String tokenization in C
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String tokenization in C
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Re: String tokenization in C
#2Well, yes, using strtok works if the data happens to be structured in a certain simple way.
Very often you want to do something more advanced though, and using regex for matching tokens is then necessary.
Re: String tokenization in C
#3It used to be that gcc will warn against strtok and recommend strsep instead. Do not know what the status is today
Re: String tokenization in C
#4It used to be that gcc will warn against strtok and recommend strsep instead. Do not know what the status is today
Strtok is not thread safe and can’t be made thread safe without changing the API. You should not use it.
Re: String tokenization in C
#5It used to be that gcc will warn against strtok and recommend strsep instead. Do not know what the status is today
Strtok is not thread safe and can’t be made thread safe without changing the API. You should not use it.
> Strtok is not thread safe and can’t be made thread safe without changing the API. You should not use it.
Well, there is already a thread-safe variant [0]: > The strtok() function uses a static buffer while parsing, so it's not thread safe. Use strtok_r() if this matters to you.
Re: String tokenization in C
#6Note though that strsep() is not as portable, because it is an extension to standard C.
Re: String tokenization in C
#7It used to be that gcc will warn against strtok and recommend strsep instead. Do not know what the status is today
[deleted]
Re: String tokenization in C
#8I just use flex. You don’t have to ship flex as a dependency either.
Re: String tokenization in C
#9Note though that strsep() is not as portable, because it is an extension to standard C.
In fact, it's not even in POSIX.
Re: String tokenization in C
#10Note though that strsep() is not as portable, because it is an extension to standard C.
In fact, it's not even in POSIX .
To quote the GNU C library manual: “This function was introduced in 4.3BSD and therefore is widely available.”¹
1. https://www.gnu.org/software/libc/manual/html_node/Finding-T...