X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fstrv.h;h=2c0280b71307ccab1624ef2ff196cb62c1f8ba47;hp=571ea38a7ff046b4ac804116b267aaaae93e9d1c;hb=98940a3cd93807b5a3809bb1fb7ab43d450939f1;hpb=5ecb28f69ef670c7e194b656b57fda6f8850f0ba diff --git a/src/shared/strv.h b/src/shared/strv.h index 571ea38a7..2c0280b71 100644 --- a/src/shared/strv.h +++ b/src/shared/strv.h @@ -28,6 +28,7 @@ char *strv_find(char **l, const char *name) _pure_; char *strv_find_prefix(char **l, const char *name) _pure_; +char *strv_find_startswith(char **l, const char *name) _pure_; void strv_free(char **l); DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free); @@ -36,16 +37,22 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free); char **strv_copy(char * const *l); unsigned strv_length(char * const *l) _pure_; -char **strv_merge(char **a, char **b); -char **strv_merge_concat(char **a, char **b, const char *suffix); -char **strv_append(char **l, const char *s); +int strv_extend_strv(char ***a, char **b); +int strv_extend_strv_concat(char ***a, char **b, const char *suffix); int strv_extend(char ***l, const char *value); +int strv_extendf(char ***l, const char *format, ...) _printf_(2,0); int strv_push(char ***l, char *value); +int strv_push_pair(char ***l, char *a, char *b); +int strv_push_prepend(char ***l, char *value); +int strv_consume(char ***l, char *value); +int strv_consume_pair(char ***l, char *a, char *b); +int strv_consume_prepend(char ***l, char *value); char **strv_remove(char **l, const char *s); -char **strv_remove_prefix(char **l, const char *s); char **strv_uniq(char **l); +bool strv_equal(char **a, char **b); + #define strv_contains(l, s) (!!strv_find((l), (s))) char **strv_new(const char *x, ...) _sentinel_; @@ -60,9 +67,10 @@ static inline bool strv_isempty(char * const *l) { } char **strv_split(const char *s, const char *separator); -char **strv_split_quoted(const char *s); char **strv_split_newlines(const char *s); +int strv_split_quoted(char ***t, const char *s, bool relax); + char *strv_join(char **l, const char *separator); char *strv_join_quoted(char **l); @@ -75,12 +83,59 @@ bool strv_overlap(char **a, char **b) _pure_; for ((s) = (l); (s) && *(s); (s)++) #define STRV_FOREACH_BACKWARDS(s, l) \ - STRV_FOREACH(s, l) ; \ - for ((s)--; (l) && ((s) >= (l)); (s)--) + STRV_FOREACH(s, l) \ + ; \ + for ((s)--; (l) && ((s) >= (l)); (s)--) #define STRV_FOREACH_PAIR(x, y, l) \ for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1)) - char **strv_sort(char **l); void strv_print(char **l); + +#define STRV_MAKE(...) ((char**) ((const char*[]) { __VA_ARGS__, NULL })) + +#define STRV_MAKE_EMPTY ((char*[1]) { NULL }) + +#define strv_from_stdarg_alloca(first) \ + ({ \ + char **_l; \ + \ + if (!first) \ + _l = (char**) &first; \ + else { \ + unsigned _n; \ + va_list _ap; \ + \ + _n = 1; \ + va_start(_ap, first); \ + while (va_arg(_ap, char*)) \ + _n++; \ + va_end(_ap); \ + \ + _l = newa(char*, _n+1); \ + _l[_n = 0] = (char*) first; \ + va_start(_ap, first); \ + for (;;) { \ + _l[++_n] = va_arg(_ap, char*); \ + if (!_l[_n]) \ + break; \ + } \ + va_end(_ap); \ + } \ + _l; \ + }) + +#define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x) + +#define FOREACH_STRING(x, ...) \ + for (char **_l = ({ \ + char **_ll = STRV_MAKE(__VA_ARGS__); \ + x = _ll ? _ll[0] : NULL; \ + _ll; \ + }); \ + _l && *_l; \ + x = ({ \ + _l ++; \ + _l[0]; \ + }))