simple shim (not really) executable for logging arguments

exeshim.c

/*
 * simple replacement executable for logging arguments
 */

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

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

	if (argc <= 1)
		return 0;

	outfname = malloc(strlen(argv[0]) + 5);
	sprintf(outfname, "%s.args", argv[0]);

	FILE *f = fopen(outfname, "w");
	if (! f)
		return 2;

	for (i = 0; i < argc; i++) 
		fprintf(f, "%s\n", argv[i]);

	fclose(f);

	return 0;
}