138 lines
4.3 KiB
C
138 lines
4.3 KiB
C
#include "debug.h"
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#include <inttypes.h>
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#include <stdlib.h>
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#include "common.h"
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#include "log.h"
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/**
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* allocate memory using malloc() and print a fitting debug message
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*
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* @param size: the number of bytes to allocate
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* @param file: the file in which malloc() was called
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* @param line: the source code line where malloc() was called
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*
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* @return the pointer to the allocated memory, or NULL in case of error
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*
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* @errno see malloc(3)
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*
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* @usage the header `debug.h` defines a macro `malloc(size)` that
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* automatically inserts filename and line.
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*/
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void *
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debug_malloc (size_t size, const char *file, size_t line)
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{
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void *ptr;
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ptr = malloc (size);
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if (ptr == NULL)
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "malloc of size %zu \x1b[31mreturned null\x1b[0m\n", size);
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else
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "malloc of size %zu to ptr %p\n", size, ptr);
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return ptr;
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}
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/**
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* reallocate memory using realloc() and print a fitting debug message
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*
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* @param ptr: the pointer to reallocate
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* @param size: the new number of bytes
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* @param file: the file in which realloc() was called
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* @param line: the source code line where realloc() was called
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*
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* @return the pointer to the reallocated memory, or NULL in case of error
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*
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* @errno see realloc(3)
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*
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* @usage the header `debug.h` defines a macro `realloc(ptr, size)` that
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* automatically inserts filename and line.
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*/
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void *
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debug_realloc (void *ptr, size_t size, const char *file, size_t line)
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{
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void *new_ptr;
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uintptr_t old_ptr;
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old_ptr = (uintptr_t) ptr;
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new_ptr = realloc (ptr, size);
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if (new_ptr == NULL && size != 0)
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "realloc of ptr %#" PRIxPTR " to size %zu \x1b[31mreturned null\x1b[0m\n", old_ptr, size);
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else if (new_ptr == ptr)
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "realloc of ptr %p to size %zu\n", new_ptr, size);
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else
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "realloc of ptr %#" PRIxPTR " to new ptr %p with size %zu\n", old_ptr, new_ptr, size);
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return new_ptr;
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}
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/**
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* free memory using free() and print a fitting debug message
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*
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* @param ptr: the pointer to free
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* @param file: the file in which free() was called
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* @param line: the source code line where free() was called
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*
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* @usage the header `debug.h` defines a macro `free(ptr)` that automatically
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* inserts filename and line.
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*/
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void
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debug_free (void *ptr, const char *file, size_t line)
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{
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "free ptr %p\n", ptr);
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free (ptr);
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}
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/**
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* allocate memory using smalloc() (see header `common.h`) and print a fitting
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* debug message
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*
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* @param size: the number of bytes to allocate
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* @param file: the file in which malloc() was called
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* @param line: the source code line where malloc() was called
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*
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* @return the pointer to the allocated memory, or NULL in case of error
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*
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* @usage the header `debug.h` defines a macro `smalloc(size)` that
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* automatically inserts filename and line.
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*/
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void *
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debug_smalloc (size_t size, const char *file, size_t line)
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{
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void *ptr;
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ptr = smalloc (size);
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "smalloc of size %zu to ptr %p\n", size, ptr);
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return ptr;
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}
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/**
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* reallocate memory using srealloc() (see header `common.h`) and print a
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* fitting debug message
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*
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* @param ptr: the pointer to reallocate
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* @param size: the new number of bytes
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* @param file: the file in which realloc() was called
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* @param line: the source code line where realloc() was called
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*
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* @return the pointer to the reallocated memory, or NULL in case of error
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*
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* @usage the header `debug.h` defines a macro `srealloc(ptr, size)` that
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* automatically inserts filename and line.
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*/
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void *
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debug_srealloc (void *ptr, size_t size, const char *file, size_t line)
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{
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void *new_ptr;
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uintptr_t old_ptr;
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old_ptr = (uintptr_t) ptr;
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new_ptr = srealloc (ptr, size);
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if (new_ptr == ptr)
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "srealloc of ptr %p to size %zu\n", new_ptr, size);
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else
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log_print_fl (LOG_LEVEL_DEBUG, file, line, "srealloc of ptr %#" PRIxPTR " to new ptr %p with size %zu\n", old_ptr, new_ptr, size);
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return new_ptr;
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}
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