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Overview
| Comment: | Remove varargs C-preprocessor macros from linenoise.c, since some older C compilers (ex: gcc on a circa-2000 iBook) are unable to deal with them. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
24c2b99df2f659140a1bedaef3a9a44d |
| User & Date: | drh 2018-01-07 23:45:48 |
Context
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2018-01-09
| ||
| 00:55 | Update SQLite to the latest 3.22.0 alpha. This might fix reported build problems on MinGW. check-in: f7f168c3 user: drh tags: trunk | |
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2018-01-08
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| 23:20 | Enlarge the diff view font and tweak the diff highlight colors. The skin was globally widened to accomodate more space for the diff view. check-in: 34ab58c2 user: achavasse tags: skin-ardoise | |
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2018-01-07
| ||
| 23:45 | Remove varargs C-preprocessor macros from linenoise.c, since some older C compilers (ex: gcc on a circa-2000 iBook) are unable to deal with them. check-in: 24c2b99d user: drh tags: trunk | |
| 23:29 | Avoid the use of utimensat() on older unix platforms. check-in: 2aa7a23b user: drh tags: trunk | |
Changes
Changes to src/linenoise.c.
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/* Update maxrows if needed. */
if (rows > (int)l->maxrows) l->maxrows = rows;
/* First step: clear all the lines used before. To do so start by
* going to the last row. */
abInit(&ab);
if (old_rows-rpos > 0) {
lndebug("go down %d", old_rows-rpos);
snprintf(seq,64,"\x1b[%dB", old_rows-rpos);
abAppend(&ab,seq,strlen(seq));
}
/* Now for every row clear it, go up. */
for (j = 0; j < old_rows-1; j++) {
lndebug("clear+up");
snprintf(seq,64,"\r\x1b[0K\x1b[1A");
abAppend(&ab,seq,strlen(seq));
}
/* Clean the top line. */
lndebug("clear");
snprintf(seq,64,"\r\x1b[0K");
abAppend(&ab,seq,strlen(seq));
/* Write the prompt and the current buffer content */
abAppend(&ab,l->prompt,strlen(l->prompt));
abAppend(&ab,l->buf,l->len);
................................................................................
/* If we are at the very end of the screen with our prompt, we need to
* emit a newline and move the prompt to the first column. */
if (l->pos &&
l->pos == l->len &&
(l->pos+plen) % l->cols == 0)
{
lndebug("<newline>");
abAppend(&ab,"\n",1);
snprintf(seq,64,"\r");
abAppend(&ab,seq,strlen(seq));
rows++;
if (rows > (int)l->maxrows) l->maxrows = rows;
}
/* Move cursor to right position. */
rpos2 = (plen+l->pos+l->cols)/l->cols; /* current cursor relative row. */
lndebug("rpos2 %d", rpos2);
/* Go up till we reach the expected positon. */
if (rows-rpos2 > 0) {
lndebug("go-up %d", rows-rpos2);
snprintf(seq,64,"\x1b[%dA", rows-rpos2);
abAppend(&ab,seq,strlen(seq));
}
/* Set column. */
col = (plen+(int)l->pos) % (int)l->cols;
lndebug("set col %d", 1+col);
if (col)
snprintf(seq,64,"\r\x1b[%dC", col);
else
snprintf(seq,64,"\r");
abAppend(&ab,seq,strlen(seq));
lndebug("\n");
l->oldpos = l->pos;
if (write(fd,ab.b,ab.len) == -1) {} /* Can't recover from write error. */
abFree(&ab);
}
/* Calls the two low level functions refreshSingleLine() or
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/* Update maxrows if needed. */
if (rows > (int)l->maxrows) l->maxrows = rows;
/* First step: clear all the lines used before. To do so start by
* going to the last row. */
abInit(&ab);
if (old_rows-rpos > 0) {
/* lndebug("go down %d", old_rows-rpos); */
snprintf(seq,64,"\x1b[%dB", old_rows-rpos);
abAppend(&ab,seq,strlen(seq));
}
/* Now for every row clear it, go up. */
for (j = 0; j < old_rows-1; j++) {
/* lndebug("clear+up"); */
snprintf(seq,64,"\r\x1b[0K\x1b[1A");
abAppend(&ab,seq,strlen(seq));
}
/* Clean the top line. */
/* lndebug("clear"); */
snprintf(seq,64,"\r\x1b[0K");
abAppend(&ab,seq,strlen(seq));
/* Write the prompt and the current buffer content */
abAppend(&ab,l->prompt,strlen(l->prompt));
abAppend(&ab,l->buf,l->len);
................................................................................
/* If we are at the very end of the screen with our prompt, we need to
* emit a newline and move the prompt to the first column. */
if (l->pos &&
l->pos == l->len &&
(l->pos+plen) % l->cols == 0)
{
/* lndebug("<newline>"); */
abAppend(&ab,"\n",1);
snprintf(seq,64,"\r");
abAppend(&ab,seq,strlen(seq));
rows++;
if (rows > (int)l->maxrows) l->maxrows = rows;
}
/* Move cursor to right position. */
rpos2 = (plen+l->pos+l->cols)/l->cols; /* current cursor relative row. */
/* lndebug("rpos2 %d", rpos2); */
/* Go up till we reach the expected positon. */
if (rows-rpos2 > 0) {
/* lndebug("go-up %d", rows-rpos2); */
snprintf(seq,64,"\x1b[%dA", rows-rpos2);
abAppend(&ab,seq,strlen(seq));
}
/* Set column. */
col = (plen+(int)l->pos) % (int)l->cols;
/* lndebug("set col %d", 1+col); */
if (col)
snprintf(seq,64,"\r\x1b[%dC", col);
else
snprintf(seq,64,"\r");
abAppend(&ab,seq,strlen(seq));
/* lndebug("\n"); */
l->oldpos = l->pos;
if (write(fd,ab.b,ab.len) == -1) {} /* Can't recover from write error. */
abFree(&ab);
}
/* Calls the two low level functions refreshSingleLine() or
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