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- /*
- * hscdepp
- *
- * Dependency generator for hsc-project
- *
- * Copyright (C) 1996 Thomas Aglassinger
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- *-------------------------------------------------------------------
- *
- * Author : Thomas Aglassinger (Tommy-Saftwörx)
- * Email : agi@giga.or.at, agi@sbox.tu-graz.ac.at
- * Address: Lissagasse 12/II/9
- * 8020 Graz
- * AUSTRIA
- *
- *-------------------------------------------------------------------
- *
- * hscdepp/hscdepp.c
- *
- * updated: 8-Sep-1996
- * created: 8-Jul-1996
- */
-
- /* ANSI includes */
- #include <stdio.h>
- #include <errno.h>
- #include <string.h>
- #include <time.h>
-
- /* ugly includes */
- #include "ugly/ustring.h"
- #include "ugly/dllist.h"
- #include "ugly/expstr.h"
- #include "ugly/infile.h"
- #include "ugly/uargs.h"
- #include "ugly/prginfo.h"
- #include "ugly/returncd.h"
-
- /* hsclib includes */
- #include "hscprj/document.h"
- #include "hscprj/project.h"
-
- /* include revision data */
- #include "hscdepp/hscdepp_rev.h"
-
- #ifdef AMIGA
- /* AmigaOS version string
- * (imported from "hscdepp_rev.h")
- */
- static const STRPTR AmigaOS_version = VERSTAG;
- #endif
-
- /* prefix for messages */
- #define HD ""
- #define DHD "*hscdep* "
- #define SHIT "*** " /* prefix for total failure */
-
- /* debugging define */
- #ifdef DEBUG
- #undef DEBUG
- #define DEBUG 1
- #endif
-
- #ifdef D
- #undef D
- #endif
-
- #if DEBUG
- #define D(x) if (debug) {x;}
- #else
- #define D(x) {/*nufin*/}
- #endif
-
- /* step-sizes for input-file/depency-string */
- #define CHUNKSIZE_INPUTFILE (64*1024)
- #define CHUNKSIZE_DEPENDSTR (16*1024)
-
- /* default parameters */
- #define DEFAULT_PROJECT "hsc.project" /* project-filename */
- #define DEFAULT_NAMEALL "all_hsc" /* "all"-rule */
-
- /* size of buffer for fgets() */
- #define MAXBUFSIZE 1024
-
- #define STR_DEPENDS_PRECEDE \
- "# --- DO NOT MODIFY THIS LINE -- hsc-dependencies precede ---\n"
- #define STR_DEPENDS_FOLLOW \
- "# --- DO NOT MODIFY THIS LINE -- hsc-dependencies follow ---\n"
-
- /*
- * global vars
- */
- static int return_code = RC_FAIL; /* exit code of program */
-
- static STRPTR makefile = NULL;
- static STRPTR prjfile = NULL;
- static STRPTR nameall = NULL;
- static BOOL verbose = FALSE;
- static BOOL nobackup = FALSE;
- static BOOL notaglines = FALSE;
- static BOOL debug = FALSE;
-
- static EXPSTR *lines_precede = NULL;
- static EXPSTR *lines_follow = NULL;
- static EXPSTR *lines_depend = NULL;
-
- static HSCPRJ *project = NULL;
-
- /*
- * cleanup: free all resources
- * (called in any case)
- */
- static VOID cleanup(VOID)
- {
- D(fprintf(stderr, "(cleanup)\r"));
- del_project(project);
- del_estr(lines_precede);
- del_estr(lines_follow);
- del_estr(lines_depend);
- D(fprintf(stderr, " "));
- }
-
- static VOID set_return_code(int new_code)
- {
- if (new_code > return_code)
- return_code = new_code;
- }
-
- /*
- * hsc_nomem_handler
- *
- * called from ugly/umalloc, if malloc() did return NULL
- */
- static BOOL hscdepp_nomem_handler(size_t size)
- {
- fputs(SHIT "out of memory\n", stderr);
-
- return_code = RC_FAIL;
-
- exit(return_code);
-
- return (FALSE); /* immediatly abort */
- }
-
- VOID msg_corrupt_pf(HSCPRJ * hp, STRPTR reason)
- {
- fprintf(stderr, "project-file corrupt: %s\n", reason);
- }
-
- /*
- * show_license
- *
- * display short description of GNU GPL
- */
- static VOID show_license(VOID)
- {
- STRPTR license = /* the usual boring text */
- "\nThis program is free software; you can redistribute it and/or modify\n"
- "it under the terms of the GNU General Public License as published by\n"
- "the Free Software Foundation; either version 2 of the License, or\n"
- "(at your option) any later version.\n\n"
-
