microsoft / checkedc
File Age

File age measurements show the distribution of file ages (days since the first commit) and the recency of file updates (days since the latest commit).

Summary
  • Number of files: 78
  • Daily file updates (only one update per file and date counted): 313
  • First update: 2016-02-01
  • Latest update: 2021-09-29
  • Days between first and latest update: 2068 (295 weeks, estimated 1475 working days)
  • Active days (at least one file change): 285
  • Data:
File Change History Overall
File Age Distribution Overall
Days since first update
  • There are 78 files with 18,697 lines of code in files.
    • 64 files that are 366+ days old (18,485 lines of code)
    • 14 files that are 181-365 days old (212 lines of code)
    • 0 files that are 91-180 days old (0 lines of code)
    • 0 files that are 31-90 days old (0 lines of code)
    • 0 files that are 1-30 days old (0 lines of code)
98% | 1% | 0% | 0% | 0%
Legend:
366+
181-365
91-180
31-90
1-30
Latest Change Distribution Overall
Days since last update
  • There are 78 files with 18,697 lines of code in files.
    • 40 files have been last changed 366+ days ago (9,226 lines of code)
    • 35 files have been last changed 181-365 days ago (6,397 lines of code)
    • 3 files have been last changed 91-180 days ago (3,074 lines of code)
    • 0 files have been last changed 31-90 days ago (0 lines of code)
    • 0 files have been last changed 1-30 days ago (0 lines of code)
49% | 34% | 16% | 0% | 0%
Legend:
366+
181-365
91-180
31-90
1-30
File Change History per File Extension
c, tex, h, md, cfg, gitignore, sty, txt, r, bib, TXT, json
File Age Distribution per Extension
Days since first update
366+
181-365
91-180
31-90
1-30
tex100% | 0% | 0% | 0% | 0%
bib100% | 0% | 0% | 0% | 0%
h82% | 17% | 0% | 0% | 0%
sty100% | 0% | 0% | 0% | 0%
r100% | 0% | 0% | 0% | 0%
TXT100% | 0% | 0% | 0% | 0%
Latest Change Distribution per Extension
Days since last update
366+
181-365
91-180
31-90
1-30
bib100% | 0% | 0% | 0% | 0%
tex32% | 43% | 24% | 0% | 0%
sty100% | 0% | 0% | 0% | 0%
h18% | 81% | 0% | 0% | 0%
r100% | 0% | 0% | 0% | 0%
TXT100% | 0% | 0% | 0% | 0%
File Change History per Logical Decomposition
primary
primary (file age distribution)
Days since first update
366+
181-365
91-180
31-90
1-30
spec/bounds_safety100% | 0% | 0% | 0% | 0%
papers/dynamic_checks100% | 0% | 0% | 0% | 0%
include82% | 17% | 0% | 0% | 0%
papers/dynamic_checks/scripts100% | 0% | 0% | 0% | 0%
include/sys87% | 12% | 0% | 0% | 0%
papers/dynamic_checks/tables100% | 0% | 0% | 0% | 0%
spec/bounds_safety/pictures100% | 0% | 0% | 0% | 0%
papers/dynamic_checks/grammars100% | 0% | 0% | 0% | 0%
include/arpa56% | 43% | 0% | 0% | 0%
ROOT100% | 0% | 0% | 0% | 0%
primary (latest change distribution)
Days since last update
366+
181-365
91-180
31-90
1-30
papers/dynamic_checks100% | 0% | 0% | 0% | 0%
spec/bounds_safety33% | 42% | 23% | 0% | 0%
include21% | 78% | 0% | 0% | 0%
papers/dynamic_checks/scripts100% | 0% | 0% | 0% | 0%
papers/dynamic_checks/tables100% | 0% | 0% | 0% | 0%
spec/bounds_safety/pictures100% | 0% | 0% | 0% | 0%
papers/dynamic_checks/grammars100% | 0% | 0% | 0% | 0%
ROOT100% | 0% | 0% | 0% | 0%
include/sys0% | 100% | 0% | 0% | 0%
include/arpa0% | 100% | 0% | 0% | 0%
Oldest Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
tex
core-extensions.tex
in spec/bounds_safety
 1396 - 153 2191 43
tex
interoperation.tex
in spec/bounds_safety
 1364 - 146 2191 45
tex
design-alternatives.tex
in spec/bounds_safety
 884 - 311 2191 23
tex
introduction.tex
in spec/bounds_safety
 449 - 369 2191 27
tex
simple-invariants.tex
in spec/bounds_safety
 384 - 311 2191 12
tex
lessons.tex
in spec/bounds_safety
 328 - 1455 2191 8
tex
pointers-to-pointers.tex
in spec/bounds_safety
 258 - 311 2191 10
tex
structure-bounds.tex
in spec/bounds_safety
 224 - 953 2191 19
tex
checkedc.tex
in spec/bounds_safety
 221 - 269 2191 38
tex
fragments.tex
in spec/bounds_safety
 85 - 1455 2191 7
tex
open-issues.tex
in spec/bounds_safety
