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io-util: introduce iovw_put_string_field() helper

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This commit is contained in:
Franck Bui 2019-06-25 16:57:06 +02:00
parent 11e6d9714e
commit ae41fdb66a
2 changed files with 23 additions and 0 deletions
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21
src/basic/io-util.c
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@ -308,6 +308,27 @@ int iovw_put(struct iovec_wrapper *iovw, void *data, size_t len) {
return 0;
}
int iovw_put_string_field(struct iovec_wrapper *iovw, const char *field, const char *value) {
_cleanup_free_ char *x = NULL;
int r;
x = strappend(field, value);
if (!x)
return log_oom();
r = iovw_put(iovw, x, strlen(x));
if (r >= 0)
TAKE_PTR(x);
return r;
}
int iovw_put_string_field_free(struct iovec_wrapper *iovw, const char *field, char *value) {
_cleanup_free_ _unused_ char *free_ptr = value;
return iovw_put_string_field(iovw, field, value);
}
void iovw_rebase(struct iovec_wrapper *iovw, char *old, char *new) {
size_t i;

2
src/basic/io-util.h
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@ -86,5 +86,7 @@ struct iovec_wrapper *iovw_free(struct iovec_wrapper *iovw);
struct iovec_wrapper *iovw_free_free(struct iovec_wrapper *iovw);
void iovw_free_contents(struct iovec_wrapper *iovw, bool free_vectors);
int iovw_put(struct iovec_wrapper *iovw, void *data, size_t len);
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);