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-rw-r--r--engines/sci/engine/kstring.cpp36
1 files changed, 31 insertions, 5 deletions
diff --git a/engines/sci/engine/kstring.cpp b/engines/sci/engine/kstring.cpp
index 426c682e11..2681b612e9 100644
--- a/engines/sci/engine/kstring.cpp
+++ b/engines/sci/engine/kstring.cpp
@@ -138,10 +138,36 @@ reg_t kReadNumber(EngineState *s, int argc, reg_t *argv) {
while (isspace((unsigned char)*source))
source++; /* Skip whitespace */
- if (*source == '$') /* SCI uses this for hex numbers */
- return make_reg(0, (int16)strtol(source + 1, NULL, 16)); /* Hex */
- else
- return make_reg(0, (int16)strtol(source, NULL, 10)); /* Force decimal */
+ int16 result = 0;
+
+ if (*source == '$') {
+ // hexadecimal input
+ result = (int16)strtol(source + 1, NULL, 16);
+ } else {
+ // decimal input, we can not use strtol/atoi in here, because sierra used atoi BUT it was a non standard compliant
+ // atoi, that didnt do clipping. In SQ4 we get the door code in here and that's even larger than uint32!
+ if (*source == '-') {
+ result = -1;
+ source++;
+ }
+ while (*source) {
+ if ((*source < '0') || (*source > '9')) {
+ // Sierras atoi stopped processing at anything different than number
+ // Sometimes the input has a trailing space, that's fine (example: lsl3)
+ if (*source != ' ') {
+ // TODO: this happens in lsl5 right in the intro -> we get '1' '3' 0xCD 0xCD 0xCD 0xCD 0xCD
+ // find out why this happens and fix it
+ warning("Invalid character in kReadNumber input");
+ }
+ break;
+ }
+ result *= 10;
+ result += *source - 0x30;
+ source++;
+ }
+ }
+
+ return make_reg(0, result);
}
@@ -241,7 +267,7 @@ reg_t kFormat(EngineState *s, int argc, reg_t *argv) {
#ifdef ENABLE_SCI32
// If the string is a string object, get to the actual string in the data selector
if (s->_segMan->isObject(reg))
- reg = GET_SEL32(s->_segMan, reg, SELECTOR(data));
+ reg = readSelector(s->_segMan, reg, SELECTOR(data));
#endif
Common::String tempsource = (reg == NULL_REG) ? "" : g_sci->getKernel()->lookupText(reg,