/*******************************************************************/ /* slibtool: a skinny libtool implementation, written in C */ /* Copyright (C) 2016--2017 Z. Gilboa */ /* Released under the Standard MIT License; see COPYING.SLIBTOOL. */ /*******************************************************************/ #include <stdio.h> #include <unistd.h> #include <string.h> #include <errno.h> #include <slibtool/slibtool.h> #include "slibtool_driver_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 (git://midipix.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) { const struct slbt_source_version * verinfo; const char * const * verclr; bool gitver; verinfo = slbt_source_version(); verclr = isatty(STDOUT_FILENO) ? slbt_ver_color : slbt_ver_plain; gitver = strcmp(verinfo->commit,"unknown"); return fprintf(stdout,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->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(int argc, char ** argv, char ** envp) { int ret; uint64_t flags; struct slbt_driver_ctx * dctx; char * program; char * dash; char * sargv[5]; /* --version only? */ if ((argc == 2) && (!strcmp(argv[1],"--version") || !strcmp(argv[1],"--help-all") || !strcmp(argv[1],"--help") || !strcmp(argv[1],"-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,SLBT_DRIVER_FLAGS,&dctx)) ? SLBT_ERROR : (slbt_version(dctx) < 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; else flags = SLBT_DRIVER_FLAGS; /* 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; /* driver context */ if ((ret = slbt_get_driver_ctx(argv,envp,flags,&dctx))) return (ret == SLBT_USAGE) ? !--argc : SLBT_ERROR; if (dctx->cctx->drvflags & SLBT_DRIVER_VERSION) if ((slbt_version(dctx)) < 0) return slbt_exit(dctx,SLBT_ERROR); slbt_perform_driver_actions(dctx); return slbt_exit(dctx,dctx->errv[0] ? SLBT_ERROR : SLBT_OK); }