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Show/hide line numbers open_stub.c Source File

open_stub.c

00001 #include <stdbool.h>
00002 #include <sys/types.h>
00003 #include <sys/stat.h>
00004 #include <fcntl.h>
00005 #include <stdarg.h>
00006 
00007 bool allow_open = true;
00008 int __real_open(const char *path, int flags, ...);
00009 int __wrap_open(const char *path, int flags, ...)
00010 {
00011     if (allow_open) {
00012         if (flags & O_CREAT) {
00013             va_list vl;
00014             va_start(vl,flags);
00015             mode_t mode = va_arg(vl, mode_t);
00016             va_end(vl);
00017             return __real_open(path, flags, mode);
00018         } else {
00019             return __real_open(path, flags);
00020         }
00021     } else {
00022         return -1;
00023     }
00024 }