From cd9667d6be072a9c736e49c679b55852f7b30a6c Mon Sep 17 00:00:00 2001 From: "Luke T. Shumaker" Date: Sun, 12 Jan 2025 23:08:14 -0700 Subject: lib9p: Don't nul-terminate strings, add some string utils --- lib9p/9p.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'lib9p/9p.c') diff --git a/lib9p/9p.c b/lib9p/9p.c index de6f05b..5bea9f9 100644 --- a/lib9p/9p.c +++ b/lib9p/9p.c @@ -35,6 +35,35 @@ const char *lib9p_msgtype_str(enum lib9p_version ver, enum lib9p_msg_type typ) { return _lib9p_table_msg_name[ver][typ] ?: const_byte_str(typ); } +struct lib9p_s lib9p_str(char *s) { + if (!s) + return (struct lib9p_s){0}; + return (struct lib9p_s){ + .len = strlen(s), + .utf8 = s, + }; +} +struct lib9p_s lib9p_strn(char *s, size_t maxlen) { + if (maxlen == 0 || !s) + return (struct lib9p_s){0}; + return (struct lib9p_s){ + .len = strnlen(s, maxlen), + .utf8 = s, + }; +} +struct lib9p_s lib9p_str_slice(struct lib9p_s s, uint16_t beg, uint16_t end) { + assert(s.len == 0 || s.utf8); + assert(beg <= end && end <= s.len); + return (struct lib9p_s){ + .len = end - beg, + .utf8 = &s.utf8[beg], + }; +} +bool lib9p_str_eq(struct lib9p_s a, struct lib9p_s b) { + return a.len == b.len && + (a.len == 0 || memcmp(a.utf8, b.utf8, a.len) == 0); +} + /* ctx ************************************************************************/ void lib9p_ctx_clear_error(struct lib9p_ctx *ctx) { -- cgit v1.2.3-2-g168b