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Code Issues Releases Wiki Activity

fill_args was adding an extra leading space

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This commit is contained in:
Todd C. Miller
1996-07-23 05:10:35 +00:00
parent 945d9795ef
commit 4dba5f4fcc
1 changed files with 21 additions and 6 deletions
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21
parse.lex
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@@ -300,12 +300,26 @@ static void fill_args(s, len, addspace)
int len;
int addspace;
{
int new_len = arg_len + len + addspace;
int new_len;
char *p;
/*
* If we don't have enough space realloc() some more
* If first arg, malloc() some room, else if we don't
* have enough space realloc() some more.
*/
if (yylval.command.args == NULL) {
addspace = 0;
new_len = len;
while (new_len >= (arg_size += COMMANDARGINC))
;
yylval.command.args = (char *) malloc(arg_size);
if (yylval.command.args == NULL)
yyerror("unable to allocate memory");
} else {
new_len = arg_len + len + addspace;
if (new_len >= arg_size) {
/* Allocate more space than we need for subsequent args */
while (new_len >= (arg_size += COMMANDARGINC))
@@ -315,8 +329,9 @@ static void fill_args(s, len, addspace)
if (yylval.command.args == NULL)
yyerror("unable to allocate memory");
}
}
/* Efficiently append the arg (with a leading space) */
/* Efficiently append the arg (with a leading space if needed). */
p = yylval.command.args + arg_len;
if (addspace)
*p++ = ' ';