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C-string-reverse
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Fixed reallocate() again + added FREE macro

This commit is contained in:
nocturn9x 2021-05-05 22:23:41 +02:00
parent b8deff6202
commit e6b68924c9
1 changed files with 4 additions and 3 deletions
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7
src/main.c
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@ -10,6 +10,7 @@ the standard input file and print it reversed on the standard output file. */
#define INIT_SIZE 8
#define NEW(kind, size) (kind*)reallocate(0, sizeof(kind) * size, NULL)
#define RESIZE(kind, ptr, o, n) (kind*)reallocate(sizeof(kind) * o, sizeof(kind) * n, ptr)
#define FREE(kind, size, ptr) reallocate(sizeof(kind) * size, 0, ptr)
// Since uint_t does not work on Windows, we have to hack support for it somehow
#if defined(_WIN16) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__WINDOWS__) || defined(__TOS_WIN__)
@ -26,7 +27,7 @@ void* reallocate(uint_t oldsize, uint_t newsize, void* ptr) {
if (oldsize == 0 && ptr == NULL) { // Allocate from 0 to newsize
return malloc(newsize);
}
else if (oldsize > 0 && ptr != NULL) { // Free object (shrink to 0)
else if (newsize == 0 && ptr != NULL) { // Free object (shrink to 0)
free(ptr);
return NULL;
}
@ -107,6 +108,6 @@ int main(int argc, char* argv[]) {
}
printf("The reverse of '%s' is '%s'\n", buffer, reversed);
printf("Length of strings is %lu bytes\n", strlen(buffer));
free(buffer);
free(reversed);
FREE(char, strlen(buffer), buffer);
FREE(char, strlen(reversed), reversed);
}