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authorGravatar Federico Mena Quintero2013-06-28 20:02:20 -0500
committerGravatar Federico Mena Quintero2013-07-02 20:31:44 -0500
commit42892465d4522cf19283b8a06bf48104bb387430 (patch)
treecdb38bd51c5bdc3ab65541071b70b566be3a11d5 /m4
parentef73e32751e86eca9ae34160708233da401a3297 (diff)
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common: Add utils.[ch] with a string_concat() function
Instead of doing malloc() and repeated strcat(), which is an O(n^2) way to concatenate multiple strings, we define a single O(total_len) function that uses stpcpy(). This will also make the rest of the code more legible and safer.
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