161 lines
3.7 KiB
C
161 lines
3.7 KiB
C
#include "global.h"
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#include "build.h"
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#include "vp.h"
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#include "version.h" /* FILEVERSION and FIXVERSION */
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#include <stdlib.h> /* atoi */
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#include <getopt.h>
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bool remove_symfile_onexit = false;
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bool onesearch; /* one search only in line mode */
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char *reflines; /* symbol reference lines file */
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char **parse_options(int *argc, char **argv) {
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int opt;
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int longind;
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char path[PATHLEN + 1]; /* file path */
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char *s;
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int argcc = *argc;
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struct option lopts[] = {
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{"help", 0, NULL, 'h'},
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{"version", 0, NULL, 'V'},
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{0, 0, 0, 0 }
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};
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while((opt = getopt_long(argcc,
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argv,
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"hVbcCdeF:f:I:i:kLl0:1:2:3:4:5:6:7:8:9:P:p:qRs:TUuvX",
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lopts,
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&longind)) != -1) {
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switch(opt) {
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case '?':
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usage();
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myexit(1);
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break;
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case 'X':
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remove_symfile_onexit = true;
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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/* The input fields numbers for line mode operation */
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field = opt - '0';
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if(strlen(optarg) > PATHLEN) {
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postfatal("\
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cscope: pattern too long, cannot be > \
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%d characters\n",
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PATLEN);
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}
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strcpy(input_line, optarg);
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break;
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case 'b': /* only build the cross-reference */
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buildonly = true;
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linemode = true;
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break;
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case 'c': /* ASCII characters only in crossref */
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compress = false;
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break;
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case 'C': /* turn on caseless mode for symbol searches */
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caseless = true;
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egrepcaseless(caseless); /* simulate egrep -i flag */
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break;
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case 'd': /* consider crossref up-to-date */
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isuptodate = true;
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break;
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case 'e': /* suppress ^E prompt between files */
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editallprompt = false;
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break;
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case 'h':
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longusage();
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myexit(1);
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break;
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case 'k': /* ignore DFLT_INCDIR */
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kernelmode = true;
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break;
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case 'L':
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onesearch = true;
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/* FALLTHROUGH */
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case 'l':
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linemode = true;
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break;
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case 'v':
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verbosemode = true;
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break;
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case 'V':
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fprintf(stderr, PROGRAM_NAME ": version %d%s\n", FILEVERSION, FIXVERSION);
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myexit(0);
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break;
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case 'q': /* quick search */
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invertedindex = true;
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break;
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case 'T': /* truncate symbols to 8 characters */
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trun_syms = true;
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break;
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case 'u': /* unconditionally build the cross-reference */
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unconditional = true;
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break;
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case 'U': /* assume some files have changed */
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fileschanged = true;
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break;
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case 'R':
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recurse_dir = true;
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break;
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case 'f': /* alternate cross-reference file */
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reffile = optarg;
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if(strlen(reffile) > sizeof(path) - 3) {
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postfatal("\
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cscope: reffile too long, cannot \
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be > %d characters\n",
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sizeof(path) - 3);
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/* NOTREACHED */
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}
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strcpy(path, reffile);
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s = path + strlen(path);
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strcpy(s, ".in");
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/*coverity[overwrite_var]*/
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invname = strdup(path);
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strcpy(s, ".po");
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/*coverity[overwrite_var]*/
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invpost = strdup(path);
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break;
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case 'F': /* symbol reference lines file */
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reflines = optarg;
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break;
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case 'i': /* file containing file names */
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namefile = optarg;
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break;
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case 'I': /* #include file directory */
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includedir(optarg);
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break;
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case 'p': /* file path components to display */
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dispcomponents = atoi(optarg);
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break;
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case 'P': /* prepend path to file names */
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prependpath = optarg;
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break;
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case 's': /* additional source file directory */
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sourcedir(optarg);
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break;
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}
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}
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/*
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* This adjusts argv so that we only see the remaining
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* args. Its ugly, but we need to do it so that the rest
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* of the main routine doesn't get all confused
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*/
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*argc = *argc - optind;
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return argv + optind;
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}
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