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Added a sanity check to fix weird bug exposed when sourcing in commands from a
file with lash. Based on report from Heinz Walter.
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@ -33,7 +33,11 @@
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void trim(char *s)
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void trim(char *s)
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{
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{
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int len=strlen(s);
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int len = strlen(s);
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/* sanity check */
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if (len == 0)
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return;
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/* trim trailing whitespace */
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/* trim trailing whitespace */
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while ( len > 0 && isspace(s[len-1]))
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while ( len > 0 && isspace(s[len-1]))
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