Main: examples/: Enable assertions in all examples

examples/Makefile.am

@@ -18,7 +18,7 @@ assert_SOURCES = assert.c
 if WITH_CMDLINE
 TESTS += cmdline
 cmdline_LDADD = $(top_builddir)/libkernaux.la
-cmdline_SOURCES = cmdline.c
+cmdline_SOURCES = main.c cmdline.c
 endif
 
 ###########
@@ -29,7 +29,7 @@ if WITH_PRINTF
 if WITH_IO
 TESTS += fprintf
 fprintf_LDADD = $(top_builddir)/libkernaux.la
-fprintf_SOURCES = fprintf.c
+fprintf_SOURCES = main.c fprintf.c
 endif
 endif
 
@@ -41,7 +41,7 @@ if WITH_PRINTF
 if WITH_IO
 TESTS += fprintf_va
 fprintf_va_LDADD = $(top_builddir)/libkernaux.la
-fprintf_va_SOURCES = fprintf_va.c
+fprintf_va_SOURCES = main.c fprintf_va.c
 endif
 endif
 
@@ -52,7 +52,7 @@ endif
 if WITH_IO
 TESTS += io_memstore
 io_memstore_LDADD = $(top_builddir)/libkernaux.la
-io_memstore_SOURCES = io_memstore.c
+io_memstore_SOURCES = main.c io_memstore.c
 endif
 
 ##########
@@ -62,7 +62,7 @@ endif
 if WITH_MEMMAP
 TESTS += memmap
 memmap_LDADD = $(top_builddir)/libkernaux.la
-memmap_SOURCES = memmap.c
+memmap_SOURCES = main.c memmap.c
 endif
 
 ########
@@ -72,7 +72,7 @@ endif
 if WITH_NTOA
 TESTS += ntoa
 ntoa_LDADD = $(top_builddir)/libkernaux.la
-ntoa_SOURCES = ntoa.c
+ntoa_SOURCES = main.c ntoa.c
 endif
 
 #########
@@ -90,7 +90,7 @@ panic_SOURCES = panic.c
 if WITH_PFA
 TESTS += pfa
 pfa_LDADD = $(top_builddir)/libkernaux.la
-pfa_SOURCES = pfa.c
+pfa_SOURCES = main.c pfa.c
 endif
 
 ##############
@@ -100,7 +100,7 @@ endif
 if WITH_PRINTF_FMT
 TESTS += printf_fmt
 printf_fmt_LDADD = $(top_builddir)/libkernaux.la
-printf_fmt_SOURCES = printf_fmt.c
+printf_fmt_SOURCES = main.c printf_fmt.c
 endif
 
 ############
@@ -110,7 +110,7 @@ endif
 if WITH_PRINTF
 TESTS += snprintf
 snprintf_LDADD = $(top_builddir)/libkernaux.la
-snprintf_SOURCES = snprintf.c
+snprintf_SOURCES = main.c snprintf.c
 endif
 
 ###############
@@ -120,7 +120,7 @@ endif
 if WITH_PRINTF
 TESTS += snprintf_va
 snprintf_va_LDADD = $(top_builddir)/libkernaux.la
-snprintf_va_SOURCES = snprintf_va.c
+snprintf_va_SOURCES = main.c snprintf_va.c
 endif
 
 ###############
@@ -130,5 +130,5 @@ endif
 if WITH_UNITS
 TESTS += units_human
 units_human_LDADD = $(top_builddir)/libkernaux.la
-units_human_SOURCES = units_human.c
+units_human_SOURCES = main.c units_human.c
 endif

examples/cmdline.c

@@ -8,7 +8,7 @@
 
 static const char *const cmdline = "foo bar\\ baz \"car cdr\"";
 
-int main()
+void example_main()
 {
     char error_msg[KERNAUX_CMDLINE_ERROR_MSG_SIZE_MAX];
     size_t argc;
@@ -30,6 +30,4 @@ int main()
     assert(strcmp(argv[0], "foo") == 0);
     assert(strcmp(argv[1], "bar baz") == 0);
     assert(strcmp(argv[2], "car cdr") == 0);
-
-    return 0;
 }

examples/fprintf.c

@@ -20,7 +20,7 @@ static void my_putchar(const char chr, void *arg)
     buffer[buffer_index++] = chr;
 }
 
-int main()
+void example_main()
 {
     struct KernAux_File file = KernAux_File_create(my_putchar);
     const int result = kernaux_fprintf(
@@ -32,5 +32,4 @@ int main()
     );
     assert((size_t)result == strlen(buffer));
     assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
-    return 0;
 }

examples/fprintf_va.c

@@ -30,10 +30,9 @@ static int my_printf(const char *const format, ...)
     return result;
 }
 
