void ft_execute(int fd) { t_grid *grid; t_point point; grid = init_grid(fd); ft_set_params(grid); if (!g_errno) read_first_line(grid); if (!g_errno) ft_read(grid); if (!g_errno) test_full(grid); if (g_errno) ft_putstr("Map error\n"); else { ft_remap(grid); point = find_max(grid); draw_square(grid, point.x, point.y, point.max); print_index(grid); } if (fd > 0) close(fd); free_grid(grid); }
static int read_comment(FILE *f) { int c; if (parsecfg_state.lineno == 1) return read_first_line(f); c = getc(f); while (c != EOF && c != '\n') c =getc(f); parsecfg_state.lineno++; return 0; }
static result_t* hg_get_info(vccontext_t* context) { result_t* result = init_result(context->options); char buf[1024]; // prefers bookmark because it tends to be more informative if (read_first_line(".hg/bookmarks.current", buf, 1024) && buf[0]) { debug("read first line from .hg/bookmarks.current: '%s'", buf); result_set_branch(result, buf); } else if (read_first_line(".hg/branch", buf, 1024)) { debug("read first line from .hg/branch: '%s'", buf); result_set_branch(result, buf); } else { debug("failed to read from .hg/branch: assuming default branch"); result_set_branch(result, "default"); } update_nodeid(context, result); return result; }
static result_t* svn_get_info(vccontext_t* context) { result_t* result = init_result(); char buf[1024]; if (!read_first_line(".svn/entries", buf, 1024)) { debug("failed to read from .svn/entries: assuming not an svn repo"); return NULL; } else { // branch *result->branch = system("head -n5 .svn/entries | tail -1 | awk '{ where = match ($1, /(.*)\\/branches\\/(.*)/, arr); if (where==0) { print \"[svn:trunk]\"} else { print \"[svn:\"arr[2]\"]\" } }'"); // revision // *result->revision = system("head -n4 .svn/entries | tail -1 | awk {'print \"[svn:\"$1\"]\" '}"); } return result; }
static result_t* cvs_get_info(vccontext_t* context) { result_t* result = init_result(context->options); char buf[1024]; if (!read_first_line("CVS/Tag", buf, 1024)) { debug("unable to read CVS/Tag: assuming trunk"); result_set_branch(result, "trunk"); } else { debug("read first line of CVS/Tag: '%s'", buf); if (buf[0] == 'T') { /* there is a sticky tag and it's a branch tag */ result_set_branch(result, buf + 1); } else { /* non-branch sticky tag or sticky date */ } } return result; }
static result_t* git_get_info(vccontext_t *context) { result_t *result = init_result(); char buf[1024]; if (!read_first_line(".git/HEAD", buf, 1024)) { debug("unable to read .git/HEAD: assuming not a git repo"); goto err; } char *prefix = "ref: refs/heads/"; int prefixlen = strlen(prefix); if (context->options->show_branch || context->options->show_revision) { int found_branch = 0; if (strncmp(prefix, buf, prefixlen) == 0) { /* yep, we're on a known branch */ debug("read a head ref from .git/HEAD: '%s'", buf); if (result_set_branch(result, buf + prefixlen)) found_branch = 1; } else { /* if it's not a branch name, assume it is a commit ID */ debug(".git/HEAD doesn't look like a head ref: unknown branch"); result_set_branch(result, "(unknown)"); result_set_revision(result, buf, 12); } if (context->options->show_revision && found_branch) { char buf[1024]; char filename[1024] = ".git/refs/heads/"; int nchars = sizeof(filename) - strlen(filename) - 1; strncat(filename, result->branch, nchars); if (read_first_line(filename, buf, 1024)) { result_set_revision(result, buf, 12); } } } if (context->options->show_modified) { char *argv[] = { "git", "diff", "--no-ext-diff", "--quiet", "--exit-code", NULL}; capture_t *capture = capture_child("git", argv); result->modified = (capture->status == 1); /* any other outcome (including failure to fork/exec, failure to run git, or diff error): assume no modifications */ free_capture(capture); } if (context->options->show_staged) { //git diff --name-only --cached int status = system("git diff --cached --no-ext-diff --quiet --exit-code"); if (WEXITSTATUS(status) == 1) /* files modified */ result->staged = 1; /* any other outcome (including failure to fork/exec, failure to run git, or diff error): assume no modifications */ } if (context->options->show_unknown) { char *argv[] = { "git", "ls-files", "--others", "--exclude-standard", NULL}; capture_t *capture = capture_child("git", argv); result->unknown = (capture != NULL && capture->childout.len > 0); /* again, ignore other errors and assume no unknown files */ free_capture(capture); } return result; err: free_result(result); return NULL; }
