libecho.c

/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 * libecho.c
 *
 * For each argument on the command line, echo it.  Should expand
 * DOS wildcards correctly.
 *
 * Syntax: libecho [-p prefix] list...
 */
#include <stdio.h>
#include <io.h>
#include <string.h>

void echo_files(char *, char *);

int
main(int argc, char *argv[])
{
    int i;
    char *prefix;

    prefix = "";

    if (argc < 2) {
        fprintf(stderr, "Usage:  libecho [-p prefix] list...\n");
        return 1;
    }

    for (i = 1 ; i < argc ; i++)
        if (!stricmp(argv[i], "-p"))
            prefix = argv[++i];
        else
            echo_files(prefix, argv[i]);

    return 0;
}

void
echo_files(char *prefix, char *f)
{
    intptr_t ff;
    struct _finddata_t fdt;
    char *slash;
    char filepath[256];

    /*
     * We're unix based quite a bit here.  Look for normal slashes and
     * make them reverse slashes.
     */
    while((slash = strrchr(f, '/')) != NULL)
        *slash = '\\';

    strcpy(filepath, f);

    slash = strrchr(filepath, '\\');

    if (slash) {
        slash++;
        *slash = 0;
    } else {
        filepath[0] = '\0';
    }

    ff = _findfirst(f, &fdt);

    if (ff < 0)
        return;

    printf("%s%s%s\n", prefix, filepath, fdt.name);

    for (;;) {
        if (_findnext(ff, &fdt) < 0)
            break;
        printf("%s%s%s\n", prefix, filepath, fdt.name);
    }
    _findclose(ff);
}