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New utility functions to make ptrlens.

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One to make one from a NUL-terminated string, and another to make one
from a strbuf. I've switched over all the obvious cases where I should
have been using these functions.
This commit is contained in:
Simon Tatham 2018-10-13 16:30:59 +01:00
parent b9bfc81531
commit 56096ba558
5 changed files with 18 additions and 6 deletions
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2
cmdgen.c
View File

@ -816,7 +816,7 @@ int main(int argc, char **argv)
const ssh_keyalg *alg = find_pubkey_alg(ssh2alg);
if (alg)
bits = ssh_key_public_bits(
alg, make_ptrlen(ssh2blob->s, ssh2blob->len));
alg, ptrlen_from_strbuf(ssh2blob));
else
bits = -1;
} else {

10
misc.c
View File

@ -1243,6 +1243,16 @@ ptrlen make_ptrlen(const void *ptr, size_t len)
return pl;
}
ptrlen ptrlen_from_asciz(const char *str)
{
return make_ptrlen(str, strlen(str));
}
ptrlen ptrlen_from_strbuf(strbuf *sb)
{
return make_ptrlen(sb->u, sb->len);
}
int ptrlen_eq_string(ptrlen pl, const char *str)
{
size_t len = strlen(str);

2
misc.h
View File

@ -97,6 +97,8 @@ struct tm ltime(void);
int nullstrcmp(const char *a, const char *b);
ptrlen make_ptrlen(const void *ptr, size_t len);
ptrlen ptrlen_from_asciz(const char *str);
ptrlen ptrlen_from_strbuf(strbuf *sb);
int ptrlen_eq_string(ptrlen pl, const char *str);
char *mkstr(ptrlen pl);
int string_length_for_printf(size_t);

4
ssh2userauth.c
View File

@ -867,8 +867,8 @@ static void ssh2_userauth_process_queue(PacketProtocolLayer *ppl)
BinarySink_UPCAST(sigblob));
strbuf_free(sigdata);
ssh2_userauth_add_sigblob(
s, s->pktout, make_ptrlen(pkblob->s, pkblob->len),
make_ptrlen(sigblob->s, sigblob->len));
s, s->pktout, ptrlen_from_strbuf(pkblob),
ptrlen_from_strbuf(sigblob));
strbuf_free(pkblob);
strbuf_free(sigblob);

6
sshpubk.c
View File

@ -584,7 +584,7 @@ const ssh_keyalg *find_pubkey_alg_len(ptrlen name)
const ssh_keyalg *find_pubkey_alg(const char *name)
{
return find_pubkey_alg_len(make_ptrlen(name, strlen(name)));
return find_pubkey_alg_len(ptrlen_from_asciz(name));
}
struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
@ -798,8 +798,8 @@ struct ssh2_userkey *ssh2_load_userkey(const Filename *filename,
ret = snew(struct ssh2_userkey);
ret->comment = comment;
ret->key = ssh_key_new_priv(
alg, make_ptrlen(public_blob->u, public_blob->len),
make_ptrlen(private_blob->u, private_blob->len));
alg, ptrlen_from_strbuf(public_blob),
ptrlen_from_strbuf(private_blob));
if (!ret->key) {
sfree(ret);
ret = NULL;