Use UTF-8 for redox paths

Cargo.lock

@@ -13,8 +13,8 @@ name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hermit-abi 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.82 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.86 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -34,13 +34,13 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clap 2.33.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.118 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.61 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.123 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.62 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 3.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -57,11 +57,6 @@ name = "cc"
 version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "cfg-if"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -102,12 +97,12 @@ version = "0.1.0"
 
 [[package]]
 name = "getrandom"
-version = "0.1.16"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.82 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.86 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasi 0.10.2+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -115,17 +110,17 @@ name = "goblin"
 version = "0.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "log 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "plain 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "scroll 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.82 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.86 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -147,15 +142,15 @@ version = "0.1.0"
 
 [[package]]
 name = "libc"
-version = "0.2.82"
+version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "log"
-version = "0.4.13"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -219,7 +214,7 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.8"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -251,23 +246,22 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.7.3"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.82 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.86 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.2"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ppv-lite86 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -285,18 +279,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rand_core"
-version = "0.5.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_hc"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -306,7 +300,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.3"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -314,7 +308,7 @@ dependencies = [
 
 [[package]]
 name = "relibc"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
  "cbindgen 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "cbitset 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -327,7 +321,7 @@ dependencies = [
  "posix-regex 0.1.0",
  "ralloc 1.0.0",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -405,30 +399,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.118"
+version = "1.0.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.118 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.123 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.118"
+version = "1.0.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.61"
+version = "1.0.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.118 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.123 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -453,23 +447,23 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.58"
+version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tempfile"
-version = "3.1.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.82 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.86 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -487,7 +481,7 @@ name = "toml"
 version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.118 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.123 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -517,7 +511,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
+version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -547,16 +541,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum cbindgen 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2db2df1ebc842c41fd2c4ae5b5a577faf63bd5151b953db752fc686812bee318"
 "checksum cbitset 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e3a9afa72f63942dd7e7f01c67b863ce9df35c523ae10e3dddd3eec8f1e07eac"
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-"checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 "checksum cfg-if 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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 "checksum goblin 0.0.21 (registry+https://github.com/rust-lang/crates.io-index)" = "6a4013e9182f2345c6b7829b9ef6e670bce0dfca12c6f974457ed2160c2c7fe9"
-"checksum hermit-abi 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
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-"checksum libc 0.2.82 (registry+https://github.com/rust-lang/crates.io-index)" = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
-"checksum log 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)" = "fcf3805d4480bb5b86070dcfeb9e2cb2ebc148adb753c5cca5f884d1d65a42b2"
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+"checksum log 0.4.14 (registry+https://github.com/rust-lang/crates.io-index)" = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
 "checksum memchr 2.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
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 "checksum num-traits 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
@@ -565,16 +558,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
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-"checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
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-"checksum redox_syscall 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6c1e5077c0c85991d2fb649317fe7c41cdb057692b23a542918875070012e7f5"
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 "checksum remove_dir_all 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
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@@ -585,14 +578,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum semver 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)" = "d4f410fedcf71af0345d7607d246e7ad15faaadd49d240ee3b24e5dc21a820ac"
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-"checksum serde 1.0.118 (registry+https://github.com/rust-lang/crates.io-index)" = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
-"checksum serde_derive 1.0.118 (registry+https://github.com/rust-lang/crates.io-index)" = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
-"checksum serde_json 1.0.61 (registry+https://github.com/rust-lang/crates.io-index)" = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
+"checksum serde 1.0.123 (registry+https://github.com/rust-lang/crates.io-index)" = "92d5161132722baa40d802cc70b15262b98258453e85e5d1d365c757c73869ae"
+"checksum serde_derive 1.0.123 (registry+https://github.com/rust-lang/crates.io-index)" = "9391c295d64fc0abb2c556bad848f33cb8296276b1ad2677d1ae1ace4f258f31"
+"checksum serde_json 1.0.62 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1c6153794552ea7cf7cf63b1231a25de00ec90db326ba6264440fa08e31486"
 "checksum spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ceac490aa12c567115b40b7b7fceca03a6c9d53d5defea066123debc83c5dc1f"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
-"checksum syn 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)" = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
-"checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+"checksum syn 1.0.60 (registry+https://github.com/rust-lang/crates.io-index)" = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
+"checksum tempfile 3.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
 "checksum toml 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)" = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 "checksum unborrow 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e92e959f029e4f8ee25d70d15ab58d2b46f98a17bc238b9265ff0c26f6f3d67f"
@@ -600,7 +593,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 "checksum vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-"checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+"checksum wasi 0.10.2+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 "checksum winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "relibc"
-version = "0.1.0"
+version = "0.2.5"
 authors = ["Jeremy Soller <jackpot51@gmail.com>"]
 edition = "2018"
 
