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ash: some beautification work, no code changes

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This commit is contained in:
Denis Vlasenko 2008-10-06 09:51:47 +00:00
parent 559691a3bf
commit 176d49d4f7
1 changed files with 44 additions and 47 deletions
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91
shell/ash.c
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@ -2691,7 +2691,6 @@ SIT(int c, int syntax)
indx = 0; indx = 0;
else else
#endif #endif
#define U_C(c) ((unsigned char)(c))
if ((unsigned char)c >= (unsigned char)(CTLESC) if ((unsigned char)c >= (unsigned char)(CTLESC)
&& (unsigned char)c <= (unsigned char)(CTLQUOTEMARK) && (unsigned char)c <= (unsigned char)(CTLQUOTEMARK)
@ -10663,7 +10662,9 @@ readtoken1(int firstc, int syntax, char *eofmark, int striptabs)
dqvarnest = 0; dqvarnest = 0;
STARTSTACKSTR(out); STARTSTACKSTR(out);
loop: { /* for each line, until end of word */ loop:
/* For each line, until end of word */
{
CHECKEND(); /* set c to PEOF if at end of here document */ CHECKEND(); /* set c to PEOF if at end of here document */
for (;;) { /* until end of line or end of word */ for (;;) { /* until end of line or end of word */
CHECKSTRSPACE(4, out); /* permit 4 calls to USTPUTC */ CHECKSTRSPACE(4, out); /* permit 4 calls to USTPUTC */
@ -11310,55 +11311,51 @@ xxreadtoken(void)
startlinno = plinno; startlinno = plinno;
for (;;) { /* until token or start of word found */ for (;;) { /* until token or start of word found */
c = pgetc_macro(); c = pgetc_macro();
if (c == ' ' || c == '\t' USE_ASH_ALIAS( || c == PEOA))
continue;
if ((c != ' ') && (c != '\t') if (c == '#') {
#if ENABLE_ASH_ALIAS while ((c = pgetc()) != '\n' && c != PEOF)
&& (c != PEOA) continue;
#endif pungetc();
) { } else if (c == '\\') {
if (c == '#') { if (pgetc() != '\n') {
while ((c = pgetc()) != '\n' && c != PEOF)
continue;
pungetc(); pungetc();
} else if (c == '\\') { goto READTOKEN1;
if (pgetc() != '\n') {
pungetc();
goto READTOKEN1;
}
startlinno = ++plinno;
if (doprompt)
setprompt(2);
} else {
const char *p
= xxreadtoken_chars + sizeof(xxreadtoken_chars) - 1;
if (c != PEOF) {
if (c == '\n') {
plinno++;
needprompt = doprompt;
}
p = strchr(xxreadtoken_chars, c);
if (p == NULL) {
READTOKEN1:
return readtoken1(c, BASESYNTAX, (char *) NULL, 0);
}
if ((size_t)(p - xxreadtoken_chars) >= xxreadtoken_singles) {
if (pgetc() == *p) { /* double occurrence? */
p += xxreadtoken_doubles + 1;
} else {
pungetc();
}
}
}
lasttoken = xxreadtoken_tokens[p - xxreadtoken_chars];
return lasttoken;
} }
startlinno = ++plinno;
if (doprompt)
setprompt(2);
} else {
const char *p;
p = xxreadtoken_chars + sizeof(xxreadtoken_chars) - 1;
if (c != PEOF) {
if (c == '\n') {
plinno++;
needprompt = doprompt;
}
p = strchr(xxreadtoken_chars, c);
if (p == NULL) {
READTOKEN1:
return readtoken1(c, BASESYNTAX, (char *) NULL, 0);
}
if ((size_t)(p - xxreadtoken_chars) >= xxreadtoken_singles) {
if (pgetc() == *p) { /* double occurrence? */
p += xxreadtoken_doubles + 1;
} else {
pungetc();
}
}
}
lasttoken = xxreadtoken_tokens[p - xxreadtoken_chars];
return lasttoken;
} }
} /* for */ } /* for (;;) */
} }
#else #else /* old xxreadtoken */
#define RETURN(token) return lasttoken = token #define RETURN(token) return lasttoken = token
static int static int
xxreadtoken(void) xxreadtoken(void)
@ -11428,7 +11425,7 @@ xxreadtoken(void)
return readtoken1(c, BASESYNTAX, (char *)NULL, 0); return readtoken1(c, BASESYNTAX, (char *)NULL, 0);
#undef RETURN #undef RETURN
} }
#endif /* NEW_xxreadtoken */ #endif /* old xxreadtoken */
static int static int
readtoken(void) readtoken(void)