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-rw-r--r--utils.h58
1 files changed, 39 insertions, 19 deletions
diff --git a/utils.h b/utils.h
index ca435e6..331988f 100644
--- a/utils.h
+++ b/utils.h
@@ -1,23 +1,43 @@
-/// Dynamic memory-chunk, with (1) datatype size, (2/3) initialized / allocated chunk, (4) content
-typedef struct { uint8_t const elSize; uint32_t init, alloc; char* content; } DynamicArray;
-#define UTF8_ARRAY {4, 0, 0, NULL}
+/// Dynamic memory-chunk, with (1) datatype size, (2/3) initialized / allocated
+/// chunk, (4) content
+typedef struct {
+ uint8_t const elSize;
+ uint32_t init, alloc;
+ char *content;
+} DynamicArray;
+#define UTF8_ARRAY \
+ { 4, 0, 0, NULL }
static inline int p_alloc(DynamicArray *s, uint32_t amount) {
- uint32_t const diff=s->init+s->elSize*amount-s->alloc, nas=s->alloc+max(diff,15)*s->elSize;
- if (s->alloc < s->init + s->elSize * amount) {
- char* tmp = realloc(s->content, nas);
- if (!tmp) return 0;
- s->alloc = nas, s->content = tmp;
- }
- return 1;
+ uint32_t const diff = s->init + s->elSize * amount - s->alloc,
+ nas = s->alloc + max(diff, 15) * s->elSize;
+ if (s->alloc < s->init + s->elSize * amount) {
+ char *tmp = realloc(s->content, nas);
+ if (!tmp)
+ return 0;
+ s->alloc = nas, s->content = tmp;
+ }
+ return 1;
}
-static inline char *view(DynamicArray * s, uint32_t i) { return s->content + i*s->elSize; }
-static inline char *end(DynamicArray *s, uint32_t i) { return s->content +s->init-(i+1)*s->elSize; }
-static inline uint32_t getU32(DynamicArray* s, uint32_t i, int b) { return *((uint32_t*) (b ?view(s,i) :end(s,i))); }
-static char *expand(DynamicArray *s) { if (!p_alloc(s, 1)) return NULL; s->init += s->elSize; return end(s, 0); }
-static inline void pop(DynamicArray* s) { s->init -= s->elSize; }
-static inline void empty(DynamicArray* s) { s->init = 0; }
-static inline int size(DynamicArray const * s) { return s->init / s->elSize; }
-static inline void assign(DynamicArray* s, DynamicArray const *o) {
- if (p_alloc(s, size(o))) memcpy(s->content, o->content, (s->init=o->init));
+static inline char *view(DynamicArray *s, uint32_t i) {
+ return s->content + i * s->elSize;
+}
+static inline char *end(DynamicArray *s, uint32_t i) {
+ return s->content + s->init - (i + 1) * s->elSize;
+}
+static inline uint32_t getU32(DynamicArray *s, uint32_t i, int b) {
+ return *((uint32_t *)(b ? view(s, i) : end(s, i)));
+}
+static char *expand(DynamicArray *s) {
+ if (!p_alloc(s, 1))
+ return NULL;
+ s->init += s->elSize;
+ return end(s, 0);
+}
+static inline void pop(DynamicArray *s) { s->init -= s->elSize; }
+static inline void empty(DynamicArray *s) { s->init = 0; }
+static inline int size(DynamicArray const *s) { return s->init / s->elSize; }
+static inline void assign(DynamicArray *s, DynamicArray const *o) {
+ if (p_alloc(s, size(o)))
+ memcpy(s->content, o->content, (s->init = o->init));
}