Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler.
Number of rules (primarily dangerous function names) in C/C++ ruleset: 223
Examining data/r-cran-raster-3.4-5/src/spat.h
Examining data/r-cran-raster-3.4-5/src/focal_get.cpp
Examining data/r-cran-raster-3.4-5/src/clamp.cpp
Examining data/r-cran-raster-3.4-5/src/rasterize.cpp
Examining data/r-cran-raster-3.4-5/src/RasterModule.cpp
Examining data/r-cran-raster-3.4-5/src/broom.cpp
Examining data/r-cran-raster-3.4-5/src/terrain.cpp
Examining data/r-cran-raster-3.4-5/src/util.cpp
Examining data/r-cran-raster-3.4-5/src/layerize.cpp
Examining data/r-cran-raster-3.4-5/src/area.cpp
Examining data/r-cran-raster-3.4-5/src/aggregate.h
Examining data/r-cran-raster-3.4-5/src/ppmin.cpp
Examining data/r-cran-raster-3.4-5/src/memory.cpp
Examining data/r-cran-raster-3.4-5/src/modal.cpp
Examining data/r-cran-raster-3.4-5/src/distance.h
Examining data/r-cran-raster-3.4-5/src/focal_fun.cpp
Examining data/r-cran-raster-3.4-5/src/aggregate.cpp
Examining data/r-cran-raster-3.4-5/src/reclass.cpp
Examining data/r-cran-raster-3.4-5/src/edge.cpp
Examining data/r-cran-raster-3.4-5/src/getPolygons.cpp
Examining data/r-cran-raster-3.4-5/src/raster_distance.cpp
Examining data/r-cran-raster-3.4-5/src/bilinear.cpp
Examining data/r-cran-raster-3.4-5/src/memory.h
Examining data/r-cran-raster-3.4-5/src/focal_sum.cpp
Examining data/r-cran-raster-3.4-5/src/util.h
Examining data/r-cran-raster-3.4-5/src/distance.cpp
Examining data/r-cran-raster-3.4-5/src/cellRowCol.cpp
Examining data/r-cran-raster-3.4-5/src/geodesic.h
Examining data/r-cran-raster-3.4-5/src/xyCell.cpp
Examining data/r-cran-raster-3.4-5/src/area.h
Examining data/r-cran-raster-3.4-5/src/raster_aggregate.cpp
Examining data/r-cran-raster-3.4-5/src/RcppExports.cpp
Examining data/r-cran-raster-3.4-5/src/geodesic.c

FINAL RESULTS:

data/r-cran-raster-3.4-5/src/memory.cpp:26:14:  [4] (shell) popen:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
		FILE *fp = popen("awk '/MemAvailable/ {print $2}' /proc/meminfo", "r");
data/r-cran-raster-3.4-5/src/memory.cpp:38:15:  [4] (shell) popen:
  This causes a new program to execute and is difficult to use safely
  (CWE-78). try using a library call that implements the same functionality
  if available.
		FILE *fp2 = popen("awk -v low=$(grep low /proc/zoneinfo | awk '{k+=$2}END{print k}') '{a[$1]=$2}END{print a[\"MemFree:\"]+a[\"Active(file):\"]+a[\"Inactive(file):\"]+a[\"SReclaimable:\"]-(12*low);}' /proc/meminfo", "r");

ANALYSIS SUMMARY:

Hits = 2
Lines analyzed = 6174 in approximately 0.23 seconds (27385 lines/second)
Physical Source Lines of Code (SLOC) = 4133
Hits@level = [0]   2 [1]   0 [2]   0 [3]   0 [4]   2 [5]   0
Hits@level+ = [0+]   4 [1+]   2 [2+]   2 [3+]   2 [4+]   2 [5+]   0
Hits/KSLOC@level+ = [0+] 0.96782 [1+] 0.48391 [2+] 0.48391 [3+] 0.48391 [4+] 0.48391 [5+]   0
Dot directories skipped = 1 (--followdotdir overrides)
Minimum risk level = 1
Not every hit is necessarily a security vulnerability.
There may be other security vulnerabilities; review your code!
See 'Secure Programming HOWTO'
(https://dwheeler.com/secure-programs) for more information.