printf: ensure '\045' is printed as '%'

Using printf() instead of fputs() to save a few bytes was a false
economy.  printf() eats percent signs.

See GitHub issue #199.

Adds 32 bytes.

1 files changed, 10 insertions, 5 deletions

diff --git a/coreutils/printf.c b/coreutils/printf.c
index d2b715406..aabc51e0d 100644
--- a/coreutils/printf.c
+++ b/coreutils/printf.c
@@ -151,6 +151,11 @@ static double my_xstrtod(const char *arg)
         return result;
 }
 
+static int fputs_stdout(const char *s)
+{
+        return fputs(s, stdout);
+}
+
 /* Handles %b; return 1 if output is to be short-circuited by \c */
 static int print_esc_string(const char *str)
 {
@@ -196,7 +201,7 @@ static int print_esc_string(const char *str)
 #if ENABLE_PLATFORM_MINGW32
  finish:
         *t = '\0';
-        printf(s);
+        fputs_stdout(s);
         free(s);
         return ret;
 #else
@@ -325,7 +330,7 @@ static char **print_formatted(char *f, char **argv, int *conv_err)
                 case '%':
 #if ENABLE_PLATFORM_MINGW32
                         *t = '\0';
-                        printf(s);
+                        fputs_stdout(s);
                         t = s;
 #endif
                         direc_start = f++;
@@ -420,12 +425,12 @@ static char **print_formatted(char *f, char **argv, int *conv_err)
                 case '\\':
                         if (*++f == 'c') {
                                 *t = '\0';
-                                printf(s);
+                                fputs_stdout(s);
                                 return saved_argv; /* causes main() to exit */
                         }
                         *t = bb_process_escape_sequence((const char **)&f);
                         if (*t == '\0') {
-                                printf(s);
+                                fputs_stdout(s);
                                 bb_putchar(*t);
                                 t = s;
                         }
@@ -451,7 +456,7 @@ static char **print_formatted(char *f, char **argv, int *conv_err)
         }
 #if ENABLE_PLATFORM_MINGW32
         *t = '\0';
-        printf(s);
+        fputs_stdout(s);
 #endif
 
         return argv;