perf(printf): check flags outside while loop

1 files changed, 11 insertions, 7 deletions

diff --git a/printf.c b/printf.c
index b5a38fc..8cbb211 100644
--- a/printf.c
+++ b/printf.c
@@ -166,11 +166,13 @@ static size_t _ntoa_format(out_fct_type out, char* buffer, size_t idx, size_t ma
   const size_t start_idx = idx;

 

   // pad leading zeros

-  while (!(flags & FLAGS_LEFT) && (len < prec) && (len < PRINTF_NTOA_BUFFER_SIZE)) {

-    buf[len++] = '0';

-  }

-  while (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD) && (len < width) && (len < PRINTF_NTOA_BUFFER_SIZE)) {

-    buf[len++] = '0';

+  if (!(flags & FLAGS_LEFT)) {

+    while ((len < prec) && (len < PRINTF_NTOA_BUFFER_SIZE)) {

+      buf[len++] = '0';

+    }

+    while ((flags & FLAGS_ZEROPAD) && (len < width) && (len < PRINTF_NTOA_BUFFER_SIZE)) {

+      buf[len++] = '0';

+    }

   }

 

   // handle hash

@@ -381,8 +383,10 @@ static size_t _ftoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, d
   }

 

   // pad leading zeros

-  while (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD) && (len < width) && (len < PRINTF_FTOA_BUFFER_SIZE)) {

-    buf[len++] = '0';

+  if (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD)) {

+    while ((len < width) && (len < PRINTF_FTOA_BUFFER_SIZE)) {

+      buf[len++] = '0';

+    }

   }

 

   // handle sign