elks-enhanced - XT-Emporium

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#include <stdio.h>
#include <string.h>

#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif

static char include[] = "#include";
static char nameline[1024];
static int Recurse = FALSE;
static int Tree = FALSE;
extern int optind;

void scanfile(char *parentname, char *filename, int indent)
{
    FILE *fp;
    char buf[512], *name_p, *end_p, *str_p;

    fp = fopen(filename, "r");
    if (fp == NULL) {
	if (parentname)
	    fprintf(stderr, "%s: Cannot open %s\n", parentname, filename);
	else
	    fprintf(stderr, "Cannot open %s\n", filename);
	return;
    }

    while (fgets(buf, 512, fp) != NULL) {
	if (strncmp(buf, include, sizeof(include) - 1) != 0)
	    continue;
	if ((name_p = strchr(buf, '\"')) == NULL)
	    continue;
	name_p++;		/* skip quote */
	if ((end_p = strchr(name_p, '\"')) == NULL)
	    continue;
	*end_p = '\0';
	if (Tree) {
	    int i = 0;

	    while (i++ < indent)
		printf("\t");
	}

	if ((str_p = strstr(nameline, name_p)) != NULL && str_p[-1] == ' ') {
	    if (Tree) {
		printf("***\t%s\n", name_p);
	    }
	} else {
	    if (Tree) {
		printf("\t%s\n", name_p);
	    }
	    strcat(nameline, " ");
	    strcat(nameline, name_p);

	    if (Recurse)
		scanfile(filename, name_p, indent + 1);
	}
    }
    fclose(fp);
}

int main(int argc, char **argv)
{
    char buf[12], *cp;
    int c;

    while ((c = getopt(argc, argv, "rt")) != EOF) {
	switch (c) {
	case 't':
	    Tree = TRUE;
	case 'r':
	    Recurse = TRUE;
	    break;
	}
    }

    for (; optind < argc; optind++) {
	nameline[0] = '\0';
	if (Tree) {
	    printf("%s\n", argv[optind]);
	} else {
	    strcpy(buf, argv[optind]);
	    if ((cp = strchr(buf, '.')) == NULL)
		continue;
	    *cp = '\0';
	    printf("%s.o: %s", buf, argv[optind]);
	}
	scanfile(NULL, argv[optind], 0);
	if (!Tree)
	    printf("%s\n", nameline);
    }
    return 0;
}

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