使用Ufun的CFI函数直接判断文件夹和文件等操作

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在进行相关文件和文件路径判断时候，ufun提供了内置的方法。
UC4560 通过设置第二个 参数为 100 可以判断文件夹，通过设置 为 0 可以查找文件。




! a: e2 p- p- f( y( @& Uuc4560 (view source)

' w* E3 b; Y( z& E) [# M# Q0 NDefined in: uf_cfi.h
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Overview
  ?( x$ O6 ~8 B5 k5 {: o
) F$ n1 _& J# sChecks whether the specified file of the given type exists.
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NOTE: Mixed or upper case file names may not be found if the
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Passing an ftype of 0 will look for a file but does not work for a directory.
5 Q8 t% z) B" U, ?( gTo check for a directory the ftype must be set to 100.
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Return

# z: V1 @! w9 S6 R4 V1 U# M$ w: |- FReturn code:
, l4 c' A8 E3 K- d6 G/ v< 0 = Error
= 0 = File Exists
  E9 t+ k4 B$ }+ V= 1 = File Does Not Exist
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Internal and External

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See Also
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* M5 A! `0 I( H. V2 R( V* hFor description of file types see table
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Required License(s)

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int uc4560
(
const char * fspec,
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)
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const char *	fspec	Input	File to check
int	ftype	Input	File type ' R" \# ^# D1 E1 r7 j0 will check for files * j8 Q" t; F( s% p8 \100 will check for directories

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6 M! D/ G& Y& [' c1 V& Z查找文件也可以通过UF_CFI_ask_file_exist
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UF_CFI_ask_file_exist (view source)
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Defined in: uf_cfi.h
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Overview

! A* ]6 V( Y7 s2 zTest if a file exists.

Note: This function only works with files - not directories. To check if a
directory exists use uc4560 and pass a file type of 100.

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Return
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; e2 B( y7 |) X5 U+ I0 - No error
Otherwise - Error Code


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Originally released in V16.0
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int UF_CFI_ask_file_exist
(
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int * status
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)
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const char *	file_spec	Input	The file to check
int *	status	Output	File existence status. 0 - file exists ! O5 r% z: c5 x- N+ Y1 - file does not exist