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53 lines
1.2 KiB
Markdown
53 lines
1.2 KiB
Markdown
## Name
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basename - extract file name from a path
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## Synopsis
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```**c++
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#include <libgen.h>
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char* basename(char* path);
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```
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## Description
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Given a file path, `basename()` returns that file's name. `basename()` works
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purely lexically, meaning it only manipulates the path as a string, and does
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not check if such a file actually exists.
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A call to `basename()` may reuse and modify the passed in `path` buffer. Do not
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expect it to have the same value after calling `basename()`.
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## Return value
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`basename()` returns the file name as a string. This string may be allocated
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in static memory, or it may point to some part of the original `path` buffer.
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Do not `free()` the returned string, and do not `free()` the original `path`
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buffer while using the returned string.
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## Examples
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```c++
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#include <AK/LogStream.h>
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#include <libgen.h>
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int main()
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{
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char path1[] = "/home/anon/README.md";
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dbgln("{}", basename(path1)); // should be "README.md"
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char path2[] = "foo/bar/";
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dbgln("{}", basename(path2)); // should be "bar"
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char path3[] = "foo";
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dbgln("{}", basename(path3)); // should be "foo"
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char path4[] = "/";
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dbgln("{}", basename(path4)); // should be "/"
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}
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```
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## See also
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* [`dirname`(3)](help://man/3/dirname)
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