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