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Various error-handling fixes, mostly in Unix PuTTY but one (failure

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to save a session) crosses over into the platform-independent side.

[originally from svn r3041]
This commit is contained in:
Simon Tatham
2003-04-01 18:10:25 +00:00
parent 09ba8ca111
commit 7706da5e17
11 changed files with 114 additions and 46 deletions
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24
unix/uxstore.c
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@ -5,7 +5,9 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <ctype.h>
#include <unistd.h>
#include <fcntl.h>
@ -132,24 +134,32 @@ static char *fgetline(FILE *fp)
* file somewhere or other.
*/
void *open_settings_w(const char *sessionname)
void *open_settings_w(const char *sessionname, char **errmsg)
{
char filename[FILENAME_MAX];
FILE *fp;
*errmsg = NULL;
/*
* Start by making sure the sessions subdir exists. Ignore the
* error return from mkdir since it's 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.
* 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.
*/
make_filename(filename, INDEX_DIR, sessionname);
mkdir(filename, 0700);
make_filename(filename, INDEX_SESSIONDIR, sessionname);
mkdir(filename, 0700);
make_filename(filename, INDEX_SESSION, sessionname);
fp = fopen(filename, "w");
if (!fp)
return NULL; /* can't open */
if (!fp) {
*errmsg = dupprintf("Unable to create %s: %s",
filename, strerror(errno));
return NULL; /* can't open */
}
return fp;
}