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Subject: Re: Creating directories without permissions and timestamp on CYGWIN
To: cygwin AT cygwin DOT com
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Date: Sun, 19 Jul 2020 22:54:54 +0200
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From: Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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On 19.07.2020 21:34, Jayasurya p via Cygwin wrote:
> This was run on CYGWIN_NT-10.0 NVEBLODKIF 3.1.5(0.340/5/3) 2020-06-01 08:59
> x86_64 Cygwin
> 
> Creating a directory using mkdir API on C with 0777 permissions with the
> name having the following ASCII values causes the directory to be created
> with no user permissions and no timestamp. Length of the name is 66
> character long including the terminating NULL character.
> ASCII values of characters in the string: 96 234 195 186 63 63 50 109 4 84
> 208 246 186 170 197 33 131 113 134 209 109 251 98 226 179 93 178 32 242 189
> 236 88 14 107 134 133 93 126 210 61 194 27 209 172 244 15 12 222 9 93 10
> 149 10 235 157 42 114 125 198 182 96 240 171 164 106 0
> 
> Unit test case to replicate the scenario
> 
> #include <stdio.h>
> #include <sys/stat.h>
> #include <sys/types.h>
> 
> int main () {
> char tempPath[66] = {96, 234, 195, 186, 63, 63, 50, 109, 4, 84, 208, 246,
> 186, 170, 197, 33, 131, 113, 134, 209, 109, 251, 98, 226, 179, 93, 178, 32,
> 242, 189, 236, 88, 14, 107, 134, 133, 93, 126, 210, 61, 194, 27, 209, 172,
> 244, 15, 12, 222, 9, 93, 10, 149, 10, 235, 157, 42, 114, 125, 198, 182, 96,
> 240, 171, 164, 106, 0};
> mkdir(tempPath, 0777);
> return 1;
> }
> 

what encoding is supposed to be ?
I doubt a file name can accept a linefeed (10)

Marco



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