From 9769512036e37852f7fedcec2e045537003a06d6 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Thu, 21 Jul 2022 00:19:57 -0700
Subject: [PATCH] Factor out IS_BLANKZ_AT macro

---
 src/emitter.rs | 391 ++-----------------------------------------------
 src/macros.rs  |  50 ++++---
 src/scanner.rs | 327 ++---------------------------------------
 3 files changed, 52 insertions(+), 716 deletions(-)

diff --git a/src/emitter.rs b/src/emitter.rs
index 8b217aa..ac645a8 100644
--- a/src/emitter.rs
+++ b/src/emitter.rs
@@ -1747,8 +1747,9 @@ unsafe fn yaml_emitter_analyze_scalar(
         flow_indicators = 1_i32;
     }
     preceded_by_whitespace = 1_i32;
-    followed_by_whitespace = (*string.pointer.wrapping_offset(
-        (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
+    followed_by_whitespace = IS_BLANKZ_AT!(
+        string,
+        if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
             1_i32
         } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
             2_i32
@@ -1758,178 +1759,8 @@ unsafe fn yaml_emitter_analyze_scalar(
             4_i32
         } else {
             0_i32
-        }) as isize,
-    ) as libc::c_int
-        == ' ' as i32 as yaml_char_t as libc::c_int
-        || *string.pointer.wrapping_offset(
-            (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                1_i32
-            } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                2_i32
-            } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                3_i32
-            } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                4_i32
-            } else {
-                0_i32
-            }) as isize,
-        ) as libc::c_int
-            == '\t' as i32 as yaml_char_t as libc::c_int
-        || (*string.pointer.wrapping_offset(
-            (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                1_i32
-            } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                2_i32
-            } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                3_i32
-            } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                4_i32
-            } else {
-                0_i32
-            }) as isize,
-        ) as libc::c_int
-            == '\r' as i32 as yaml_char_t as libc::c_int
-            || *string.pointer.wrapping_offset(
-                (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                    1_i32
-                } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                    2_i32
-                } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                    3_i32
-                } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                    4_i32
-                } else {
-                    0_i32
-                }) as isize,
-            ) as libc::c_int
-                == '\n' as i32 as yaml_char_t as libc::c_int
-            || *string.pointer.wrapping_offset(
-                (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                    1_i32
-                } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                    2_i32
-                } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                    3_i32
-                } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                    4_i32
-                } else {
-                    0_i32
-                }) as isize,
-            ) as libc::c_int
-                == -62i32 as yaml_char_t as libc::c_int
-                && *string.pointer.wrapping_offset(
-                    ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                        1_i32
-                    } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                        2_i32
-                    } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                        3_i32
-                    } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                        4_i32
-                    } else {
-                        0_i32
-                    }) + 1_i32) as isize,
-                ) as libc::c_int
-                    == -123i32 as yaml_char_t as libc::c_int
-            || *string.pointer.wrapping_offset(
-                (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                    1_i32
-                } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                    2_i32
-                } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                    3_i32
-                } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                    4_i32
-                } else {
-                    0_i32
-                }) as isize,
-            ) as libc::c_int
-                == -30i32 as yaml_char_t as libc::c_int
-                && *string.pointer.wrapping_offset(
-                    ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                        1_i32
-                    } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                        2_i32
-                    } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                        3_i32
-                    } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                        4_i32
-                    } else {
-                        0_i32
-                    }) + 1_i32) as isize,
-                ) as libc::c_int
-                    == -128i32 as yaml_char_t as libc::c_int
-                && *string.pointer.wrapping_offset(
-                    ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                        1_i32
-                    } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                        2_i32
-                    } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                        3_i32
-                    } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                        4_i32
-                    } else {
-                        0_i32
-                    }) + 2_i32) as isize,
