diff options
| -rw-r--r-- | src/nvim/strings.c | 22 | ||||
| -rw-r--r-- | src/nvim/testdir/test_expr.vim | 8 | ||||
| -rw-r--r-- | src/nvim/version.c | 2 |
3 files changed, 24 insertions, 8 deletions
diff --git a/src/nvim/strings.c b/src/nvim/strings.c index d03970108b..47ee311bd4 100644 --- a/src/nvim/strings.c +++ b/src/nvim/strings.c @@ -1209,9 +1209,10 @@ int vim_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap, } if (fmt_spec == 'f' && abs_f > 1.0e307) { + const char inf_str[] = f < 0 ? "-inf" : "inf"; // avoid a buffer overflow - memmove(tmp, "inf", sizeof("inf")); - str_arg_l = sizeof("inf") - 1; + memmove(tmp, inf_str, sizeof(inf_str) - 1); + str_arg_l = sizeof(inf_str) - 1; } else { format[0] = '%'; int l = 1; @@ -1234,6 +1235,23 @@ int vim_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap, str_arg_l = (size_t)snprintf(tmp, sizeof(tmp), format, f); assert(str_arg_l < sizeof(tmp)); + // Be consistent: Change "1.#IND" to "nan" and + // "1.#INF" to "inf". + char *s = *tmp == '-' ? tmp + 1 : tmp; + if (STRNCMP(s, "1.#INF", 6) == 0) { + STRCPY(s, "inf"); + } else if (STRNCMP(s, "1.#IND", 6) == 0) { + STRCPY(s, "nan"); + } + // Remove sign before "nan" + if (STRNCMP(tmp, "-nan", 4) == 0) { + STRCPY(tmp, "nan"); + } + // Add sign before "inf" if needed. + if (isinf(f) == -1 && STRNCMP(tmp, "inf", 3) == 0) { + STRCPY(tmp, "-inf"); + } + if (remove_trailing_zeroes) { int i; char *tp; diff --git a/src/nvim/testdir/test_expr.vim b/src/nvim/testdir/test_expr.vim index 7f7811dc7a..fc804f3a15 100644 --- a/src/nvim/testdir/test_expr.vim +++ b/src/nvim/testdir/test_expr.vim @@ -201,12 +201,10 @@ function Test_printf_float() call assert_equal('inf', printf('%f', 1.0/0.0)) - " This prints inf but shouldn't it print -inf instead? - call assert_match('^-\?inf$', printf('%f', -1.0/0.0)) + call assert_match('^-inf$', printf('%f', -1.0/0.0)) - " This prints -nan but shouldn't it print nan instead? - call assert_match('^-\?nan$', printf('%f', sqrt(-1.0))) - call assert_match('^-\?nan$', printf('%f', 0.0/0.0)) + call assert_match('^nan$', printf('%f', sqrt(-1.0))) + call assert_match('^nan$', printf('%f', 0.0/0.0)) call assert_fails('echo printf("%f", "a")', 'E807:') endfunc diff --git a/src/nvim/version.c b/src/nvim/version.c index 8fd0fce329..5479e9f91f 100644 --- a/src/nvim/version.c +++ b/src/nvim/version.c @@ -175,7 +175,7 @@ static int included_patches[] = { // 2269, // 2268, // 2267 NA - // 2266, + 2266, 2265, 2264, // 2263, |