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/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016--2018 Z. Gilboa */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <stdbool.h>
#include <slibtool/slibtool.h>
#include "slibtool_driver_impl.h"
#include "slibtool_dprintf_impl.h"
#ifndef SLBT_DRIVER_FLAGS
#define SLBT_DRIVER_FLAGS SLBT_DRIVER_VERBOSITY_ERRORS \
| SLBT_DRIVER_VERBOSITY_USAGE
#endif
static const char vermsg[] = "%s%s%s (https://git.foss21.org/slibtool): "
"version %s%d.%d.%d%s.\n"
"%s%s%s%s%s\n";
static const char * const slbt_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 slbt_ver_plain[6] = {
"","",
"","",
"",""
};
static ssize_t slbt_version(struct slbt_driver_ctx * dctx, int fdout)
{
const struct slbt_source_version * verinfo;
const char * const * verclr;
bool gitver;
verinfo = slbt_source_version();
verclr = isatty(fdout) ? slbt_ver_color : slbt_ver_plain;
gitver = strcmp(verinfo->commit,"unknown");
if (dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_NEVER)
verclr = slbt_ver_plain;
return slbt_dprintf(fdout,vermsg,
verclr[0],dctx->program,verclr[1],
verclr[2],verinfo->major,verinfo->minor,
verinfo->revision,verclr[3],
gitver ? "[commit reference: " : "",
verclr[4],gitver ? verinfo->commit : "",
verclr[5],gitver ? "]" : "");
}
static void slbt_perform_driver_actions(struct slbt_driver_ctx * dctx)
{
if (dctx->cctx->drvflags & SLBT_DRIVER_CONFIG)
slbt_output_config(dctx);
if (dctx->cctx->drvflags & SLBT_DRIVER_FEATURES)
slbt_output_features(dctx);
if (dctx->cctx->mode == SLBT_MODE_COMPILE)
slbt_exec_compile(dctx,0);
if (dctx->cctx->mode == SLBT_MODE_EXECUTE)
slbt_exec_execute(dctx,0);
if (dctx->cctx->mode == SLBT_MODE_INSTALL)
slbt_exec_install(dctx,0);
if (dctx->cctx->mode == SLBT_MODE_LINK)
slbt_exec_link(dctx,0);
if (dctx->cctx->mode == SLBT_MODE_UNINSTALL)
slbt_exec_uninstall(dctx,0);
}
static int slbt_exit(struct slbt_driver_ctx * dctx, int ret)
{
slbt_output_error_vector(dctx);
slbt_free_driver_ctx(dctx);
return ret;
}
int slbt_main(char ** argv, char ** envp, const struct slbt_fd_ctx * fdctx)
{
int ret;
const char * harg;
int fdout;
uint64_t flags;
uint64_t noclr;
struct slbt_driver_ctx * dctx;
char * program;
char * dash;
char * sargv[5];
flags = SLBT_DRIVER_FLAGS;
fdout = fdctx ? fdctx->fdout : STDOUT_FILENO;
noclr = getenv("NO_COLOR") ? SLBT_DRIVER_ANNOTATE_NEVER : 0;
/* harg */
harg = (!argv || !argv[0] || !argv[1] || argv[2])
? 0 : argv[1];
/* --version only? */
if (harg && (!strcmp(harg,"--version")
|| !strcmp(harg,"--help-all")
|| !strcmp(harg,"--help")
|| !strcmp(harg,"-h"))) {
sargv[0] = argv[0];
sargv[1] = argv[1];
sargv[2] = "--mode=compile";
sargv[3] = "<compiler>";
sargv[4] = 0;
return (slbt_get_driver_ctx(sargv,envp,flags|noclr,fdctx,&dctx))
? SLBT_ERROR : (slbt_version(dctx,fdout) < 0)
? slbt_exit(dctx,SLBT_ERROR)
: slbt_exit(dctx,SLBT_OK);
}
/* program */
if ((program = strrchr(argv[0],'/')))
program++;
else
program = argv[0];
/* dash */
if ((dash = strrchr(program,'-')))
dash++;
/* flags */
if (dash == 0)
flags = SLBT_DRIVER_FLAGS;
else if (!(strcmp(dash,"shared")))
flags = SLBT_DRIVER_FLAGS | SLBT_DRIVER_DISABLE_STATIC;
else if (!(strcmp(dash,"static")))
flags = SLBT_DRIVER_FLAGS | SLBT_DRIVER_DISABLE_SHARED;
/* debug */
if (!(strcmp(program,"dlibtool")))
flags |= SLBT_DRIVER_DEBUG;
else if (!(strncmp(program,"dlibtool",8)))
if ((program[8] == '-') || (program[8] == '.'))
flags |= SLBT_DRIVER_DEBUG;
/* legabits */
if (!(strcmp(program,"clibtool")))
flags |= SLBT_DRIVER_LEGABITS;
else if (!(strncmp(program,"clibtool",8)))
if ((program[8] == '-') || (program[8] == '.'))
flags |= SLBT_DRIVER_LEGABITS;
/* heuristics */
if (!(strcmp(program,"rlibtool")))
flags |= SLBT_DRIVER_HEURISTICS;
/* heuristics + legabits */
if (!(strcmp(program,"rclibtool")))
flags |= (SLBT_DRIVER_HEURISTICS
| SLBT_DRIVER_LEGABITS);
/* heuristics + debug */
if (!(strcmp(program,"rdlibtool")))
flags |= (SLBT_DRIVER_HEURISTICS
| SLBT_DRIVER_DEBUG);
/* heuristics + debug + legabits */
if (!(strcmp(program,"rdclibtool")))
flags |= (SLBT_DRIVER_HEURISTICS
| SLBT_DRIVER_DEBUG
| SLBT_DRIVER_LEGABITS);
/* driver context */
if ((ret = slbt_get_driver_ctx(argv,envp,flags|noclr,fdctx,&dctx)))
return (ret == SLBT_USAGE)
? !argv || !argv[0] || !argv[1] || !argv[2]
: SLBT_ERROR;
if (dctx->cctx->drvflags & SLBT_DRIVER_VERSION)
if ((slbt_version(dctx,fdout)) < 0)
return slbt_exit(dctx,SLBT_ERROR);
slbt_perform_driver_actions(dctx);
return slbt_exit(dctx,dctx->errv[0] ? SLBT_ERROR : SLBT_OK);
}
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