-                ) as libc::c_int
-                    == -88i32 as yaml_char_t as libc::c_int
-            || *string.pointer.wrapping_offset(
-                (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                    1_i32
-                } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                    2_i32
-                } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                    3_i32
-                } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                    4_i32
-                } else {
-                    0_i32
-                }) as isize,
-            ) as libc::c_int
-                == -30i32 as yaml_char_t as libc::c_int
-                && *string.pointer.wrapping_offset(
-                    ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                        1_i32
-                    } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                        2_i32
-                    } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                        3_i32
-                    } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                        4_i32
-                    } else {
-                        0_i32
-                    }) + 1_i32) as isize,
-                ) as libc::c_int
-                    == -128i32 as yaml_char_t as libc::c_int
-                && *string.pointer.wrapping_offset(
-                    ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                        1_i32
-                    } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                        2_i32
-                    } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                        3_i32
-                    } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                        4_i32
-                    } else {
-                        0_i32
-                    }) + 2_i32) as isize,
-                ) as libc::c_int
-                    == -87i32 as yaml_char_t as libc::c_int
-            || *string.pointer.wrapping_offset(
-                (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                    1_i32
-                } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                    2_i32
-                } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                    3_i32
-                } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                    4_i32
-                } else {
-                    0_i32
-                }) as isize,
-            ) as libc::c_int
-                == '\0' as i32 as yaml_char_t as libc::c_int))
-        as libc::c_int;
+        }
+    ) as libc::c_int;
     while string.pointer != string.end {
         if string.start == string.pointer {
             if *string.pointer as libc::c_int == '#' as i32 as yaml_char_t as libc::c_int
@@ -2100,8 +1931,9 @@ unsafe fn yaml_emitter_analyze_scalar(
         preceded_by_whitespace = IS_BLANKZ!(string) as libc::c_int;
         MOVE!(string);
         if string.pointer != string.end {
-            followed_by_whitespace = (*string.pointer.wrapping_offset(
-                (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
+            followed_by_whitespace = IS_BLANKZ_AT!(
+                string,
+                if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
                     1_i32
                 } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
                     2_i32
@@ -2111,178 +1943,8 @@ unsafe fn yaml_emitter_analyze_scalar(
                     4_i32
                 } else {
                     0_i32
-                }) as isize,
-            ) as libc::c_int
-                == ' ' as i32 as yaml_char_t as libc::c_int
-                || *string.pointer.wrapping_offset(
-                    (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                        1_i32
-                    } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                        2_i32
-                    } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                        3_i32
-                    } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                        4_i32
-                    } else {
-                        0_i32
-                    }) as isize,
-                ) as libc::c_int
-                    == '\t' as i32 as yaml_char_t as libc::c_int
-                || (*string.pointer.wrapping_offset(
-                    (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                        1_i32
-                    } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                        2_i32
-                    } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                        3_i32
-                    } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                        4_i32
-                    } else {
-                        0_i32
-                    }) as isize,
-                ) as libc::c_int
-                    == '\r' as i32 as yaml_char_t as libc::c_int
-                    || *string.pointer.wrapping_offset(
-                        (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                            1_i32
-                        } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                            2_i32
-                        } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                            3_i32
-                        } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                            4_i32
-                        } else {
-                            0_i32
-                        }) as isize,
-                    ) as libc::c_int
-                        == '\n' as i32 as yaml_char_t as libc::c_int
-                    || *string.pointer.wrapping_offset(
-                        (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                            1_i32