@@ -39,7 +39,7 @@ optional = true
 sc = "0.2.3"
 
 [target.'cfg(target_os = "redox")'.dependencies]
-redox_syscall = "0.2.3"
+redox_syscall = "0.2.5"
 spin = "0.4.10"
 
 [features]

src/ld_so/access.rs

@@ -24,7 +24,11 @@ unsafe fn access(path: *const c_char, mode: c_int) -> c_int {
 // Wrapper over the systemcall, Do not use outside of ld_so
 #[cfg(target_os = "redox")]
 unsafe fn access(path: *const c_char, mode: c_int) -> c_int {
-    let path = CStr::from_ptr(path).to_bytes();
+    use core::str;
+    let path = match str::from_utf8(CStr::from_ptr(path).to_bytes()) {
+        Ok(ok) => ok,
+        Err(_) => return -1,
+    };
     let fd = match syscall::open(path, syscall::O_CLOEXEC) {
         Ok(fd) => fd,
         _ => return -1,

src/platform/redox/mod.rs

@@ -1,4 +1,4 @@
-use core::{mem, ptr, result::Result as CoreResult, slice};
+use core::{mem, ptr, result::Result as CoreResult, slice, str};
 use syscall::{
     self,
     data::{Map, Stat as redox_stat, StatVfs as redox_statvfs, TimeSpec as redox_timespec},
@@ -37,6 +37,20 @@ mod ptrace;
 mod signal;
 mod socket;
 
+macro_rules! path_from_c_str {
+    ($c_str:expr) => {{
+        match $c_str.to_str() {
+            Ok(ok) => ok,
+            Err(err) => {
+                unsafe {
+                    errno = EINVAL;
+                }
+                return -1;
+            }
+        }
+    }};
+}
+
 pub fn e(sys: Result<usize>) -> usize {
     match sys {
         Ok(ok) => ok,
@@ -138,7 +152,8 @@ impl Pal for Sys {
     }
 
     fn chdir(path: &CStr) -> c_int {
-        e(syscall::chdir(path.to_bytes())) as c_int
+        let path = path_from_c_str!(path);
+        e(syscall::chdir(path)) as c_int
     }
 
     fn chmod(path: &CStr, mode: mode_t) -> c_int {
@@ -330,7 +345,13 @@ impl Pal for Sys {
         if res == !0 {
             !0
         } else {
-            e(syscall::chdir(&buf[..res])) as c_int
+            match str::from_utf8(&buf[..res]) {
+                Ok(path) => e(syscall::chdir(&path)) as c_int,
+                Err(_) => {
+                    unsafe { errno = EINVAL };
+                    return -1;
+                }
+            }
         }
     }
 
@@ -783,8 +804,9 @@ impl Pal for Sys {
     }
 
     fn open(path: &CStr, oflag: c_int, mode: mode_t) -> c_int {
+        let path = path_from_c_str!(path);
         e(syscall::open(
-            path.to_bytes(),
+            path,
             ((oflag as usize) & 0xFFFF_0000) | ((mode as usize) & 0xFFFF),
         )) as c_int
     }
@@ -883,14 +905,16 @@ impl Pal for Sys {
     }
 
     fn rename(oldpath: &CStr, newpath: &CStr) -> c_int {
+        let newpath = path_from_c_str!(newpath);
         match File::open(oldpath, fcntl::O_PATH | fcntl::O_CLOEXEC) {
-            Ok(file) => e(syscall::frename(*file as usize, newpath.to_bytes())) as c_int,
+            Ok(file) => e(syscall::frename(*file as usize, newpath)) as c_int,
             Err(_) => -1,
         }
     }
 
     fn rmdir(path: &CStr) -> c_int {
-        e(syscall::rmdir(path.to_bytes())) as c_int
+        let path = path_from_c_str!(path);
+        e(syscall::rmdir(path)) as c_int
     }
 
     fn sched_yield() -> c_int {
@@ -1016,7 +1040,8 @@ impl Pal for Sys {
     }
 
     fn unlink(path: &CStr) -> c_int {
-        e(syscall::unlink(path.to_bytes())) as c_int
+        let path = path_from_c_str!(path);
+        e(syscall::unlink(path)) as c_int
     }
 
     fn waitpid(mut pid: pid_t, stat_loc: *mut c_int, options: c_int) -> pid_t {