diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2016-10-02 23:47:34 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2016-10-02 23:47:34 +0200 |
| commit | ce332a23a3ff45a5aeb3e737da15b469badd5d12 (patch) | |
| tree | 88de12acf709b1d3a84b9bdd6dd6ea679347ebfe /shell/ash.c | |
| parent | 80729a4472e3876c885139414e035fe50e696cbf (diff) | |
ash: [PARSER] Add nlprompt/nlnoprompt helpers
Upstream commit:
Date: Mon, 29 Sep 2014 22:53:53 +0800
[PARSER] Add nlprompt/nlnoprompt helpers
This patch adds the nlprompt/nlnoprompt helpers to isolate code
dealing with newlines and prompting.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/shell/ash.c b/shell/ash.c index 714b011a5..a317d0080 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -10030,6 +10030,19 @@ preadbuffer(void) return (unsigned char)*g_parsefile->next_to_pgetc++; } +static void +nlprompt(void) +{ + g_parsefile->linno++; + setprompt_if(doprompt, 2); +} +static void +nlnoprompt(void) +{ + g_parsefile->linno++; + needprompt = doprompt; +} + static int pgetc(void) { @@ -10118,8 +10131,7 @@ pgetc_eatbnl(void) break; } - g_parsefile->linno++; - setprompt_if(doprompt, 2); + nlprompt(); } return c; @@ -11409,8 +11421,7 @@ readtoken1(int c, int syntax, char *eofmark, int striptabs) if (syntax == BASESYNTAX) goto endword; /* exit outer loop */ USTPUTC(c, out); - g_parsefile->linno++; - setprompt_if(doprompt, 2); + nlprompt(); c = pgetc(); goto loop; /* continue outer loop */ case CWORD: @@ -11444,7 +11455,7 @@ readtoken1(int c, int syntax, char *eofmark, int striptabs) USTPUTC('\\', out); pungetc(); } else if (c == '\n') { - setprompt_if(doprompt, 2); + nlprompt(); } else { #if ENABLE_ASH_EXPAND_PRMT if (c == '$' && pssyntax) { @@ -11615,8 +11626,7 @@ checkend: { continue; if (*p == '\n' && *q == '\0') { c = PEOF; - g_parsefile->linno++; - needprompt = doprompt; + nlnoprompt(); } else { pushstring(line, NULL); } @@ -11898,8 +11908,7 @@ parsebackq: { case '\\': pc = pgetc(); if (pc == '\n') { - g_parsefile->linno++; - setprompt_if(doprompt, 2); + nlprompt(); /* * If eating a newline, avoid putting * the newline into the new character @@ -11924,8 +11933,7 @@ parsebackq: { raise_error_syntax("EOF in backquote substitution"); case '\n': - g_parsefile->linno++; - needprompt = doprompt; + nlnoprompt(); break; default: @@ -12057,16 +12065,14 @@ xxreadtoken(void) pungetc(); break; /* return readtoken1(...) */ } - startlinno = ++g_parsefile->linno; - setprompt_if(doprompt, 2); + nlprompt(); } else { const char *p; p = xxreadtoken_chars + sizeof(xxreadtoken_chars) - 1; if (c != PEOF) { if (c == '\n') { - g_parsefile->linno++; - needprompt = doprompt; + nlnoprompt(); } p = strchr(xxreadtoken_chars, c); @@ -12119,15 +12125,13 @@ xxreadtoken(void) continue; case '\\': if (pgetc() == '\n') { - startlinno = ++g_parsefile->linno; - setprompt_if(doprompt, 2); + nlprompt(); continue; } pungetc(); goto breakloop; case '\n': - g_parsefile->linno++; - needprompt = doprompt; + nlnoprompt(); RETURN(TNL); case PEOF: RETURN(TEOF); |