Avoid the overhead from snprintf

[sundb]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.25%. Comparing base (51f364f) to head (5a40e88).

Additional details and impacted files

@@             Coverage Diff              @@
##           unstable     #395      +/-   ##
============================================
+ Coverage     69.22%   69.25%   +0.03%     
============================================
  Files           128      128              
  Lines         73629    73636       +7     
============================================
+ Hits          50972    51000      +28     
+ Misses        22657    22636      -21     

Files with missing lines	Coverage Δ
src/zmalloc.c	83.62% <100.00%> (+0.34%)	⬆️

... and 21 files with indirect coverage changes

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[oranagra]

very NICE!