diff options
Diffstat (limited to 'misc/efgcvt_r.c')
| -rw-r--r-- | misc/efgcvt_r.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/misc/efgcvt_r.c b/misc/efgcvt_r.c index 69caef01d7..2dd0c9f02a 100644 --- a/misc/efgcvt_r.c +++ b/misc/efgcvt_r.c @@ -1,5 +1,5 @@ /* Compatibility functions for floating point formatting, reentrant versions. - Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -61,6 +61,17 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len) if (*sign) value = -value; } + else + /* Value is Inf or NaN. */ + *sign = 0; + + if (ndigit <= 0) + { + if (len > 0) + buf[0] = '\0'; + *decpt = 0; + return 0; + } n = snprintf (buf, len, "%.*" FLOAT_FMT_FLAG "f", ndigit, value); if (n < 0) @@ -72,11 +83,8 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len) *decpt = i; if (i == 0) - { - /* Value is Inf or NaN. */ - *sign = 0; - return 0; - } + /* Value is Inf or NaN. */ + return 0; if (i < n) { @@ -84,7 +92,7 @@ APPEND (FUNC_PREFIX, fcvt_r) (value, ndigit, decpt, sign, buf, len) ++i; while (i < n && !isdigit (buf[i])); memmove (&buf[*decpt], &buf[i], n - i); - buf[n - (i - *decpt)] = 0; + buf[n - (i - *decpt)] = '\0'; } return 0; |