39 #define s_push_layer(s,h,n) { (s)->h = (s)->p; (s)->p += n; } 40 #define s_pop_layer(s,h) (s)->p = (s)->h; 41 #define s_mark_end(s) (s)->end = (s)->p; 42 #define s_check(s) ((s)->p <= (s)->end) 43 #define s_check_rem(s,n) ((s)->p + n <= (s)->end) 44 #define s_check_end(s) ((s)->p == (s)->end) 45 #define s_length(s) ((s)->end - (s)->data) 46 #define s_reset(s) ((s)->end = (s)->p = (s)->data) 48 #if defined(L_ENDIAN) && !defined(NEED_ALIGN) 49 #define in_uint16_le(s,v) { v = *(uint16 *)((s)->p); (s)->p += 2; } 50 #define in_uint32_le(s,v) { v = *(uint32 *)((s)->p); (s)->p += 4; } 51 #define out_uint16_le(s,v) { *(uint16 *)((s)->p) = v; (s)->p += 2; } 52 #define out_uint32_le(s,v) { *(uint32 *)((s)->p) = v; (s)->p += 4; } 55 #define in_uint16_le(s,v) { v = *((s)->p++); v += *((s)->p++) << 8; } 56 #define in_uint32_le(s,v) { in_uint16_le(s,v) \ 57 v += *((s)->p++) << 16; v += *((s)->p++) << 24; } 58 #define out_uint16_le(s,v) { *((s)->p++) = (v) & 0xff; *((s)->p++) = ((v) >> 8) & 0xff; } 59 #define out_uint32_le(s,v) { out_uint16_le(s, (v) & 0xffff); out_uint16_le(s, ((v) >> 16) & 0xffff); } 62 #if defined(B_ENDIAN) && !defined(NEED_ALIGN) 63 #define in_uint16_be(s,v) { v = *(uint16 *)((s)->p); (s)->p += 2; } 64 #define in_uint32_be(s,v) { v = *(uint32 *)((s)->p); (s)->p += 4; } 65 #define out_uint16_be(s,v) { *(uint16 *)((s)->p) = v; (s)->p += 2; } 66 #define out_uint32_be(s,v) { *(uint32 *)((s)->p) = v; (s)->p += 4; } 68 #define B_ENDIAN_PREFERRED 69 #define in_uint16(s,v) in_uint16_be(s,v) 70 #define in_uint32(s,v) in_uint32_be(s,v) 71 #define out_uint16(s,v) out_uint16_be(s,v) 72 #define out_uint32(s,v) out_uint32_be(s,v) 75 #define in_uint16_be(s,v) { v = *((s)->p++); next_be(s,v); } 76 #define in_uint32_be(s,v) { in_uint16_be(s,v); next_be(s,v); next_be(s,v); } 77 #define out_uint16_be(s,v) { *((s)->p++) = ((v) >> 8) & 0xff; *((s)->p++) = (v) & 0xff; } 78 #define out_uint32_be(s,v) { out_uint16_be(s, ((v) >> 16) & 0xffff); out_uint16_be(s, (v) & 0xffff); } 81 #ifndef B_ENDIAN_PREFERRED 82 #define in_uint16(s,v) in_uint16_le(s,v) 83 #define in_uint32(s,v) in_uint32_le(s,v) 84 #define out_uint16(s,v) out_uint16_le(s,v) 85 #define out_uint32(s,v) out_uint32_le(s,v) 88 #define in_uint8(s,v) v = *((s)->p++); 89 #define in_uint8p(s,v,n) { v = (s)->p; (s)->p += n; } 90 #define in_uint8a(s,v,n) { memcpy(v,(s)->p,n); (s)->p += n; } 91 #define in_uint8s(s,n) (s)->p += n; 92 #define out_uint8(s,v) *((s)->p++) = v; 93 #define out_uint8p(s,v,n) { memcpy((s)->p,v,n); (s)->p += n; } 94 #define out_uint8a(s,v,n) out_uint8p(s,v,n); 95 #define out_uint8s(s,n) { memset((s)->p,0,n); (s)->p += n; } 97 #define next_be(s,v) v = ((v) << 8) + *((s)->p++);
unsigned char * channel_hdr