strto* functions happily chomp off leading whitespace, so simply
checking for str[0] can lead to false negatives. Do the full parse and
check the out value instead.
---
src/tool_paramhlp.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/tool_paramhlp.c b/src/tool_paramhlp.c
index 97540d1..d232450 100644
--- a/src/tool_paramhlp.c
+++ b/src/tool_paramhlp.c
@@ -178,9 +178,13 @@ ParameterError str2num(long *val, const char *str)
ParameterError str2unum(long *val, const char *str)
{
- if(str[0]=='-')
- return PARAM_NEGATIVE_NUMERIC; /* badness */
- return str2num(val, str);
+ ParameterError result = str2num(val, str);
+ if(result != PARAM_OK)
+ return result;
+ if(*val < 0)
+ return PARAM_NEGATIVE_NUMERIC;
+
+ return PARAM_OK;
}
/*
--
1.8.2.2
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