diff options
Diffstat (limited to 'lib/libpgm1.c')
-rw-r--r-- | lib/libpgm1.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libpgm1.c b/lib/libpgm1.c index 57344c16..de5aedde 100644 --- a/lib/libpgm1.c +++ b/lib/libpgm1.c @@ -167,7 +167,8 @@ pgm_readpgminit(FILE * const fileP, break; default: - pm_error("bad magic number - not a Netpbm file"); + pm_error("bad magic number 0x%x - not a PPM, PGM, PBM, or PAM file", + realFormat); } validateComputableSize(*colsP, *rowsP); } |