misc: Replace libosmocore with talloc

The libosmocore depedency is used for talloc and OSMO_ASSERT.
Reduce the depedencies by using libtalloc directly and replace
the ASSERT with a local one (without backtrace support).

configure.ac

@@ -15,7 +15,7 @@ AC_PROG_LIBTOOL
 
 AC_CONFIG_MACRO_DIR([m4])
 
-PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.1.13)
+PKG_CHECK_MODULES(LIBTALLOC, talloc)
 
 # The following test is taken from WebKit's webkit.m4
 saved_CFLAGS="$CFLAGS"

include/asn1c/asn_internal.h

@@ -15,7 +15,7 @@
 #include <assert.h>		/* for assert() macro */
 #endif
 
-#include <osmocom/core/talloc.h>
+#include <talloc.h>
 
 #ifdef	__cplusplus
 extern "C" {

libasn1c.pc.in

@@ -6,6 +6,6 @@ includedir=@includedir@
 Name: asn1c runtime library
 Description: C Utility Library
 Version: @VERSION@
-Libs: -L${libdir} -lasn1c -lm
-Cflags: -I${includedir}/ -I${includedir}/asn1c
+Libs: -L${libdir} @LIBTALLOC_LIBS@ -lasn1c -lm
+Cflags: -I${includedir}/ -I${includedir}/asn1c @LIBTALLOC_CFLAGS@
 

src/Makefile.am

@@ -4,13 +4,13 @@
 LIBVERSION=1:0:0
 
 AM_CPPFLAGS = $(all_includes) -I$(top_srcdir)/include/asn1c
-AM_CFLAGS = -fPIC -Wall $(LIBOSMOCORE_CFLAGS)
+AM_CFLAGS = -fPIC -Wall $(LIBTALLOC_CFLAGS)
 if BUILD_DEBUG
 AM_CFLAGS += -DEMIT_ASN_DEBUG=1
 endif
 
 lib_LTLIBRARIES = libasn1c.la
 
-libasn1c_la_LDFLAGS = $(LIBOSMOCORE_LIBS)
+libasn1c_la_LDFLAGS = $(LIBTALLOC_LIBS)
 libasn1c_la_SOURCES = ANY.c              constraints.c         GeneralizedTime.c   NumericString.c      T61String.c asn_codecs_prim.c  constr_CHOICE.c       GeneralString.c     ObjectDescriptor.c   TeletexString.c asn_SEQUENCE_OF.c  constr_SEQUENCE.c     GraphicString.c     OBJECT_IDENTIFIER.c  UniversalString.c asn_SET_OF.c       constr_SEQUENCE_OF.c  IA5String.c         OCTET_STRING.c       UTCTime.c ber_decoder.c      constr_SET.c          INTEGER.c           per_decoder.c        UTF8String.c ber_tlv_length.c   constr_SET_OF.c       ISO646String.c      per_encoder.c        VideotexString.c ber_tlv_tag.c      constr_TYPE.c         NativeEnumerated.c  per_support.c        VisibleString.c BIT_STRING.c       NativeInteger.c     PrintableString.c    xer_decoder.c BMPString.c        der_encoder.c         NativeReal.c        REAL.c               xer_encoder.c BOOLEAN.c          ENUMERATED.c          NULL.c              RELATIVE-OID.c       xer_support.c	per_opentype.c        asn1helpers.c
 

src/asn1helpers.c

@@ -22,11 +22,15 @@
 #include <errno.h>
 #include <arpa/inet.h>
 
-#include <osmocom/core/utils.h>
-
 #include "asn1helpers.h"
 #include "asn_internal.h"
 
+#define ASN1C_ASSERT(exp)    \
+        if (!(exp)) { \
+                fprintf(stderr, "Assert failed %s %s:%d\n", #exp, __FILE__, __LINE__); \
+                abort(); \
+        }
+
 void asn1_u32_to_bitstring(BIT_STRING_t *bitstr, uint32_t *buf, uint32_t in)
 {
 	*buf = htonl(in);
@@ -126,39 +130,39 @@ int asn1_strncpy(char *out, const OCTET_STRING_t *in, size_t n)
 
 uint32_t asn1str_to_u32(const OCTET_STRING_t *in)
 {
-	OSMO_ASSERT(in && in->size == sizeof(uint32_t));
+	ASN1C_ASSERT(in && in->size == sizeof(uint32_t));
 	return ntohl(*(uint32_t *)in->buf);
 }
 
 uint16_t asn1str_to_u16(const OCTET_STRING_t *in)
 {
-	OSMO_ASSERT(in && in->size == sizeof(uint16_t));
+	ASN1C_ASSERT(in && in->size == sizeof(uint16_t));
 	return ntohs(*(uint16_t *)in->buf);
 }
 
 uint8_t asn1str_to_u8(const OCTET_STRING_t *in)
 {
-	OSMO_ASSERT(in && in->size == sizeof(uint8_t));
+	ASN1C_ASSERT(in && in->size == sizeof(uint8_t));
 	return *(uint8_t *)in->buf;
 }
 
 uint32_t asn1bitstr_to_u32(const BIT_STRING_t *in)
 {
-	OSMO_ASSERT(in && in->size == sizeof(uint32_t));
+	ASN1C_ASSERT(in && in->size == sizeof(uint32_t));
 
 	return ntohl(*(uint32_t *)in->buf);
 }
 
 uint32_t asn1bitstr_to_u28(const BIT_STRING_t *in)
 {
-	OSMO_ASSERT(in && in->size == sizeof(uint32_t) && in->bits_unused == 4);
+	ASN1C_ASSERT(in && in->size == sizeof(uint32_t) && in->bits_unused == 4);
 
 	return ntohl(*(uint32_t *)in->buf) >> 4;
 }
 
 uint32_t asn1bitstr_to_u24(const BIT_STRING_t *in)
 {
-	OSMO_ASSERT(in && in->size == 3);
+	ASN1C_ASSERT(in && in->size == 3);
 
 	return ntohl(*(uint32_t *)in->buf) >> 8;
 }