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parser_strdup to wrap util_strdup and actually dup empty strings

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Wolfgang (Blub) Bumiller 2012-08-18 12:26:21 +02:00
parent 076503770d
commit 6b1a0541c9
1 changed files with 12 additions and 1 deletions
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13
parser.c
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@ -171,6 +171,17 @@ ast_value* parser_const_float_0(parser_t *parser)
return parser->imm_float_zero; return parser->imm_float_zero;
} }
char *parser_strdup(const char *str)
{
if (str && !*str) {
/* actually dup empty strings */
char *out = mem_a(1);
*out = 0;
return out;
}
return util_strdup(str);
}
ast_value* parser_const_string(parser_t *parser, const char *str) ast_value* parser_const_string(parser_t *parser, const char *str)
{ {
size_t i; size_t i;
@ -181,7 +192,7 @@ ast_value* parser_const_string(parser_t *parser, const char *str)
} }
out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING); out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
out->isconst = true; out->isconst = true;
out->constval.vstring = util_strdup(str); out->constval.vstring = parser_strdup(str);
if (!parser_t_imm_string_add(parser, out)) { if (!parser_t_imm_string_add(parser, out)) {
ast_value_delete(out); ast_value_delete(out);
return NULL; return NULL;