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seq: move map/cur to ~/.santoku

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This commit is contained in:
Christian Neukirchen 2016-07-18 18:32:12 +02:00
parent b8d16d0cfb
commit a686b54594
1 changed files with 40 additions and 10 deletions
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44
seq.c
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@ -5,6 +5,7 @@
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <pwd.h>
#include <search.h>
#include <stdio.h>
#include <stdlib.h>
@ -14,6 +15,22 @@
#include "blaze822.h"
#include "blaze822_priv.h"
static char *
homefile(char *suffix)
{
static char path[PATH_MAX];
static char *homedir;
if (!homedir)
homedir = getenv("HOME");
if (!homedir)
homedir = getpwuid(getuid())->pw_dir;
snprintf(path, sizeof path, "%s/%s", homedir, suffix);
return path;
}
char *
blaze822_seq_open(char *file)
{
@ -22,7 +39,9 @@ blaze822_seq_open(char *file)
// env $SEQ or something
if (!file)
file = "map";
file = getenv("MAILMAP");
if (!file)
file = homefile(".santoku/map");
fd = open(file, O_RDONLY);
if (!fd)
return 0;
@ -104,8 +123,12 @@ char *
blaze822_seq_cur()
{
static char b[PATH_MAX];
// XXX env
int r = readlink("map.cur", b, sizeof b - 1);
char *curlink = getenv("MAILCUR");
if (!curlink)
curlink = homefile(".santoku/cur");
int r = readlink(curlink, b, sizeof b - 1);
if (r < 0)
return 0;
b[r] = 0;
@ -115,12 +138,19 @@ blaze822_seq_cur()
int
blaze822_seq_setcur(char *s)
{
// XXX env
if (unlink("map.cur-") < 0 && errno != ENOENT)
char curtmplink[PATH_MAX];
char *curlink = getenv("MAILCUR");
if (!curlink)
curlink = homefile(".santoku/cur");
if (snprintf(curtmplink, sizeof curtmplink, "%s-", curlink) >= PATH_MAX)
return -1; // truncation
if (unlink(curtmplink) < 0 && errno != ENOENT)
return -1;
if (symlink(s, "map.cur-") < 0)
if (symlink(s, curtmplink) < 0)
return -1;
if (rename("map.cur-", "map.cur") < 0)
if (rename(curtmplink, curlink) < 0)
return -1;
return 0;
}