Fixed negatives in strtod(); implemented strto[l/ul/ll/ull]().

2 files changed, 198 insertions, 0 deletions

diff --git a/tests/parseInt/output.txt b/tests/parseInt/output.txt
new file mode 100644
index 00000000..f487db74
--- /dev/null
+++ b/tests/parseInt/output.txt
@@ -0,0 +1,134 @@
+strtol("-9223372036854775809") = -2147483648
+ERR 34
+strtoll("-9223372036854775809") = -9223372036854776000
+ERR 34
+strtoul("-9223372036854775809") = 4294967295
+ERR 34
+strtoull("-9223372036854775809") = 9223372036854774000
+
+strtol("-9223372036854775808") = -2147483648
+ERR 34
+strtoll("-9223372036854775808") = -9223372036854776000
+ERR 34
+strtoul("-9223372036854775808") = 4294967295
+ERR 34
+strtoull("-9223372036854775808") = 9223372036854774000
+
+strtol("-9223372036854775807") = -2147483648
+ERR 34
+strtoll("-9223372036854775807") = -9223372036854776000
+ERR 34
+strtoul("-9223372036854775807") = 4294967295
+ERR 34
+strtoull("-9223372036854775807") = 9223372036854774000
+
+strtol("-2147483649") = -2147483648
+ERR 34
+strtoll("-2147483649") = -2147483649
+strtoul("-2147483649") = 2147483647
+strtoull("-2147483649") = 18446744071562068000
+
+strtol("-2147483648") = -2147483648
+strtoll("-2147483648") = -2147483648
+strtoul("-2147483648") = 2147483648
+strtoull("-2147483648") = 18446744071562068000
+
+strtol("-2147483647") = -2147483647
+strtoll("-2147483647") = -2147483647
+strtoul("-2147483647") = 2147483649
+strtoull("-2147483647") = 18446744071562068000
+
+strtol("-5") = -5
+strtoll("-5") = -5
+strtoul("-5") = 4294967291
+strtoull("-5") = 18446744073709552000
+
+strtol("-1") = -1
+strtoll("-1") = -1
+strtoul("-1") = 4294967295
+strtoull("-1") = 18446744073709552000
+
+strtol("0") = 0
+strtoll("0") = 0
+strtoul("0") = 0
+strtoull("0") = 0
+
+strtol("1") = 1
+strtoll("1") = 1
+strtoul("1") = 1
+strtoull("1") = 1
+
+strtol("5") = 5
+strtoll("5") = 5
+strtoul("5") = 5
+strtoull("5") = 5
+
+strtol("2147483646") = 2147483646
+strtoll("2147483646") = 2147483646
+strtoul("2147483646") = 2147483646
+strtoull("2147483646") = 2147483646
+
+strtol("2147483647") = 2147483647
+strtoll("2147483647") = 2147483647
+strtoul("2147483647") = 2147483647
+strtoull("2147483647") = 2147483647
+
+strtol("2147483648") = 2147483647
+ERR 34
+strtoll("2147483648") = 2147483648
+strtoul("2147483648") = 2147483648
+strtoull("2147483648") = 2147483648
+
+strtol("4294967294") = 2147483647
+ERR 34
+strtoll("4294967294") = 4294967294
+strtoul("4294967294") = 4294967294
+strtoull("4294967294") = 4294967294
+
+strtol("4294967295") = 2147483647
+ERR 34
+strtoll("4294967295") = 4294967295
+strtoul("4294967295") = 4294967295
+strtoull("4294967295") = 4294967295
+
+strtol("4294967296") = 2147483647
+ERR 34
+strtoll("4294967296") = 4294967296
+strtoul("4294967296") = 4294967295
+ERR 34
+strtoull("4294967296") = 4294967296
+
+strtol("18446744073709551614") = 2147483647
+ERR 34
+strtoll("18446744073709551614") = 9223372036854776000
+ERR 34
+strtoul("18446744073709551614") = 4294967295
+ERR 34
+strtoull("18446744073709551614") = 18446744073709552000
+
+strtol("18446744073709551615") = 2147483647
+ERR 34
+strtoll("18446744073709551615") = 9223372036854776000
+ERR 34
+strtoul("18446744073709551615") = 4294967295
+ERR 34
+strtoull("18446744073709551615") = 18446744073709552000
+
+strtol("18446744073709551616") = 2147483647
+ERR 34
+strtoll("18446744073709551616") = 9223372036854776000
+ERR 34
+strtoul("18446744073709551616") = 4294967295
+ERR 34
+strtoull("18446744073709551616") = 18446744073709552000
+
+strtol("0x12", 0, 0) = 18
+strtol("0x12", 0, 10) = 0
+strtol("012", 0, 0) = 10
+strtol("012", 0, 10) = 12
+strtol("0y12", 0, 0) = 0
+strtol("hello", 0, 30) = 14167554
+strtol("hello", 0, 10) = 0
+strtol("not-a-number") = 0
+strtol("  0x12end") = 302
+endptr - str = 7
diff --git a/tests/parseInt/src.c b/tests/parseInt/src.c
new file mode 100644
index 00000000..dde15410
--- /dev/null
+++ b/tests/parseInt/src.c
@@ -0,0 +1,64 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+void check_error() {
+  if (errno) {
+    printf("ERR %d\n", errno);
+    errno = 0;
+  }
+}
+
+int main() {
+  char* test_values[] = {
+    "-9223372036854775809",
+    "-9223372036854775808",
+    "-9223372036854775807",
+    "-2147483649",
+    "-2147483648",
+    "-2147483647",
+    "-5",
+    "-1",
+    "0",
+    "1",
+    "5",
+    "2147483646",
+    "2147483647",
+    "2147483648",
+    "4294967294",
+    "4294967295",
+    "4294967296",
+    "18446744073709551614",
+    "18446744073709551615",
+    "18446744073709551616",
+  };
+
+  for (int i = 0; i < sizeof(test_values) / sizeof(test_values[0]); i++) {
+    printf("strtol(\"%s\") = %ld\n", test_values[i], strtol(test_values[i], 0, 0));
+    check_error();
+    printf("strtoll(\"%s\") = %lld\n", test_values[i], strtoll(test_values[i], 0, 0));
+    check_error();
+    printf("strtoul(\"%s\") = %lu\n", test_values[i], strtoul(test_values[i], 0, 0));
+    check_error();
+    printf("strtoull(\"%s\") = %llu\n", test_values[i], strtoull(test_values[i], 0, 0));
+    check_error();
+    printf("\n");
+  }
+
+  printf("strtol(\"0x12\", 0, 0) = %ld\n", strtol("0x12", 0, 0));
+  printf("strtol(\"0x12\", 0, 10) = %ld\n", strtol("0x12", 0, 10));
+  printf("strtol(\"012\", 0, 0) = %ld\n", strtol("012", 0, 0));
+  printf("strtol(\"012\", 0, 10) = %ld\n", strtol("012", 0, 10));
+  printf("strtol(\"0y12\", 0, 0) = %ld\n", strtol("0y12", 0, 0));
+  printf("strtol(\"hello\", 0, 30) = %ld\n", strtol("hello", 0, 30));
+  printf("strtol(\"hello\", 0, 10) = %ld\n", strtol("hello", 0, 10));
+  printf("strtol(\"not-a-number\") = %ld\n", strtol("not-a-number", 0, 0));
+
+  char str[] = "  0x12end";
+  char* endptr;
+  printf("strtol(\"  0x12end\") = %ld\n", strtol(str, &endptr, 0));
+  printf("endptr - str = %d\n", endptr - str);
+  check_error();
+
+  return 0;
+}