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-rw-r--r--libbb/bb_strtod.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libbb/bb_strtod.c b/libbb/bb_strtod.c
index 0515ff867..39bdeb5e5 100644
--- a/libbb/bb_strtod.c
+++ b/libbb/bb_strtod.c
@@ -17,7 +17,8 @@ double FAST_FUNC bb_strtod(const char *arg, char **endp)
double v;
char *endptr;
- if (arg[0] != '-' && NOT_DIGIT(arg[0]))
+ /* Allow .NN form. People want to use "sleep .15" etc */
+ if (arg[0] != '-' && arg[0] != '.' && NOT_DIGIT(arg[0]))
goto err;
errno = 0;
v = strtod(arg, &endptr);