SymbX/systemd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iovec-wrapper: introduce iovw_replace_string_field()

Browse Source
This commit is contained in:
Yu Watanabe
2025-10-19 10:01:46 +09:00
parent 0c37508494
commit a5cdc2be70
2 changed files with 16 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/basic/iovec-wrapper.c
+9 -1
View File
@@ -59,7 +59,7 @@ 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) {
int iovw_put_string_field_full(struct iovec_wrapper *iovw, bool replace, const char *field, const char *value) {
_cleanup_free_ char *x = NULL;
int r;
@@ -69,6 +69,14 @@ int iovw_put_string_field(struct iovec_wrapper *iovw, const char *field, const c
if (!x)
return -ENOMEM;
if (replace)
FOREACH_ARRAY(iovec, iovw->iovec, iovw->count)
if (memory_startswith(iovec->iov_base, iovec->iov_len, field)) {
iovec->iov_len = strlen(x);
free_and_replace(iovec->iov_base, x);
return 0;
}
r = iovw_put(iovw, x, strlen(x));
if (r >= 0)
TAKE_PTR(x);
src/basic/iovec-wrapper.h
+7 -1
View File
@@ -33,7 +33,13 @@ 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_full(struct iovec_wrapper *iovw, bool replace, const char *field, const char *value);
static inline int iovw_put_string_field(struct iovec_wrapper *iovw, const char *field, const char *value) {
return iovw_put_string_field_full(iovw, false, field, value);
}
static inline int iovw_replace_string_field(struct iovec_wrapper *iovw, const char *field, const char *value) {
return iovw_put_string_field_full(iovw, true, field, value);
}
int iovw_put_string_field_free(struct iovec_wrapper *iovw, const char *field, char *value);
void iovw_rebase(struct iovec_wrapper *iovw, void *old, void *new);
size_t iovw_size(const struct iovec_wrapper *iovw);