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sysio: check for IO errors for write operations

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This commit is contained in:
Araq 2017-02-11 00:23:22 +01:00
commit 9b8150aef1
1 changed files with 8 additions and 6 deletions
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14
lib/system/sysio.nim
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@ -171,21 +171,23 @@ proc readLine(f: File): TaintedString =
proc write(f: File, i: int) = proc write(f: File, i: int) =
when sizeof(int) == 8: when sizeof(int) == 8:
c_fprintf(f, "%lld", i) if c_fprintf(f, "%lld", i) < 0: checkErr(f)
else: else:
c_fprintf(f, "%ld", i) if c_fprintf(f, "%ld", i) < 0: checkErr(f)
proc write(f: File, i: BiggestInt) = proc write(f: File, i: BiggestInt) =
when sizeof(BiggestInt) == 8: when sizeof(BiggestInt) == 8:
c_fprintf(f, "%lld", i) if c_fprintf(f, "%lld", i) < 0: checkErr(f)
else: else:
c_fprintf(f, "%ld", i) if c_fprintf(f, "%ld", i) < 0: checkErr(f)
proc write(f: File, b: bool) = proc write(f: File, b: bool) =
if b: write(f, "true") if b: write(f, "true")
else: write(f, "false") else: write(f, "false")
proc write(f: File, r: float32) = c_fprintf(f, "%g", r) proc write(f: File, r: float32) =
proc write(f: File, r: BiggestFloat) = c_fprintf(f, "%g", r) if c_fprintf(f, "%g", r) < 0: checkErr(f)
proc write(f: File, r: BiggestFloat) =
if c_fprintf(f, "%g", r) < 0: checkErr(f)
proc write(f: File, c: char) = discard c_putc(ord(c), f) proc write(f: File, c: char) = discard c_putc(ord(c), f)
proc write(f: File, a: varargs[string, `$`]) = proc write(f: File, a: varargs[string, `$`]) =