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Add zlib and liblzma functions used in The Silver Searcher to LibraryFunctions #1167

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merged 3 commits into from
Sep 18, 2023
Merged

Add zlib and liblzma functions used in The Silver Searcher to LibraryFunctions #1167

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a365729
Add zlib and liblzma functions used in the silver searcher
karoliineh Sep 14, 2023
4444284
Remove duplicate vsprintf and add vsnprintf
karoliineh Sep 18, 2023
684cfa8
Apply suggestions from code review
karoliineh Sep 18, 2023
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19 changes: 18 additions & 1 deletion src/analyses/libraryFunctions.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,8 @@ let c_descs_list: (string * LibraryDesc.t) list = LibraryDsl.[
("vprintf", unknown [drop "format" [r]; drop "vlist" [r_deep]]); (* TODO: what to do with a va_list type? is r_deep correct? *)
("vfprintf", unknown [drop "stream" [r_deep; w_deep]; drop "format" [r]; drop "vlist" [r_deep]]); (* TODO: what to do with a va_list type? is r_deep correct? *)
("vsprintf", unknown [drop "buffer" [w]; drop "format" [r]; drop "vlist" [r_deep]]); (* TODO: what to do with a va_list type? is r_deep correct? *)
("vasprintf", unknown [drop "strp" [w]; drop "format" [r]; drop "ap" [r_deep]]); (* TODO: what to do with a va_list type? is r_deep correct? *)
("vsnprintf", unknown [drop "str" [w]; drop "size" []; drop "format" [r]; drop "ap" [r_deep]]); (* TODO: what to do with a va_list type? is r_deep correct? *)
("mktime", unknown [drop "tm" [r;w]]);
("ctime", unknown ~attrs:[ThreadUnsafe] [drop "rm" [r]]);
("clearerr", unknown [drop "stream" [w]]);
Expand Down Expand Up @@ -288,6 +290,7 @@ let posix_descs_list: (string * LibraryDesc.t) list = LibraryDsl.[
("ftw", unknown ~attrs:[ThreadUnsafe] [drop "dirpath" [r]; drop "fn" [s]; drop "nopenfd" []]); (* TODO: use Call instead of Spawn *)
("nftw", unknown ~attrs:[ThreadUnsafe] [drop "dirpath" [r]; drop "fn" [s]; drop "nopenfd" []; drop "flags" []]); (* TODO: use Call instead of Spawn *)
("fnmatch", unknown [drop "pattern" [r]; drop "string" [r]; drop "flags" []]);
("realpath", unknown [drop "path" [r]; drop "resolved_path" [w]]);
]

(** Pthread functions. *)
Expand Down Expand Up @@ -824,6 +827,19 @@ let pcre_descs_list: (string * LibraryDesc.t) list = LibraryDsl.[
("pcre_version", unknown []);
]

let zlib_descs_list: (string * LibraryDesc.t) list = LibraryDsl.[
("inflate", unknown [drop "strm" [r_deep; w_deep]; drop "flush" []]);
("inflateInit2", unknown [drop "strm" [r_deep; w_deep]; drop "windowBits" []]);
("inflateInit2_", unknown [drop "strm" [r_deep; w_deep]; drop "windowBits" []; drop "version" [r]; drop "stream_size" []]);
("inflateEnd", unknown [drop "strm" [f_deep]]);
]

let liblzma_descs_list: (string * LibraryDesc.t) list = LibraryDsl.[
("lzma_code", unknown [drop "strm" [r_deep; w_deep]; drop "action" []]);
("lzma_auto_decoder", unknown [drop "strm" [r_deep; w_deep]; drop "memlimit" []; drop "flags" []]);
("lzma_end", unknown [drop "strm" [r_deep; w_deep; f_deep]]);
]

let libraries = Hashtbl.of_list [
("c", c_descs_list @ math_descs_list);
("posix", posix_descs_list);
Expand All @@ -837,6 +853,8 @@ let libraries = Hashtbl.of_list [
("ncurses", ncurses_descs_list);
("zstd", zstd_descs_list);
("pcre", pcre_descs_list);
("zlib", zlib_descs_list);
("liblzma", liblzma_descs_list);
]

let activated_library_descs: (string, LibraryDesc.t) Hashtbl.t ResettableLazy.t =
Expand Down Expand Up @@ -1071,7 +1089,6 @@ let invalidate_actions = [
"usleep", readsAll;
"svc_run", writesAll;(*unsafe*)
"dup", readsAll; (*safe*)
"vsnprintf", writesAllButFirst 3 readsAll; (*drop 3*)
"__builtin___vsnprintf", writesAllButFirst 3 readsAll; (*drop 3*)
"__builtin___vsnprintf_chk", writesAllButFirst 3 readsAll; (*drop 3*)
"strcasecmp", readsAll; (*safe*)
Expand Down
4 changes: 3 additions & 1 deletion src/util/options.schema.json
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Expand Up @@ -1285,7 +1285,9 @@
"sv-comp",
"ncurses",
"zstd",
"pcre"
"pcre",
"zlib",
"liblzma"
]
},
"default": [
Expand Down
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