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env-file: rework write_env_file() to make use of O_TMPFILE

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This commit is contained in:
Lennart Poettering
2025-05-22 02:50:48 +09:00
committed by Yu Watanabe
parent dfc9fd0147
commit c450027d14
3 changed files with 24 additions and 15 deletions
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src/basic/tmpfile-util.h
+8 -2
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@@ -29,7 +29,10 @@ int open_tmpfile_linkable_at(int dir_fd, const char *target, int flags, char **r
static inline int open_tmpfile_linkable(const char *target, int flags, char **ret_path) {
return open_tmpfile_linkable_at(AT_FDCWD, target, flags, ret_path);
}
int fopen_tmpfile_linkable(const char *target, int flags, char **ret_path, FILE **ret_file);
int fopen_tmpfile_linkable_at(int dir_fd, const char *target, int flags, char **ret_path, FILE **ret_file);
static inline int fopen_tmpfile_linkable(const char *target, int flags, char **ret_path, FILE **ret_file) {
return fopen_tmpfile_linkable_at(AT_FDCWD, target, flags, ret_path, ret_file);
}
typedef enum LinkTmpfileFlags {
LINK_TMPFILE_REPLACE = 1 << 0,
@@ -40,7 +43,10 @@ int link_tmpfile_at(int fd, int dir_fd, const char *path, const char *target, Li
static inline int link_tmpfile(int fd, const char *path, const char *target, LinkTmpfileFlags flags) {
return link_tmpfile_at(fd, AT_FDCWD, path, target, flags);
}
int flink_tmpfile(FILE *f, const char *path, const char *target, LinkTmpfileFlags flags);
int flink_tmpfile_at(FILE *f, int dir_fd, const char *path, const char *target, LinkTmpfileFlags flags);
static inline int flink_tmpfile(FILE *f, const char *path, const char *target, LinkTmpfileFlags flags) {
return flink_tmpfile_at(f, AT_FDCWD, path, target, flags);
}
int mkdtemp_malloc(const char *template, char **ret);
int mkdtemp_open(const char *template, int flags, char **ret);