mjit.c: prevent memory leak on realloc failure
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64050 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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3a1e3d35e2
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7
mjit.c
7
mjit.c
@ -327,15 +327,18 @@ form_args(int num, ...)
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va_list argp;
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va_list argp;
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size_t len, n;
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size_t len, n;
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int i;
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int i;
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char **args, **res;
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char **args, **res, **tmp;
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va_start(argp, num);
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va_start(argp, num);
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res = NULL;
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res = NULL;
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for (i = len = 0; i < num; i++) {
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for (i = len = 0; i < num; i++) {
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args = va_arg(argp, char **);
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args = va_arg(argp, char **);
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n = args_len(args);
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n = args_len(args);
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if ((res = (char **)realloc(res, sizeof(char *) * (len + n + 1))) == NULL)
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if ((tmp = (char **)realloc(res, sizeof(char *) * (len + n + 1))) == NULL) {
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free(res);
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return NULL;
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return NULL;
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}
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res = tmp;
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MEMCPY(res + len, args, char *, n + 1);
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MEMCPY(res + len, args, char *, n + 1);
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len += n;
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len += n;
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}
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}
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