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| author | pgen <p.gen.progs@gmail.com> | 2023-02-26 11:38:12 +0100 |
|---|---|---|
| committer | pgen <p.gen.progs@gmail.com> | 2023-02-26 11:38:12 +0100 |
| commit | ed7866ddd36a1b385a358575756382df9c56c5c4 (patch) | |
| tree | 4232a56e9dd8725482aa49fb07ebd925ecf4a3e9 /smenu.c | |
| parent | 8a95715c3c48e3d0c772862c4b00db530634f1ed (diff) | |
Improve some comments
Diffstat (limited to 'smenu.c')
| -rw-r--r-- | smenu.c | 28 |
1 files changed, 15 insertions, 13 deletions
@@ -1559,11 +1559,12 @@ get_terminal_size(int * const r, int * const c, term_t * term) } } -/* ======================================================= */ -/* Get cursor position the terminal. */ -/* Assume that the Escape sequence ESC [ 6 n is available. */ -/* Returns 1 on success and 0 on error. */ -/* ======================================================= */ +/* =========================================================== */ +/* Gets the cursor position in the terminal. */ +/* Assume that the Escape sequence ESC [ 6 n is available. */ +/* Retries up to 64 times in case of system call interruption. */ +/* Returns 1 on success and 0 on error. */ +/* =========================================================== */ int get_cursor_position(int * const r, int * const c) { @@ -1629,6 +1630,7 @@ read: /* ====================================================== */ /* Returns 1 if a string is empty or only made of spaces. */ +/* TODO: take all UTF-8 spaces into account. */ /* ====================================================== */ int isempty(const char * s) @@ -1688,7 +1690,7 @@ parse_regex_selector_part(char * str, filters_t filter, ll_t ** inc_regex_list, } /* ===================================================================== */ -/* Parse a description string. */ +/* Parse a column or row selector string whose syntax is defines as: */ /* <letter><range1>,<range2>,... */ /* <range> is n1-n2 | n1 where n1 starts with 1. */ /* */ @@ -1725,9 +1727,9 @@ parse_selectors(char * str, filters_t * filter, char * unparsed, char * ptr; /* pointer to the remaining string to parse. */ interval_t * interval; - /* Replace the UTF-8 ascii representation in the selector by */ - /* their binary values. */ - /* """"""""""""""""""""""""""""""""""""""""""""""""""""""""" */ + /* Replace the UTF-8 string representation in the selector by */ + /* their binary values. */ + /* """""""""""""""""""""""""""""""""""""""""""""""""""""""""" */ utf8_interpret(str, misc->invalid_char_substitute); /* Get the first character to see if this is */ @@ -1819,10 +1821,10 @@ parse_selectors(char * str, filters_t * filter, char * unparsed, /* If the regex contains at least three characters then delim1 */ /* and delim2 point to the first and last delimiter of the */ - /* regular expression. Ex /abc/ */ - /* ^ ^ */ - /* | | */ - /* delim1 delim2 */ + /* regular expression. E.g. /abc/ */ + /* ^ ^ */ + /* | | */ + /* delim1 delim2 */ /* """"""""""""""""""""""""""""""""""""""""""""""""""""""""""" */ delim1 = *(str + start); if (*ptr == '\0') |