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Fix memory leak for temporary filenames when out of memory

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This commit is contained in:
dearblue
2019-01-20 11:41:09 +09:00
parent 8b422577e6
commit 8e993167de
1 changed files with 4 additions and 2 deletions
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src/load.c
+4 -2
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@@ -422,6 +422,7 @@ read_section_debug(mrb_state *mrb, const uint8_t *start, mrb_irep *irep, uint8_t
int result;
uint16_t filenames_len;
mrb_sym *filenames;
mrb_value filenames_obj;
bin = start;
header = (struct rite_section_debug_header *)bin;
@@ -429,7 +430,8 @@ read_section_debug(mrb_state *mrb, const uint8_t *start, mrb_irep *irep, uint8_t
filenames_len = bin_to_uint16(bin);
bin += sizeof(uint16_t);
filenames = (mrb_sym*)mrb_malloc(mrb, sizeof(mrb_sym) * (size_t)filenames_len);
filenames_obj = mrb_str_new(mrb, NULL, sizeof(mrb_sym) * (size_t)filenames_len);
filenames = (mrb_sym*)RSTRING_PTR(filenames_obj);
for (i = 0; i < filenames_len; ++i) {
uint16_t f_len = bin_to_uint16(bin);
bin += sizeof(uint16_t);
@@ -453,7 +455,7 @@ read_section_debug(mrb_state *mrb, const uint8_t *start, mrb_irep *irep, uint8_t
}
debug_exit:
mrb_free(mrb, filenames);
mrb_str_resize(mrb, filenames_obj, 0);
return result;
}