im.pidgin.pidgin: 94ce8a7c2dcd9c4ab8a0eff7fb4391ea043cd183

[datallah at pidgin.im]

-----------------------------------------------------------------
Revision: 94ce8a7c2dcd9c4ab8a0eff7fb4391ea043cd183
Ancestor: 55c9e6a9c4728a7d3394eb9f5c6042bc0657e72d
Author: datallah at pidgin.im
Date: 2007-10-13T16:55:57
Branch: im.pidgin.pidgin

Modified files:
        libpurple/util.c

ChangeLog: 

Prevent invalid data length from getting passed to fwrite.

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--- libpurple/util.c	0d6a7ceb17774c519eafeb4f8ed824667a8fe331
+++ libpurple/util.c	baf92b3583b48a3a9127280570da40090dbcaa9d
@@ -2565,6 +2565,8 @@ purple_util_write_data_to_file_absolute(
 	purple_debug_info("util", "Writing file %s\n",
 					filename_full);
 
+	g_return_val_if_fail((size >= 0 || size == -1), FALSE);
+
 	filename_temp = g_strdup_printf("%s.save", filename_full);
 
 	/* Remove an old temporary file, if one exists */
@@ -2590,7 +2592,7 @@ purple_util_write_data_to_file_absolute(
 	}
 
 	/* Write to file */
-	real_size = (size == -1) ? strlen(data) : size;
+	real_size = (size == -1) ? strlen(data) : (size_t) size;
 	byteswritten = fwrite(data, 1, real_size, file);
 
 	/* Close file */