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Added function to reverse order of mailbox summary using '<'/'>' keys

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Bobbi Webber-Manners 2020-07-07 02:23:07 -04:00
parent 0d0d562320
commit f008dfc529
1 changed files with 32 additions and 16 deletions
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48
apps/email.c
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@ -4,11 +4,7 @@
// Bobbi June, July 2020
/////////////////////////////////////////////////////////////////
// - TODO: BUG - memory leak if repeatedly switch mboxes. Think it is a problem
// with initialize == 1
// - TODO: Get rid of unnecessary mallocs()
// - TODO: See TODOs further down for error handling
// - TODO: Default to starting at end, not beginning (or option to sort backwards...)
// - TODO: Editor for email composition functions
#include <stdio.h>
@ -73,6 +69,7 @@ uint16_t total_msgs; // Total number of message in mailbox
uint16_t total_new; // Total number of new messages
uint16_t total_tag; // Total number of tagged messages
uint16_t first_msg; // Msg numr: first message current page
uint8_t reverse; // 0 normal, 1 reverse order
char curr_mbox[80] = "INBOX";
static unsigned char buf[READSZ];
@ -240,8 +237,9 @@ void free_headers_list(void) {
uint8_t read_email_db(uint16_t startnum, uint8_t initialize, uint8_t switchmbox) {
struct emailhdrs *curr = NULL, *prev = NULL;
uint16_t count = 0;
uint8_t done_visible = 0;
int32_t pos;
uint16_t l;
uint8_t reverse = 0, done_visible = 0;
if (initialize) {
total_new = total_msgs = total_tag = 0;
}
@ -254,13 +252,14 @@ uint8_t read_email_db(uint16_t startnum, uint8_t initialize, uint8_t switchmbox)
return 1;
}
if (reverse) {
// TODO Streamline this once it works
if (fseek(fp, 0, SEEK_END)) {
error(switchmbox ? ERR_NONFATAL : ERR_FATAL, "1/Can't seek in %s", filename);
error(switchmbox ? ERR_NONFATAL : ERR_FATAL, "Can't seek in %s", filename);
if (switchmbox)
return 1;
}
if (fseek(fp, ftell(fp) - startnum * EMAILHDRS_SZ_ON_DISK, SEEK_SET)) {
error(switchmbox ? ERR_NONFATAL : ERR_FATAL, "2/Can't seek in %s", filename);
error(switchmbox ? ERR_NONFATAL : ERR_FATAL, "Can't seek in %s", filename);
if (switchmbox)
return 1;
}
@ -285,13 +284,6 @@ uint8_t read_email_db(uint16_t startnum, uint8_t initialize, uint8_t switchmbox)
fclose(fp);
return 0;
}
if (reverse) {
if (fseek(fp, ftell(fp) -2 * EMAILHDRS_SZ_ON_DISK, SEEK_SET)) {
free(curr);
fclose(fp);
return 0;
}
}
if (count <= MSGS_PER_PAGE) {
if (!prev)
headers = curr;
@ -316,6 +308,19 @@ uint8_t read_email_db(uint16_t startnum, uint8_t initialize, uint8_t switchmbox)
if (done_visible)
free(curr);
}
if (reverse) {
// TODO Streamline this once it works
pos = ftell(fp) - 2 * EMAILHDRS_SZ_ON_DISK;
if (pos == -1 * EMAILHDRS_SZ_ON_DISK) {
fclose(fp);
return 0;
}
if (fseek(fp, pos, SEEK_SET)) {
error(switchmbox ? ERR_NONFATAL : ERR_FATAL, "Can't seek in %s", filename);
fclose(fp);
return 0;
}
}
}
fclose(fp);
return 0;
@ -385,9 +390,9 @@ void status_bar(void) {
if (num_msgs == 0)
printf("%c%s [%s] No messages ", INVERSE, PROGNAME, curr_mbox);
else
printf("%c[%s] %u msgs, %u new, %u tagged. Showing %u-%u. ",
printf("%c[%s] %u msgs, %u new, %u tagged. Showing %u-%u. %c ",
INVERSE, curr_mbox, total_msgs, total_new, total_tag, first_msg,
first_msg + num_msgs - 1);
first_msg + num_msgs - 1, (reverse ? '<' : '>'));
putchar(NORMAL);
putchar(CURDOWN);
printf("\n");
@ -1605,6 +1610,16 @@ void keyboard_hdlr(void) {
h = get_headers(selection);
copy_to_mailbox(h, first_msg + selection - 1, "OUTBOX", 0, 'F');
break;
case ',':
case '<':
reverse = 1;
switch_mailbox(curr_mbox);
break;
case '.':
case '>':
reverse = 0;
switch_mailbox(curr_mbox);
break;
case 'q':
case 'Q':
if (prompt_okay("Quit - ")) {
@ -1627,6 +1642,7 @@ void main(void) {
error(ERR_FATAL, "Need 128K");
videomode(VIDEOMODE_80COL);
readconfigfile();
reverse = 0;
first_msg = 1;
read_email_db(first_msg, 1, 0);
selection = 1;