From 0a87bf16693e35ed172ce8738404d9acd9545a5a Mon Sep 17 00:00:00 2001
From: Anatol Belski <ab@php.net>
Date: Tue, 8 Oct 2019 19:54:08 +0200
Subject: [PATCH] Fix possible int overflow in reader cb (#88)

---
 ini.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ini.c b/ini.c
index 71fed68..b4d5921 100644
--- a/ini.c
+++ b/ini.c
@@ -89,11 +89,11 @@ int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
     int max_line = INI_MAX_LINE;
 #else
     char* line;
-    int max_line = INI_INITIAL_ALLOC;
+    size_t max_line = INI_INITIAL_ALLOC;
 #endif
 #if INI_ALLOW_REALLOC && !INI_USE_STACK
     char* new_line;
-    int offset;
+    size_t offset;
 #endif
     char section[MAX_SECTION] = "";
     char prev_name[MAX_NAME] = "";
@@ -119,7 +119,7 @@ int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
 #endif
 
     /* Scan through stream line by line */
-    while (reader(line, max_line, stream) != NULL) {
+    while (reader(line, (int)max_line, stream) != NULL) {
 #if INI_ALLOW_REALLOC && !INI_USE_STACK
         offset = strlen(line);
         while (offset == max_line - 1 && line[offset - 1] != '\n') {
@@ -132,7 +132,7 @@ int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
                 return -2;
             }
             line = new_line;
-            if (reader(line + offset, max_line - offset, stream) == NULL)
+            if (reader(line + offset, (int)(max_line - offset), stream) == NULL)
                 break;
             if (max_line >= INI_MAX_LINE)
                 break;