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util: introduce strnpcpy_full() and friends to provide whether result is truncated or not

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Yu Watanabe
2021-12-25 15:12:45 +09:00
parent 2588920059
commit e70151c94d
2 changed files with 74 additions and 26 deletions
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src/basic/strxcpyx.h
+26 -7
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@@ -1,14 +1,33 @@
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include "macro.h"
size_t strnpcpy(char **dest, size_t size, const char *src, size_t len);
size_t strpcpy(char **dest, size_t size, const char *src);
size_t strpcpyf(char **dest, size_t size, const char *src, ...) _printf_(3, 4);
size_t strpcpyl(char **dest, size_t size, const char *src, ...) _sentinel_;
size_t strnscpy(char *dest, size_t size, const char *src, size_t len);
size_t strscpy(char *dest, size_t size, const char *src);
size_t strscpyl(char *dest, size_t size, const char *src, ...) _sentinel_;
size_t strnpcpy_full(char **dest, size_t size, const char *src, size_t len, bool *ret_truncated);
static inline size_t strnpcpy(char **dest, size_t size, const char *src, size_t len) {
return strnpcpy_full(dest, size, src, len, NULL);
}
size_t strpcpy_full(char **dest, size_t size, const char *src, bool *ret_truncated);
static inline size_t strpcpy(char **dest, size_t size, const char *src) {
return strpcpy_full(dest, size, src, NULL);
}
size_t strpcpyf_full(char **dest, size_t size, bool *ret_truncated, const char *src, ...) _printf_(4, 5);
#define strpcpyf(dest, size, src, ...) \
strpcpyf_full((dest), (size), NULL, (src), ##__VA_ARGS__)
size_t strpcpyl_full(char **dest, size_t size, bool *ret_truncated, const char *src, ...) _sentinel_;
#define strpcpyl(dest, size, src, ...) \
strpcpyl_full((dest), (size), NULL, (src), ##__VA_ARGS__)
size_t strnscpy_full(char *dest, size_t size, const char *src, size_t len, bool *ret_truncated);
static inline size_t strnscpy(char *dest, size_t size, const char *src, size_t len) {
return strnscpy_full(dest, size, src, len, NULL);
}
size_t strscpy_full(char *dest, size_t size, const char *src, bool *ret_truncated);
static inline size_t strscpy(char *dest, size_t size, const char *src) {
return strscpy_full(dest, size, src, NULL);
}
size_t strscpyl_full(char *dest, size_t size, bool *ret_truncated, const char *src, ...) _sentinel_;
#define strscpyl(dest, size, src, ...) \
strscpyl_full(dest, size, NULL, src, ##__VA_ARGS__)