-                        } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                            2_i32
-                        } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                            3_i32
-                        } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                            4_i32
-                        } else {
-                            0_i32
-                        }) as isize,
-                    ) as libc::c_int
-                        == -62i32 as yaml_char_t as libc::c_int
-                        && *string.pointer.wrapping_offset(
-                            ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                                1_i32
-                            } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                                2_i32
-                            } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                                3_i32
-                            } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                                4_i32
-                            } else {
-                                0_i32
-                            }) + 1_i32) as isize,
-                        ) as libc::c_int
-                            == -123i32 as yaml_char_t as libc::c_int
-                    || *string.pointer.wrapping_offset(
-                        (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                            1_i32
-                        } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                            2_i32
-                        } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                            3_i32
-                        } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                            4_i32
-                        } else {
-                            0_i32
-                        }) as isize,
-                    ) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *string.pointer.wrapping_offset(
-                            ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                                1_i32
-                            } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                                2_i32
-                            } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                                3_i32
-                            } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                                4_i32
-                            } else {
-                                0_i32
-                            }) + 1_i32) as isize,
-                        ) as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *string.pointer.wrapping_offset(
-                            ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                                1_i32
-                            } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                                2_i32
-                            } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                                3_i32
-                            } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                                4_i32
-                            } else {
-                                0_i32
-                            }) + 2_i32) as isize,
-                        ) as libc::c_int
-                            == -88i32 as yaml_char_t as libc::c_int
-                    || *string.pointer.wrapping_offset(
-                        (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                            1_i32
-                        } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                            2_i32
-                        } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                            3_i32
-                        } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                            4_i32
-                        } else {
-                            0_i32
-                        }) as isize,
-                    ) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *string.pointer.wrapping_offset(
-                            ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                                1_i32
-                            } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                                2_i32
-                            } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                                3_i32
-                            } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                                4_i32
-                            } else {
-                                0_i32
-                            }) + 1_i32) as isize,
-                        ) as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *string.pointer.wrapping_offset(
-                            ((if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                                1_i32
-                            } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                                2_i32
-                            } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                                3_i32
-                            } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                                4_i32
-                            } else {
-                                0_i32
-                            }) + 2_i32) as isize,
-                        ) as libc::c_int
-                            == -87i32 as yaml_char_t as libc::c_int
-                    || *string.pointer.wrapping_offset(
-                        (if *string.pointer as libc::c_int & 0x80_i32 == 0_i32 {
-                            1_i32
-                        } else if *string.pointer as libc::c_int & 0xe0_i32 == 0xc0_i32 {
-                            2_i32
-                        } else if *string.pointer as libc::c_int & 0xf0_i32 == 0xe0_i32 {
-                            3_i32