 81 - 1455 2191 15
tex
abstract.tex
in spec/bounds_safety
 39 - 1243 2191 8
bib
sources.bib
in spec/bounds_safety
 2135 - 850 2189 12
tex
rel-align-picture1.tex
in spec/bounds_safety/pictures
 32 - 1455 2188 3
tex
build-pics.tex
in spec/bounds_safety/pictures
 12 - 2169 2188 2
tex
checking-variable-bounds.tex
in spec/bounds_safety
 2120 - 235 2183 30
tex
variable-bounds.tex
in spec/bounds_safety
 1566 - 311 2183 36
tex
span-compilation.tex
in spec/bounds_safety
 182 - 1455 2112 2
tex
related-work.tex
in spec/bounds_safety
 795 - 850 2088 7
TXT
LICENSE.TXT
in root
 19 - 2058 2063 2
Files Not Recently Changed (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
tex
build-pics.tex
in spec/bounds_safety/pictures
 12 - 2169 2188 2
TXT
LICENSE.TXT
in root
 19 - 2058 2063 2
_builtin_common.h
in include
 12 - 1548 1705 3
_builtin_string_checked.h
in include
 56 - 1546 1795 5
_builtin_stdio_checked.h
in include
 132 - 1546 1795 4
bm_res_install.r
in papers/dynamic_checks/scripts
 1 - 1470 1470 1
tex
bm_results_tab.tex
in papers/dynamic_checks/scripts
 16 - 1470 1470 1
tex
conclusion.tex
in papers/dynamic_checks
 19 - 1470 1470 1
tex
bm_results_macros.tex
in papers/dynamic_checks/scripts
 20 - 1470 1470 1
tex
abstract.tex
in papers/dynamic_checks
 21 - 1470 1470 1
tex
lvalue-expressions.tex
in papers/dynamic_checks/grammars
 28 - 1470 1470 1
tex
canonical.tex
in papers/dynamic_checks/tables
 29 - 1470 1470 1
tex
bmresults.tex
in papers/dynamic_checks/tables
 31 - 1470 1470 1
tex
bmdesc.tex
in papers/dynamic_checks/tables
 35 - 1470 1470 1
sty
listing-label.sty
in papers/dynamic_checks
 38 - 1470 1470 1
tex
tr02.tex
in papers/dynamic_checks
 57 - 1470 1470 1
tex
related_work.tex
in papers/dynamic_checks
 69 - 1470 1470 1
tex
c_syntax.tex
in papers/dynamic_checks
 74 - 1470 1470 1
tex
propagation_rules.tex
in papers/dynamic_checks
 94 - 1470 1470 1
tex
introduction.tex
in papers/dynamic_checks
 107 - 1470 1470 1
Most Recently Created Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
inttypes_checked_internal.h
in include
 40 - 305 305 1
inet.h
in include/arpa
 16 - 305 305 1
socket.h
in include/sys
 16 - 305 305 1
threads.h
in include
 16 - 305 305 1
unistd.h
in include
 16 - 305 305 1
assert.h
in include
 12 - 305 305 1
errno.h
in include
 12 - 305 305 1
fenv.h
in include
 12 - 305 305 1
math.h
in include
 12 - 305 305 1
signal.h
in include
 12 - 305 305 1
stdio.h
in include
 12 - 305 305 1
stdlib.h
in include
 12 - 305 305 1
string.h
in include
 12 - 305 305 1
time.h
in include
 12 - 305 305 1
tex
void-ptr-replacements.tex
in spec/bounds_safety
 314 - 180 1243 5
socket_checked.h
in include/sys
 110 - 305 1244 5
inet_checked.h
in include/arpa
 21 - 305 1244 4
assert_checked.h
in include
 38 - 305 1272 5
errno_checked.h
in include
 23 - 305 1278 4
checkedc_extensions.h
in include
 25 1 234 1287 6
Most Recently Changed Files (Top 20)
File# lines# unitslast modified
(days ago)		created
(days ago)		# changes
tex
interoperation.tex
in spec/bounds_safety
 1364 - 146 2191 45
tex
core-extensions.tex
in spec/bounds_safety
 1396 - 153 2191 43
tex
void-ptr-replacements.tex
in spec/bounds_safety
 314 - 180 1243 5
stdio_checked.h
in include
 140 - 234 1872 17
checkedc_extensions.h
in include
 25 1 234 1287 6
tex
checking-variable-bounds.tex
in spec/bounds_safety
 2120 - 235 2183 30
tex
checkedc.tex
in spec/bounds_safety
 221 - 269 2191 38
socket_checked.h
in include/sys
 110 - 305 1244 5
string_checked.h
in include
 105 - 305 1872 19
stdlib_checked.h
in include
 84 - 305 1872 14
threads_checked.h
in include
 67 - 305 1872 6
inttypes_checked_internal.h
in include
 40 - 305 305 1
assert_checked.h
in include
 38 - 305 1272 5
time_checked.h
in include
 32 - 305 1872 7
unistd_checked.h
in include
 32 - 305 1546 7
math_checked.h
in include
 29 - 305 1872 7
errno_checked.h
in include
 23 - 305 1278 4
fenv_checked.h
in include
 22 - 305 1872 6
signal_checked.h
in include
 22 - 305 1872 6
inet_checked.h
in include/arpa
 21 - 305 1244 4