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c2: properly escape special characters in c2_condition_to_str 

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
This commit is contained in:
Yuxuan Shui 2024-02-17 01:50:56 +00:00
parent e137d6d416
commit 1159a8ae1a
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1 changed files with 21 additions and 1 deletions
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22
src/c2.c
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@ -1476,7 +1476,27 @@ static size_t c2_condition_to_str(const c2_ptr_t p, char *output, size_t len) {
case C2_L_PTSTRING:
// TODO(yshui) Escape string before printing out?
push_char('"');
push_str(pleaf->ptnstr);
for (int i = 0; pleaf->ptnstr[i]; i++) {
switch (pleaf->ptnstr[i]) {
case '\\': push_str("\\\\"); break;
case '"': push_str("\\\""); break;
case '\a': push_str("\\a"); break;
case '\b': push_str("\\b"); break;
case '\f': push_str("\\f"); break;
case '\r': push_str("\\r"); break;
case '\v': push_str("\\v"); break;
case '\t': push_str("\\t"); break;
case '\n': push_str("\\n"); break;
default:
if (isalnum(pleaf->ptnstr[i])) {
push_char(pleaf->ptnstr[i]);
} else {
sprintf(number, "\\x%02x", pleaf->ptnstr[i]);
push_str(number);
}
break;
}
}
push_char('"');
break;
default: assert(0); break;