diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/system.nim | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/system.nim b/lib/system.nim index 3a5415b87..3abcb9577 100644 --- a/lib/system.nim +++ b/lib/system.nim @@ -302,8 +302,7 @@ proc `==` *(x, y: pointer): bool {.magic: "EqRef", noSideEffect.} ## echo (a == b) # true due to the special meaning of `nil`/0 as a pointer proc `==` *(x, y: string): bool {.magic: "EqStr", noSideEffect.} ## Checks for equality between two `string` variables -proc `==` *(x, y: cstring): bool {.magic: "EqCString", noSideEffect.} - ## Checks for equality between two `cstring` variables + proc `==` *(x, y: char): bool {.magic: "EqCh", noSideEffect.} ## Checks for equality between two `char` variables proc `==` *(x, y: bool): bool {.magic: "EqB", noSideEffect.} @@ -3616,6 +3615,16 @@ proc xlen*[T](x: seq[T]): int {.magic: "XLenSeq", noSideEffect.} = ## This is an optimization that rarely makes sense. discard + +proc `==` *(x, y: cstring): bool {.magic: "EqCString", noSideEffect, + inline.} = + ## Checks for equality between two `cstring` variables. + proc strcmp(a, b: cstring): cint {.noSideEffect, + importc, header: "<string.h>".} + if pointer(x) == pointer(y): result = true + elif x.isNil or y.isNil: result = false + else: result = strcmp(x, y) == 0 + {.pop.} #{.push warning[GcMem]: off, warning[Uninit]: off.} when defined(nimconfig): |