diff options
Diffstat (limited to 'src/libstddjb/env_dump.c')
-rw-r--r-- | src/libstddjb/env_dump.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/src/libstddjb/env_dump.c b/src/libstddjb/env_dump.c deleted file mode 100644 index 10f5913..0000000 --- a/src/libstddjb/env_dump.c +++ /dev/null @@ -1,54 +0,0 @@ -/* ISC license. */ - -#include <skalibs/nonposix.h> -#include <unistd.h> -#include <sys/stat.h> -#include <string.h> -#include <errno.h> -#include <stdlib.h> -#include <stdio.h> - -#include <skalibs/bytestr.h> -#include <skalibs/env.h> -#include <skalibs/djbunix.h> - - /* XXX: breaks layering, but really openat() should be supported everywhere */ -#include <skalibs/unix-transactional.h> - -#define SUFFIX ":envdump:XXXXXX" - -int env_dump (char const *dir, mode_t mode, char const *const *envp) -{ - int fd ; - size_t dirlen = strlen(dir) ; - char tmpdir[dirlen + sizeof(SUFFIX)] ; - memcpy(tmpdir, dir, dirlen) ; - memcpy(tmpdir + dirlen, SUFFIX, sizeof(SUFFIX)) ; - if (!mkdtemp(tmpdir)) return 0 ; - fd = open_read(tmpdir) ; - if (fd == -1) goto err ; - for (; *envp ; envp++) - { - size_t len = str_chr(*envp, '=') ; - size_t vallen = strlen(*envp + len + 1) ; - char fn[len + 1] ; - memcpy(fn, *envp, len) ; - fn[len] = 0 ; - len = openwritenclose_at(fd, fn, *envp + len + 1, vallen) ; - if (len < vallen) goto cerr ; - } - fd_close(fd) ; - if (chmod(tmpdir, mode) == -1) goto err ; - if (rename(tmpdir, dir) == -1) goto err ; - return 1 ; - - cerr: - fd_close(fd) ; - err: - { - int e = errno ; - rm_rf(tmpdir) ; - errno = e ; - } - return 0 ; -} |