random alphanumeric generator

[kushal bhattacharya]

actuially i have been using srand and rand to generate random alphanumeric number but didn't get the desired output   some strings were repeated at a regular time whihc is not what i want i want a totally unique string at every output of the program.Please do share a sample code which give the accurate solution to this problem.
Thanks,
Kushal

[kushal bhattacharya]

reference to a library may also help me a lot :) actually what i want to generate  unique random alphanumeric string at every output of the program basically this random string wil be used as client id in mqtt CONNECT  packet.hope i can explain the scenarion now.

[Patrice Roy]

This question would probably be better suited for Stack Overflow or something similar. Good luck.

2016-11-18 4:59 GMT-05:00 kushal bhattacharya <bhattachar...@gmail.com>:

reference to a library may also help me a lot :) actually what i want to generate  unique random alphanumeric string at every output of the program basically this random string wil be used as client id in mqtt CONNECT  packet.hope i can explain the scenarion now.

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[Brittany Friedman]

This question is outside the scope of this mailing list, however, I'd recommend using a guid. On windows you can use UuidCreate or try a cross-platform solution like boost uuid.

On Fri, Nov 18, 2016 at 1:19 PM, Patrice Roy <patr...@gmail.com> wrote:

This question would probably be better suited for Stack Overflow or something similar. Good luck.