Fix LLONG_MIN and INT_MIN

HomeOfAviSynthPlusEvolution · Feb 9, 2025 · 5846d59 · 5846d59
1 parent 721fe20
commit 5846d59
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/common/lwindex_sscanf_unrolled.h b/common/lwindex_sscanf_unrolled.h
@@ -25,7 +25,7 @@
 
 #define PARSE_OR_RETURN(buf, needle, out, type) \
     if (strncmp(buf, needle, strlen(needle)) != 0) \
-        return 0; \
+        return parsed_count; \
     buf += strlen(needle); \
     out = my_strto_##type(buf, &buf); \
     parsed_count++;
@@ -41,6 +41,12 @@ static inline int64_t my_strto_int64_t(const char *nptr, char **endptr) {
     int c;
     int neg = 0;
 
+    const char* min_str = "-9223372036854775808";
+    if (strncmp(s, min_str, strlen(min_str)) == 0) {
+        *endptr = (char*)s + strlen(min_str);
+        return LLONG_MIN;
+    }
+
     /* Process sign. */
     if (*s == '-') {
         neg = 1;
@@ -76,6 +82,12 @@ static inline int my_strto_int(const char *nptr, char **endptr) {
     int c;
     int neg = 0;
 
+    const char* min_str = "-2147483648";
+    if (strncmp(s, min_str, strlen(min_str)) == 0) {
+        *endptr = (char*)s + strlen(min_str);
+        return INT_MIN;
+    }
+
     /* Process sign. */
     if (*s == '-') {
         neg = 1;