diff options
Diffstat (limited to 'ports/unix/guts/mkostemps.c')
-rw-r--r-- | ports/unix/guts/mkostemps.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/ports/unix/guts/mkostemps.c b/ports/unix/guts/mkostemps.c new file mode 100644 index 0000000..27ada46 --- /dev/null +++ b/ports/unix/guts/mkostemps.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2008-2010, 2012 Wind River Systems; see + * guts/COPYRIGHT for information. + * + * Copyright (c) 2018 Peter Seebach; see + * guts/COPYRIGHT for information. + * + * int mkostemps(char *template, int suffixlen, int oflags) + * int rc = -1; + */ + + PSEUDO_STATBUF buf; + int save_errno; + size_t len; + char *tmp_template; + + if (!template) { + errno = EFAULT; + return 0; + } + + len = strlen(template); + tmp_template = PSEUDO_ROOT_PATH(AT_FDCWD, template, AT_SYMLINK_NOFOLLOW); + + if (!tmp_template) { + errno = ENOENT; + return -1; + } + + rc = real_mkostemps(tmp_template, suffixlen, oflags); + + if (rc != -1) { + save_errno = errno; + + if (base_fstat(rc, &buf) != -1) { + real_fchmod(rc, PSEUDO_FS_MODE(0600, 0)); + pseudo_client_op(OP_CREAT, 0, -1, -1, tmp_template, &buf); + pseudo_client_op(OP_OPEN, PSA_READ | PSA_WRITE, rc, -1, tmp_template, &buf); + } else { + pseudo_debug(PDBGF_CONSISTENCY, "mkstemp (fd %d) succeeded, but fstat failed (%s).\n", + rc, strerror(errno)); + pseudo_client_op(OP_OPEN, PSA_READ | PSA_WRITE, rc, -1, tmp_template, 0); + } + errno = save_errno; + } + /* WARNING: At least one system allows the number of Xs to be something + * other than 6. I do not attempt to handle this. + */ + /* mkstemp only changes the XXXXXX at the end, or suffixlen characters before + * the end if mkostemp/mkostemps. + */ + memcpy(template + len - 6 - suffixlen, tmp_template + strlen(tmp_template) - 6 - suffixlen, 6); +/* return rc; + * } + */ |