-int main()
+void example_main()
 {
     const int result = my_printf("Hello, %s! Session ID: %u.", "Alex", 123);
     assert((size_t)result == strlen(buffer));
     assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
-    return 0;
 }

examples/io_memstore.c

@@ -1,26 +1,14 @@
-#include <kernaux/assert.h>
 #include <kernaux/io.h>
 
 #include <assert.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 
 #define BUFFER_SIZE 4096
 
 static char buffer[BUFFER_SIZE];
 
-static void assert_cb(const char *file, const int line, const char *msg)
+void example_main()
 {
-    fprintf(stderr, "%s:%i:%s\n", file, line, msg);
-    abort();
-}
-
-int main()
-{
-    kernaux_assert_cb = assert_cb;
-
     struct KernAux_MemStore mem_store =
         KernAux_MemStore_create(buffer, BUFFER_SIZE);
 
@@ -33,6 +21,4 @@ int main()
     assert(KernAux_Store_put_char(&mem_store.store, '\0') == '\0');
 
     assert(strncmp(buffer, "Hello!", BUFFER_SIZE) == 0);
-
-    return 0;
 }

examples/main.c

@@ -0,0 +1,19 @@
+#include <kernaux/assert.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+void example_main();
+
+static void assert_cb(const char *file, const int line, const char *msg)
+{
+    fprintf(stderr, "%s:%i:%s\n", file, line, msg);
+    abort();
+}
+
+int main()
+{
+    kernaux_assert_cb = assert_cb;
+    example_main();
+    exit(EXIT_SUCCESS);
+}

examples/memmap.c

@@ -9,7 +9,7 @@
 #define SIZE_512MiB ( 512 * 1024 * 1024)
 #define SIZE_1GiB   (1024 * 1024 * 1024)
 
-int main()
+void example_main()
 {
     KernAux_MemMap memmap = { KernAux_MemMap_create(SIZE_1GiB) };
 
@@ -42,6 +42,4 @@ int main()
     assert(       KernAux_MemMap_entry_by_addr(memmap, SIZE_1GiB - 3            )->size  == SIZE_512MiB);
     assert(       KernAux_MemMap_entry_by_addr(memmap, SIZE_1GiB - 2            )->end   == SIZE_1GiB - 1);
     assert(       KernAux_MemMap_entry_by_addr(memmap, SIZE_1GiB - 1            )->limit == SIZE_1GiB);
-
-    return 0;
 }

examples/ntoa.c

@@ -9,7 +9,7 @@ static const char *str_end(const char *str)
     for (;; ++str) if (*str == '\0') return str;
 }
 
-int main()
+void example_main()
 {
     // kernaux_utoa
     {
@@ -278,6 +278,4 @@ int main()
         assert(strcmp(buffer, "-0x123") == 0);
         assert(end == str_end(buffer));
     }
-
-    return 0;
 }

examples/pfa.c

@@ -6,7 +6,7 @@
 // management in kernel without PFA.
 struct KernAux_PFA pfa;
 
-int main()
+void example_main()
 {
     // In the earliest stage of kernel initialization mark all pages as
     // unavailable because you don't have memory map yet.
@@ -68,6 +68,4 @@ int main()
         KernAux_PFA_free_pages(&pfa, page_addr, 123);
         assert(KernAux_PFA_is_available(&pfa, page_addr));
     }
-
-    return 0;
 }

examples/printf_fmt.c

@@ -2,7 +2,7 @@
 
 #include <assert.h>
 
-int main()
+void example_main()
 {
     {
         const char *format = "s";
@@ -89,6 +89,4 @@ int main()
         assert(spec.type == KERNAUX_PRINTF_FMT_TYPE_INT);
         assert(spec.base == 10);
     }
-
-    return 0;
 }

examples/snprintf.c

@@ -7,7 +7,7 @@
 
 static char buffer[BUFFER_SIZE];
 
-int main()
+void example_main()
 {
     const int result = kernaux_snprintf(
         buffer,
@@ -18,5 +18,4 @@ int main()
     );
     assert((size_t)result == strlen(buffer));
     assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
-    return 0;
 }

examples/snprintf_va.c

@@ -16,10 +16,9 @@ static int my_snprintf(const char *const format, ...)
     return result;
 }
 
-int main()
+void example_main()
 {
     const int result = my_snprintf("Hello, %s! Session ID: %u.", "Alex", 123);
     assert((size_t)result == strlen(buffer));
     assert(strcmp(buffer, "Hello, Alex! Session ID: 123.") == 0);
-    return 0;
 }

examples/units_human.c

@@ -3,7 +3,7 @@
 #include <assert.h>
 #include <string.h>
 
-int main()
+void example_main()
 {
     char buffer[256];
 
@@ -42,6 +42,4 @@ int main()
     assert(strcmp(buffer, "123 GB") == 0);
     kernaux_units_human_bin(123, KERNAUX_UNIT_BYTE, KERNAUX_UNITPFX_GIBI, buffer, sizeof(buffer));
     assert(strcmp(buffer, "123 GiB") == 0);
-
-    return 0;
 }