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Diffstat (limited to 'src/user/app/shell/builtins.c')
| -rw-r--r-- | src/user/app/shell/builtins.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/user/app/shell/builtins.c b/src/user/app/shell/builtins.c index 734370b..9c294b2 100644 --- a/src/user/app/shell/builtins.c +++ b/src/user/app/shell/builtins.c @@ -35,6 +35,10 @@ static void cmd_cat(int argc, char **argv) { if (len <= 0) break; fwrite(buf, 1, len, stdout); } + if (ferror(file)) { + perror(argv[i]); + return; + } fclose(file); } } |