test_realpath.c

/* **
Got this error on OS X 10.6 with "/": {{{
  $ ./a.out /
  Query on: (0x7fff5fbff980) [/]
  Get realpath: (0x7fff5fbfd620) [/]
  a.out(348) malloc: *** error for object 0x7fff5fbfd620: pointer being freed was not allocated
  *** set a breakpoint in malloc_error_break to debug
  Abort trap
}}}

It would be fine with "/tmp/../": {{{
  $ ./a.out /tmp/../
  Query on: (0x7fff5fbff970) [/tmp/../]
  Get realpath: (0x100100080) [/private]
  Finished.
}}}

** */

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

int main(int argc, char *argv[])
{
	char *path_to_query;
	char *result;

	if(argc < 2)
	{
		printf("Argument: [PATH]\n\n");
		return 1;
	}

	result = NULL;
	path_to_query = argv[1];

	printf("Query on: (%p) [%s]\n", path_to_query, path_to_query);

	if(NULL == (result = realpath(path_to_query, NULL)))
	{
		perror("cannot have realpath");
		return 2;
	}

	printf("Get realpath: (%p) [%s]\n", result, result);

	free(result);

	printf("Finished.\n");

	return 0;
}

/*
vim: ts=4 sw=4 ai nowrap
*/