[Libguestfs] [PATCH nbdkit 5/7] server/debug-flags.c: Refactor construction of name from debug flag.

Neutral refactoring. --- server/debug-flags.c | 24 +++++++++++++++++------- 1 file changed, 17 insertions(+), 7 deletions(-) diff --git a/server/debug-flags.c b/server/debug-flags.c index 53adc21..497c2b4 100644 --- a/server/debug-flags.c +++ b/server/debug-flags.c @@ -40,6 +40,22 @@ #include "internal.h" +/* Synthesize the name of the *_debug_* variable from the plugin name + * and flag. + */ +static char * +name_of_debug_flag (const char *name, const char *flag) +{ + char *var; + + if (asprintf (&var, "%s_debug_%s", name, flag) == -1) { + perror ("asprintf"); + exit (EXIT_FAILURE); + } + + return var; /* caller frees */ +} + /* Apply all debug flags applicable to this backend. */ void apply_debug_flags (void *dl, const char *name) @@ -48,14 +64,8 @@ apply_debug_flags (void *dl, const char *name) for (flag = debug_flags; flag != NULL; flag = flag->next) { if (!flag->used && strcmp (name, flag->name) == 0) { - CLEANUP_FREE char *var = NULL; int *sym; - - /* Synthesize the name of the variable. */ - if (asprintf (&var, "%s_debug_%s", name, flag->flag) == -1) { - perror ("asprintf"); - exit (EXIT_FAILURE); - } + CLEANUP_FREE char *var = name_of_debug_flag (name, flag->flag); /* Find the symbol. */ sym = dlsym (dl, var); -- 2.23.0