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func_curl: Don't trim response text on non-ASCII characters

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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
This commit is contained in:
Ivan Poddubny
2016-05-21 13:42:45 +03:00
parent c0b190dd9a
commit 9ddaab789e
1 changed files with 1 additions and 1 deletions
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2
include/asterisk/strings.h
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@@ -688,7 +688,7 @@ void ast_str_trim_blanks(struct ast_str *buf),
if (!buf) {
return;
}
while (buf->__AST_STR_USED && buf->__AST_STR_STR[buf->__AST_STR_USED - 1] < 33) {
while (buf->__AST_STR_USED && ((unsigned char) buf->__AST_STR_STR[buf->__AST_STR_USED - 1]) < 33) {
buf->__AST_STR_STR[--(buf->__AST_STR_USED)] = '\0';
}
}