--- /dev/null
+/*
+ * Copyright (c) 2012 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include <printf.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "xprintf_domain.h"
+#include "xprintf_private.h"
+
+/* These are flag characters and can never be used as conversion specifiers */
+static const char _printf_tbl_flags[] = "#$'*+,-.0123456789:;L_hjlqtvz";
+
+struct _printf_tbl_defaults_fbsd {
+ const char *spec;
+ printf_arginfo_function *arginfo;
+ printf_render *render;
+};
+static struct _printf_tbl_defaults_fbsd _printf_tbl_defaults_fbsd[] = {
+ {"%", __printf_arginfo_pct, __printf_render_pct},
+ {"AEFGaefg", __printf_arginfo_float, __printf_render_float},
+ {"Cc", __printf_arginfo_chr, __printf_render_chr},
+ {"DOUXdioux", __printf_arginfo_int, __printf_render_int},
+ {"Ss", __printf_arginfo_str, __printf_render_str},
+ {"p", __printf_arginfo_ptr, __printf_render_ptr},
+};
+struct _printf_tbl_defaults_glibc {
+ const char *spec;
+ printf_arginfo_function *arginfo;
+ printf_function *render;
+};
+static struct _printf_tbl_defaults_glibc _printf_tbl_defaults_glibc[] = {
+ {"n", __printf_arginfo_n, __printf_render_n},
+};
+
+static printf_domain_t xprintf_domain_default;
+#ifdef XPRINTF_DEBUG
+__private_extern__ printf_domain_t xprintf_domain_global = NULL;
+#endif
+
+__private_extern__ pthread_once_t __xprintf_domain_once = PTHREAD_ONCE_INIT;
+
+__private_extern__ void
+__xprintf_domain_init(void)
+{
+ xprintf_domain_default = (printf_domain_t)calloc(
+#ifdef XPRINTF_DEBUG
+ 2,
+#else
+ 1,
+#endif
+ sizeof(*xprintf_domain_default));
+ if(xprintf_domain_default == NULL)
+ LIBC_ABORT("No memory");
+
+ xprintf_domain_default->rwlock = (pthread_rwlock_t)PTHREAD_RWLOCK_INITIALIZER;
+ {
+ const char *cp;
+ for(cp = _printf_tbl_flags; *cp; cp++)
+ xprintf_domain_default->type[printf_tbl_index(*cp)] = PRINTF_DOMAIN_FLAG;
+ }
+ {
+ struct _printf_tbl_defaults_fbsd *d = _printf_tbl_defaults_fbsd;
+ int n = sizeof(_printf_tbl_defaults_fbsd) / sizeof(*_printf_tbl_defaults_fbsd);
+ for(; n > 0; d++, n--) {
+ for(const char *cp = d->spec; *cp; cp++) {
+ xprintf_domain_default->type[printf_tbl_index(*cp)] = PRINTF_DOMAIN_FBSD_API;
+ xprintf_domain_default->tbl[printf_tbl_index(*cp)] = (struct _printf_tbl){d->arginfo, d->render, NULL};
+ }
+ }
+ }
+ {
+ struct _printf_tbl_defaults_glibc *d = _printf_tbl_defaults_glibc;
+ int n = sizeof(_printf_tbl_defaults_glibc) / sizeof(*_printf_tbl_defaults_glibc);
+ for(; n > 0; d++, n--) {
+ for(const char *cp = d->spec; *cp; cp++) {
+ xprintf_domain_default->type[printf_tbl_index(*cp)] = PRINTF_DOMAIN_GLIBC_API;
+ xprintf_domain_default->tbl[printf_tbl_index(*cp)] = (struct _printf_tbl){d->arginfo, d->render, NULL};
+ }
+ }
+ }
+#ifdef XPRINTF_DEBUG
+ xprintf_domain_global = xprintf_domain_default + 1;
+ *xprintf_domain_global = *xprintf_domain_default;
+#endif
+}
+
+printf_domain_t
+copy_printf_domain(printf_domain_t src)
+{
+ printf_domain_t restrict copy;
+
+ if(!src) {
+ errno = EINVAL;
