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author | midipix <writeonce@midipix.org> | 2017-02-08 01:08:41 -0500 |
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committer | midipix <writeonce@midipix.org> | 2017-02-08 01:19:09 -0500 |
commit | 00a88c01dc20c33da1936600d46974d460a23cc4 (patch) | |
tree | 2b0de22c0b68520e9504b566fce23d67ab16b05b /src/helper/mdso_create_output.c | |
parent | a75141e458ef5b5016961afcb789ee8d2cee2584 (diff) | |
download | mdso-00a88c01dc20c33da1936600d46974d460a23cc4.tar.bz2 mdso-00a88c01dc20c33da1936600d46974d460a23cc4.tar.xz |
project: source tree: tidy up.
Diffstat (limited to 'src/helper/mdso_create_output.c')
-rw-r--r-- | src/helper/mdso_create_output.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/helper/mdso_create_output.c b/src/helper/mdso_create_output.c new file mode 100644 index 0000000..b152697 --- /dev/null +++ b/src/helper/mdso_create_output.c @@ -0,0 +1,66 @@ +/****************************************************************/ +/* mdso: midipix dso scavenger */ +/* Copyright (C) 2015--2017 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */ +/****************************************************************/ + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <stddef.h> +#include <unistd.h> +#include <fcntl.h> + +#include <mdso/mdso.h> +#include "mdso_driver_impl.h" +#include "mdso_errinfo_impl.h" + +static FILE * mdso_create_output( + const struct mdso_driver_ctx * dctx, + const char * name) +{ + struct mdso_driver_ctx_impl * ictx; + uintptr_t addr; + int fdout; + FILE * fout; + + addr = (uintptr_t)dctx - offsetof(struct mdso_driver_ctx_impl,ctx); + ictx = (struct mdso_driver_ctx_impl *)addr; + + if ((fdout = openat(ictx->fddst,name, + O_CREAT|O_TRUNC|O_WRONLY|O_NOCTTY|O_NOFOLLOW, + S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) { + MDSO_SYSTEM_ERROR(dctx); + return 0; + } + + if (!(fout = fdopen(fdout,"w"))) { + close(fdout); + MDSO_SYSTEM_ERROR(dctx); + return 0; + } + + return fout; +} + +FILE * mdso_create_asm_source( + const struct mdso_driver_ctx * dctx, + const char * asmname) +{ + if (!dctx->cctx->dstdir) + return stdout; + + return mdso_create_output(dctx,asmname); +} + +FILE * mdso_create_object( + const struct mdso_driver_ctx * dctx, + const char * objname) +{ + if (!dctx->cctx->dstdir) { + MDSO_CUSTOM_ERROR(dctx,MDSO_ERR_INVALID_DSTDIR); + return 0; + } + + return mdso_create_output(dctx,objname); +} |