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tftpd: constipate struct formats

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struct formats should be static const; make it so and mark all users
const.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2011-05-05 10:11:59 -07:00
parent 0b5732e263
commit ad5aab9281
1 changed files with 12 additions and 11 deletions
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23
tftpd/tftpd.c
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@ -1023,18 +1023,19 @@ int main(int argc, char **argv)
}
static char *rewrite_access(char *, int, const char **);
static int validate_access(char *, int, struct formats *, const char **);
static void tftp_sendfile(struct formats *, struct tftphdr *, int);
static void tftp_recvfile(struct formats *, struct tftphdr *, int);
static int validate_access(char *, int, const struct formats *, const char **);
static void tftp_sendfile(const struct formats *, struct tftphdr *, int);
static void tftp_recvfile(const struct formats *, struct tftphdr *, int);
struct formats {
const char *f_mode;
char *(*f_rewrite) (char *, int, const char **);
int (*f_validate) (char *, int, struct formats *, const char **);
void (*f_send) (struct formats *, struct tftphdr *, int);
void (*f_recv) (struct formats *, struct tftphdr *, int);
int (*f_validate) (char *, int, const struct formats *, const char **);
void (*f_send) (const struct formats *, struct tftphdr *, int);
void (*f_recv) (const struct formats *, struct tftphdr *, int);
int f_convert;
} formats[] = {
};
static const struct formats formats[] = {
{
"netascii", rewrite_access, validate_access, tftp_sendfile,
tftp_recvfile, 1}, {
@ -1050,7 +1051,7 @@ int tftp(struct tftphdr *tp, int size)
{
char *cp, *end;
int argn, ecode;
struct formats *pf = NULL;
const struct formats *pf = NULL;
char *origfilename;
char *filename, *mode = NULL;
const char *errmsgptr;
@ -1418,7 +1419,7 @@ static FILE *file;
* given as we have no login directory.
*/
static int validate_access(char *filename, int mode,
struct formats *pf, const char **errmsg)
const struct formats *pf, const char **errmsg)
{
struct stat stbuf;
int i, len;
@ -1526,7 +1527,7 @@ static int validate_access(char *filename, int mode,
/*
* Send the requested file.
*/
static void tftp_sendfile(struct formats *pf, struct tftphdr *oap, int oacklen)
static void tftp_sendfile(const struct formats *pf, struct tftphdr *oap, int oacklen)
{
struct tftphdr *dp;
struct tftphdr *ap; /* ack packet */
@ -1624,7 +1625,7 @@ static void tftp_sendfile(struct formats *pf, struct tftphdr *oap, int oacklen)
/*
* Receive a file.
*/
static void tftp_recvfile(struct formats *pf, struct tftphdr *oap, int oacklen)
static void tftp_recvfile(const struct formats *pf, struct tftphdr *oap, int oacklen)
{
struct tftphdr *dp;
int n, size;