diff options
| -rw-r--r-- | coreutils/printf.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/coreutils/printf.c b/coreutils/printf.c index 3dd43a9..9ee7350 100644 --- a/coreutils/printf.c +++ b/coreutils/printf.c @@ -131,8 +131,8 @@ static double my_xstrtod(const char *arg) return result; } -/* Handles %b */ -static void print_esc_string(const char *str) +/* Handles %b; return 1 if output is to be short-circuited by \c */ +static int print_esc_string(const char *str) { char c; while ((c = *str) != '\0') { @@ -145,6 +145,9 @@ static void print_esc_string(const char *str) str++; } } + else if (*str == 'c') { + return 1; + } { /* optimization: don't force arg to be on-stack, * use another variable for that. */ @@ -155,6 +158,8 @@ static void print_esc_string(const char *str) } putchar(c); } + + return 0; } static void print_direc(char *format, unsigned fmt_length, @@ -280,7 +285,8 @@ static char **print_formatted(char *f, char **argv, int *conv_err) } if (*f == 'b') { if (*argv) { - print_esc_string(*argv); + if (print_esc_string(*argv)) + return saved_argv; /* causes main() to exit */ ++argv; } break; |