NetBSD/gnu/dist/postfix/global/remove.c

72 lines
1.4 KiB
C

/*++
/* NAME
/* REMOVE 3
/* SUMMARY
/* remove or stash away file
/* SYNOPSIS
/* \fBint REMOVE(path)\fR
/* \fBconst char *path;\fR
/* DESCRIPTION
/* \fBREMOVE()\fR removes a file, or renames it to a unique name,
/* depending on the setting of the boolean \fBvar_dont_remove\fR
/* flag.
/* SEE ALSO
/* remove(3)
/* DIAGNOSTICS
/* The result is 0 in case of success, -1 in case of trouble.
/* The global \fBerrno\fR variable reflects the nature of the
/* problem.
/* FILES
/* saved/*, stashed-away files.
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
/* System library. */
#include <sys_defs.h>
#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
/* Utility library. */
#include <vstring.h>
/* Global library. */
#include <mail_params.h>
/* REMOVE - squirrel away a file instead of removing it */
int REMOVE(const char *path)
{
static VSTRING *dest;
char *slash;
struct stat st;
if (var_dont_remove == 0) {
return (remove(path));
} else {
if (dest == 0)
dest = vstring_alloc(10);
vstring_sprintf(dest, "saved/%s", ((slash = strrchr(path, '/')) != 0) ?
slash + 1 : path);
for (;;) {
if (stat(vstring_str(dest), &st) < 0)
break;
vstring_strcat(dest, "+");
}
return (rename(path, vstring_str(dest)));
}
}