bc/SOURCES/bc-1.06-dc_ibase.patch
2021-12-09 11:36:27 +00:00

59 lines
1.5 KiB
Diff

--- bc-1.06/dc/numeric.c.dc_ibase 2007-08-22 08:37:57.000000000 +0200
+++ bc-1.06/dc/numeric.c 2007-08-22 08:37:40.000000000 +0200
@@ -285,6 +285,8 @@ dc_getnum DC_DECLARG((input, ibase, read
int digit;
int decimal;
int c;
+ int c_buff = 0;
+ int multi = 0;
bc_init_num(&tmp);
bc_init_num(&build);
@@ -302,6 +304,9 @@ dc_getnum DC_DECLARG((input, ibase, read
}
while (isspace(c))
c = (*input)();
+ c_buff = (*input)();
+ if (isdigit(c_buff) || ('A' <= c_buff && c_buff <= 'F') || c_buff == '.')
+ multi = 1;
for (;;){
if (isdigit(c))
digit = c - '0';
@@ -309,10 +314,15 @@ dc_getnum DC_DECLARG((input, ibase, read
digit = 10 + c - 'A';
else
break;
- c = (*input)();
+ digit = multi ? (digit >= ibase ? ibase -1 : digit) : digit;
bc_int2num(&tmp, digit);
bc_multiply(result, base, &result, 0);
bc_add(result, tmp, &result, 0);
+ if (c_buff) {
+ c = c_buff;
+ c_buff = 0;
+ } else
+ c = (*input)();
}
if (c == '.'){
bc_free_num(&build);
@@ -321,13 +331,18 @@ dc_getnum DC_DECLARG((input, ibase, read
build = bc_copy_num(_zero_);
decimal = 0;
for (;;){
- c = (*input)();
+ if (c_buff) {
+ c = c_buff;
+ c_buff = 0;
+ } else
+ c = (*input)();
if (isdigit(c))
digit = c - '0';
else if ('A' <= c && c <= 'F')
digit = 10 + c - 'A';
else
break;
+ digit = digit >= ibase ? ibase -1 : digit;
bc_int2num(&tmp, digit);
bc_multiply(build, base, &build, 0);
bc_add(build, tmp, &build, 0);