-                        } else if *string.pointer as libc::c_int & 0xf8_i32 == 0xf0_i32 {
-                            4_i32
-                        } else {
-                            0_i32
-                        }) as isize,
-                    ) as libc::c_int
-                        == '\0' as i32 as yaml_char_t as libc::c_int))
-                as libc::c_int;
+                }
+            ) as libc::c_int;
         }
     }
     (*emitter).scalar_data.multiline = line_breaks;
@@ -3335,38 +2997,7 @@ unsafe fn yaml_emitter_write_folded_scalar(
                         0_i32
                     };
                 }
-                if !(*string.pointer.wrapping_offset(k as isize) as libc::c_int
-                    == ' ' as i32 as yaml_char_t as libc::c_int
-                    || *string.pointer.wrapping_offset(k as isize) as libc::c_int
-                        == '\t' as i32 as yaml_char_t as libc::c_int
-                    || (*string.pointer.wrapping_offset(k as isize) as libc::c_int
-                        == '\r' as i32 as yaml_char_t as libc::c_int
-                        || *string.pointer.wrapping_offset(k as isize) as libc::c_int
-                            == '\n' as i32 as yaml_char_t as libc::c_int
-                        || *string.pointer.wrapping_offset(k as isize) as libc::c_int
-                            == -62i32 as yaml_char_t as libc::c_int
-                            && *string.pointer.wrapping_offset((k + 1_i32) as isize)
-                                as libc::c_int
-                                == -123i32 as yaml_char_t as libc::c_int
-                        || *string.pointer.wrapping_offset(k as isize) as libc::c_int
-                            == -30i32 as yaml_char_t as libc::c_int
-                            && *string.pointer.wrapping_offset((k + 1_i32) as isize)
-                                as libc::c_int
-                                == -128i32 as yaml_char_t as libc::c_int
-                            && *string.pointer.wrapping_offset((k + 2_i32) as isize)
-                                as libc::c_int
-                                == -88i32 as yaml_char_t as libc::c_int
-                        || *string.pointer.wrapping_offset(k as isize) as libc::c_int
-                            == -30i32 as yaml_char_t as libc::c_int
-                            && *string.pointer.wrapping_offset((k + 1_i32) as isize)
-                                as libc::c_int
-                                == -128i32 as yaml_char_t as libc::c_int
-                            && *string.pointer.wrapping_offset((k + 2_i32) as isize)
-                                as libc::c_int
-                                == -87i32 as yaml_char_t as libc::c_int
-                        || *string.pointer.wrapping_offset(k as isize) as libc::c_int
-                            == '\0' as i32 as yaml_char_t as libc::c_int))
-                {
+                if !IS_BLANKZ_AT!(string, k) {
                     if !(PUT_BREAK!(emitter)) {
                         return 0_i32;
                     }
diff --git a/src/macros.rs b/src/macros.rs
index e55c780..765ee79 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -1,23 +1,37 @@
+macro_rules! IS_BLANKZ_AT {
+    ($string:expr, $offset:expr) => {
+        (*$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+            == ' ' as i32 as yaml_char_t as libc::c_int
+            || *$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+                == '\t' as i32 as yaml_char_t as libc::c_int
+            || (*$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+                == '\r' as i32 as yaml_char_t as libc::c_int
+                || *$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+                    == '\n' as i32 as yaml_char_t as libc::c_int
+                || *$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+                    == -62i32 as yaml_char_t as libc::c_int
+                    && *$string.pointer.wrapping_offset($offset as isize + 1) as libc::c_int
+                        == -123i32 as yaml_char_t as libc::c_int
+                || *$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+                    == -30i32 as yaml_char_t as libc::c_int
+                    && *$string.pointer.wrapping_offset($offset as isize + 1) as libc::c_int
+                        == -128i32 as yaml_char_t as libc::c_int
+                    && *$string.pointer.wrapping_offset($offset as isize + 2) as libc::c_int
+                        == -88i32 as yaml_char_t as libc::c_int
+                || *$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+                    == -30i32 as yaml_char_t as libc::c_int
+                    && *$string.pointer.wrapping_offset($offset as isize + 1) as libc::c_int
+                        == -128i32 as yaml_char_t as libc::c_int
+                    && *$string.pointer.wrapping_offset($offset as isize + 2) as libc::c_int
+                        == -87i32 as yaml_char_t as libc::c_int
+                || *$string.pointer.wrapping_offset($offset as isize) as libc::c_int
+                    == '\0' as i32 as yaml_char_t as libc::c_int))
+    };
+}
+
 macro_rules! IS_BLANKZ {
     ($string:expr) => {
-        *$string.pointer as libc::c_int == ' ' as i32 as yaml_char_t as libc::c_int
-            || *$string.pointer as libc::c_int == '\t' as i32 as yaml_char_t as libc::c_int
-            || (*$string.pointer as libc::c_int == '\r' as i32 as yaml_char_t as libc::c_int
-                || *$string.pointer as libc::c_int == '\n' as i32 as yaml_char_t as libc::c_int
-                || *$string.pointer as libc::c_int == -62i32 as yaml_char_t as libc::c_int
-                    && *$string.pointer.wrapping_offset(1_isize) as libc::c_int
-                        == -123i32 as yaml_char_t as libc::c_int
-                || *$string.pointer as libc::c_int == -30i32 as yaml_char_t as libc::c_int
-                    && *$string.pointer.wrapping_offset(1_isize) as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *$string.pointer.wrapping_offset(2_isize) as libc::c_int
