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da.h
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Added ehan error handling

This commit is contained in:
Maciej Samborski 2024-09-23 20:40:58 +02:00
parent 1c135b3d09
commit b1844eb9dc
3 changed files with 144 additions and 20 deletions
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71
da.h
View File

@ -6,6 +6,9 @@
#include <stdlib.h>
#include <string.h>
#define EHAN_IMPLEMENTATION
#include "ehan.h"
enum daFields {
SIZE = 0,
CAPACITY = 1,
@ -14,8 +17,10 @@ enum daFields {
};
typedef void * dynarr;
dynarr _daCreate(size_t initCapacity, size_t type, size_t size);
dynarr _daPush(dynarr da, void * item);
GenericReturn _daCreate(size_t initCapacity, size_t type, size_t size);
GenericReturn _daPush(dynarr * da, void * item);
GenericReturn daCopy(dynarr da);
GenericReturn daResize(dynarr da);
void _daPop(dynarr da, void * element);
void daPopDiscard(dynarr da);
void daFree(dynarr da);
@ -36,21 +41,24 @@ void daBzero(dynarr da);
#define dynarr(type) type *
#define daCreate(type, cap) _daCreate(cap, sizeof(type), 0)
#define daPush(da, item) da = _daPush(da, &item)
#define daPush(da, item) _daPush((void *)&da, &item)
#define daPop(da, item) _daPop(da, &item)
#endif // DA_H_
#ifdef DA_IMPLEMENTATION
dynarr _daCreate(size_t cap, size_t type, size_t size)
GenericReturn _daCreate(size_t cap, size_t type, size_t size)
{
size_t * da = (size_t *) malloc(type * cap + DATA * sizeof(size_t));
if (da == NULL)
ehanError("Failed to allocate resources for a dynamic array!");
da[SIZE] = size;
da[CAPACITY] = cap;
da[TYPE] = type;
return (dynarr) (da + DATA);
return ehanValue((dynarr) (da + DATA));
}
void daFree(dynarr da)
@ -58,27 +66,54 @@ void daFree(dynarr da)
free((size_t *) da - DATA);
}
dynarr daCopy(dynarr da)
GenericReturn daCopy(dynarr da)
{
dynarr temp = _daCreate(daCap(da), daType(da), daSize(da));
memcpy(temp, da, daSize(da) * daType(da));
return temp;
if (da == NULL)
ehanError("Expected: 'dynarr' got 'NULL'");
GenericReturn temp = _daCreate(daCap(da), daType(da), daSize(da));
if (ehanCheck(temp))
return ehanError(resultError(temp));
dynarr newArr = resultGeneric(dynarr, temp);
memcpy(newArr, da, daSize(da) * daType(da));
return ehanValue(newArr);
}
dynarr daResize(dynarr da)
GenericReturn daResize(dynarr da)
{
dynarr temp = _daCreate(daCap(da) * 2, daType(da), daSize(da));
memcpy(temp, da, daSize(da) * daType(da));
if (da == NULL)
ehanError("Expected: 'dynarr' got 'NULL'");
GenericReturn temp = _daCreate(daCap(da) * 2, daType(da), daSize(da));
if (ehanCheck(temp))
return ehanError(resultError(temp));
dynarr newArr = resultGeneric(dynarr, temp);
memcpy(newArr, da, daSize(da) * daType(da));
daFree(da);
return temp;
return ehanValue(newArr);
}
dynarr _daPush(dynarr da, void * item)
GenericReturn _daPush(dynarr * da, void * item)
{
if (daSize(da) >= daCap(da)) da = daResize(da);
memcpy((char *)da + daSize(da) * daType(da), item, daType(da));
*daField(da, SIZE) += 1;
return da;
if (daSize(*da) >= daCap(*da))
{
GenericReturn temp = daResize(*da);
if (ehanCheck(temp))
return ehanError(resultError(temp));
*da = resultGeneric(dynarr, temp);
}
memcpy((char *)(*da) + daSize(*da) * daType(*da), item, daType(*da));
*daField(*da, SIZE) += 1;
return ehanValue(*da);
}
void _daPop(dynarr da, void * elem)

84
ehan.h Normal file
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@ -0,0 +1,84 @@
#ifndef EHAN_H_
#define EHAN_H_
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
typedef struct GenericReturn {
long double fp;
void * val;
const char * err;
} GenericReturn;
GenericReturn ehanError(const char * error);
GenericReturn _ehanValue(void * value);
GenericReturn _ehanValueFP(long double value);
#define ehanValue(v) _ehanValue((void *) v)
#define ehanValueFP(fp) _ehanValueFP((long double) fp)
#define resultGeneric(type, ret) (*(type *) &(ret.val))
#define resultFP(type, ret) ((type) (ret.fp))
#define resultError(ret) (ret.err)
#define ehanCheck(ret) strlen(ret.err)
#define ILog(format, ...) \
do { \
fprintf(stderr, "\x1b[34m""info""\x1b[0m"":%s:%d: " format, __FILE__, __LINE__, ##__VA_ARGS__); \
} while (0)
#define WLog(format, ...) \
do { \
fprintf(stderr, "\x1b[33m""warn""\x1b[0m"":%s:%d: " format, __FILE__, __LINE__, ##__VA_ARGS__); \
} while (0)
#define ELog(format, ...) \
do { \
fprintf(stderr, "\x1b[31m""error""\x1b[0m"":%s:%d: " format, __FILE__, __LINE__, ##__VA_ARGS__); \
} while (0)
#ifdef NDEBUG
#define DLog(format, ...)
#else
#define DLog(format, ...) \
do { \
fprintf(stderr, "\x1b[32m""debug""\x1b[0m"":%s:%d: " format, __FILE__, __LINE__, ##__VA_ARGS__); \
} while (0)
#endif
#ifdef EHAN_IMPLEMENTATION
GenericReturn _ehanValue(void * value)
{
return (GenericReturn) {
.val = value,
.err = "",
};
}
GenericReturn _ehanValueFP(long double value)
{
return (GenericReturn) {
.fp = value,
.val = 0,
.err = "",
};
}
GenericReturn ehanError(const char * error)
{
return (GenericReturn) {
.val = 0,
.err = error,
};
}
#endif // EHAN_IMPLEMENTATION
#endif // EHAN_H_

9
example.c
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@ -3,6 +3,9 @@
#define DA_IMPLEMENTATION
#include "da.h"
#define EHAN_IMPLEMENTATION
#include "ehan.h"
void printDaU16(void * item)
{
printf("%hu\n", *((unsigned short *) item));
@ -19,7 +22,7 @@ int main(void)
printf("DA1\n");
printf("----------\n");
dynarr(unsigned short) * da = daCreate(unsigned short, 1);
dynarr(unsigned short) da = daCreate(unsigned short, 1).val;
unsigned short x = 69;
daPush(da, x);
@ -45,7 +48,7 @@ int main(void)
printf("DA2\n");
printf("----------\n");
dynarr(char) da2 = daCreate(char, 1);
dynarr(char) da2 = daCreate(char, 1).val;
char y = 'H';
daPush(da2, y);
@ -61,6 +64,8 @@ int main(void)
daPush(da2, y);
y = '?';
daPush(da2, y);
y = '?';
daPush(da2, y);
*(char *)daGetRef(da2, 6) = '!';