first commit

Author: Administrator

.gitignore

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+/.DS_Store
+/.vscode
+/search_world_0_1
+/search_world_0_1.dSYM

inc/Makefile

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+all:
+	clang main.c inc.c -o main

inc/inc.c

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+#include "inc.h"
+
+int inc(void){
+    return 0;
+}

inc/inc.h

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+int inc(void);

inc/main

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+#include "main.h"
+#include "inc.h"
+
+int main(){
+    printf("%d\n", inc());
+    assert(1!=0 && "1=0");
+    return 0;
+}

inc/main.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+
+

inc/main.h

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+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#define ERROR -1
+#define BUFFER_SIZE 100*10
+#define NO_KEYWORD_FOUND -1
+#define KEYWORD_ONE_FOUND_FIRST 1
+#define KEYWORD_TWO_FOUND_FIRST 2
+
+
+int parseFile(char* file_name)
+{
+    int return_value = ERROR;
+    FILE* file_pointer =0;
+    char* buffer =0;
+
+    if(file_name != NULL)
+    {
+        if(file_pointer = fopen(file_name,"r"))
+        {
+            if(buffer=malloc(BUFFER_SIZE))
+            {
+                return_value = NO_KEYWORD_FOUND;
+                while (fgets(buffer, BUFFER_SIZE, file_pointer)!=NULL)
+                {
+                    if(strcmp("KEYWORD_ONE\n", buffer)==0)
+                    {
+                        return_value = KEYWORD_ONE_FOUND_FIRST;
+                        break;
+                    }
+                    if(strcmp("KEYWORD_TWO\n", buffer)==0)
+                    {
+                        return_value = KEYWORD_TWO_FOUND_FIRST;
+                        break;
+                    }
+                }
+                free(buffer);
+            }
+            fclose(file_pointer);
+        }
+    }
+    return return_value;
+}

search_word.c

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+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <assert.h>
+
+#define ERROR -100
+#define BUFFER_SIZE 100*10
+#define NO_KEYWORD_FOUND -1
+#define KEYWORD_ONE_FOUND_FIRST 1
+#define KEYWORD_TWO_FOUND_FIRST 2
+
+typedef struct fileparser
+{
+    FILE * file_pointer;
+    char* buffer;
+}FileParser;
+
+FileParser* createParser(char* file_name);
+int searchFileForKeywords(FileParser* parser);
+void cleanupParser(FileParser* parser);
+
+int parseFile(char* file_name)
+{
+    int return_value;
+    FileParser * parser = createParser(file_name);
+    return_value = searchFileForKeywords(parser);
+    cleanupParser(parser);
+    return return_value;
+}
+
+int searchFileForKeywords(FileParser* parser)
+{
+    if(parser == NULL)
+    {
+        return ERROR;
+    }
+    while(fgets(parser->buffer, BUFFER_SIZE, parser->file_pointer)!=NULL)
+    {
+        if(strcmp("KEYWORD_ONE\n", parser->buffer)==0)
+        {
+            return KEYWORD_ONE_FOUND_FIRST;
+        }
+        if(strcmp("KEYWORD_TWO\n", parser->buffer)==0)
+        {
+            return KEYWORD_TWO_FOUND_FIRST;
+        }
+    }
+    return NO_KEYWORD_FOUND;
+}
+
+FileParser* createParser(char* file_name)
+{
+    assert(file_name!=NULL && "Недопустимое имя файла");
+    FileParser* parser = malloc(sizeof(FileParser));
+    if(parser)
+    {
+        parser->file_pointer=fopen(file_name, "r");
+        parser->buffer = malloc(BUFFER_SIZE);
+        if(!parser->file_pointer || !parser->buffer)
+        {
+            cleanupParser(parser);
+            return NULL;
+        }
+    }
+    return parser;
+}
+
+void cleanupParser(FileParser* parser)
+{
+    if(parser)
+    {
+        if(parser->buffer)
+        {
+            free(parser->buffer);
+        }
+        if(parser->file_pointer)
+        {
+            fclose(parser->file_pointer);
+        }
+        free(parser);
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    if(argv[1]!=NULL) printf("%d\n", parseFile(argv[1]));
+    else printf("Нужно имя файла\n");
+
+    return 0;
+}

search_world_0_1.c

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+qwerty
+KEYWORD_ON
+KEYWORD_TWO