-                        == -88i32 as yaml_char_t as libc::c_int
-                || *$string.pointer as libc::c_int == -30i32 as yaml_char_t as libc::c_int
-                    && *$string.pointer.wrapping_offset(1_isize) as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *$string.pointer.wrapping_offset(2_isize) as libc::c_int
-                        == -87i32 as yaml_char_t as libc::c_int
-                || *$string.pointer as libc::c_int == '\0' as i32 as yaml_char_t as libc::c_int)
+        IS_BLANKZ_AT!($string, 0)
     };
 }
 
diff --git a/src/scanner.rs b/src/scanner.rs
index 988fe5b..8089c93 100644
--- a/src/scanner.rs
+++ b/src/scanner.rs
@@ -386,37 +386,7 @@ unsafe fn yaml_parser_fetch_next_token(parser: *mut yaml_parser_t) -> libc::c_in
             == '-' as i32 as yaml_char_t as libc::c_int
         && *((*parser).buffer.pointer).wrapping_offset(2_isize) as libc::c_int
             == '-' as i32 as yaml_char_t as libc::c_int
-        && (*((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-            == ' ' as i32 as yaml_char_t as libc::c_int
-            || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                == '\t' as i32 as yaml_char_t as libc::c_int
-            || (*((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                == '\r' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == '\n' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == -62i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -123i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == -30i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 2_i32) as isize)
-                        as libc::c_int
-                        == -88i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == -30i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 2_i32) as isize)
-                        as libc::c_int
-                        == -87i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == '\0' as i32 as yaml_char_t as libc::c_int))
+        && IS_BLANKZ_AT!((*parser).buffer, 3)
     {
         return yaml_parser_fetch_document_indicator(parser, YAML_DOCUMENT_START_TOKEN);
     }
@@ -426,37 +396,7 @@ unsafe fn yaml_parser_fetch_next_token(parser: *mut yaml_parser_t) -> libc::c_in
             == '.' as i32 as yaml_char_t as libc::c_int
         && *((*parser).buffer.pointer).wrapping_offset(2_isize) as libc::c_int
             == '.' as i32 as yaml_char_t as libc::c_int
-        && (*((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-            == ' ' as i32 as yaml_char_t as libc::c_int
-            || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                == '\t' as i32 as yaml_char_t as libc::c_int
-            || (*((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                == '\r' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == '\n' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == -62i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -123i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == -30i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 2_i32) as isize)
-                        as libc::c_int
-                        == -88i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == -30i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((3_i32 + 2_i32) as isize)
-                        as libc::c_int
-                        == -87i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                    == '\0' as i32 as yaml_char_t as libc::c_int))
+        && IS_BLANKZ_AT!((*parser).buffer, 3)
     {
         return yaml_parser_fetch_document_indicator(parser, YAML_DOCUMENT_END_TOKEN);
     }
@@ -476,109 +416,17 @@ unsafe fn yaml_parser_fetch_next_token(parser: *mut yaml_parser_t) -> libc::c_in
         return yaml_parser_fetch_flow_entry(parser);
     }
     if *((*parser).buffer.pointer) as libc::c_int == '-' as i32 as yaml_char_t as libc::c_int
-        && (*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-            == ' ' as i32 as yaml_char_t as libc::c_int
-            || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                == '\t' as i32 as yaml_char_t as libc::c_int
-            || (*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                == '\r' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\n' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == -62i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -123i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == -30i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                        as libc::c_int
-                        == -88i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == -30i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                        as libc::c_int
-                        == -128i32 as yaml_char_t as libc::c_int
-                    && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                        as libc::c_int
-                        == -87i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\0' as i32 as yaml_char_t as libc::c_int))
+        && IS_BLANKZ_AT!((*parser).buffer, 1)
     {
         return yaml_parser_fetch_block_entry(parser);
     }
     if *((*parser).buffer.pointer) as libc::c_int == '?' as i32 as yaml_char_t as libc::c_int
-        && ((*parser).flow_level != 0
-            || (*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                == ' ' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\t' as i32 as yaml_char_t as libc::c_int
-                || (*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\r' as i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == '\n' as i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -62i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -123i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                            as libc::c_int
-                            == -88i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                            as libc::c_int
