70,020
社区成员
发帖
与我相关
我的任务
分享fread 读文件为什么返回为0
if ((*rows) != fread((*image), (*cols),(*rows), fp))
{
......
}
{
......
}
...全文
请发表友善的回复…
发表回复
AnYidan 2011-07-21
- 打赏
- 举报
size_t fread(void *ptr, size_t size, size_t nobj, FILE *stream)
fread reads from stream into the array ptr at most nobj objects of size size. fread returns the number of objects read; this may be less than the number requested. feof and ferror must be used to determine status.
fread reads from stream into the array ptr at most nobj objects of size size. fread returns the number of objects read; this may be less than the number requested. feof and ferror must be used to determine status.
sea_spray 2011-07-20
- 打赏
- 举报
对啊，楼主应该把文件指针指到文件开头的。
kevin_zlg 2011-07-20
- 打赏
- 举报
那就是已经到文件末了，估计楼主文件指针忘记设置了
MSOKD 2011-07-20
- 打赏
- 举报
返回0就成功啦
