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has quotation marks, then by default cmd will from time to time strip off These quotations, and /s tells it to go away them alone.

Utilizing %s in scanf with out an explcit area width opens the exact same buffer overflow exploit that gets did; specifically, if you will find far more people while in the enter stream when compared to the focus on buffer is sized to carry, scanf will Fortunately create Those people further figures to memory outside the buffer, likely clobbering anything important. Regrettably, compared with in printf, you can't provide the sector with for a operate time argument:

@Ben Here is an example of outter estimates, discover that /S does practically nothing in that predicament Check out it pastebin.com/Uncooked.

Receive badges by enhancing or asking inquiries in Staging Floor. See new badges What does %s and %d mean in printf from the C language? [shut]

char character; // merely a char one letter/from the ascii map character = 'a'; // assign 'a' to character

The real difference lies in how it get's dealt with. For those who would have a bunch of (such as) 3 spaces right following each other s+ normally takes that team and turns The complete it right into a "", even though s would proces each and every House By itself.

The %s token allows me to insert (and most likely structure) a string. Discover that the %s token is changed by whatever I go to your string following the % symbol.

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All equipment dependent code is prepared in assembly language.The assembly language differs for various processors.

Has any mass protest from the United states immediately after 1945 effectively pressured the government to vary its final decision depending on the protesters' demands? much more warm concerns

The width isn't specified in the structure string, but as yet another integer value argument preceding the argument that needs to be formatted.

@barlop, the point of /S is if you do not know upfront if the command has embedded quotations or not. If you will discover accurately two offers over the command line it truly is treated in different ways by default if there are specifically two estimate figures than if you'll find a lot more or much less. /S causes it to be be addressed the exact same. It is documented: Just style "enable cmd" to the command line.

For starters you must understand that remaining output of both equally the statements is going to be identical i.e. to eliminate every one of the spaces from supplied string.

So When you have a complicated command which you wish to move to CMD.exe you both have to keep in mind CMD's argument quoting procedures, and properly escape each of the rates, or use /S, which triggers a Exclusive non-parsing rule of "Strip to website start with and previous " and take care of all other figures because the command to execute unchanged".

This is probably more likely to be attractive in the state of affairs from the question Michael Burr connected to, exactly where cmd.exe is getting launched by CreateProcess rather than from the batch file or perhaps the command line itself..

exe arg1 arg2 over the method; so it looks like opting from estimate elimination working with /s would actually break issues. (In true actuality, however, it does not break things: cmd /s /c "foo.exe arg1 arg2" functions just wonderful.)