-                            == -87i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == '\0' as i32 as yaml_char_t as libc::c_int)))
+        && ((*parser).flow_level != 0 || IS_BLANKZ_AT!((*parser).buffer, 1))
     {
         return yaml_parser_fetch_key(parser);
     }
     if *((*parser).buffer.pointer) as libc::c_int == ':' as i32 as yaml_char_t as libc::c_int
-        && ((*parser).flow_level != 0
-            || (*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                == ' ' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\t' as i32 as yaml_char_t as libc::c_int
-                || (*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\r' as i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == '\n' as i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -62i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -123i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                            as libc::c_int
-                            == -88i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                            as libc::c_int
-                            == -87i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == '\0' as i32 as yaml_char_t as libc::c_int)))
+        && ((*parser).flow_level != 0 || IS_BLANKZ_AT!((*parser).buffer, 1))
     {
         return yaml_parser_fetch_value(parser);
     }
@@ -637,37 +485,7 @@ unsafe fn yaml_parser_fetch_next_token(parser: *mut yaml_parser_t) -> libc::c_in
                 == '?' as i32 as yaml_char_t as libc::c_int
                 || *((*parser).buffer.pointer) as libc::c_int
                     == ':' as i32 as yaml_char_t as libc::c_int)
-            && !(*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                == ' ' as i32 as yaml_char_t as libc::c_int
-                || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\t' as i32 as yaml_char_t as libc::c_int
-                || (*((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                    == '\r' as i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == '\n' as i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -62i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -123i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                            as libc::c_int
-                            == -88i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == -30i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 1_i32) as isize)
-                            as libc::c_int
-                            == -128i32 as yaml_char_t as libc::c_int
-                        && *((*parser).buffer.pointer).wrapping_offset((1_i32 + 2_i32) as isize)
-                            as libc::c_int
-                            == -87i32 as yaml_char_t as libc::c_int
-                    || *((*parser).buffer.pointer).wrapping_offset(1_isize) as libc::c_int
-                        == '\0' as i32 as yaml_char_t as libc::c_int))
+            && !IS_BLANKZ_AT!((*parser).buffer, 1)
     {
         return yaml_parser_fetch_plain_scalar(parser);
     }
@@ -3859,49 +3677,7 @@ unsafe fn yaml_parser_scan_flow_scalar(
                                     && *((*parser).buffer.pointer).wrapping_offset(2_isize)
                                         as libc::c_int
                                         == '.' as i32 as yaml_char_t as libc::c_int)
-                            && (*((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                                == ' ' as i32 as yaml_char_t as libc::c_int
-                                || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                    as libc::c_int
-                                    == '\t' as i32 as yaml_char_t as libc::c_int
-                                || (*((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                    as libc::c_int
-                                    == '\r' as i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == '\n' as i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == -62i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 1_i32) as isize)
-                                            as libc::c_int
-                                            == -123i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == -30i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 1_i32) as isize)
-                                            as libc::c_int
-                                            == -128i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 2_i32) as isize)
-                                            as libc::c_int
-                                            == -88i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == -30i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 1_i32) as isize)
-                                            as libc::c_int
-                                            == -128i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 2_i32) as isize)
-                                            as libc::c_int
-                                            == -87i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == '\0' as i32 as yaml_char_t as libc::c_int))
+                            && IS_BLANKZ_AT!((*parser).buffer, 3)
                         {
                             yaml_parser_set_scanner_error(
                                 parser,
@@ -4765,49 +4541,7 @@ unsafe fn yaml_parser_scan_plain_scalar(
                                     && *((*parser).buffer.pointer).wrapping_offset(2_isize)
                                         as libc::c_int
                                         == '.' as i32 as yaml_char_t as libc::c_int)
-                            && (*((*parser).buffer.pointer).wrapping_offset(3_isize) as libc::c_int
-                                == ' ' as i32 as yaml_char_t as libc::c_int
-                                || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                    as libc::c_int
-                                    == '\t' as i32 as yaml_char_t as libc::c_int
