diff options
| -rw-r--r-- | coreutils/echo.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/coreutils/echo.c b/coreutils/echo.c index 486245508..2ee5002ba 100644 --- a/coreutils/echo.c +++ b/coreutils/echo.c @@ -29,7 +29,10 @@ int bb_echo(char **argv) { const char *arg; #if !ENABLE_FEATURE_FANCY_ECHO -#define eflag '\\' + enum { + eflag = '\\', + nflag = 1, /* 1 -- print '\n' */ + }; ++argv; #else const char *p; @@ -39,7 +42,7 @@ int bb_echo(char **argv) while (1) { arg = *++argv; if (!arg) - goto ret; + goto newline_ret; if (*arg != '-') break; @@ -68,10 +71,13 @@ int bb_echo(char **argv) just_echo: #endif while (1) { - /* arg is already = *argv and isn't NULL */ + /* arg is already == *argv and isn't NULL */ int c; - while ((c = *arg++)) { + if (!eflag) { + /* optimization for very common case */ + fputs(arg, stdout); + } else while ((c = *arg++)) { if (c == eflag) { /* Check for escape seq. */ if (*arg == 'c') { /* '\c' means cancel newline and @@ -101,13 +107,10 @@ int bb_echo(char **argv) putchar(' '); } -#ifdef CONFIG_FEATURE_FANCY_ECHO + newline_ret: if (nflag) { putchar('\n'); } -#else - putchar('\n'); -#endif ret: return fflush(stdout); } |