文件编程-create

#include <stdio.h>

#include <stdlib.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

void create_file(char * filename)

{

/*创建的文件具有可读可写的属性*/

if( creat(filename,0666)<0 )

{

printf("create file %s failure !\n",filename);

exit(EXIT_FAILURE);

}

else

{

printf("create file %s success!\n",filename);

}

}

int main(int argc,char *argv[])

{

/*判断入参有没有传入文件名*/

if(argc < 2)

{

perror("you haven't input th filename,please try again1\n");

exit(EXIT_FAILURE);

}

create_file(argv[1]);

return 0;

}

/*

*新创建的文件也要符合umask要求

*/