path.c

来自「sco unix下c语言开发工具库」· C语言 代码 · 共 31 行

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

#include	"mytools.h"


char	* filename = NULL;



char	* getfname ( env, fname )
char	* env;
char	* fname;
{

char	* workdir;

	if ( env == NULL || fname == NULL )	return ( NULL );
		
	if ( filename == NULL )
		filename = ( char * ) malloc ( ( size_t ) L_PATH );

	if ( filename == NULL )	return ( NULL );

	if ( ( workdir = getenv ( env ) ) == NULL )	return ( NULL );

	sprintf ( filename, "%s%s", workdir, fname );
	
	return ( filename );
}