ISAR/libmdbx
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mdbx: до-исправление коммита 796b7e44976132944847694fc8caa5b01c07a406 для отладочных сборок.

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Леонид Юрьев (Leonid Yuriev) 2024-07-21 23:17:04 +03:00
parent 37217cb199
commit 58cad2995b
1 changed files with 15 additions and 8 deletions
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23
src/core.c
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@ -3612,19 +3612,26 @@ __cold void debug_log(int level, const char *function, int line,
va_end(args); va_end(args);
} }
/* Dump a key in ascii or hexadecimal. */ /* Dump a val in ascii or hexadecimal. */
const char *mdbx_dump_val(const MDBX_val *key, char *const buf, const char *mdbx_dump_val(const MDBX_val *val, char *const buf,
const size_t bufsize) { const size_t bufsize) {
if (!key) if (!val)
return "<null>"; return "<null>";
if (!key->iov_len) if (!val->iov_len)
return "<empty>"; return "<empty>";
if (!buf || bufsize < 4) if (!buf || bufsize < 4)
return nullptr; return nullptr;
if (!val->iov_base) {
int len = snprintf(buf, bufsize, "<nullptr.%zu>", val->iov_len);
assert(len > 0 && (size_t)len < bufsize);
(void)len;
return buf;
}
bool is_ascii = true; bool is_ascii = true;
const uint8_t *const data = key->iov_base; const uint8_t *const data = val->iov_base;
for (size_t i = 0; i < key->iov_len; i++) for (size_t i = 0; i < val->iov_len; i++)
if (data[i] < ' ' || data[i] > '~') { if (data[i] < ' ' || data[i] > '~') {
is_ascii = false; is_ascii = false;
break; break;
@ -3633,14 +3640,14 @@ const char *mdbx_dump_val(const MDBX_val *key, char *const buf,
if (is_ascii) { if (is_ascii) {
int len = int len =
snprintf(buf, bufsize, "%.*s", snprintf(buf, bufsize, "%.*s",
(key->iov_len > INT_MAX) ? INT_MAX : (int)key->iov_len, data); (val->iov_len > INT_MAX) ? INT_MAX : (int)val->iov_len, data);
assert(len > 0 && (size_t)len < bufsize); assert(len > 0 && (size_t)len < bufsize);
(void)len; (void)len;
} else { } else {
char *const detent = buf + bufsize - 2; char *const detent = buf + bufsize - 2;
char *ptr = buf; char *ptr = buf;
*ptr++ = '<'; *ptr++ = '<';
for (size_t i = 0; i < key->iov_len && ptr < detent; i++) { for (size_t i = 0; i < val->iov_len && ptr < detent; i++) {
const char hex[16] = {'0', '1', '2', '3', '4', '5', '6', '7', const char hex[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
*ptr++ = hex[data[i] >> 4]; *ptr++ = hex[data[i] >> 4];