diff options
Diffstat (limited to 'misc.c')
| -rw-r--r-- | misc.c | 25 |
1 files changed, 22 insertions, 3 deletions
@@ -27,13 +27,15 @@ #include "misc.h" +/* Grabs a 'mm:ss:ff' stamp from stdin */ int get_stamp(int *m, int *s, int *f) { - int foo = 0; - foo = fscanf(stdin, "%d:%d:%d\n", m, s, f); - return foo; + return fscanf(stdin, "%d:%d:%d\n", m, s, f); } +/* Constructs an output filename in the specified buffer based on the given format and track number + * Main purpose is to catch buffer overflow with snprintf + */ void construct_out_name(char *buffer, size_t buffer_size, char* format, unsigned int track) { if (snprintf(buffer, buffer_size, format, track) == buffer_size) @@ -43,3 +45,20 @@ void construct_out_name(char *buffer, size_t buffer_size, char* format, unsigned } return EXIT_SUCCESS; } + +/* Displays the help/syntax message and dies + * Does what it says on the tin + */ +void die_help() +{ + fprintf(stderr, + "\n" + "Options: \n" + " -r bitrate_Hz\n" + " -c channel_count\n" + " -i input_file\n" + " -s size of a single channel's sample (bytes)\n" + " -f name_format (%%d and co are replaced with track number)\n" + ); + exit(EXIT_FAILURE); +} |