diff options
Diffstat (limited to '')
| -rw-r--r-- | test.c | 63 |
1 files changed, 63 insertions, 0 deletions
@@ -1,6 +1,7 @@ /* See LICENSE file for copyright and license details. */ #include "libsimple.h" #include "test.h" +#include <sys/syscall.h> #include <malloc.h> #undef strndup @@ -8,6 +9,13 @@ size_t alloc_fail_in = 0; +int exit_real = 0; +int exit_ok = 0; +int exit_status; +jmp_buf exit_jmp; +char stderr_buf[8 << 10]; +size_t stderr_n = 0; +int stderr_real = 0; static int custom_malloc = 0; @@ -222,3 +230,58 @@ free(void *ptr) return; assert(!munmap(info->real_beginning, info->real_size)); } + + +void +exit(int status) +{ + exit_status = status; + if (exit_real) { +#ifdef SYS_exit_group + syscall(SYS_exit_group, status); +#else + syscall(SYS_exit, status); +#endif + } + assert(exit_ok); + longjmp(exit_jmp, 1); +} + + +int +fprintf(FILE *restrict stream, const char *restrict format, ...) +{ + va_list ap; + va_start(ap, format); + return vfprintf(stream, format, ap); + va_end(ap); +} + + +int +vfprintf(FILE *restrict stream, const char *restrict format, va_list ap) +{ + va_list ap2; + int r; + char *buf; + size_t n; + + va_copy(ap2, ap); + r = vsnprintf(NULL, 0, format, ap2); + va_end(ap2); + + if (r >= 0) { + n = (size_t)r; + buf = alloca(n + 1); + n = vsnprintf(buf, n + 1, format, ap); + if (fileno(stream) != STDERR_FILENO) { + fwrite(buf, 1, n, stream); + } else { + assert(stderr_n + n <= sizeof(stderr_buf)); + memcpy(&stderr_buf[stderr_n], buf, n); + stderr_n += n; + } + } + + return r; +} |