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io-util: split out iovw_xyz into iovec-wrapper.h

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Let's split these APIs out, they are kinda their own thing.
This commit is contained in:
Lennart Poettering
2023-10-20 10:43:50 +02:00
parent 986235a99a
commit ea1f38146a
7 changed files with 177 additions and 145 deletions
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src/basic/io-util.h
-36
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@@ -6,7 +6,6 @@
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/uio.h>
#include "macro.h"
#include "time-util.h"
@@ -45,38 +44,3 @@ static inline bool FILE_SIZE_VALID_OR_INFINITY(uint64_t l) {
return FILE_SIZE_VALID(l);
}
struct iovec_wrapper {
struct iovec *iovec;
size_t count;
};
struct iovec_wrapper *iovw_new(void);
struct iovec_wrapper *iovw_free(struct iovec_wrapper *iovw);
struct iovec_wrapper *iovw_free_free(struct iovec_wrapper *iovw);
DEFINE_TRIVIAL_CLEANUP_FUNC(struct iovec_wrapper*, iovw_free_free);
void iovw_free_contents(struct iovec_wrapper *iovw, bool free_vectors);
int iovw_put(struct iovec_wrapper *iovw, void *data, size_t len);
static inline int iovw_consume(struct iovec_wrapper *iovw, void *data, size_t len) {
/* Move data into iovw or free on error */
int r;
r = iovw_put(iovw, data, len);
if (r < 0)
free(data);
return r;
}
static inline bool iovw_isempty(const struct iovec_wrapper *iovw) {
return !iovw || iovw->count == 0;
}
int iovw_put_string_field(struct iovec_wrapper *iovw, const char *field, const char *value);
int iovw_put_string_field_free(struct iovec_wrapper *iovw, const char *field, char *value);
void iovw_rebase(struct iovec_wrapper *iovw, char *old, char *new);
size_t iovw_size(struct iovec_wrapper *iovw);
int iovw_append(struct iovec_wrapper *target, const struct iovec_wrapper *source);