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nerettnerett
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added strchr, strlen, strcpy, strncpy and strcat implementations
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‎.gitignore‎

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/bin
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/obj
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standart_string_functions.cbp
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standart_string_functions.layout

‎main.cpp‎

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#include "string-utils.h"
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int main()
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{
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char tested_string1[50];
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char tested_string2[50];
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//char* ptr = NULL;
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scanf( "%s", tested_string1 );
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//ptr = string_utils_strchr(tested_string, 'x' );
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string_utils_strcpy( tested_string2, tested_string1 );
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printf( "next step\n" );
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printf( "\n\n" );
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//assert( ptr != NULL );
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printf( "%s", tested_string2 );
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return 0;
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}

‎standart_string_functions.depend‎

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# depslib dependency file v1.0
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1630237710 source:/home/shob/Dev/ILAB 2020-2021/standart_string_functions/string-utils.cpp
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"string-utils.h"
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1630237704 /home/shob/Dev/ILAB 2020-2021/standart_string_functions/string-utils.h
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<stdlib.h>
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<stdio.h>
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<assert.h>
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<math.h>
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1630233845 source:/home/shob/Dev/ILAB 2020-2021/standart_string_functions/main.cpp
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"string-utils.h"
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‎string-utils.cpp‎

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#include "string-utils.h"
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char* string_utils_strchr( char* input_string, int symbol )
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{
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assert( input_string != NULL );
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assert( std::isfinite( symbol ) );
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char* desired_symbol_ptr = NULL;
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int i = 0;
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while( input_string[i] != '\0' )
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{
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if( input_string[i] == symbol )
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{
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desired_symbol_ptr = &input_string[i];
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assert( desired_symbol_ptr != NULL );
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return desired_symbol_ptr;
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}
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i++;
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}
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return NULL;
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}
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int string_utils_strlen( char* input_string )
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{
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assert( input_string != NULL );
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int length = 0;
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while( input_string[length] != '\0' )
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{
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length++;
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}
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assert( std::isfinite( length ) );
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return length;
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}
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char* string_utils_strcpy( char* destptr, char* srcptr )
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{
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assert( destptr != NULL );
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assert( srcptr != NULL );
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plain_copy( destptr, srcptr, 0, string_utils_strlen( srcptr ) + 1 );
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return destptr;
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}
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char* string_utils_strncpy( char* destptr, char * srcptr, int num )
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{
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assert( destptr != NULL );
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assert( srcptr != NULL );
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assert( std::isfinite( num ) );
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int max_length = 0, string_length = string_utils_strlen( destptr );
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if( num > string_length )
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{
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max_length = string_length;
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}
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else
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{
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max_length = num;
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}
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int i = plain_copy( destptr, srcptr, 0, max_length );
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destptr[i+1] = '\0';
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return destptr;
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}
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char* strcat( char* destptr, char* srcptr )
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{
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assert( destptr != NULL );
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assert( srcptr != NULL );
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plain_copy( destptr, srcptr, string_utils_strlen( destptr ), string_utils_strlen( srcptr ) );
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return destptr;
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}
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static int plain_copy( char* destptr, char* srcptr, int startfrom, int endwhen )
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{
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assert( destptr != NULL );
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assert( srcptr != NULL );
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assert( std::isfinite( startfrom ) );
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for( startfrom; startfrom < endwhen; startfrom++ )
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{
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destptr[startfrom] = srcptr[startfrom];
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}
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return startfrom;
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}
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char* string_utils_fgets( char* input_string, int num, FILE* filestream )
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{
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}
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‎string-utils.h‎

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#ifndef STRING-UTILS_H_INCLUDED
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#define STRING-UTILS_H_INCLUDED
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#include <stdlib.h>
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#include <stdio.h>
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#include <assert.h>
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#include <math.h>
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char* string_utils_strchr( char* input_string, int symbol );
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int string_utils_strlen( char* input_string );
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char* string_utils_strcpy( char * destptr, char * srcptr );
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char* string_utils_strncpy( char* destptr, char * srcptr, int num );
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char* string_utils_strcat( char * destptr, char * srcptr );
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char* string_utils_fgets( char* input_string, int num, FILE* filestream );
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/*
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string_utils_strdup
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string_utils_getline
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*/
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static int plain_copy( char* destptr, char* srcptr, int startfrom, int endwhen );
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#endif // STRING-UTILS_H_INCLUDED

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