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Merge commit 'public/bug1076'

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This commit is contained in:
Nick Mathewson 2009-09-01 02:01:49 -04:00
commit cdc8ea2976
4 changed files with 28 additions and 20 deletions
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2
ChangeLog
View File

@ -3,6 +3,8 @@ Changes in version 0.2.2.2-alpha - 2009-09-??
- Fix an extremely rare infinite recursion bug that could occur if
we tried to log a message after shutting down the log subsystem.
Found by Matt Edman. Bugfix on 0.2.0.16-alpha.
- Fix parsing for memory or time units given without a space between
the number and the unit. Bugfix on 0.2.2.1-alpha; fixes bug 1076.
Changes in version 0.2.2.1-alpha - 2009-08-26

11
src/common/util.c
View File

@ -735,6 +735,17 @@ tor_parse_ulong(const char *s, int base, unsigned long min,
CHECK_STRTOX_RESULT();
}
/** As tor_parse_long(), but return a double. */
double
tor_parse_double(const char *s, double min, double max, int *ok, char **next)
{
char *endptr;
double r;
r = strtod(s, &endptr);
CHECK_STRTOX_RESULT();
}
/** As tor_parse_log, but return a unit64_t. Only base 10 is guaranteed to
* work for now. */
uint64_t

2
src/common/util.h
View File

@ -182,6 +182,8 @@ long tor_parse_long(const char *s, int base, long min,
long max, int *ok, char **next);
unsigned long tor_parse_ulong(const char *s, int base, unsigned long min,
unsigned long max, int *ok, char **next);
double tor_parse_double(const char *s, double min, double max, int *ok,
char **next);
uint64_t tor_parse_uint64(const char *s, int base, uint64_t min,
uint64_t max, int *ok, char **next);
const char *hex_str(const char *from, size_t fromlen) ATTR_NONNULL((1));

33
src/or/config.c
View File

@ -4860,35 +4860,28 @@ config_parse_units(const char *val, struct unit_table_t *u, int *ok)
uint64_t v = 0;
double d = 0;
int use_float = 0;
smartlist_t *sl;
char *cp;
tor_assert(ok);
sl = smartlist_create();
smartlist_split_string(sl, val, NULL,
SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 3);
if (smartlist_len(sl) < 1 || smartlist_len(sl) > 2) {
*ok = 0;
goto done;
}
v = tor_parse_uint64(smartlist_get(sl,0), 10, 0, UINT64_MAX, ok, NULL);
if (!*ok) {
int r = sscanf(smartlist_get(sl,0), "%lf", &d);
if (r == 0 || d < 0)
v = tor_parse_uint64(val, 10, 0, UINT64_MAX, ok, &cp);
if (!*ok || (cp && *cp == '.')) {
d = tor_parse_double(val, 0, UINT64_MAX, ok, &cp);
if (!*ok)
goto done;
use_float = 1;
}
if (smartlist_len(sl) == 1) {
if (!cp) {
*ok = 1;
v = use_float ? DBL_TO_U64(d) : v;
goto done;
}
cp = (char*) eat_whitespace(cp);
for ( ;u->unit;++u) {
if (!strcasecmp(u->unit, smartlist_get(sl,1))) {
if (!strcasecmp(u->unit, cp)) {
if (use_float)
v = u->multiplier * d;
else
@ -4897,11 +4890,9 @@ config_parse_units(const char *val, struct unit_table_t *u, int *ok)
goto done;
}
}
log_warn(LD_CONFIG, "Unknown unit '%s'.", (char*)smartlist_get(sl,1));
log_warn(LD_CONFIG, "Unknown unit '%s'.", cp);
*ok = 0;
done:
SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp));
smartlist_free(sl);
if (*ok)
return v;
@ -4916,7 +4907,9 @@ config_parse_units(const char *val, struct unit_table_t *u, int *ok)
static uint64_t
config_parse_memunit(const char *s, int *ok)
{
return config_parse_units(s, memory_units, ok);
uint64_t u = config_parse_units(s, memory_units, ok);
printf("%s -> %d\n", s, (int)u);
return u;
}
/** Parse a string in the format "number unit", where unit is a unit of time.