- "This program is distributed in the hope that it will be useful,\n"
- "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
- "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
- "GNU General Public License for more details.\n\n"
-
- "You should have received a copy of the GNU General Public License\n"
- "along with this program; if not, write to the Free Software\n"
- "Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\n\n";
-
- fprintf(stderr, license);
- }
-
- /*
- * args_ok
- *
- * prepare args, check & parse user args, display error and
- * help message if neccessary
- *
- * result: TRUE, if all args ok and no request for HELP or
- * LICENSE has been detected
- */
- static BOOL args_ok(int argc, char *argv[])
- {
- struct arglist *hscdepp_args; /* argument structure */
- BOOL arg_help = FALSE;
- BOOL arg_license = FALSE;
- BOOL ok = FALSE;
-
- /* create arg-table */
- hscdepp_args = prepare_args
- ("HSCDEPP_ARGS",
- "FILE/T", &makefile, "makefile to update",
- "PRJFILE/T/K", &prjfile, "project file",
- "NAMEALL/T/K", &nameall, "name for `all_hsc' rule",
- "VERBOSE/S", &verbose, "verbose output",
- "NOBACKUP/S", &nobackup, "do not backup makefile",
- "NOTAGLINES/S", ¬aglines, "do not write taglines",
- "-DEBUG/S", &debug, "enable debugging output",
- "HELP=?=-h/S", &arg_help, "display this text",
- "LICENSE/S", &arg_license, "display license",
- NULL);
-
- ok = (hscdepp_args != NULL);
-
- /* set & test args */
- if (ok)
- {
- ok = set_args(argc, argv, hscdepp_args);
-
- /* display argument error message */
- if (!ok)
- {
- pargerr();
- set_return_code(RC_ERROR);
- }
- else if (arg_help || arg_license)
- {
- /*
- * display help or license text
- */
- fprintf_prginfo(stderr);
- if (arg_help)
- fprintf_arghelp(stderr, hscdepp_args);
- else
- show_license();
- set_return_code(RC_WARN);
- ok = FALSE;
- }
- else
- {
- /* auto-enable verbose in debug-mode */
- if (debug)
- verbose = TRUE;
-
- /* display copyright in verbose-mode */
- if (verbose)
- fprintf_prginfo(stderr);
-
- /* set default-parameters if neccessary */
- if (!prjfile)
- {
- prjfile = DEFAULT_PROJECT;
- if (verbose)
- fprintf(stderr, HD "%s: using default project-file\n",
- prjfile);
- }
- if (!nameall)
- {
- nameall = DEFAULT_NAMEALL;
-
- }
-
- /* debugging control output */
- D(
- if (makefile)
- {
- fprintf(stderr, DHD "makefile=`%s'\n", makefile);
- fprintf(stderr, DHD "makefile=DEFAULT\n");
- fprintf(stderr, DHD "prjfile =`%s'\n", prjfile);
- fprintf(stderr, DHD "nameall =`%s'\n", nameall);
- }
- );
- }
-
- /* release mem used by args */
- free_args(hscdepp_args);
- }
- else
- {
- /* only for developer */
- D(fprintf(stderr, SHIT "ArgDef error: %lu\n", prep_error_num));
- }
-
- #if 1
- return (ok);
- #else
- return (FALSE); /* for arg-debugging */
- #endif
- }
-
- /*
- * read_makefile
- *
- * scan for fitting makefile, read all it's data into a list
- * of strings, exept those which are between taglines
- */
- static BOOL read_makefile(VOID)
- {
- STRPTR scanfile[] =
- {"GNUmakefile", "Makefile", "makefile", NULL};
- FILE *file = NULL;
- BOOL ok = FALSE;
-
- lines_precede = init_estr(1024);
- lines_follow = init_estr(1024);
-
- /*
- * open makefile
- */
- errno = 0;
- if (!makefile)
- {
- /* scan for makefile */
- int i = 0;
-
- D(fprintf(stderr, DHD "scanning makefile\n"));
- makefile = scanfile[0];
- while (!file && makefile)
- {
- D(fprintf(stderr, DHD " try `%s'\n", makefile));
- file = fopen(makefile, "r");
- if (!file)
- {
- i += 1;
- makefile = scanfile[i];
- }
- }
-
- }
- else
- {
- /* use makefile specified by user */
- D(fprintf(stderr, DHD "makefile `%s' specified by user\n", makefile));
- file = fopen(makefile, "r");
- }
-
- if (!file)
- {
- if (!makefile)
- makefile = "Makefile";
- fprintf(stderr, HD "%s: creating new makefile\n", makefile);
- ok = TRUE;
- }
- else
