-
/*
* folder_read.c -- initialize folder structure and read folder
*
- * $Id$
- *
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
+#include <h/utils.h>
/* We allocate the `mi' array 1024 elements at a time */
-#define NUMMSGS 1024
+#define NUMMSGS 1024
/*
* 1) Create the folder/message structure
struct msgs *
folder_read (char *name)
{
- int msgnum, prefix_len, len, *mi;
- struct msgs *mp;
- struct stat st;
- struct dirent *dp;
- DIR *dd;
-
- name = m_mailpath (name);
- if (!(dd = opendir (name))) {
- free (name);
- return NULL;
- }
-
- if (stat (name, &st) == -1) {
- free (name);
- return NULL;
- }
-
- /* Allocate the main structure for folder information */
- if (!(mp = (struct msgs *) malloc ((size_t) sizeof(*mp))))
- adios (NULL, "unable to allocate folder storage");
-
- clear_folder_flags (mp);
- mp->foldpath = name;
- mp->lowmsg = 0;
- mp->hghmsg = 0;
- mp->curmsg = 0;
- mp->lowsel = 0;
- mp->hghsel = 0;
- mp->numsel = 0;
- mp->nummsg = 0;
-
- if (access (name, W_OK) == -1 || st.st_uid != getuid())
- set_readonly (mp);
- prefix_len = strlen(BACKUP_PREFIX);
-
- /*
- * Allocate a temporary place to record the
- * name of the messages in this folder.
- */
- len = NUMMSGS;
- if (!(mi = (int *) malloc ((size_t) (len * sizeof(*mi)))))
- adios (NULL, "unable to allocate storage");
-
- while ((dp = readdir (dd))) {
- if ((msgnum = m_atoi (dp->d_name)) && msgnum > 0) {
- /*
- * Check if we need to allocate more
- * temporary elements for message names.
- */
- if (mp->nummsg >= len) {
- len += NUMMSGS;
- if (!(mi = (int *) realloc (mi,
- (size_t) (len * sizeof(*mi))))) {
- adios (NULL, "unable to allocate storage");
- }
- }
-
- /* Check if this is the first message we've seen */
- if (mp->nummsg == 0) {
- mp->lowmsg = msgnum;
- mp->hghmsg = msgnum;
- } else {
- /* Check if this is it the highest or lowest we've seen? */
- if (msgnum < mp->lowmsg)
- mp->lowmsg = msgnum;
- if (msgnum > mp->hghmsg)
- mp->hghmsg = msgnum;
- }
-
- /*
- * Now increment count, and record message
- * number in a temporary place for now.
- */
- mi[mp->nummsg++] = msgnum;
-
- } else {
- switch (dp->d_name[0]) {
- case '.':
- case ',':
+ int msgnum, prefix_len, len, *mi;
+ struct msgs *mp;
+ struct stat st;
+ struct dirent *dp;
+ DIR *dd;
+
+ name = m_mailpath (name);
+ if (!(dd = opendir (name))) {
+ free (name);
+ return NULL;
+ }
+
+ if (stat (name, &st) == -1) {
+ free (name);
+ return NULL;
+ }
+
+ /* Allocate the main structure for folder information */
+ mp = (struct msgs *) mh_xmalloc ((size_t) sizeof(*mp));
+
+ clear_folder_flags (mp);
+ mp->foldpath = name;
+ mp->lowmsg = 0;
+ mp->hghmsg = 0;
+ mp->curmsg = 0;
+ mp->lowsel = 0;
+ mp->hghsel = 0;
+ mp->numsel = 0;
+ mp->nummsg = 0;
+
+ if (access (name, W_OK) == -1)
+ set_readonly (mp);
+ prefix_len = strlen(backup_prefix);
+
+ /*
+ * Allocate a temporary place to record the
+ * name of the messages in this folder.
+ */
+ len = NUMMSGS;
+ mi = (int *) mh_xmalloc ((size_t) (len * sizeof(*mi)));
+
+ while ((dp = readdir (dd))) {
+ if ((msgnum = m_atoi (dp->d_name)) && msgnum > 0) {
+ /*
+ * Check if we need to allocate more
+ * temporary elements for message names.
