utils.c File Reference

#include "serene/utils.h"
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "serene/rt/context.h"
#include "serene/rt/mm/interface.h"
#include <string.h>

Include dependency graph for utils.c:

Go to the source code of this file.

Functions
void	srn_panic (const char *msg, const char *file, size_t line, const char *fn)
	TODO(lxsameer): unwind the stack.
char *	srn_copy_bytes (srn_context_t *ctx, const char *src, size_t len, size_t alignment)
char *	srn_dup_str (srn_mm_t *mm, const char *s)
	Copy a null terminated C string into a fresh allocation made through mm.

Function Documentation

srn_copy_bytes()

char * srn_copy_bytes	(	srn_context_t *	ctx,
		const char *	src,
		size_t	len,
		size_t	alignment )

Definition at line 42 of file utils.c.

                                                                                        {
  PANIC_IF_NULL(ctx);
 
  char *dst = srn_allocate(ctx, len, alignment);
 
  // It will panic earlier anyway.
  if (dst == nullptr) {
    return nullptr;
  }
 
  memcpy(dst, src, len);
  return dst;
}

Here is the call graph for this function:

Here is the caller graph for this function:

srn_dup_str()

char * srn_dup_str	(	srn_mm_t *	mm,
		const char *	s )

Copy a null terminated C string into a fresh allocation made through mm.

Returns nullptr on allocation failure.

Definition at line 56 of file utils.c.

                                               {
  PANIC_IF_NULL(mm);
  PANIC_IF_NULL(s);
  size_t n = strlen(s);
  char *copy = srn_mm_allocate(mm, n + 1);
  if (copy == nullptr) {
    return nullptr;
  }
  memcpy(copy, s, n + 1);
  return copy;
}

Here is the call graph for this function:

srn_panic()

void srn_panic	(	const char *	msg,
		const char *	file,
		size_t	line,
		const char *	fn )

TODO(lxsameer): unwind the stack.

Definition at line 31 of file utils.c.

                                                                               {
  (void)fprintf(stderr, "PANIC: %s %s:%zu (%s)\n", msg, file, line, fn);
  (void)fflush(nullptr);
#if SERENE_DEBUG
  __builtin_debugtrap();
  __builtin_unreachable();
#else
  abort();
#endif
}