check_openpf1.c (905B)
1 /* Check that --sysroot is applied to open(2). 2 #sim: --sysroot=@exedir@ 3 4 We assume, with EXE being the name of the executable: 5 - The simulator executes with cwd the same directory where the executable 6 is located (so argv[0] contains a plain filename without directory 7 components). 8 - There's no /EXE on the host file system. */ 9 10 #include <stdio.h> 11 #include <stdlib.h> 12 #include <string.h> 13 #include <errno.h> 14 int main (int argc, char *argv[]) 15 { 16 char *fnam = argv[0]; 17 FILE *f; 18 if (argv[0][0] != '/') 19 { 20 fnam = malloc (strlen (argv[0]) + 2); 21 if (fnam == NULL) 22 abort (); 23 strcpy (fnam, "/"); 24 strcat (fnam, argv[0]); 25 } 26 27 f = fopen (fnam, "rb"); 28 if (f == NULL) 29 abort (); 30 fclose(f); 31 32 /* Cover another execution path. */ 33 if (fopen ("/nonexistent", "rb") != NULL 34 || errno != ENOENT) 35 abort (); 36 printf ("pass\n"); 37 return 0; 38 }