42 lines
603 B
Markdown
42 lines
603 B
Markdown
# extract_file_ext.c
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Get the file extension from a given file path.
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---
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## Includes
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```c
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#include <string.h>
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#include "utils.h"
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```
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---
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## Function Description
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### `extract_file_ext`
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Get the file extension from a given file path.
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#### Parameter
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- `path`: The file path string.
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#### Return Value
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Returns a pointer to the file extension within the path string, or `NULL` if
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no extension is found.
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#### Implementation
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```c
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const char *
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extract_file_ext(const char *path)
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{
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const char *dot;
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dot = strrchr(path, '.');
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if (NULL == dot || dot == path)
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return (NULL);
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return (dot + 1);
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}
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```
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