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Better error reporting when failing to save a session.

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[originally from svn r9937]
This commit is contained in:
Simon Tatham 2013-07-19 17:44:53 +00:00
parent 13bac5ed69
commit 407fd7b9ab
1 changed files with 17 additions and 11 deletions
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28
unix/uxstore.c
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@ -166,25 +166,31 @@ void *open_settings_w(const char *sessionname, char **errmsg)
/*
* Start by making sure the .putty directory and its sessions
* subdir actually exist. Ignore error returns from mkdir since
* they're perfectly likely to be `already exists', and any
* other error will trip us up later on so there's no real need
* to catch it now.
* subdir actually exist.
*/
filename = make_filename(INDEX_DIR, NULL);
if (mkdir(filename, 0700) < 0 && errno != EEXIST) {
*errmsg = dupprintf("Unable to save session: mkdir(\"%s\") "
"returned '%s'", filename, strerror(errno));
sfree(filename);
return NULL;
}
sfree(filename);
filename = make_filename(INDEX_SESSIONDIR, NULL);
if (mkdir(filename, 0700) != 0) {
char *filename2 = make_filename(INDEX_DIR, NULL);
mkdir(filename2, 0700);
sfree(filename2);
mkdir(filename, 0700);
if (mkdir(filename, 0700) < 0 && errno != EEXIST) {
*errmsg = dupprintf("Unable to save session: mkdir(\"%s\") "
"returned '%s'", filename, strerror(errno));
sfree(filename);
return NULL;
}
sfree(filename);
filename = make_filename(INDEX_SESSION, sessionname);
fp = fopen(filename, "w");
if (!fp) {
*errmsg = dupprintf("Unable to create %s: %s",
filename, strerror(errno));
*errmsg = dupprintf("Unable to save session: open(\"%s\") "
"returned '%s'", filename, strerror(errno));
sfree(filename);
return NULL; /* can't open */
}