X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fbasic%2Fstring-util.h;h=e8c2fc6dd38f55c9b0085d1bdeecfcfd39cf440c;hb=94462cb1b69adcd5dad3dc417d76afacadfe4fbd;hp=139cc8c91b42bb551fed22c2215fd4922b272e49;hpb=cd87dbd536df7a454ce0faadac24116d21e2b3a8;p=elogind.git diff --git a/src/basic/string-util.h b/src/basic/string-util.h index 139cc8c91..e8c2fc6dd 100644 --- a/src/basic/string-util.h +++ b/src/basic/string-util.h @@ -66,6 +66,16 @@ static inline bool isempty(const char *p) { return !p || !p[0]; } +static inline const char *empty_to_null(const char *p) { + return isempty(p) ? NULL : p; +} + +#if 0 /// UNNEEDED by elogind +static inline const char *strdash_if_empty(const char *str) { + return isempty(str) ? "-" : str; +} +#endif // 0 + static inline char *startswith(const char *s, const char *prefix) { size_t l; @@ -76,6 +86,7 @@ static inline char *startswith(const char *s, const char *prefix) { return NULL; } +#if 0 /// UNNEEDED by elogind static inline char *startswith_no_case(const char *s, const char *prefix) { size_t l; @@ -85,6 +96,7 @@ static inline char *startswith_no_case(const char *s, const char *prefix) { return NULL; } +#endif // 0 char *endswith(const char *s, const char *postfix) _pure_; char *endswith_no_case(const char *s, const char *postfix) _pure_; @@ -99,16 +111,14 @@ const char* split(const char **state, size_t *l, const char *separator, bool quo #define FOREACH_WORD_SEPARATOR(word, length, s, separator, state) \ _FOREACH_WORD(word, length, s, separator, false, state) -#define FOREACH_WORD_QUOTED(word, length, s, state) \ - _FOREACH_WORD(word, length, s, WHITESPACE, true, state) - #define _FOREACH_WORD(word, length, s, separator, quoted, state) \ for ((state) = (s), (word) = split(&(state), &(length), (separator), (quoted)); (word); (word) = split(&(state), &(length), (separator), (quoted))) char *strappend(const char *s, const char *suffix); char *strnappend(const char *s, const char *suffix, size_t length); -char *strjoin(const char *x, ...) _sentinel_; +char *strjoin_real(const char *x, ...) _sentinel_; +#define strjoin(a, ...) strjoin_real((a), __VA_ARGS__, NULL) #define strjoina(a, ...) \ ({ \ @@ -126,17 +136,24 @@ char *strjoin(const char *x, ...) _sentinel_; }) char *strstrip(char *s); +#if 0 /// UNNEEDED by elogind char *delete_chars(char *s, const char *bad); +#endif // 0 char *truncate_nl(char *s); +#if 0 /// UNNEEDED by elogind char ascii_tolower(char x); char *ascii_strlower(char *s); char *ascii_strlower_n(char *s, size_t n); +char ascii_toupper(char x); +char *ascii_strupper(char *s); + int ascii_strcasecmp_n(const char *a, const char *b, size_t n); int ascii_strcasecmp_nn(const char *a, size_t n, const char *b, size_t m); bool chars_intersect(const char *a, const char *b) _pure_; +#endif // 0 static inline bool _pure_ in_charset(const char *s, const char* charset) { assert(s); @@ -180,7 +197,10 @@ static inline void *memmem_safe(const void *haystack, size_t haystacklen, const return memmem(haystack, haystacklen, needle, needlelen); } -void* memory_erase(void *p, size_t l); +#if !HAVE_DECL_EXPLICIT_BZERO +void explicit_bzero(void *p, size_t l); +#endif + char *string_erase(char *x); char *string_free_erase(char *s);