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Support \ooo escapes, from Avi Halachmi.

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This commit is contained in:
nicm
2019-05-29 10:08:36 +00:00
parent 580cd16f4c
commit a4424fbebf
2 changed files with 29 additions and 3 deletions
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26
cmd-parse.y
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@ -1083,12 +1083,34 @@ error:
static int
yylex_token_escape(char **buf, size_t *len)
{
int ch, type;
int ch, type, o2, o3;
u_int size, i, tmp;
char s[9];
struct utf8_data ud;
switch (ch = yylex_getc()) {
ch = yylex_getc();
if (ch >= '4' && ch <= '7') {
yyerror("invalid octal escape");
return (0);
}
if (ch >= '0' && ch <= '3') {
o2 = yylex_getc();
if (o2 >= '0' && o2 <= '7') {
o3 = yylex_getc();
if (o3 >= '0' && o3 <= '7') {
ch = 64 * (ch - '0') +
8 * (o2 - '0') +
(o3 - '0');
yylex_append1(buf, len, ch);
return (1);
}
}
yyerror("invalid octal escape");
return (0);
}
switch (ch) {
case EOF:
return (0);
case 'e':