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fs_cli: fix siptrace output 

This partially reverts commit 991b83d23c.
This commit is contained in:
Travis Cross 2011-09-26 20:02:30 +00:00
parent 1244e55632
commit 8056125077
1 changed files with 28 additions and 9 deletions
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37
libs/esl/fs_cli.c
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@ -575,11 +575,27 @@ static int stdout_writable(void)
#endif
}
static int write_str(char *s) {
int n, left = strlen(s);
while (1) {
n = write(STDOUT_FILENO, s, left);
if (n == left) return 1;
if (n < 0) return 0;
s += n; left -= n;
}
return 1;
}
static int write_char(int c) {
char s[2] = { c, 0 };
return write_str(s);
}
static void clear_line(void)
{
putchar('\r');
printf("\033[K");
fflush(stdout);
if (!(write_char('\r'))) goto done;
if (!(write_str("\033[K"))) goto done;
done:
return;
}
@ -589,18 +605,21 @@ static void redisplay(void)
#else
const LineInfo *lf = el_line(el);
const char *c = lf->buffer;
printf("%s",prompt_str);
if (!(write_str(prompt_str))) goto done;
while (c < lf->lastchar && *c) {
putchar(*c);
if (!(write_char(*c))) goto done;
c++;
}
{
int pos = (int)(lf->cursor - lf->buffer);
putchar('\r');
printf("\033[%dC", bare_prompt_str_len);
if (pos > 0) printf("\033[%dC", pos);
char s1[12], s2[12];
if (!(write_char('\r'))) goto done;
snprintf(s1, sizeof(s1), "\033[%dC", bare_prompt_str_len);
snprintf(s2, sizeof(s2), "\033[%dC", pos);
if (!(write_str(s1))) goto done;
if (pos > 0) if (!(write_str(s2))) goto done;
}
fflush(stdout);
done:
return;
#endif
}