From: Eric S. Raymond Date: Thu, 8 Jun 2017 05:35:50 +0000 (-0400) Subject: misc.c is goto-free. X-Git-Tag: 1.1~528 X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=a418ebb38c14d434620b573cb5841bc1d5dd42a3;p=open-adventure.git misc.c is goto-free. --- diff --git a/misc.c b/misc.c index 96acb43..e005d81 100644 --- a/misc.c +++ b/misc.c @@ -34,96 +34,100 @@ void SPEAK(vocab_t msg) PUTTXT(LINES[i],state,2); } LNPOSN=0; -L30: ++LNPOSN; -L32: - if (LNPOSN > LNLENG) - goto L40; - if (INLINE[LNPOSN] != PERCENT) - goto L30; - prmtyp = INLINE[LNPOSN+1]; - /* A "%"; the next character determine the type of - * parameter: 1 (!) = suppress message completely, 29 (S) = NULL - * If PARAM=1, else 'S' (optional plural ending), 33 (W) = word - * (two 30-bit values) with trailing spaces suppressed, 22 (L) or - * 31 (U) = word but map to lower/upper case, 13 (C) = word in - * lower case with first letter capitalised, 30 (T) = text ending - * with a word of -1, 65-73 (1-9) = number using that many - * characters, 12 (B) = variable number of blanks. */ - if (prmtyp == 1) - return; - if (prmtyp == 29) { - SHFTXT(LNPOSN+2,-1); - INLINE[LNPOSN] = 55; - if (PARMS[nparms] == 1) - SHFTXT(LNPOSN+1,-1); - goto L395; - } - if (prmtyp == 30) { - SHFTXT(LNPOSN+2,-2); - state=0; - casemake=2; - for (;;) { - if (PARMS[nparms] < 0) - goto L395; - if (PARMS[nparms+1] < 0) + while (LNPOSN <= LNLENG) { + if (INLINE[LNPOSN] != PERCENT) { + ++LNPOSN; + continue; + } + prmtyp = INLINE[LNPOSN+1]; + /* A "%"; the next character determine the type of + * parameter: 1 (!) = suppress message completely, 29 (S) = NULL + * If PARAM=1, else 'S' (optional plural ending), 33 (W) = word + * (two 30-bit values) with trailing spaces suppressed, 22 (L) or + * 31 (U) = word but map to lower/upper case, 13 (C) = word in + * lower case with first letter capitalised, 30 (T) = text ending + * with a word of -1, 65-73 (1-9) = number using that many + * characters, 12 (B) = variable number of blanks. */ + if (prmtyp == 1) + return; + if (prmtyp == 29) { + SHFTXT(LNPOSN+2,-1); + INLINE[LNPOSN] = 55; + if (PARMS[nparms] == 1) + SHFTXT(LNPOSN+1,-1); + ++nparms; + continue; + } + if (prmtyp == 30) { + SHFTXT(LNPOSN+2,-2); + state=0; + casemake=2; + + while (PARMS[nparms] > 0) { + if (PARMS[nparms+1] < 0) + casemake=0; + PUTTXT(PARMS[nparms],state,casemake); + nparms=nparms+1; + } + ++nparms; + continue; + } + if (prmtyp == 12) { + prmtyp=PARMS[nparms]; + SHFTXT(LNPOSN+2,prmtyp-2); + if (prmtyp != 0) { + for (i=1; i<=prmtyp; i++) { + INLINE[LNPOSN]=0; + ++LNPOSN; + } + } + ++nparms; + continue; + } + if (prmtyp == 33 || prmtyp == 22 || prmtyp == 31 || prmtyp == 13) { + SHFTXT(LNPOSN+2,-2); + state = 0; + casemake = -1; + if (prmtyp == 31) + casemake=1; + if (prmtyp == 33) casemake=0; + i = LNPOSN; PUTTXT(PARMS[nparms],state,casemake); - nparms=nparms+1; + PUTTXT(PARMS[nparms+1],state,casemake); + if (prmtyp == 13 && INLINE[i] >= 37 && INLINE[i] <= 62) + INLINE[i] -= 26; + nparms += 2; + continue; + } + + prmtyp=prmtyp-64; + if (prmtyp < 1 || prmtyp > 9) { + ++LNPOSN; + continue; } - } - if (prmtyp == 12) { - prmtyp=PARMS[nparms]; SHFTXT(LNPOSN+2,prmtyp-2); - if (prmtyp != 0) { - for (i=1; i<=prmtyp; i++) { - INLINE[LNPOSN]=0; - LNPOSN=LNPOSN+1; + LNPOSN += prmtyp; + param=labs(PARMS[nparms]); + neg=0; + if (PARMS[nparms] < 0) + neg=9; + for (i=1; i <= prmtyp; i++) { + --LNPOSN; + INLINE[LNPOSN]=MOD(param,10)+64; + if (i != 1 && param == 0) { + INLINE[LNPOSN]=neg; + neg=0; } + param=param/10; } - goto L395; - } - if (prmtyp == 33 || prmtyp == 22 || prmtyp == 31 || prmtyp == 13) { - SHFTXT(LNPOSN+2,-2); - state = 0; - casemake = -1; - if (prmtyp == 31) - casemake=1; - if (prmtyp == 33) - casemake=0; - i = LNPOSN; - PUTTXT(PARMS[nparms],state,casemake); - PUTTXT(PARMS[nparms+1],state,casemake); - if (prmtyp == 13 && INLINE[i] >= 37 && INLINE[i] <= 62) - INLINE[i] -= 26; - nparms += 2; - goto L32; - } - prmtyp=prmtyp-64; - if (prmtyp < 1 || prmtyp > 9) - goto L30; - SHFTXT(LNPOSN+2,prmtyp-2); - LNPOSN += prmtyp; - param=labs(PARMS[nparms]); - neg=0; - if (PARMS[nparms] < 0) - neg=9; - for (i=1; i <= prmtyp; i++) { - --LNPOSN; - INLINE[LNPOSN]=MOD(param,10)+64; - if (i != 1 && param == 0) { - INLINE[LNPOSN]=neg; - neg=0; - } - param=param/10; + LNPOSN += prmtyp; + ++nparms; + continue; } - LNPOSN += prmtyp; -L395: - ++nparms; - goto L32; -L40: if (blank) TYPE0(); blank=false;