explain_fgets_or_die man page
explain_fgets_or_die — input of strings and report errors
char *explain_fgets_or_die(char *data, int data_size, FILE *fp);
The explain_fgets_or_die function is used to call the fgets(3) system call. On failure an explanation will be printed to stderr, obtained from explain_fgets(3), and then the process terminates by calling
This function is intended to be used in a fashion similar to the following example:
explain_fgets_or_die(data, data_size, fp);
The data, exactly as to be passed to the fgets(3) system call.
The data_size, exactly as to be passed to the fgets(3) system call.
The fp, exactly as to be passed to the fgets(3) system call.
This function only returns on success; data when a line is read, or NULL on end-of-file. On failure, prints an explanation and exits.
input of strings
explain fgets(3) errors
terminate the calling process
libexplain version 1.4
Copyright (C) 2008 Peter Miller