🦄 refactor(C13, C14, C115): 更新了linux系统开发部分的结构

This commit is contained in:
lzy
2024-05-16 20:36:01 +08:00
parent cb969dfd41
commit 60d670d130
53 changed files with 1407 additions and 1246 deletions

41
C14-文件系统/flen.c Normal file
View File

@@ -0,0 +1,41 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
// !!! 不是int
static off_t flen(char *fname)
{
struct stat statres;
if (stat(fname, &statres) < 0)
{
perror("stat()");
exit(1);
}
return statres.st_size;
}
/**
* @brief 获取文件大小
* @details
* Usage: ./flen filename
*
* @param argc
* @param argv
* @return int
*/
int main(int argc, char **argv)
{
if (argc < 2)
{
fprintf(stderr, "Usage:...\n");
exit(1);
}
// !!! 通过makefile指定off_t 64位
printf("%lld\n", flen(argv[1]));
exit(0);
}