[SIZ];
+       char mimebuf2[SIZ];
        char *desired_section;
 
        desired_section = (char *)cbuserdata;
@@ -283,9 +289,9 @@ void imap_load_part(char *name, char *filename, char *partnum, char *disp,
                client_write(content, length);
        }
 
-       snprintf(mbuf2, sizeof mbuf2, "%s.MIME", partnum);
+       snprintf(mimebuf2, sizeof mimebuf2, "%s.MIME", partnum);
 
-       if (!strcasecmp(desired_section, mbuf2)) {
+       if (!strcasecmp(desired_section, mimebuf2)) {
                cprintf("Content-type: %s", cbtype);
                if (!IsEmptyStr(cbcharset))
                        cprintf("; charset=\"%s\"", cbcharset);
index a78d648a3b9b642d8b15862dae5355551390ddce..461cb1737f4148e4369db4fefeded7ca8dd1302d 100644 (file)
@@ -413,9 +413,8 @@ void imap_cleanup_function(void)
        imap_free_msgids();
        imap_free_transmitted_message();
 
-       if (IMAP->cached_rfc822_data != NULL) {
-               free(IMAP->cached_rfc822_data);
-               IMAP->cached_rfc822_data = NULL;
+       if (IMAP->cached_rfc822 != NULL) {
+               FreeStrBuf(&IMAP->cached_rfc822);
                IMAP->cached_rfc822_msgnum = (-1);
                IMAP->cached_rfc822_withbody = 0;
        }
@@ -505,7 +504,6 @@ void imap_greeting(void)
        CC->session_specific_data = malloc(sizeof(citimap));
        memset(IMAP, 0, sizeof(citimap));
        IMAP->authstate = imap_as_normal;
-       IMAP->cached_rfc822_data = NULL;
        IMAP->cached_rfc822_msgnum = (-1);
        IMAP->cached_rfc822_withbody = 0;
 
index c7e8686e876f8475fa025c1218cf251f4a106620..5d96ea95d77c37ee952025e3b991cb64553443fd 100644 (file)
@@ -30,9 +30,8 @@ typedef struct __citimap {
        citimap_command Cmd;            /* our current commandline */
 
        /* Cache most recent RFC822 FETCH because client might load in pieces */
-       char *cached_rfc822_data;
+       StrBuf *cached_rfc822;
        long cached_rfc822_msgnum;
-       size_t cached_rfc822_len;
        char cached_rfc822_withbody;    /* 1 = body cached; 0 = only headers cached */
 
        /* Cache most recent BODY FETCH because client might load in pieces */