- {
- static STRARR buf[MAXBUFSIZE]; /* buffer for fgets() */
- BOOL found = FALSE; /* flag: tag-line found */
- STRPTR line = NULL; /* current line read */
-
- /*
- * read Makefile
- */
-
- /* reset error variable */
- errno = 0;
-
- /*
- * read preceding lines
- */
- do
- {
- line = fgets(buf, MAXBUFSIZE, file);
- if (line)
- if (!strcmp(line, STR_DEPENDS_FOLLOW))
- found = TRUE;
- else
- app_estr(lines_precede, line);
- }
- while (!found && !errno && line);
-
- if (errno)
- {
- fprintf(stderr, HD "error reading `%s': %s\n", makefile, strerror(errno));
- set_return_code(RC_ERROR);
- }
- else if (!line)
- {
- /* tag-line not found */
- if (verbose)
- fprintf(stderr, HD "%s: no starting tag-line; "
- "appending dependencies\n", makefile);
- }
- else
- {
- /*
- * skip old dependencies
- */
- D(fprintf(stderr, DHD "starting tagline found\n"));
-
- found = FALSE;
- do
- {
- line = fgets(buf, MAXBUFSIZE, file);
- if (line)
- if (!strcmp(line, STR_DEPENDS_PRECEDE))
- found = TRUE;
- }
- while (!found && !errno && line);
-
- if (errno)
- {
- fprintf(stderr, HD "error reading `%s': %s\n", makefile, strerror(errno));
- set_return_code(RC_ERROR);
- }
- else if (!line)
- {
- /* tag-line not found */
- if (verbose)
- fprintf(stderr, HD "%s: no ending tag-line; "
- "appending dependencies\n", makefile);
- }
- else
- {
- /*
- * read following lines
- */
- D(fprintf(stderr, DHD "ending tagline found\n"));
- do
- {
- line = fgets(buf, MAXBUFSIZE, file);
- if (line)
- app_estr(lines_follow, line);
- }
- while (!errno && line);
-
- if (errno)
- {
- fprintf(stderr, HD "error reading `%s': %s\n", makefile, strerror(errno));
- set_return_code(RC_ERROR);
- }
- }
- }
-
- if (!errno)
- {
- if (verbose)
- fprintf(stderr, HD "%s: makefile read\n", makefile);
- ok = TRUE;
- }
- /* close makefile */
- fclose(file);
- }
-
- return (ok);
- }
-
- /*
- * read_project
- *
- * read data from project file
- */
- static BOOL read_project(VOID)
- {
- BOOL ok = FALSE;
- INFILE *inpf = NULL;
-
- if (verbose)
- {
- fprintf(stderr, HD "%s: reading..\r", prjfile);
- fflush(stderr);
- }
-
- /* assign message-callback for corrupt project-file */
- project->CB_msg_corrupt_pf = msg_corrupt_pf;
-
- /* read project-file */
- errno = 0;
- inpf = infopen(prjfile, CHUNKSIZE_INPUTFILE);
- if (inpf)
- {
- if (hsc_project_read_file(project, inpf))
- {
- if (verbose)
- fprintf(stderr, HD "%s: project-file read\n", prjfile);
- ok = TRUE;
- }
- infclose(inpf);
- }
-
- if (!ok)
- {
- fprintf(stderr, HD "error reading `%s'", prjfile);
- if (errno)
- fprintf(stderr, HD ": %s", strerror(errno));
- fprintf(stderr, "\n");
- }
-
- return (ok);
- }
-
- /*
- * update_makefile
- *
- * create dependency-lines from project-info,
- */
-
- /* append linefeed to dependency-line */
- static VOID depline_applf(ULONG * linelen)
- {
- *linelen = 0;
- app_estr(lines_depend, "\n");
- }
-
- /* append string to dependency-line */
- static VOID depline_appstr(STRPTR s, ULONG * linelen)
- {
- #define LEADING_BLANKS " "
- size_t slen = strlen(s);
-
- /* check if line would become too long after appending
- * the current word */
- if ((*linelen + slen) >= 75)
- {
- D(fprintf(stderr, DHD "break line after %lu chars to avoid %lu\n",
- *linelen, *linelen + slen));
-
- app_estr(lines_depend, " \\\n");
- app_estr(lines_depend, LEADING_BLANKS);
- *linelen = strlen(LEADING_BLANKS);
- }
-
- app_estrch(lines_depend, ' ');
- app_estr(lines_depend, s);
- *linelen = *linelen + slen + 1;
- }
-
- /*
- * update_makefile - main function
- */
- static BOOL update_makefile(VOID)
- {
- BOOL ok = FALSE;
- ULONG linelen = 0; /* length of current line */
- DLNODE *docnode = dll_first(project->documents);
- BOOL bak_ok = TRUE;
-
- lines_depend = init_estr(CHUNKSIZE_DEPENDSTR);
-
- /* append tagline */
- if (!notaglines)
