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minor improvements

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This commit is contained in:
Jfreegman
2013-12-01 16:57:05 -05:00
parent 192a06c4f0
commit b1b2cc44df
3 changed files with 29 additions and 32 deletions
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20
src/misc_tools.c
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@ -161,7 +161,8 @@ bool valid_nick(uint8_t *nick)
}
/*
* Buffer helper tools. Assumes buffers are no larger than MAX_STR_SIZE
* Buffer helper tools.
* Assumes buffers are no larger than MAX_STR_SIZE and are always null terminated at len
*/
/* Adds char to buffer at pos */
@ -170,15 +171,7 @@ void add_char_to_buf(wint_t ch, wchar_t *buf, size_t *pos, size_t *len)
if (*pos < 0 || *len >= MAX_STR_SIZE)
return;
/* if cursor is at end of line simply insert char at last position and increment */
if (buf[*pos] == L'\0') {
buf[(*pos)++] = ch;
buf[*pos] = L'\0';
++(*len);
return;
}
/* move all chars in front of pos one space forward and insert char in pos */
/* move all chars including null in front of pos one space forward and insert char in pos */
int i;
for (i = *len; i >= *pos && i >= 0; --i)
@ -194,13 +187,6 @@ void del_char_buf_bck(wchar_t *buf, size_t *pos, size_t *len)
if (*pos <= 0)
return;
/* if cursor is at end of line delete previous char */
if (buf[*pos] == L'\0') {
buf[--(*pos)] = L'\0';
--(*len);
return;
}
int i;
/* similar to add_char_to_buf but deletes a char */