diff options
| -rw-r--r-- | config/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | config/config.h.in | 1 | ||||
| -rw-r--r-- | src/nvim/api/private/helpers.c | 2 | ||||
| -rw-r--r-- | src/nvim/message.c | 2 | ||||
| -rw-r--r-- | src/nvim/strings.c | 12 | ||||
| -rw-r--r-- | src/nvim/vim.h | 5 |
6 files changed, 21 insertions, 2 deletions
diff --git a/config/CMakeLists.txt b/config/CMakeLists.txt index 613475b00d..30f08c5297 100644 --- a/config/CMakeLists.txt +++ b/config/CMakeLists.txt @@ -45,6 +45,7 @@ check_function_exists(readlink HAVE_READLINK) check_function_exists(setpgid HAVE_SETPGID) check_function_exists(setsid HAVE_SETSID) check_function_exists(sigaction HAVE_SIGACTION) +check_function_exists(strnlen HAVE_STRNLEN) check_function_exists(strcasecmp HAVE_STRCASECMP) check_function_exists(strncasecmp HAVE_STRNCASECMP) check_function_exists(strptime HAVE_STRPTIME) diff --git a/config/config.h.in b/config/config.h.in index 27a28116af..b0635fb52b 100644 --- a/config/config.h.in +++ b/config/config.h.in @@ -30,6 +30,7 @@ #cmakedefine HAVE_SETPGID #cmakedefine HAVE_SETSID #cmakedefine HAVE_SIGACTION +#cmakedefine HAVE_STRNLEN #cmakedefine HAVE_STRCASECMP #cmakedefine HAVE_STRINGS_H #cmakedefine HAVE_STRNCASECMP diff --git a/src/nvim/api/private/helpers.c b/src/nvim/api/private/helpers.c index d470def277..9b407eab8b 100644 --- a/src/nvim/api/private/helpers.c +++ b/src/nvim/api/private/helpers.c @@ -513,7 +513,7 @@ String cbuf_to_string(const char *buf, size_t size) String cstrn_to_string(const char *str, size_t maxsize) FUNC_ATTR_NONNULL_ALL { - return cbuf_to_string(str, strnlen(str, maxsize)); + return cbuf_to_string(str, STRNLEN(str, maxsize)); } /// Creates a String using the given C string. Unlike diff --git a/src/nvim/message.c b/src/nvim/message.c index 6fcd4cef8a..d698cfbeda 100644 --- a/src/nvim/message.c +++ b/src/nvim/message.c @@ -2056,7 +2056,7 @@ static void msg_puts_display(const char_u *str, int maxlen, int attr, int recurs msg_ext_last_attr = attr; } // Concat pieces with the same highlight - size_t len = strnlen((char *)str, maxlen); // -V781 + size_t len = STRNLEN(str, maxlen); // -V781 ga_concat_len(&msg_ext_last_chunk, (char *)str, len); msg_ext_cur_len += len; return; diff --git a/src/nvim/strings.c b/src/nvim/strings.c index c58e052ae9..27f93fe4ce 100644 --- a/src/nvim/strings.c +++ b/src/nvim/strings.c @@ -394,6 +394,18 @@ void del_trailing_spaces(char_u *ptr) } } +#if !defined(HAVE_STRNLEN) +size_t xstrnlen(const char *s, size_t n) + FUNC_ATTR_NONNULL_ALL FUNC_ATTR_PURE +{ + const char *end = memchr(s, '\0', n); + if (end == NULL) { + return n; + } + return end - s; +} +#endif + #if (!defined(HAVE_STRCASECMP) && !defined(HAVE_STRICMP)) /* * Compare two strings, ignoring case, using current locale. diff --git a/src/nvim/vim.h b/src/nvim/vim.h index e3539c1a57..2f8ddd1e88 100644 --- a/src/nvim/vim.h +++ b/src/nvim/vim.h @@ -215,6 +215,11 @@ enum { FOLD_TEXT_LEN = 51, }; //!< buffer size for get_foldtext() // (vim_strchr() is now in strings.c) #define STRLEN(s) strlen((char *)(s)) +#ifdef HAVE_STRNLEN +# define STRNLEN(s, n) strnlen((char *)(s), (size_t)(n)) +#else +# define STRNLEN(s, n) xstrnlen((char *)(s), (size_t)(n)) +#endif #define STRCPY(d, s) strcpy((char *)(d), (char *)(s)) #define STRNCPY(d, s, n) strncpy((char *)(d), (char *)(s), (size_t)(n)) #define STRLCPY(d, s, n) xstrlcpy((char *)(d), (char *)(s), (size_t)(n)) |