DeforaOS/CPP
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Fixed bug with empty quoted strings

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This commit is contained in:
Pierre Pronchery 2008-02-26 13:03:53 +00:00
parent 7b054a571a
commit 263dc1ada4
1 changed files with 10 additions and 14 deletions
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20
src/cpp.c
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@ -365,11 +365,10 @@ static int _quote_escape(int c);
static int _cpp_callback_quote(Parser * parser, Token * token, int c,
void * data)
/* FIXME bug with "" => " */
{
const int d = c;
char * str = NULL;
size_t len = 1;
size_t len = 0;
char * p;
if(c == '\'')
@ -381,26 +380,23 @@ static int _cpp_callback_quote(Parser * parser, Token * token, int c,
#ifdef DEBUG
fprintf(stderr, "DEBUG: cpp_callback_quote('%c')\n", c);
#endif
while((c = parser_scan_filter(parser)) != EOF && c != d)
while((p = realloc(str, len + 3)) != NULL)
{
if((p = realloc(str, len + 3)) == NULL)
break;
str = p;
if(c == '\\')
{
str[len++] = c;
if((c = parser_scan_filter(parser)) == EOF || c == d)
break; /* unexpected end of file or end of string */
if(c != '\\')
continue; /* character is not escaped */
if((c = parser_scan_filter(parser)) == EOF)
break;
else
c = _quote_escape(c);
}
str[len++] = c;
}
if(str == NULL || c != d) /* an error occured */
if(str == NULL || c != d)
{
free(str);
return -1;
}
str[0] = d;
str[len++] = d;
str[len] = '\0';
token_set_string(token, str);