compat/fopen.c

   1 #include "../git-compat-util.h"
   2 #undef fopen
   3 FILE *git_fopen(const char *path, const char *mode)
   4 {
   5         FILE *fp;
   6         struct stat st;
   7
   8         if (mode[0] == 'w' || mode[0] == 'a')
   9                 return fopen(path, mode);
  10
  11         if (!(fp = fopen(path, mode)))
  12                 return NULL;
  13
  14         if (fstat(fileno(fp), &st)) {
  15                 fclose(fp);
  16                 return NULL;
  17         }
  18
  19         if (S_ISDIR(st.st_mode)) {
  20                 fclose(fp);
  21                 errno = EISDIR;
  22                 return NULL;
  23         }
  24
  25         return fp;
  26 }