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sys/vfs_util: add vfs_file_exists()

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Benjamin Valentin 2024-05-06 15:43:50 +02:00
parent 469c919969
commit 9c4ca01e24
2 changed files with 23 additions and 0 deletions
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12
sys/include/vfs_util.h
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@ -20,6 +20,9 @@
#ifndef VFS_UTIL_H #ifndef VFS_UTIL_H
#define VFS_UTIL_H #define VFS_UTIL_H
#include <stdbool.h>
#include <stddef.h>
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
@ -115,6 +118,15 @@ int vfs_file_sha256(const char* file, void *digest,
*/ */
int vfs_is_dir(const char *path); int vfs_is_dir(const char *path);
/**
@brief Checks if @p path is a file and can be read.
*
* @param[in] path Path to check
*
* @return true if the file exists, false otherwise
*/
bool vfs_file_exists(const char *path);
/** /**
* @brief Behaves like `rm -r @p root`. * @brief Behaves like `rm -r @p root`.
* *

11
sys/vfs_util/vfs_util.c
View File

@ -171,6 +171,17 @@ int vfs_is_dir(const char *path)
return ((stat.st_mode & S_IFMT) == S_IFDIR); return ((stat.st_mode & S_IFMT) == S_IFDIR);
} }
bool vfs_file_exists(const char *path)
{
int res = vfs_open(path, O_RDONLY, 0);
if (res < 0) {
return false;
}
vfs_close(res);
return true;
}
/** /**
* @brief Removes additional "/" slashes from @p path * @brief Removes additional "/" slashes from @p path
* *