diff options
Diffstat (limited to 'src/string-utils.h')
| -rw-r--r-- | src/string-utils.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/string-utils.h b/src/string-utils.h index 973b954..efc6fc5 100644 --- a/src/string-utils.h +++ b/src/string-utils.h @@ -51,6 +51,12 @@ teco_ascii_toupper(gchar chr) * A target teco_string_t::data is always null-terminated and thus safe to pass * to functions expecting traditional null-terminated C strings if you can * guarantee that it contains no null-character other than the trailing one. + * + * @warning For consistency with C idioms the underlying character type is + * `char`, which might be signed! + * Accessing individual characters may yield signed integers and that sign + * might be preserved when upcasting to a larger signed integer. + * In this case you should always cast to `guchar` first. */ typedef struct { /** |