diff options
Diffstat (limited to 'edit.c')
| -rw-r--r-- | edit.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/edit.c b/edit.c index e142507..68593d1 100644 --- a/edit.c +++ b/edit.c @@ -23,22 +23,40 @@ #include "chat.h" enum { Cap = 512 }; -static wchar_t buf[Cap] = L"foo\0033bar\3baz"; -static size_t len = 12; -static size_t pos = 6; +static wchar_t buf[Cap]; +static size_t len; +static size_t pos; -const char *editHead(void) { +char *editHead(void) { static char mbs[MB_LEN_MAX * Cap]; const wchar_t *ptr = buf; - size_t n = wcsnrtombs(mbs, &ptr, pos, sizeof(mbs), NULL); + size_t n = wcsnrtombs(mbs, &ptr, pos, sizeof(mbs) - 1, NULL); assert(n != (size_t)-1); + mbs[n] = '\0'; return mbs; } -const char *editTail(void) { +char *editTail(void) { static char mbs[MB_LEN_MAX * Cap]; const wchar_t *ptr = &buf[pos]; - size_t n = wcsnrtombs(mbs, &ptr, len - pos, sizeof(mbs), NULL); + size_t n = wcsnrtombs(mbs, &ptr, len - pos, sizeof(mbs) - 1, NULL); assert(n != (size_t)-1); + mbs[n] = '\0'; return mbs; } + +void edit(size_t id, enum Edit op, wchar_t ch) { + switch (op) { + break; case EditKill: len = pos = 0; + break; case EditInsert: { + if (len == Cap) break; + buf[pos++] = ch; + len++; + } + break; case EditEnter: { + pos = 0; + command(id, editTail()); + len = 0; + } + } +} |