+ return NULL;
+ }
+ copy = (printf_domain_t)MALLOC(sizeof(*copy));
+ if(!copy) return NULL;
+ xprintf_domain_init();
+ pthread_rwlock_rdlock(&src->rwlock);
+ *copy = *src;
+ pthread_rwlock_unlock(&src->rwlock);
+ copy->rwlock = (pthread_rwlock_t)PTHREAD_RWLOCK_INITIALIZER;
+ return copy;
+}
+
+void
+free_printf_domain(printf_domain_t d)
+{
+ if(!d) return;
+ pthread_rwlock_destroy(&d->rwlock);
+ free(d);
+}
+
+printf_domain_t
+new_printf_domain(void)
+{
+ printf_domain_t restrict d;
+
+ xprintf_domain_init();
+
+ d = (printf_domain_t)MALLOC(sizeof(*d));
+ if(!d) return NULL;
+ *d = *xprintf_domain_default;
+ return d;
+}
+
+int
+register_printf_domain_function(printf_domain_t d, int spec, printf_function *render, printf_arginfo_function *arginfo, void *context)
+{
+ xprintf_domain_init();
+
+ if(!d || !printf_tbl_in_range(spec)) {
+ errno = EINVAL;
+ return -1;
+ }
+ xprintf_domain_init();
+
+ switch(d->type[printf_tbl_index(spec)]) {
+ case PRINTF_DOMAIN_FLAG:
+ errno = EINVAL;
+ return -1;
+ default:
+ pthread_rwlock_wrlock(&d->rwlock);
+ if(!render || !arginfo) {
+ d->type[printf_tbl_index(spec)] = PRINTF_DOMAIN_UNUSED;
+ } else {
+ d->type[printf_tbl_index(spec)] = PRINTF_DOMAIN_GLIBC_API;
+ d->tbl[printf_tbl_index(spec)] = (struct _printf_tbl){arginfo, render, context};
+ }
+ pthread_rwlock_unlock(&d->rwlock);
+ }
+
+ return 0;
+}
+
+__private_extern__ int
+register_printf_domain_render(printf_domain_t d, int spec, printf_render *render, printf_arginfo_function *arginfo)
+{
+ xprintf_domain_init();
+
+ if(!d || !printf_tbl_in_range(spec)) {
+ errno = EINVAL;
+ return -1;
+ }
+ xprintf_domain_init();
+
+ switch(d->type[printf_tbl_index(spec)]) {
+ case PRINTF_DOMAIN_FLAG:
+ errno = EINVAL;
+ return -1;
+ default:
+ pthread_rwlock_wrlock(&d->rwlock);
+ if(!render || !arginfo) {
+ d->type[printf_tbl_index(spec)] = PRINTF_DOMAIN_UNUSED;
+ } else {
+ d->type[printf_tbl_index(spec)] = PRINTF_DOMAIN_FBSD_API;
+ d->tbl[printf_tbl_index(spec)] = (struct _printf_tbl){arginfo, render, NULL};
+ }
+ pthread_rwlock_unlock(&d->rwlock);
+ }
+
+ return 0;
+}
+
+int
+register_printf_domain_render_std(printf_domain_t d, const char *specs)
+{
+ int ret = 0;
+
+ for (; *specs != '\0'; specs++) {
+ switch (*specs) {
+ case 'H':
+ ret = register_printf_domain_render(d, *specs,
+ __printf_render_hexdump,
+ __printf_arginfo_hexdump);
+ break;
+ case 'M':
+ ret = register_printf_domain_render(d, *specs,
+ __printf_render_errno,
+ __printf_arginfo_errno);
+ break;
+ case 'Q':
+ ret = register_printf_domain_render(d, *specs,
+ __printf_render_quote,
+ __printf_arginfo_quote);
+ break;
+ case 'T':
+ ret = register_printf_domain_render(d, *specs,
+ __printf_render_time,
+ __printf_arginfo_time);
+ break;
+ case 'V':
+ ret = register_printf_domain_render(d, *specs,
+ __printf_render_vis,
+ __printf_arginfo_vis);
+ break;
+ default:
+ errno = EINVAL;
+ return (-1);
+ }
+ if(ret < 0) return ret;
+ }
+ return (0);
+}
projects / apple / libc.git / blobdiff