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Fix memory leak for temporary symbols when out of memory

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dearblue
2019-01-19 21:55:36 +09:00
parent 4c5499b88e
commit 52e3d5d858
1 changed files with 4 additions and 2 deletions
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src/load.c
+4 -2
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@@ -513,6 +513,7 @@ read_section_lv(mrb_state *mrb, const uint8_t *start, mrb_irep *irep, uint8_t fl
int result;
uint32_t syms_len;
mrb_sym *syms;
mrb_value syms_obj;
mrb_sym (*intern_func)(mrb_state*, const char*, size_t) =
(flags & FLAG_SRC_MALLOC)? mrb_intern : mrb_intern_static;
@@ -522,7 +523,8 @@ read_section_lv(mrb_state *mrb, const uint8_t *start, mrb_irep *irep, uint8_t fl
syms_len = bin_to_uint32(bin);
bin += sizeof(uint32_t);
syms = (mrb_sym*)mrb_malloc(mrb, sizeof(mrb_sym) * (size_t)syms_len);
syms_obj = mrb_str_new(mrb, NULL, sizeof(mrb_sym) * (size_t)syms_len);
syms = (mrb_sym*)RSTRING_PTR(syms_obj);
for (i = 0; i < syms_len; ++i) {
uint16_t const str_len = bin_to_uint16(bin);
bin += sizeof(uint16_t);
@@ -542,7 +544,7 @@ read_section_lv(mrb_state *mrb, const uint8_t *start, mrb_irep *irep, uint8_t fl
}
lv_exit:
mrb_free(mrb, syms);
mrb_str_resize(mrb, syms_obj, 0);
return result;
}