mirror of
https://github.com/GnoConsortium/gno.git
synced 2024-05-29 02:41:28 +00:00
73ce022151
original makewhatis repository. Earlier versions of man, apropos, and whatis were by other authors (these are written from scratch). Catman is new.
111 lines
2.5 KiB
C
111 lines
2.5 KiB
C
/*
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* Copyright 1995 by Devin Reade <gdr@myrias.com>. For distribution
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* information see the README file that is part of the manpack archive,
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* or contact the author, above.
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*/
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segment "apropos___";
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#include <stdio.h>
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#include <getopt.h>
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#include <stdlib.h>
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#include <libc.h>
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#include "util.h"
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#include "man.h"
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extern int optind;
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extern char *optarg;
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static char *versionstr = "3.0";
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static char *nothing = "nothing appropriate";
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extern void begin_stack_check(void);
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extern int end_stack_check(void);
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int main (int argc, char **argv) {
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char *path;
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int i, matches1, matches2, matches3;
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short V_flag, M_flag, m_flag, n_flag, err_flag;
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/* make sure Gno is running */
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if (needsgno()==0) {
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fprintf(stderr,"Requires Gno/ME\n");
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return 1;
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}
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#ifdef STACK_CHECK
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begin_stack_check();
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#endif
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/* initialization */
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V_flag = M_flag = m_flag = n_flag = err_flag = 0;
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matches1 = matches2 = matches3 = 0;
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/* parse command line and check usage */
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while((i = getopt(argc,argv,"M:m:nV")) != EOF) {
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switch(i) {
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case 'M':
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if (m_flag) err_flag++;
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M_flag++;
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path = optarg;
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break;
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case 'm':
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if (M_flag) err_flag++;
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m_flag++;
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path = optarg;
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break;
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case 'n':
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n_flag++;
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break;
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case 'V':
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V_flag++;
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break;
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default:
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err_flag++;
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}
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}
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if (argc-optind < 1) err_flag++;
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if (err_flag || V_flag) {
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fprintf(stderr,"%s version %s by Devin Reade\n",
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basename(argv[0]),versionstr);
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}
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if (err_flag) {
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fprintf(stderr,
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"Usage: %s [[-M path] | [-m path]] [-nV] keyword [keyword ...]\n",
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basename(argv[0]));
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return 1;
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}
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/* do the search */
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if (M_flag) {
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manpath = path;
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} else {
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manpath = getManpath();
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}
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matches1 = apropos(argc-optind, &argv[optind], WHATIS_MODE);
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if (!M_flag) free(manpath);
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if (m_flag) {
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manpath = path;
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matches2 = apropos(argc-optind, &argv[optind], WHATIS_MODE);
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}
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if (!n_flag) {
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matches3 = apropos(argc-optind, &argv[optind], ORCA_W_MODE);
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}
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i = 0;
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if (matches1>0) i+= matches1;
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if ( m_flag && matches2>0) i+=matches2;
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if (!n_flag && matches3>0) i+=matches3;
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if (i==0) {
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fprintf(stderr,"%s: %s\n",basename(argv[0]),nothing);
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}
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#ifdef STACK_CHECK
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fprintf(stderr,"stack usage: %d bytes\n",end_stack_check());
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#endif
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if ((matches1>=0) && (matches2>=0) && (matches3>=0) && i>0) return 0;
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return 1;
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}
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