ReadProcVersion() : content(read_first_line("/proc/version")) {}
ReadProcSelfCmdline() : content(read_first_line("/proc/self/cmdline")) {}
int main(int argc, char **argv) { char dbpath[MAXPATHLEN]; char cwd[MAXPATHLEN]; STRBUF *sb = strbuf_open(0); int optchar; int option_index = 0; STATISTICS_TIME *tim; /* * Setup GTAGSCONF and GTAGSLABEL environment variable * according to the --gtagsconf and --gtagslabel option. */ preparse_options(argc, argv); /* * Get the project root directory. */ if (!vgetcwd(cwd, MAXPATHLEN)) die("cannot get current directory."); canonpath(cwd); /* * Load configuration file. */ openconf(cwd); configuration(); setenv_from_config(); { char *env = getenv("GTAGS_OPTIONS"); if (env && *env) argv = prepend_options(&argc, argv, env); } logging_arguments(argc, argv); while ((optchar = getopt_long(argc, argv, "cd:f:iIn:oOqvwse", long_options, &option_index)) != EOF) { switch (optchar) { case 0: /* already flags set */ break; case OPT_CONFIG: show_config = 1; if (optarg) config_name = optarg; break; case OPT_GTAGSCONF: case OPT_GTAGSLABEL: /* These options are already parsed in preparse_options() */ break; case OPT_SINGLE_UPDATE: iflag++; single_update = optarg; break; case OPT_ACCEPT_DOTFILES: set_accept_dotfiles(); break; case 'c': cflag++; break; case 'd': dump_target = optarg; break; case 'f': file_list = optarg; break; case 'i': iflag++; break; case 'I': Iflag++; break; case 'o': /* * Though the -o(--omit-gsyms) was removed, this code * is left for compatibility. */ break; case 'O': Oflag++; break; case 'q': qflag++; setquiet(); break; case 'w': wflag++; break; case 'v': vflag++; setverbose(); break; default: usage(); break; } } if (qflag) vflag = 0; if (show_version) version(NULL, vflag); if (show_help) help(); argc -= optind; argv += optind; /* If dbpath is specified, -O(--objdir) option is ignored. */ if (argc > 0) Oflag = 0; if (show_config) { openconf(setupdbpath(0) == 0 ? get_root() : NULL); if (config_name) printconf(config_name); else fprintf(stdout, "%s\n", getconfline()); exit(0); } else if (dump_target) { /* * Dump a tag file. */ DBOP *dbop = NULL; const char *dat = 0; int is_gpath = 0; if (!test("f", dump_target)) die("file '%s' not found.", dump_target); if ((dbop = dbop_open(dump_target, 0, 0, DBOP_RAW)) == NULL) die("file '%s' is not a tag file.", dump_target); /* * The file which has a NEXTKEY record is GPATH. */ if (dbop_get(dbop, NEXTKEY)) is_gpath = 1; for (dat = dbop_first(dbop, NULL, NULL, 0); dat != NULL; dat = dbop_next(dbop)) { const char *flag = is_gpath ? dbop_getflag(dbop) : ""; if (*flag) printf("%s\t%s\t%s\n", dbop->lastkey, dat, flag); else printf("%s\t%s\n", dbop->lastkey, dat); } dbop_close(dbop); exit(0); } else if (Iflag) { #define REQUIRED_MKID_VERSION "4.5" char *p; if (!usable("mkid")) die("mkid not found."); if (read_first_line("mkid --version", sb)) die("mkid cannot executed."); p = strrchr(strbuf_value(sb), ' '); if (p == NULL) die("invalid version string of mkid: %s", strbuf_value(sb)); switch (check_version(p + 1, REQUIRED_MKID_VERSION) #ifdef _WIN32 || strcmp(p + 1, "3.2.99") == 0 #endif ) { case 1: break; /* OK */ case 0: die("mkid version %s or later is required.", REQUIRED_MKID_VERSION); default: die("invalid version string of mkid: %s", strbuf_value(sb)); } } /* * If 'gtags.files' exists, use it as a file list. * If the file_list other than "-" is given, it must be readable file. */ if (file_list == NULL && test("f", GTAGSFILES)) file_list = GTAGSFILES; if (file_list && strcmp(file_list, "-")) { if (test("d", file_list)) die("'%s' is a directory.", file_list); else if (!test("f", file_list)) die("'%s' not found.", file_list); else if (!test("r", file_list)) die("'%s' is not readable.", file_list); } /* * Regularize the path name for single updating (--single-update). */ if (single_update) { static char regular_path_name[MAXPATHLEN]; char *p = single_update; if (!test("f", p)) die("'%s' not found.", p); #if _WIN32 || __DJGPP__ for (; *p; p++) if (*p == '\\') *p = '/'; p = single_update; #define LOCATEFLAG MATCH_AT_FIRST|IGNORE_CASE #else #define LOCATEFLAG MATCH_AT_FIRST #endif if (isabspath(p)) { char *q = locatestring(p, cwd, LOCATEFLAG); if (q && *q == '/') snprintf(regular_path_name, MAXPATHLEN, "./%s", q + 1); else die("path '%s' is out of the project.", p); } else { if (p[0] == '.' && p[1] == '/') snprintf(regular_path_name, MAXPATHLEN, "%s", p); else snprintf(regular_path_name, MAXPATHLEN, "./%s", p); } single_update = regular_path_name; } /* * Decide directory (dbpath) in which gtags make tag files. * * Gtags create tag files at current directory by default. * If dbpath is specified as an argument then use it. * If the -i option specified and both GTAGS and GRTAGS exists * at one of the candidate directories then gtags use existing * tag files. */ if (iflag) { if (argc > 0) realpath(*argv, dbpath); else if (!gtagsexist(cwd, dbpath, MAXPATHLEN, vflag)) strlimcpy(dbpath, cwd, sizeof(dbpath)); } else { if (argc > 0) realpath(*argv, dbpath); else if (Oflag) { char *objdir = getobjdir(cwd, vflag); if (objdir == NULL) die("Objdir not found."); strlimcpy(dbpath, objdir, sizeof(dbpath)); } else strlimcpy(dbpath, cwd, sizeof(dbpath)); } if (iflag && (!test("f", makepath(dbpath, dbname(GTAGS), NULL)) || !test("f", makepath(dbpath, dbname(GRTAGS), NULL)) || !test("f", makepath(dbpath, dbname(GPATH), NULL)))) { if (wflag) warning("GTAGS, GRTAGS or GPATH not found. -i option ignored."); iflag = 0; } if (!test("d", dbpath)) die("directory '%s' not found.", dbpath); if (vflag) fprintf(stderr, "[%s] Gtags started.\n", now()); /* * initialize parser. */ if (vflag && gtags_parser) fprintf(stderr, " Using plug-in parser.\n"); parser_init(langmap, gtags_parser); if (vflag && file_list) fprintf(stderr, " Using '%s' as a file list.\n", file_list); /* * Start statistics. */ init_statistics(); /* * incremental update. */ if (iflag) { /* * Version check. If existing tag files are old enough * gtagsopen() abort with error message. */ GTOP *gtop = gtags_open(dbpath, cwd, GTAGS, GTAGS_MODIFY, 0); gtags_close(gtop); /* * GPATH is needed for incremental updating. * Gtags check whether or not GPATH exist, since it may be * removed by mistake. */ if (!test("f", makepath(dbpath, dbname(GPATH), NULL))) die("Old version tag file found. Please remake it."); (void)incremental(dbpath, cwd); print_statistics(statistics); exit(0); } /* * create GTAGS and GRTAGS */ createtags(dbpath, cwd); /* * create idutils index. */ if (Iflag) { FILE *op; GFIND *gp; const char *path; tim = statistics_time_start("Time of creating ID"); if (vflag) fprintf(stderr, "[%s] Creating indexes for idutils.\n", now()); strbuf_reset(sb); /* * Since idutils stores the value of PWD in ID file, we need to * force idutils to follow our style. */ #if _WIN32 || __DJGPP__ strbuf_puts(sb, "mkid --files0-from=-"); #else strbuf_sprintf(sb, "PWD=%s mkid --files0-from=-", quote_shell(cwd)); #endif if (vflag) strbuf_puts(sb, " -v"); strbuf_sprintf(sb, " --file=%s/ID", quote_shell(dbpath)); if (vflag) { #ifdef __DJGPP__ if (is_unixy()) /* test for 4DOS as well? */ #endif strbuf_puts(sb, " 1>&2"); } else { strbuf_puts(sb, " >" NULL_DEVICE); #ifdef __DJGPP__ if (is_unixy()) /* test for 4DOS as well? */ #endif strbuf_puts(sb, " 2>&1"); } if (debug) fprintf(stderr, "executing mkid like: %s\n", strbuf_value(sb)); op = popen(strbuf_value(sb), "w"); if (op == NULL) die("cannot execute '%s'.", strbuf_value(sb)); gp = gfind_open(dbpath, NULL, GPATH_BOTH); while ((path = gfind_read(gp)) != NULL) { fputs(path, op); fputc('\0', op); } gfind_close(gp); if (pclose(op) != 0) die("terminated abnormally '%s' (errno = %d).", strbuf_value(sb), errno); if (test("f", makepath(dbpath, "ID", NULL))) if (chmod(makepath(dbpath, "ID", NULL), 0644) < 0) die("cannot chmod ID file."); statistics_time_end(tim); } if (vflag) fprintf(stderr, "[%s] Done.\n", now()); closeconf(); strbuf_close(sb); print_statistics(statistics); return 0; }