diff options
Diffstat (limited to 'pseudo_wrappers.c')
| -rw-r--r-- | pseudo_wrappers.c | 60 |
1 files changed, 37 insertions, 23 deletions
diff --git a/pseudo_wrappers.c b/pseudo_wrappers.c index 600a918..07a4429 100644 --- a/pseudo_wrappers.c +++ b/pseudo_wrappers.c @@ -90,6 +90,42 @@ pseudo_reinit_libpseudo(void) { _libpseudo_init(); } +static void +pseudo_init_one_wrapper(pseudo_function *func) { + int (*f)(void); + char *e; + if (*func->real != NULL) { + /* already initialized */ + return; + } + dlerror(); + +#if PSEUDO_PORT_LINUX + if (func->version) + f = dlvsym(RTLD_NEXT, func->name, func->version); + /* fall through to the general case, if that failed */ + if (!f) +#endif + f = dlsym(RTLD_NEXT, func->name); + if (f) { + *func->real = f; + } else { + e = dlerror(); +#ifdef PSEUDO_NO_REAL_AT_FUNCTIONS + char *s = func->name; + s += strlen(s) - 2; + /* *at() don't have to exist */ + if (!strcmp(s, "at")) { + continue; + } +#else + if (e != NULL) { + pseudo_diag("No real function for %s: %s\n", func->name, e); + } +#endif + } +} + void pseudo_init_wrappers(void) { int i; @@ -103,29 +139,7 @@ pseudo_init_wrappers(void) { */ if (!done) { for (i = 0; pseudo_functions[i].name; ++i) { - if (*pseudo_functions[i].real == NULL) { - int (*f)(void); - char *e; - dlerror(); - f = dlsym(RTLD_NEXT, pseudo_functions[i].name); - if (f) { - *pseudo_functions[i].real = f; - } else { - e = dlerror(); -#ifdef PSEUDO_NO_REAL_AT_FUNCTIONS - char *s = pseudo_functions[i].name; - s += strlen(s) - 2; - /* *at() don't have to exist */ - if (!strcmp(s, "at")) { - continue; - } -#else - if (e != NULL) { - pseudo_diag("No real function for %s: %s\n", pseudo_functions[i].name, e); - } -#endif - } - } + pseudo_init_one_wrapper(&pseudo_functions[i]); } done = 1; } |