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newlib: add definitions of system, raise

Browse Source 
Closes IDF-1220
Closes IDFGH-1811
Closes https://github.com/espressif/esp-idf/pull/4020
This commit is contained in:
Ivan Grokhotkov 2019-12-01 19:20:52 +01:00 committed by bot
parent 3ba9eae86c
commit 6f0f5d79f9
2 changed files with 16 additions and 0 deletions
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11
components/newlib/syscalls.c
View File

@ -21,12 +21,23 @@
#include <sys/reent.h>
int system(const char* str)
{
errno = ENOSYS;
return -1;
}
int _system_r(struct _reent *r, const char *str)
{
__errno_r(r) = ENOSYS;
return -1;
}
int raise(int sig)
{
abort();
}
int _raise_r(struct _reent *r, int sig)
{
abort();

5
components/newlib/test/test_newlib.c
View File

@ -182,3 +182,8 @@ TEST_CASE("fmod and fmodf work as expected", "[newlib]")
TEST_ASSERT_EQUAL(0.1, fmod(10.1, 2.0));
TEST_ASSERT_EQUAL(0.1f, fmodf(10.1f, 2.0f));
}
TEST_CASE("newlib: can link 'system', 'raise'", "[newlib]")
{
printf("system: %p, raise: %p\n", &system, &raise);
}