femgen.c File Reference

#include "mbconfig.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ac/f2c.h"

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Functions
int	femgen (char outname[73], int32_t *iimd, int32_t *iimv, int32_t *idxm)
static void	usage (FILE *outf, int rc)
int	main (int argc, char *argv[])

Function Documentation

int femgen	(	char	outname[73],
		int32_t *	iimd,
		int32_t *	iimv,
		int32_t *	idxm
	)

Referenced by main().

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 59 of file femgen.c.

References femgen(), getopt(), optarg, optind, and usage().

{
        char outname[73] = { ' ' };

        int32_t iimd = 1, iimv = 1, idxm = 0;

        for (;;) {
                int opt = getopt(argc, argv, "dhm:o:");
                if (opt == -1) {
                        break;
                }

                switch (opt) {
                case 'd':
                        iimd = 0;
                        iimv = 0;
                        break;

                case '?':
                case 'h':
                        usage(stdout, EXIT_SUCCESS);

                case 'm':
                        if (optarg[1] != '\0') {
                                usage(stderr, EXIT_FAILURE);
                        }

                        switch (optarg[0]) {
                        case 'c':
                                idxm = -1;
                                break;

                        case 'x':
                                idxm = 1;
                                break;

                        case 'y':
                                idxm = 2;
                                break;

                        case 'z':
                                idxm = 3;
                                break;

                        default:
                                fprintf(stderr, "femgen: unhandled parameter '%c' for option '-m'\n", optarg[0]);
                                usage(stderr, EXIT_FAILURE);
                        }
                        break;

                case 'o': {
                        size_t len = strlen(optarg);
                        if (len >= sizeof(outname)) {
                                fprintf(stderr, "femgen: output file name '%s' too long; trim to 72 bytes or less\n", optarg);
                                exit(EXIT_FAILURE);
                        }

                        strncpy(outname, optarg, len + 1);
                        } break;

                default:
                        fprintf(stderr, "femgen: unhandled option '%c'\n", opt);
                        usage(stderr, EXIT_FAILURE);
                }
        }

        if (optind < argc) {
                if (outname[0] != ' ') {
                        fprintf(stderr, "femgen: output file name already set using '-o' option\n");
                        exit(EXIT_FAILURE);

                } else {
                        size_t len = strlen(argv[optind]);
                        if (len >= sizeof(outname)) {
                                fprintf(stderr, "femgen: output file name '%s' too long; trim to 72 bytes or less\n", argv[optind]);
                                exit(EXIT_FAILURE);
                        }

                        strncpy(outname, argv[optind], len + 1);
                        optind++;
                }
        }

        if (optind < argc) {
                fprintf(stderr, "femgen: extra args ignored\n");
        }

        return __FC_DECL__(femgen)(outname, &iimd, &iimv, &idxm);
}

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static void usage ( FILE *  outf, int  rc  )

static

Definition at line 44 of file femgen.c.

Referenced by main().

{
        fprintf(outf,
"usage: femgen [-hd] [-m {cxyz}] [[-o] <outfile>]\n"
"\t-d\t\tno initial modal displacements/velocities\n"
"\t-h\t\tthis message\n"
"\t-m <idx>\tindex of \"mass\" component to be used\n"
"\t\t\t('x', 'y', 'z'; 'c' to check consistency)\n"
"\t-o <outfile>\toutput file name (up to 72 characters long)\n"
                );
        exit(rc);

}