diff options
Diffstat (limited to 'apropos.c')
| -rw-r--r-- | apropos.c | 197 |
1 files changed, 31 insertions, 166 deletions
@@ -1,7 +1,6 @@ /* $Id$ */ /* - * Copyright (c) 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2012 Kristaps Dzonsons <kristaps@bsd.lv> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -27,38 +26,21 @@ #include <string.h> #include <unistd.h> -#include "apropos_db.h" -#include "mandoc.h" #include "manpath.h" - -#define SINGLETON(_res, _sz) \ - ((_sz) && (_res)[0].matched && \ - (1 == (_sz) || 0 == (_res)[1].matched)) -#define EMPTYSET(_res, _sz) \ - ((0 == (_sz)) || 0 == (_res)[0].matched) - -static int cmp(const void *, const void *); -static void list(struct res *, size_t, void *); -static void usage(void); - -static char *progname; +#include "mansearch.h" int main(int argc, char *argv[]) { - int ch, rc, whatis, usecat; - struct res *res; + int ch; + size_t i, sz; + struct manpage *res; + char *conf_file, *defpaths, *auxpaths, + *arch, *sec; struct manpaths paths; - const char *prog; - pid_t pid; - char path[PATH_MAX]; - int fds[2]; - size_t terms, ressz, sz; - struct opts opts; - struct expr *e; - char *defpaths, *auxpaths, *conf_file, *cp; - extern int optind; + char *progname; extern char *optarg; + extern int optind; progname = strrchr(argv[0], '/'); if (progname == NULL) @@ -66,18 +48,8 @@ main(int argc, char *argv[]) else ++progname; - whatis = 0 == strncmp(progname, "whatis", 6); - + auxpaths = defpaths = conf_file = arch = sec = NULL; memset(&paths, 0, sizeof(struct manpaths)); - memset(&opts, 0, sizeof(struct opts)); - - usecat = 0; - ressz = 0; - res = NULL; - auxpaths = defpaths = NULL; - conf_file = NULL; - e = NULL; - path[0] = '\0'; while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:"))) switch (ch) { @@ -91,149 +63,42 @@ main(int argc, char *argv[]) auxpaths = optarg; break; case ('S'): - opts.arch = optarg; + arch = optarg; break; case ('s'): - opts.cat = optarg; + sec = optarg; break; default: - usage(); - return(EXIT_FAILURE); + goto usage; } argc -= optind; argv += optind; - if (0 == argc) - return(EXIT_SUCCESS); - - rc = 0; + if (0 == argc) + goto usage; manpath_parse(&paths, conf_file, defpaths, auxpaths); - - e = whatis ? termcomp(argc, argv, &terms) : - exprcomp(argc, argv, &terms); - - if (NULL == e) { - fprintf(stderr, "%s: Bad expression\n", progname); - goto out; - } - - rc = apropos_search - (paths.sz, paths.paths, &opts, - e, terms, NULL, &ressz, &res, list); - - terms = 1; - - if (0 == rc) { - fprintf(stderr, "%s: Bad database\n", progname); - goto out; - } else if ( ! isatty(STDOUT_FILENO) || EMPTYSET(res, ressz)) - goto out; - - if ( ! SINGLETON(res, ressz)) { - printf("Which manpage would you like [1]? "); - fflush(stdout); - if (NULL != (cp = fgetln(stdin, &sz)) && - sz > 1 && '\n' == cp[--sz]) { - if ((ch = atoi(cp)) <= 0) - goto out; - terms = (size_t)ch; - } - } - - if (--terms < ressz && res[terms].matched) { - chdir(paths.paths[res[terms].volume]); - strlcpy(path, res[terms].file, PATH_MAX); - usecat = RESTYPE_CAT == res[terms].type; - } -out: + ch = mansearch(&paths, arch, sec, argc, argv, &res, &sz); manpath_free(&paths); - resfree(res, ressz); - exprfree(e); - if ('\0' == path[0]) - return(rc ? EXIT_SUCCESS : EXIT_FAILURE); + if (0 == ch) + goto usage; - if (-1 == pipe(fds)) { - perror(NULL); - exit(EXIT_FAILURE); + for (i = 0; i < sz; i++) { + printf("%s - %s\n", res[i].file, res[i].desc); + free(res[i].desc); } - if (-1 == (pid = fork())) { - perror(NULL); - exit(EXIT_FAILURE); - } else if (pid > 0) { - dup2(fds[0], STDIN_FILENO); - close(fds[1]); - prog = NULL != getenv("MANPAGER") ? - getenv("MANPAGER") : - (NULL != getenv("PAGER") ? - getenv("PAGER") : "more"); - execlp(prog, prog, (char *)NULL); - perror(prog); - return(EXIT_FAILURE); - } - - dup2(fds[1], STDOUT_FILENO); - close(fds[0]); - prog = usecat ? "cat" : "mandoc"; - execlp(prog, prog, path, (char *)NULL); - perror(prog); + free(res); + return(sz ? EXIT_SUCCESS : EXIT_FAILURE); +usage: + fprintf(stderr, "usage: %s [-C conf] " + "[-M paths] " + "[-m paths] " + "[-S arch] " + "[-s section] " + "expr ...\n", + progname); return(EXIT_FAILURE); } - -/* ARGSUSED */ -static void -list(struct res *res, size_t sz, void *arg) -{ - size_t i; - - qsort(res, sz, sizeof(struct res), cmp); - - if (EMPTYSET(res, sz) || SINGLETON(res, sz)) - return; - - if ( ! isatty(STDOUT_FILENO)) - for (i = 0; i < sz && res[i].matched; i++) - printf("%s(%s%s%s) - %.70s\n", - res[i].title, res[i].cat, - *res[i].arch ? "/" : "", - *res[i].arch ? res[i].arch : "", - res[i].desc); - else - for (i = 0; i < sz && res[i].matched; i++) - printf("[%zu] %s(%s%s%s) - %.70s\n", i + 1, - res[i].title, res[i].cat, - *res[i].arch ? "/" : "", - *res[i].arch ? res[i].arch : "", - res[i].desc); -} - -static int -cmp(const void *p1, const void *p2) -{ - const struct res *r1 = p1; - const struct res *r2 = p2; - - if (0 == r1->matched) - return(1); - else if (0 == r2->matched) - return(1); - - return(strcasecmp(r1->title, r2->title)); -} - -static void -usage(void) -{ - - fprintf(stderr, "usage: %s " - "[-C file] " - "[-M manpath] " - "[-m manpath] " - "[-S arch] " - "[-s section] " - "expression ...\n", - progname); -} |