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-rw-r--r--src/tool_paramhlp.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/tool_paramhlp.c b/src/tool_paramhlp.c
index 97540d11b..d23245046 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;
}
/*