lib/pcre/pcre_compile.c

74 holds the compiled pattern length does not overflow. We make it a bit less than
482   "internal error: code overflow\0"
1046   BOOL braced, negated, overflow;
1155     overflow = FALSE;
1158       if (s > INT_MAX / 10 - 1) /* Integer overflow */
1160         overflow = TRUE;
1165     if (overflow) /* Integer overflow */
1222       overflow = FALSE;
1225         if (s > INT_MAX / 10 - 1) /* Integer overflow */
1227           overflow = TRUE;
1232       if (overflow) /* Integer overflow */
1280       overflow = FALSE;
1286         if (c >= 0x20000000l) { overflow = TRUE; break; }
1290         if (c > (utf ? 0x10ffffU : 0xffU)) { overflow = TRUE; break; }
1292         if (c > (utf ? 0x10ffffU : 0xffffU)) { overflow = TRUE; break; }
1294         if (utf && c > 0x10ffffU) { overflow = TRUE; break; }
1297       if (overflow)
1352         overflow = FALSE;
1359           if (c >= 0x10000000l) { overflow = TRUE; break; }
1371           if (c > (utf ? 0x10ffffU : 0xffU)) { overflow = TRUE; break; }
1373           if (c > (utf ? 0x10ffffU : 0xffffU)) { overflow = TRUE; break; }
1375           if (utf && c > 0x10ffffU) { overflow = TRUE; break; }
1379         if (overflow)
1932     /* The original code caused an unsigned overflow in 64 bit systems,
4614     /* Paranoid check for integer overflow */
5548     phase, class_uchardata gets emptied to prevent workspace overflow, so it
6125           potential integer overflow. The INT64_OR_DOUBLE type is a 64-bit
6198         paranoid checks to avoid integer overflow. The INT64_OR_DOUBLE type is
6678               *lengthptr += arglen;   /* overflow. */
6849             if (recno > INT_MAX / 10 - 1)  /* Integer overflow */
6989             if (recno > INT_MAX / 10 - 1)   /* Integer overflow */
7489             if (recno > INT_MAX / 10 - 1) /* Integer overflow */
9037 to fill in forward references to subpatterns. That may overflow, in which case
9137       if (c > PCRE_UINT32_MAX / 10 - 1) break;   /* Integer overflow */
9156       if (c > PCRE_UINT32_MAX / 10 - 1) break;   /* Integer overflow check */
9304 no longer needed, so hopefully this workspace will never overflow, though there
9355 overflow should no longer be possible because nowadays we limit the maximum
9457 /* Fill in the terminating state and check for disastrous overflow, but