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string-util: imply NULL termination of strextend() argument list

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The trailing NULL in the argument list is now implied (similar to
what we already have in place in strjoin()).
This commit is contained in:
Lennart Poettering
2021-01-05 15:03:41 +01:00
parent 0ec1dc5ba3
commit c2bc710b24
23 changed files with 61 additions and 63 deletions
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src/basic/string-util.h
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@@ -189,9 +189,10 @@ char *strreplace(const char *text, const char *old_string, const char *new_strin
char *strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]);
char *strextend_with_separator(char **x, const char *separator, ...) _sentinel_;
char *strextend_with_separator_internal(char **x, const char *separator, ...) _sentinel_;
#define strextend(x, ...) strextend_with_separator(x, NULL, __VA_ARGS__)
#define strextend_with_separator(x, separator, ...) strextend_with_separator_internal(x, separator, __VA_ARGS__, NULL)
#define strextend(x, ...) strextend_with_separator_internal(x, NULL, __VA_ARGS__, NULL)
char *strrep(const char *s, unsigned n);