func_curl: Don't trim response text on non-ASCII characters
The characters 0x80-0xFF were trimmed as well as 0x00-0x20 because of a signed comparison. ASTERISK-25669 #close Reported by: Jesper patches: strings.curl.trim.patch submitted by Jesper (License 5518) Change-Id: Ia51e169f24e3252a7ebbaab3728630138ec6f60a
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@ -688,7 +688,7 @@ void ast_str_trim_blanks(struct ast_str *buf),
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if (!buf) {
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return;
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}
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while (buf->__AST_STR_USED && buf->__AST_STR_STR[buf->__AST_STR_USED - 1] < 33) {
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while (buf->__AST_STR_USED && ((unsigned char) buf->__AST_STR_STR[buf->__AST_STR_USED - 1]) < 33) {
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buf->__AST_STR_STR[--(buf->__AST_STR_USED)] = '\0';
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}
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}
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