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cleaner code (avoids loop with empty body)

This commit is contained in:
Roberto Ierusalimschy 2012-03-19 19:57:14 -03:00
parent 29a28693e5
commit 3e66d3b4be
1 changed files with 5 additions and 3 deletions
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8
lauxlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lauxlib.c,v 1.240 2011/12/06 16:33:55 roberto Exp roberto $ ** $Id: lauxlib.c,v 1.241 2012/03/18 16:52:49 roberto Exp roberto $
** Auxiliary functions for building Lua libraries ** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -616,8 +616,10 @@ static int skipBOM (LoadF *lf) {
static int skipcomment (LoadF *lf, int *cp) { static int skipcomment (LoadF *lf, int *cp) {
int c = *cp = skipBOM(lf); int c = *cp = skipBOM(lf);
if (c == '#') { /* first line is a comment (Unix exec. file)? */ if (c == '#') { /* first line is a comment (Unix exec. file)? */
while ((c = getc(lf->f)) != EOF && c != '\n') ; /* skip first line */ do { /* skip first line */
*cp = getc(lf->f); /* skip end-of-line */ c = getc(lf->f);
} while (c != EOF && c != '\n') ;
*cp = getc(lf->f); /* skip end-of-line, if present */
return 1; /* there was a comment */ return 1; /* there was a comment */
} }
else return 0; /* no comment */ else return 0; /* no comment */