diff options
Diffstat (limited to 'mem/mem.cpp')
| -rw-r--r-- | mem/mem.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/mem/mem.cpp b/mem/mem.cpp new file mode 100644 index 0000000..0442d4e --- /dev/null +++ b/mem/mem.cpp @@ -0,0 +1,80 @@ +#define _CRT_SECURE_NO_WARNINGS + +#include <stdlib.h> +#include <stdio.h> +#pragma warning(disable : 4996) +void *debug_malloc(size_t size, const char* file, int line) { + void *p = malloc(size); + + if (p == NULL) { + return NULL; + } + + char buff[256]; + + sprintf(buff, "%p.mem", p); + + FILE *f = fopen(buff, "w"); + + fprintf(f, "File: %s\nLine: %d\nSize: %zu bytes\n", file, line, size); + fclose(f); + + return p; +} + +void *debug_calloc(size_t count, size_t size, const char* file, int line) { + void *p = calloc(count, size); + + if (p == NULL) { + return NULL; + } + + char buff[256]; + + sprintf(buff, "%p.mem", p); + + FILE *f = fopen(buff, "w"); + + fprintf(f, "File: %s\nLine: %d\nSize: %zu bytes\n", file, line, + count * size); + fclose(f); + + return p; +} + +void *debug_realloc(void *ptr, size_t size, const char* file, int line) { + void *p = realloc(ptr, size); + + if (p == NULL) { + return NULL; + } + + char buff[256]; + //Delete the old pointer record + sprintf(buff, "%p.mem", ptr); + if (unlink(buff) < 0) { + printf("Double free: %p File: %s Line: %d\n", ptr, file, line); + } + + //Create the new pointer record + sprintf(buff, "%p.mem", p); + + FILE *f = fopen(buff, "w"); + + fprintf(f, "File: %s\nLine: %d\nSize: %zu bytes\n", file, line, size); + fclose(f); + + return p; +} + +void debug_free(void *p, const char* file, int line) { + char buff[256]; + + sprintf(buff, "%p.mem", p); + if (unlink(buff) < 0) { + printf("Double free: %p File: %s Line: %d\n", p, file, line); + } + + free(p); +} + |
