From 88751e9e5ee3726b8a6987aeaae04e956c2234f5 Mon Sep 17 00:00:00 2001 From: midipix Date: Mon, 27 Jan 2020 08:36:51 -0500 Subject: created lib-app skeleton (foss21.org lib-app model). --- src/driver/tpax_amain.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 src/driver/tpax_amain.c (limited to 'src/driver/tpax_amain.c') diff --git a/src/driver/tpax_amain.c b/src/driver/tpax_amain.c new file mode 100644 index 0000000..f71f16c --- /dev/null +++ b/src/driver/tpax_amain.c @@ -0,0 +1,94 @@ +/******************************************************/ +/* tpax: a topological pax implementation */ +/* Copyright (C) 2020 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.TPAX. */ +/******************************************************/ + +#include +#include +#include +#include "tpax_driver_impl.h" +#include "tpax_dprintf_impl.h" + +#ifndef TPAX_DRIVER_FLAGS +#define TPAX_DRIVER_FLAGS TPAX_DRIVER_VERBOSITY_ERRORS \ + | TPAX_DRIVER_VERBOSITY_USAGE +#endif + +static const char vermsg[] = "%s%s%s (https://git.foss21.org/tpax): " + "version %s%d.%d.%d%s.\n" + "[commit reference: %s%s%s]\n"; + +static const char * const tpax_ver_color[6] = { + "\x1b[1m\x1b[35m","\x1b[0m", + "\x1b[1m\x1b[32m","\x1b[0m", + "\x1b[1m\x1b[34m","\x1b[0m" +}; + +static const char * const tpax_ver_plain[6] = { + "","", + "","", + "","" +}; + +static ssize_t tpax_version(struct tpax_driver_ctx * dctx, int fdout) +{ + const struct tpax_source_version * verinfo; + const char * const * verclr; + + verinfo = tpax_source_version(); + verclr = isatty(fdout) ? tpax_ver_color : tpax_ver_plain; + + return tpax_dprintf( + fdout,vermsg, + verclr[0],dctx->program,verclr[1], + verclr[2],verinfo->major,verinfo->minor, + verinfo->revision,verclr[3], + verclr[4],verinfo->commit,verclr[5]); +} + +static void tpax_perform_unit_actions( + const struct tpax_driver_ctx * dctx, + struct tpax_unit_ctx * uctx) +{ + (void)dctx; + (void)uctx; +} + +static int tpax_exit(struct tpax_driver_ctx * dctx, int ret) +{ + tpax_output_error_vector(dctx); + tpax_free_driver_ctx(dctx); + return ret; +} + +int tpax_main(char ** argv, char ** envp, const struct tpax_fd_ctx * fdctx) +{ + int ret; + int fdout; + uint64_t flags; + struct tpax_driver_ctx * dctx; + struct tpax_unit_ctx * uctx; + const char ** unit; + + flags = TPAX_DRIVER_FLAGS; + fdout = fdctx ? fdctx->fdout : STDOUT_FILENO; + + if ((ret = tpax_get_driver_ctx(argv,envp,flags,fdctx,&dctx))) + return (ret == TPAX_USAGE) + ? !argv || !argv[0] || !argv[1] + : TPAX_ERROR; + + if (dctx->cctx->drvflags & TPAX_DRIVER_VERSION) + if ((tpax_version(dctx,fdout)) < 0) + return tpax_exit(dctx,TPAX_ERROR); + + for (unit=dctx->units; *unit; unit++) { + if (!(tpax_get_unit_ctx(dctx,*unit,&uctx))) { + tpax_perform_unit_actions(dctx,uctx); + tpax_free_unit_ctx(uctx); + } + } + + return tpax_exit(dctx,dctx->errv[0] ? TPAX_ERROR : TPAX_OK); +} -- cgit v1.2.3