explain_strdup_or_die(3) - Linux man page
Name
explain_strdup_or_die - duplicate a string and report errors
Synopsis
#include <libexplain/strdup.h>
char *explain_strdup_or_die(const char *data);
char *explain_strdup_on_error(const char *data);
Description
The explain_strdup_or_die function is used to call the strdup(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_strdup(3) function, and then the process terminates by calling exit(EXIT_FAILURE).
The explain_strdup_on_error function is used to call the strdup(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_strdup(3) function, but still returns to the caller.
- data
The data, exactly as to be passed to the strdup(3) system call.
Return Value
The explain_strdup_or_die function only returns on success, see strdup(3) for more information. On failure, prints an explanation and exits, it does not return.
The explain_strdup_on_error function always returns the value return by the wrapped strdup(3) system call.
Example
The explain_strdup_or_die function is intended to be used in a fashion similar to the following example:
-
char *result = explain_strdup_or_die(data);
See Also
strdup(3)
- duplicate a string
- explain_strdup(3)
- explain strdup(3) errors
- exit(2)
terminate the calling process
Copyright
libexplain version 0.52
Copyright © 2009 Peter Miller