mirror of
https://github.com/fail0verflow/hbc.git
synced 2024-11-19 08:09:19 +01:00
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
|
/* File ggets.h - goodgets is a safe alternative to gets */
|
||
|
|
/* By C.B. Falconer. Public domain 2002-06-22 */
|
||
|
|
/* attribution appreciated. */
|
||
|
|
|
||
|
|
|
||
|
|
/* Revised 2002-06-26 New prototype.
|
||
|
|
2002-06-27 Incomplete final lines
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* fggets and ggets [which is fggets(ln, stdin)] set *ln to
|
||
|
|
a buffer filled with the next complete line from the text
|
||
|
|
stream f. The storage has been allocated within fggets,
|
||
|
|
and is normally reduced to be an exact fit. The trailing
|
||
|
|
\n has been removed, so the resultant line is ready for
|
||
|
|
dumping with puts. The buffer will be as large as is
|
||
|
|
required to hold the complete line.
|
||
|
|
|
||
|
|
Note: this means a final file line without a \n terminator
|
||
|
|
has an effective \n appended, as EOF occurs within the read.
|
||
|
|
|
||
|
|
If no error occurs fggets returns 0. If an EOF occurs on
|
||
|
|
the input file, EOF is returned. For memory allocation
|
||
|
|
errors some positive value is returned. In this case *ln
|
||
|
|
may point to a partial line. For other errors memory is
|
||
|
|
freed and *ln is set to NULL.
|
||
|
|
|
||
|
|
Freeing of assigned storage is the callers responsibility
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef ggets_h_
|
||
|
|
# define ggets_h_
|
||
|
|
|
||
|
|
# ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
# endif
|
||
|
|
|
||
|
|
int fggets(char* *ln, FILE *f);
|
||
|
|
|
||
|
|
#define ggets(ln) fggets(ln, stdin)
|
||
|
|
|
||
|
|
# ifdef __cplusplus
|
||
|
|
}
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
/* END ggets.h */
|