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fix issue with using long double in snprintf

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vms 2019-06-30 21:27:19 +03:00
parent 4fd252b07c
commit 016c4dc113
1 changed files with 10 additions and 0 deletions
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10
src/util.c
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@ -540,7 +540,12 @@ int ld2string(char *buf, size_t len, long double value, int humanfriendly) {
* way that is "non surprising" for the user (that is, most small * way that is "non surprising" for the user (that is, most small
* decimal numbers will be represented in a way that when converted * decimal numbers will be represented in a way that when converted
* back into a string are exactly the same as what the user typed.) */ * back into a string are exactly the same as what the user typed.) */
#if __redis_unmodified_upstream // using Lf modifier used for long double crashes Redis
l = snprintf(buf,len,"%.17Lf", value); l = snprintf(buf,len,"%.17Lf", value);
#else
const double value_tmp = value;
l = snprintf(buf,len,"%lf", value_tmp);
#endif
if (l+1 > len) return 0; /* No room. */ if (l+1 > len) return 0; /* No room. */
/* Now remove trailing zeroes after the '.' */ /* Now remove trailing zeroes after the '.' */
if (strchr(buf,'.') != NULL) { if (strchr(buf,'.') != NULL) {
@ -552,7 +557,12 @@ int ld2string(char *buf, size_t len, long double value, int humanfriendly) {
if (*p == '.') l--; if (*p == '.') l--;
} }
} else { } else {
#if __redis_unmodified_upstream // using Lf modifier used for long double crashes Redis
l = snprintf(buf,len,"%.17Lf", value); l = snprintf(buf,len,"%.17Lf", value);
#else
const double value_tmp = value;
l = snprintf(buf,len,"%lf", value_tmp);
#endif
if (l+1 > len) return 0; /* No room. */ if (l+1 > len) return 0; /* No room. */
} }
buf[l] = '\0'; buf[l] = '\0';