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clearer(?) code (also avoids a warning about 'c' being used

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without initialization)
This commit is contained in:
Roberto Ierusalimschy 2015-01-02 10:50:28 -02:00
parent c077d47465
commit 234fb7f695
1 changed files with 3 additions and 5 deletions
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8
liolib.c
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@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.140 2014/11/02 19:33:33 roberto Exp roberto $
** $Id: liolib.c,v 2.141 2014/11/21 12:17:33 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -464,9 +464,9 @@ static int test_eof (lua_State *L, FILE *f) {
static int read_line (lua_State *L, FILE *f, int chop) {
luaL_Buffer b;
int c;
int c = '\0';
luaL_buffinit(L, &b);
for (;;) {
while (c != EOF && c != '\n') { /* repeat until end of line */
char *buff = luaL_prepbuffer(&b); /* pre-allocate buffer */
int i = 0;
l_lockfile(f); /* no memory errors can happen inside the lock */
@ -474,8 +474,6 @@ static int read_line (lua_State *L, FILE *f, int chop) {
buff[i++] = c;
l_unlockfile(f);
luaL_addsize(&b, i);
if (i < LUAL_BUFFERSIZE)
break;
}
if (!chop && c == '\n') /* want a newline and have one? */
luaL_addchar(&b, c); /* add ending newline to result */