io.c File Reference

#include "arc/std/io.h"
#include "arc/std/errno.h"
#include "arc/std/string.h"
#include <stdio.h>
#include <stdlib.h>

Go to the source code of this file.

Functions
void	ARC_IO_ReadFileToUint8t (ARC_String *path, uint8_t **data, uint64_t *length)
	get string and size from file
void	ARC_IO_FileToStr (ARC_String *path, ARC_String **data)
	get string and size from file
void	ARC_IO_WriteStrToFile (ARC_String *path, ARC_String *data)
	write string to file

Function Documentation

ARC_IO_FileToStr()

void ARC_IO_FileToStr	(	ARC_String *	path,
		ARC_String **	data )

get string and size from file

Parameters

path	a string to path of target file
data	pointer to where string will be created this will need to be freed once done using it

Definition at line 43 of file io.c.

                                                          {
    FILE *file = fopen(path->data, "rb");
    if(!file){
        arc_errno = ARC_ERRNO_NULL;
        ARC_DEBUG_LOG_ERROR_WITH_VARIABLES("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), could not open file \"%s\"", path->data);
        return;
    }
 
    fseek(file, 0L, SEEK_END);
    uint64_t length = ftell(file);
    rewind(file);
 
    char *fileData = (char *) calloc(1, length + 1);
    if(fileData == NULL){
        fclose(file);
        arc_errno = ARC_ERRNO_NULL;
        ARC_DEBUG_LOG_ERROR("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), file data is NULL");
        *data = NULL;
        return;
    }
 
    if(1 != fread(fileData, length, 1, file)){
        fclose(file);
        arc_errno = ARC_ERRNO_COPY;
        ARC_DEBUG_LOG_ERROR("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), could not copy file data");
        *data = NULL;
        return;
    }
 
    fclose(file);
    ARC_String_Create(data, fileData, length);
    free(fileData);
}

References ARC_DEBUG_LOG_ERROR, ARC_DEBUG_LOG_ERROR_WITH_VARIABLES, arc_errno, ARC_ERRNO_COPY, ARC_ERRNO_NULL, ARC_String_Create(), and ARC_String::data.

Referenced by ARC_Config_FileIO(), ARC_Lexer_LexFile(), and ARC_Parser_ParseFile().

ARC_IO_ReadFileToUint8t()

void ARC_IO_ReadFileToUint8t	(	ARC_String *	path,
		uint8_t **	data,
		uint64_t *	length )

get string and size from file

Parameters

path	a string to path of target file
data	pointer to where uint8_t array will be created this will need to be freed once done using it
length	length of the data read in

Definition at line 8 of file io.c.

                                                                                {
    FILE *file = fopen(path->data, "rb");
    if(!file){
        arc_errno = ARC_ERRNO_NULL;
        ARC_DEBUG_LOG_ERROR_WITH_VARIABLES("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), could not open file \"%s\"", path->data);
        *length = 0;
        *data = NULL;
        return;
    }
 
    fseek(file, 0L, SEEK_END);
    *length = ftell(file);
    rewind(file);
 
    *data = (uint8_t *) calloc(1, *length + 1);
    if(*data == NULL){
        fclose(file);
        arc_errno = ARC_ERRNO_NULL;
        ARC_DEBUG_LOG_ERROR("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), file data is NULL");
        *length = 0;
        return;
    }
 
    if(1 != fread(*data, *length, 1, file)){
        fclose(file);
        arc_errno = ARC_ERRNO_COPY;
        ARC_DEBUG_LOG_ERROR("ARC_IO_FileToStr(ARC_String *path, ARC_String **data), could not copy file data");
        *length = 0;
        *data = NULL;
        return;
    }
 
    fclose(file);
}

References ARC_DEBUG_LOG_ERROR, ARC_DEBUG_LOG_ERROR_WITH_VARIABLES, arc_errno, ARC_ERRNO_COPY, ARC_ERRNO_NULL, and ARC_String::data.

ARC_IO_WriteStrToFile()

void ARC_IO_WriteStrToFile	(	ARC_String *	path,
		ARC_String *	data )

write string to file

Parameters

path	a string to path of target file
data	data to be written

Definition at line 77 of file io.c.

                                                              {
    FILE *file = fopen(path->data, "wb");
    if(!file){
        arc_errno = ARC_ERRNO_NULL;
        ARC_DEBUG_LOG_ERROR_WITH_VARIABLES("ARC_IO_WriteStrToFile(ARC_String *path, ARC_String *data), could not open file \"%s\"", path->data);
        return;
    }
 
    if(1 != fwrite(data->data, data->length, 1, file)){
        fclose(file);
        arc_errno = ARC_ERRNO_COPY;
        ARC_DEBUG_LOG_ERROR("ARC_IO_WriteStrToFile(ARC_String *path, ARC_String **data), could not write file data");
        return;
    }
 
    fclose(file);
}

References ARC_DEBUG_LOG_ERROR, ARC_DEBUG_LOG_ERROR_WITH_VARIABLES, arc_errno, ARC_ERRNO_COPY, ARC_ERRNO_NULL, ARC_String::data, and ARC_String::length.