diff options
Diffstat (limited to 'src/libunixonacid/dd_commit.c')
-rw-r--r-- | src/libunixonacid/dd_commit.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/libunixonacid/dd_commit.c b/src/libunixonacid/dd_commit.c index f4a7b06..b4d1511 100644 --- a/src/libunixonacid/dd_commit.c +++ b/src/libunixonacid/dd_commit.c @@ -1,17 +1,18 @@ /* ISC license. */ +#include <sys/types.h> #include <unistd.h> #include <errno.h> -#include <stdio.h> /* for rename() */ -#include <skalibs/bytestr.h> +#include <stdio.h> +#include <string.h> #include <skalibs/stralloc.h> #include <skalibs/djbunix.h> #include <skalibs/random.h> #include <skalibs/unix-transactional.h> -static char const *mybasename (char const *s, unsigned int len) +static char const *mybasename (char const *s, size_t len) { - register unsigned int i = len ; + size_t i = len ; while (i--) if (s[i] == '/') return s + i + 1 ; return s ; } @@ -19,15 +20,15 @@ static char const *mybasename (char const *s, unsigned int len) int dd_commit (dirdescriptor_t *dd) { dirdescriptor_t zero = DIRDESCRIPTOR_ZERO ; - unsigned int len = str_len(dd->lnkfn) ; - unsigned int oldbase = dd->new.len ; - unsigned int newlnkbase ; + size_t len = strlen(dd->lnkfn) ; + size_t oldbase = dd->new.len ; + size_t newlnkbase ; char const *lnkbn = mybasename(dd->lnkfn, len) ; if (!sadirname(&dd->new, dd->lnkfn, len)) return 0 ; if (!stralloc_catb(&dd->new, "/", 1)) goto fail ; if (sareadlink(&dd->new, dd->lnkfn) < 0) { - unsigned int lnkbnbase = dd->new.len ; + size_t lnkbnbase = dd->new.len ; if (errno != EINVAL) goto fail ; if (!stralloc_cats(&dd->new, lnkbn)) goto fail ; if (!random_sauniquename(&dd->new, 8)) goto fail ; @@ -36,7 +37,7 @@ int dd_commit (dirdescriptor_t *dd) /* /!\ race condition right here: there's no lnkfn in the fs */ if (symlink(dd->new.s + lnkbnbase, dd->lnkfn) < 0) /* now that's VERY BAD if it fails */ { - register int e = errno ; + int e = errno ; rename(dd->new.s + oldbase, dd->lnkfn) ; /* attempt to revert to initial situation */ errno = e ; goto fail ; /* and hope for the best */ @@ -50,7 +51,7 @@ int dd_commit (dirdescriptor_t *dd) if (symlink(dd->new.s, dd->new.s + newlnkbase) < 0) goto fail ; if (rename(dd->new.s + newlnkbase, dd->lnkfn) < 0) { - register int e = errno ; + int e = errno ; unlink(dd->new.s + newlnkbase) ; errno = e ; goto fail ; |