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echo: fix SEGV when run with no args
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -97,7 +97,7 @@ int echo_main(int argc UNUSED_PARAM, char **argv)
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buflen += strlen(arg) + 1;
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buflen += strlen(arg) + 1;
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pp++;
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pp++;
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}
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}
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out = buffer = xmalloc(buflen);
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out = buffer = xmalloc(buflen + 1); /* +1 is needed for "no args" case */
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while ((arg = *argv) != NULL) {
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while ((arg = *argv) != NULL) {
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int c;
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int c;
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