diff options
| -rw-r--r-- | src/libeinfo/libeinfo.c | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/src/libeinfo/libeinfo.c b/src/libeinfo/libeinfo.c index 66b6dbc..12ca368 100644 --- a/src/libeinfo/libeinfo.c +++ b/src/libeinfo/libeinfo.c @@ -306,11 +306,65 @@ is_verbose(void) /* Fake tgoto call - very crapy, but works for our needs */ #ifndef HAVE_TERMCAP static char * -tgoto(const char *cap, int a, int b) +tgoto(const char *cap, int col, int line) { static char buf[20]; + char *p, *e, c, dbuf[6]; + int oncol = 0, which = line, i; + + p = buf; + e = p + sizeof(buf); + while ((c = *cap++)) { + if (c != '%' || ((c = *cap++) == '%')) { + *p++ = c; + if (p >= e) { + errno = E2BIG; + return NULL; + } + continue; + } + switch (c) { + case '3': + case '2': + case 'd': + i = 0; + do + dbuf[i++] = which % 10 | '0'; + while ((which /= 10)); + if (c != 'd') { + c -= '0'; + if (i > c) { + errno = EINVAL; + return NULL; + } + while (i < c) + dbuf[i++] = '0'; + } + if (p + i >= e) { + errno = E2BIG; + return NULL; + } + do + *p++ = dbuf[--i]; + while (i); + break; + case 'r': + oncol = 0; + break; + case 'i': + col++; + line++; + which++; + continue; + default: + errno = EINVAL; + return NULL; + } - snprintf(buf, sizeof(buf), cap, b, a); + oncol = 1 - oncol; + which = oncol ? col : line; + } + *p = '\0'; return buf; } #endif |