diff options
Diffstat (limited to 'pack.c')
| -rw-r--r-- | pack.c | 24 |
1 files changed, 11 insertions, 13 deletions
@@ -1787,33 +1787,31 @@ pack_unpack(VALUE str, VALUE fmt) VALUE buf = infected_str_new(0, (send - s)*3/4, str); char *ptr = RSTRING_PTR(buf); int a = -1,b = -1,c = 0,d; - static int first = 1; - static int b64_xtable[256]; + static signed char b64_xtable[256]; - if (first) { + if (b64_xtable['/'] <= 0) { int i; - first = 0; for (i = 0; i < 256; i++) { b64_xtable[i] = -1; } for (i = 0; i < 64; i++) { - b64_xtable[(int)b64_table[i]] = i; + b64_xtable[(unsigned char)b64_table[i]] = i; } } while (s < send) { a = b = c = d = -1; - while((a = b64_xtable[(int)(*(unsigned char*)s)]) == -1 && s < send) { s++; } - if( s >= send ) break; + while ((a = b64_xtable[(unsigned char)*s]) == -1 && s < send) {s++;} + if (s >= send) break; s++; - while((b = b64_xtable[(int)(*(unsigned char*)s)]) == -1 && s < send) { s++; } - if( s >= send ) break; + while ((b = b64_xtable[(unsigned char)*s]) == -1 && s < send) {s++;} + if (s >= send) break; s++; - while((c = b64_xtable[(int)(*(unsigned char*)s)]) == -1 && s < send) { if( *s == '=' ) break; s++; } - if( *s == '=' || s >= send ) break; + while ((c = b64_xtable[(unsigned char)*s]) == -1 && s < send) {if (*s == '=') break; s++;} + if (*s == '=' || s >= send) break; s++; - while((d = b64_xtable[(int)(*(unsigned char*)s)]) == -1 && s < send) { if( *s == '=' ) break; s++; } - if( *s == '=' || s >= send ) break; + while ((d = b64_xtable[(unsigned char)*s]) == -1 && s < send) {if (*s == '=') break; s++;} + if (*s == '=' || s >= send) break; s++; *ptr++ = a << 2 | b >> 4; *ptr++ = b << 4 | c >> 2; |