X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fstrv.h;h=618951c5e32f4045bd0b78966104d6143a34fa9c;hp=d28625bd2f6ec9747fb843c151d538d2ef38ba1a;hb=53ede806cb58c661efbee6bbaabee6b2f0d3ce79;hpb=4d1a69043862ed979642f5688097160355d4cc81 diff --git a/src/shared/strv.h b/src/shared/strv.h index d28625bd2..618951c5e 100644 --- a/src/shared/strv.h +++ b/src/shared/strv.h @@ -24,56 +24,97 @@ #include #include -#include "macro.h" +#include "util.h" -char *strv_find(char **l, const char *name); -char *strv_find_prefix(char **l, const char *name); +char *strv_find(char **l, const char *name) _pure_; +char *strv_find_prefix(char **l, const char *name) _pure_; void strv_free(char **l); -void strv_freep(char ***l); -char **strv_copy(char **l) _malloc_; -unsigned strv_length(char **l); +DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free); +#define _cleanup_strv_free_ _cleanup_(strv_freep) -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); +char **strv_copy(char * const *l); +unsigned strv_length(char * const *l) _pure_; + +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_push(char ***l, char *value); +int strv_consume(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); #define strv_contains(l, s) (!!strv_find((l), (s))) -char **strv_new(const char *x, ...) _sentinel_ _malloc_; -char **strv_new_ap(const char *x, va_list ap) _malloc_; +char **strv_new(const char *x, ...) _sentinel_; +char **strv_new_ap(const char *x, va_list ap); static inline const char* STRV_IFNOTNULL(const char *x) { return x ? x : (const char *) -1; } -static inline bool strv_isempty(char **l) { +static inline bool strv_isempty(char * const *l) { return !l || !*l; } -char **strv_split(const char *s, const char *separator) _malloc_; -char **strv_split_quoted(const char *s) _malloc_; +char **strv_split(const char *s, const char *separator); +char **strv_split_quoted(const char *s); +char **strv_split_newlines(const char *s); -char *strv_join(char **l, const char *separator) _malloc_; +char *strv_join(char **l, const char *separator); +char *strv_join_quoted(char **l); char **strv_parse_nulstr(const char *s, size_t l); +char **strv_split_nulstr(const char *s); -bool strv_overlap(char **a, char **b); +bool strv_overlap(char **a, char **b) _pure_; #define STRV_FOREACH(s, l) \ for ((s) = (l); (s) && *(s); (s)++) #define STRV_FOREACH_BACKWARDS(s, l) \ - for (; (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) - + 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)