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ITS#9068 fix backslash escaping 

mdb_load wasn't properly inserting escaped backslashes into the data.
mdb_dump wasn't escaping backslashes when generating printable output.
This commit is contained in:
Howard Chu 2019-08-26 17:51:53 +01:00 committed by Howard Chu
parent cdfa2e58df
commit e907305c6c
No known key found for this signature in database
GPG Key ID: FD2A70B44AB11BA7
2 changed files with 4 additions and 2 deletions
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2
external/db_drivers/liblmdb/mdb_dump.c vendored
View File

@ -64,6 +64,8 @@ static void text(MDB_val *v)
end = c + v->mv_size; end = c + v->mv_size;
while (c < end) { while (c < end) {
if (isprint(*c)) { if (isprint(*c)) {
if (*c == '\\')
putchar('\\');
putchar(*c); putchar(*c);
} else { } else {
putchar('\\'); putchar('\\');

4
external/db_drivers/liblmdb/mdb_load.c vendored
View File

@ -236,7 +236,7 @@ badend:
while (c2 < end) { while (c2 < end) {
if (*c2 == '\\') { if (*c2 == '\\') {
if (c2[1] == '\\') { if (c2[1] == '\\') {
c1++; c2 += 2; *c1++ = *c2;
} else { } else {
if (c2+3 > end || !isxdigit(c2[1]) || !isxdigit(c2[2])) { if (c2+3 > end || !isxdigit(c2[1]) || !isxdigit(c2[2])) {
Eof = 1; Eof = 1;
@ -244,8 +244,8 @@ badend:
return EOF; return EOF;
} }
*c1++ = unhex(++c2); *c1++ = unhex(++c2);
c2 += 2;
} }
c2 += 2;
} else { } else {
/* copies are redundant when no escapes were used */ /* copies are redundant when no escapes were used */
*c1++ = *c2++; *c1++ = *c2++;