diff options
Diffstat (limited to 'libbb/print_file.c')
| -rw-r--r-- | libbb/print_file.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/libbb/print_file.c b/libbb/print_file.c index cdd60e7..8417c10 100644 --- a/libbb/print_file.c +++ b/libbb/print_file.c @@ -21,39 +21,50 @@ #include <stdio.h> #include <stdlib.h> -#include <sys/stat.h> #include "libbb.h" - -extern void print_file(FILE *file) +extern void bb_xprint_and_close_file(FILE *file) { - fflush(stdout); - if (copyfd(fileno(file), fileno(stdout), 0) == -1) { - exit(EXIT_FAILURE); + bb_xfflush_stdout(); + /* Note: Do not use STDOUT_FILENO here, as this is a lib routine + * and the calling code may have reassigned stdout. */ + if (bb_copyfd(fileno(file), fileno(stdout), 0) == -1) { + /* bb_copyfd outputs any needed messages, so just die. */ + exit(bb_default_error_retval); } + /* Note: Since we're reading, don't bother checking the return value + * of fclose(). The only possible failure is EINTR which + * should already have been taken care of. */ fclose(file); } -extern int print_file_by_name(char *filename) +/* Returns: + * 0 if successful + * -1 if 'filename' does not exist or is a directory + * exits with default error code if an error occurs + */ + +extern int bb_xprint_file_by_name(const char *filename) { + FILE *f; + +#if 0 + /* This check shouldn't be necessary for linux, but is left + * here disabled just in case. */ struct stat statBuf; - int status = TRUE; - if(is_directory(filename, TRUE, &statBuf)==TRUE) { - error_msg("%s: Is directory", filename); - status = FALSE; - } else { - FILE *f = wfopen(filename, "r"); - if(f!=NULL) - print_file(f); - else - status = FALSE; + if(is_directory(filename, TRUE, &statBuf)) { + bb_error_msg("%s: Is directory", filename); + } else +#endif + if ((f = bb_wfopen(filename, "r")) != NULL) { + bb_xprint_and_close_file(f); + return 0; } - return status; + return -1; } - /* END CODE */ /* Local Variables: |