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fix bug when read would return -1

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vrd
2024-07-09 00:25:23 +03:00
parent c003797c4f
commit f1b7181e15
1 changed files with 3 additions and 2 deletions
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src/commands.inl
+3 -2
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@@ -140,11 +140,12 @@ inline std::string $(const PendingCmd& cmd)
output.resize(output.size() + PIPE_BUF); // todo: check if we are overallocating output.resize(output.size() + PIPE_BUF); // todo: check if we are overallocating
read_count = read(p.out, &output[i], PIPE_BUF); // todo: check errno read_count = read(p.out, &output[i], PIPE_BUF); // todo: check errno
i += read_count; if(read_count > 0)
i += read_count;
} }
while(read_count > 0); while(read_count > 0);
// p finished? // p finished?
output.erase(i, output.size() - i); output.erase(i, output.size() - i); // erase the extra elements
return output; return output;
} }