- app_estr(lines_depend, STR_DEPENDS_FOLLOW);
-
- /* append some header info */
- if (!notaglines)
- {
- #define MAXTIMEBUF 40
- time_t now = time(NULL);
- STRARR timebuf[MAXTIMEBUF];
-
- if (strftime(timebuf, MAXTIMEBUF, "%A %d-%b-%Y %H:%M:%S",
- localtime(&now)))
- {
- app_estr(lines_depend, "\n# dependencies updated: ");
- app_estr(lines_depend, timebuf);
- app_estr(lines_depend, "\n\n");
- }
- }
-
- /*
- * append all-rule
- */
- if (docnode->data)
- {
- app_estr(lines_depend, nameall);
- app_estr(lines_depend, " :");
- linelen = strlen(nameall) + 2;
-
- while (docnode)
- {
- HSCDOC *document = dln_data(docnode);
- depline_appstr(document->docname, &linelen);
-
- docnode = dln_next(docnode);
- }
- app_estr(lines_depend, "\n\n");
- }
-
- /*
- * append document data
- */
- docnode = dll_first(project->documents);
- while (docnode)
- {
- HSCDOC *document = dln_data(docnode);
- DLNODE *incnode = dll_first(document->includes);
-
- D(fprintf(stderr, DHD "document `%s'\n", document->docname));
-
- app_estr(lines_depend, document->docname);
- app_estr(lines_depend, " :");
-
- linelen = strlen(document->docname) + 2;
-
- /* dependency for main source */
- depline_appstr(document->sourcename, &linelen);
-
- /* dependencies for includes */
- while (incnode)
- {
- HSCINC *include = dln_data(incnode);
- depline_appstr(include->name, &linelen);
-
- incnode = dln_next(incnode);
- }
-
- /* append linefeed after dependency-list */
- app_estr(lines_depend, "\n\n");
-
- docnode = dln_next(docnode);
- }
-
- /* append tagline */
- if (!notaglines)
- app_estr(lines_depend, STR_DEPENDS_PRECEDE);
-
- /*
- * create backup
- */
- if (!nobackup)
- {
- EXPSTR *makefile_bak = init_estr(32); /* filename for backup */
-
- set_estr(makefile_bak, makefile);
- app_estr(makefile_bak, ".bak");
-
- /* remove old backup */
- remove(estr2str(makefile_bak));
-
- /* rename old makefile to backup
- *
- * NOTE: if this fails, this can also be because
- * there wasn't any earlier copy, therefor no
- * error-message is displayed */
- if (!rename(makefile, estr2str(makefile_bak)))
- {
- if (verbose)
- fprintf(stderr, HD "%s: backup created\n",
- estr2str(makefile_bak));
- }
-
- del_estr(makefile_bak);
- }
-
- /*
- * write makefile
- */
- if (bak_ok)
- {
- FILE *outf = NULL;
-
- /* open output makefile */
- errno = 0;
- outf = fopen(makefile, "w");
- if (outf)
- {
- /* write output */
- errno = 0;
- fprintf(outf, "%s%s%s",
- estr2str(lines_precede), estr2str(lines_depend),
- estr2str(lines_follow));
-
- if (errno)
- {
- /* write error */
- fprintf(stderr, "error writing to `%s': %s\n",
- makefile, strerror(errno));
- }
- else
- ok = TRUE;
-
- /* close output */
- fclose(outf);
- }
- else
- {
- /* error opening output */
- fprintf(stderr, "error opening `%s' for output: %s\n",
- makefile, strerror(errno));
- }
- }
-
- return (ok);
- }
-
- /*
- *
- * main function
- *
- */
- int main(int argc, char *argv[])
- {
- #ifndef BETA
- #define BETA 0
- #endif
- /* set program information */
- set_prginfo("hscdepp", "Tommy-Saftwörx", VERSION, REVISION, BETA,
- "hsc dependency procreator",
- "Freeware, type `hscdepp LICENSE' for details.");
-
- #if DEBUG
- /* display a memory tracking report */
- /* at end of execution */
- atexit(atexit_uglymemory);
- #endif
-
- /* install nomem-handler */
- ugly_nomem_handler = hscdepp_nomem_handler;
-
- /* use cleanup() as additional exit func */
- if (!atexit(cleanup))
- {
- /*
- * main procedure
- */
- return_code = RC_OK;
- project = new_project();
- if (project
- && args_ok(argc, argv)
- && read_makefile()
- && read_project()
- && update_makefile()
- )
- {
- if (verbose)
- {
- fprintf(stderr, HD "%s: updated using `%s'\n",
- makefile, prjfile);
- }
- return_code = RC_OK;
- }
- }
- else
- {
- fputs(SHIT "atexit() failed ", stderr);
- }
- return (return_code);
- }
-