Use mkstemp(3) to create the temporary file used in the FreeBSD-specific

portions of dtrace_program_link().
This commit is contained in:
Mark Johnston 2013-12-03 03:40:47 +00:00
parent 7a3c80aa55
commit 33d8425001

View File

@ -1709,8 +1709,6 @@ dtrace_program_link(dtrace_hdl_t *dtp, dtrace_prog_t *pgp, uint_t dflags,
*/
return (0);
}
/* XXX Should get a temp file name here. */
snprintf(tfile, sizeof(tfile), "%s.tmp", file);
#endif
/*
@ -1785,9 +1783,11 @@ dtrace_program_link(dtrace_hdl_t *dtp, dtrace_prog_t *pgp, uint_t dflags,
"failed to open %s: %s", file, strerror(errno)));
}
#else
if ((fd = open(tfile, O_RDWR | O_CREAT | O_TRUNC, 0666)) == -1)
snprintf(tfile, sizeof(tfile), "%s.XXXXXX", file);
if ((fd = mkstemp(tfile)) == -1)
return (dt_link_error(dtp, NULL, -1, NULL,
"failed to open %s: %s", tfile, strerror(errno)));
"failed to create temporary file %s: %s",
tfile, strerror(errno)));
#endif
/*
@ -1830,13 +1830,15 @@ dtrace_program_link(dtrace_hdl_t *dtp, dtrace_prog_t *pgp, uint_t dflags,
status = dump_elf32(dtp, dof, fd);
if (status != 0 || lseek(fd, 0, SEEK_SET) != 0) {
#else
/* We don't write the ELF header, just the DOF section */
if (dt_write(dtp, fd, dof, dof->dofh_filesz) < dof->dofh_filesz) {
#endif
return (dt_link_error(dtp, NULL, -1, NULL,
"failed to write %s: %s", file, strerror(errno)));
}
#else
/* We don't write the ELF header, just the DOF section */
if (dt_write(dtp, fd, dof, dof->dofh_filesz) < dof->dofh_filesz)
return (dt_link_error(dtp, NULL, -1, NULL,
"failed to write %s: %s", tfile, strerror(errno)));
#endif
if (!dtp->dt_lazyload) {
#if defined(sun)