-                                || (*((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                    as libc::c_int
-                                    == '\r' as i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == '\n' as i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == -62i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 1_i32) as isize)
-                                            as libc::c_int
-                                            == -123i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == -30i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 1_i32) as isize)
-                                            as libc::c_int
-                                            == -128i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 2_i32) as isize)
-                                            as libc::c_int
-                                            == -88i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == -30i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 1_i32) as isize)
-                                            as libc::c_int
-                                            == -128i32 as yaml_char_t as libc::c_int
-                                        && *((*parser).buffer.pointer)
-                                            .wrapping_offset((3_i32 + 2_i32) as isize)
-                                            as libc::c_int
-                                            == -87i32 as yaml_char_t as libc::c_int
-                                    || *((*parser).buffer.pointer).wrapping_offset(3_isize)
-                                        as libc::c_int
-                                        == '\0' as i32 as yaml_char_t as libc::c_int))
+                            && IS_BLANKZ_AT!((*parser).buffer, 3)
                         {
                             current_block = 6281126495347172768;
                             break;
@@ -4853,50 +4587,7 @@ unsafe fn yaml_parser_scan_plain_scalar(
                             } else {
                                 if *((*parser).buffer.pointer) as libc::c_int
                                     == ':' as i32 as yaml_char_t as libc::c_int
-                                    && (*((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                        as libc::c_int
-                                        == ' ' as i32 as yaml_char_t as libc::c_int
-                                        || *((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                            as libc::c_int
-                                            == '\t' as i32 as yaml_char_t as libc::c_int
-                                        || (*((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                            as libc::c_int
-                                            == '\r' as i32 as yaml_char_t as libc::c_int
-                                            || *((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                                as libc::c_int
-                                                == '\n' as i32 as yaml_char_t as libc::c_int
-                                            || *((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                                as libc::c_int
-                                                == -62i32 as yaml_char_t as libc::c_int
-                                                && *((*parser).buffer.pointer)
-                                                    .wrapping_offset((1_i32 + 1_i32) as isize)
-                                                    as libc::c_int
-                                                    == -123i32 as yaml_char_t as libc::c_int
-                                            || *((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                                as libc::c_int
-                                                == -30i32 as yaml_char_t as libc::c_int
-                                                && *((*parser).buffer.pointer)
-                                                    .wrapping_offset((1_i32 + 1_i32) as isize)
-                                                    as libc::c_int
-                                                    == -128i32 as yaml_char_t as libc::c_int
-                                                && *((*parser).buffer.pointer)
-                                                    .wrapping_offset((1_i32 + 2_i32) as isize)
-                                                    as libc::c_int
-                                                    == -88i32 as yaml_char_t as libc::c_int
-                                            || *((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                                as libc::c_int
-                                                == -30i32 as yaml_char_t as libc::c_int
-                                                && *((*parser).buffer.pointer)
-                                                    .wrapping_offset((1_i32 + 1_i32) as isize)
-                                                    as libc::c_int
-                                                    == -128i32 as yaml_char_t as libc::c_int
-                                                && *((*parser).buffer.pointer)
-                                                    .wrapping_offset((1_i32 + 2_i32) as isize)
-                                                    as libc::c_int
-                                                    == -87i32 as yaml_char_t as libc::c_int
-                                            || *((*parser).buffer.pointer).wrapping_offset(1_isize)
-                                                as libc::c_int
-                                                == '\0' as i32 as yaml_char_t as libc::c_int))
+                                    && IS_BLANKZ_AT!((*parser).buffer, 1)
                                     || (*parser).flow_level != 0
                                         && (*((*parser).buffer.pointer) as libc::c_int
                                             == ',' as i32 as yaml_char_t as libc::c_int