我在软呢帽上试过这个密码,但是

No such file or directory

和

Permission denied

错误。

如何处理错误并继续扫描文件系统?

ftw()从路径开始

/

#define _XOPEN_SOURCE 500

#include

#include

#include

FILE * output;

static int display_info(const char * fpath, const struct stat * st, int tflag)

{

switch(tflag){

case FTW_F://ok, file

break;

case FTW_D://ok, directory

break;

case FTW_SL://symlink

return -1;

case FTW_NS://stat failed

return -1;

case FTW_DNR://read failed

return -1;

}

fprintf(output, fpath);

fprintf(output, "\n");

return 0;

}

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

{

time_t t0;

time(&t0);

output = fopen("/home/sad/output.txt", "w");

if(argc < 2){

printf("Usage: %s [path]\n", argv[0]);

return -1;

}

if(ftw(argv[1], display_info, 99) == -1){

perror("???ftw()");

return -1;

}

fclose(output);

time_t t1;

time(&t1);

printf("%.3f seconds\n", difftime(t1, t0));

return 0;

}