+ */
+ if (mp->nummsg >= len) {
+ len += NUMMSGS;
+ mi = (int *) mh_xrealloc (mi, (size_t) (len * sizeof(*mi)));
+ }
+
+ /* Check if this is the first message we've seen */
+ if (mp->nummsg == 0) {
+ mp->lowmsg = msgnum;
+ mp->hghmsg = msgnum;
+ } else {
+ /* Check if this is it the highest or lowest we've seen? */
+ if (msgnum < mp->lowmsg)
+ mp->lowmsg = msgnum;
+ if (msgnum > mp->hghmsg)
+ mp->hghmsg = msgnum;
+ }
+
+ /*
+ * Now increment count, and record message
+ * number in a temporary place for now.
+ */
+ mi[mp->nummsg++] = msgnum;
+
+ } else {
+ switch (dp->d_name[0]) {
+ case '.':
+ case ',':
#ifdef MHE
- case '+':
+ case '+':
#endif /* MHE */
- continue;
+ continue;
- default:
- /* skip any files beginning with backup prefix */
- if (!strncmp (dp->d_name, BACKUP_PREFIX, prefix_len))
- continue;
+ default:
+ /* skip any files beginning with backup prefix */
+ if (!strncmp (dp->d_name, backup_prefix, prefix_len))
+ continue;
- /* skip the LINK file */
- if (!strcmp (dp->d_name, LINK))
- continue;
+ /* skip the altmsg link file */
+ if (!strcmp (dp->d_name, altmsglink))
+ continue;
- /* indicate that there are other files in folder */
- set_other_files (mp);
- continue;
- }
+ /* indicate that there are other files in folder */
+ set_other_files (mp);
+ continue;
+ }
+ }
}
- }
-
- closedir (dd);
- mp->lowoff = max (mp->lowmsg, 1);
-
- /* Go ahead and allocate space for 100 additional messages. */
- mp->hghoff = mp->hghmsg + 100;
-
- /* for testing, allocate minimal necessary space */
- /* mp->hghoff = max (mp->hghmsg, 1); */
-
- /*
- * Allocate space for status of each message.
- */
- if (!(mp->msgstats = malloc (MSGSTATSIZE(mp, mp->lowoff, mp->hghoff))))
- adios (NULL, "unable to allocate storage for msgstats");
-
- /*
- * Clear all the flag bits for all the message
- * status entries we just allocated.
- */
- for (msgnum = mp->lowoff; msgnum <= mp->hghoff; msgnum++)
- clear_msg_flags (mp, msgnum);
-
- /*
- * Scan through the array of messages we've seen and
- * setup the initial flags for those messages in the
- * newly allocated mp->msgstats area.
- */
- for (msgnum = 0; msgnum < mp->nummsg; msgnum++)
- set_exists (mp, mi[msgnum]);
-
- free (mi); /* We don't need this anymore */
-
- /*
- * Read and initialize the sequence information.
- */
- seq_read (mp);
-
- return mp;
+
+ closedir (dd);
+ mp->lowoff = max (mp->lowmsg, 1);
+
+ /* Go ahead and allocate space for 100 additional messages. */
+ mp->hghoff = mp->hghmsg + 100;
+
+ /* for testing, allocate minimal necessary space */
+ /* mp->hghoff = max (mp->hghmsg, 1); */
+
+ /*
+ * Allocate space for status of each message.
+ */
+ mp->msgstats = mh_xmalloc (MSGSTATSIZE(mp, mp->lowoff, mp->hghoff));
+
+ /*
+ * Clear all the flag bits for all the message
+ * status entries we just allocated.
+ */
+ for (msgnum = mp->lowoff; msgnum <= mp->hghoff; msgnum++)
+ clear_msg_flags (mp, msgnum);
+
+ /*
+ * Scan through the array of messages we've seen and
+ * setup the initial flags for those messages in the
+ * newly allocated mp->msgstats area.
+ */
+ for (msgnum = 0; msgnum < mp->nummsg; msgnum++)
+ set_exists (mp, mi[msgnum]);
+
+ free (mi); /* We don't need this anymore */
+
+ /*
+ * Read and initialize the sequence information.
+ */
+ seq_read (mp);
+
+ return mp;
}
projects / mmh / blobdiff