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vm-file-editor: remove temporary file on exit

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This allows editing the same file more than once on the
same (non disposable) VM, as well as keeping /tmp from
ballooning indefinitely.
This commit is contained in:
Vincent Penquerc'h 2014-05-04 18:16:30 +01:00 committed by Marek Marczykowski-Górecki
parent 1733838b02
commit b21ee1fc42
1 changed files with 14 additions and 0 deletions
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14
qubes-rpc/vm-file-editor.c
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@ -14,6 +14,17 @@
#define MIMEINFO_DATABASES "/usr/share/mime:/usr/local/share:" USER_HOME "/.local/share:/usr/share/qubes/mime-override"
#define TMP_LOC "/tmp/qopen/"
static const char *cleanup_filename = NULL;
static void cleanup_file(void)
{
if (cleanup_filename) {
if (unlink(cleanup_filename) < 0)
fprintf(stderr, "Failed to remove file at exit\n");
cleanup_filename = NULL;
}
}
const char *gettime(void)
{
static char retbuf[60];
@ -110,6 +121,9 @@ void copy_file_by_name(const char *filename)
perror("open file");
exit(1);
}
/* we now have created a new file, ensure we delete it at the end */
cleanup_filename = filename;
atexit(cleanup_file);
if (!copy_fd_all(fd, 0))
exit(1);
close(fd);