/**

 * lsflib/src/get_line.c

 * Copyright (C) 2008 Markus Broeker

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#ifndef LINE_LENGTH

#define LINE_LENGTH 100

#endif

char *get_line (const char *filename, const char *cmd, size_t size)

{

    int i, j;

    char *line, *ptr;

    FILE *f = fopen (filename, "r");

    if (!f) {

        perror ("FOPEN:");

        return NULL;

    }

    line = malloc (LINE_LENGTH + 1);

    ptr = malloc ((LINE_LENGTH + 1) * size);

    i = 0;

    while (fgets (line, LINE_LENGTH, f) != NULL) {

        if (strstr (line, cmd)) {

            do {

                if ((strlen (ptr) + strlen (line)) < LINE_LENGTH * size) {

                    strcat (ptr, line);

                    fgets (line, LINE_LENGTH, f);

                    i++;

                } else {

                    printf ("OVERFLOW: [%d]: %s\n", i * LINE_LENGTH, line);

                    exit (0);

                }

            } while (strchr (line, '"') == NULL);

            if (i > 1)

                strcat (ptr, line);

        }

        for (i = 0; i < strlen (ptr); i++)

            switch (ptr[i]) {

            case '\n':

            case '\\':

            case '"':

                for (j = i; j < strlen (ptr) - 1; j++)

                    ptr[j] = ptr[j + 1];

                ptr[j] = 0;

                break;

            }

    }

    fclose (f);

    free (line);

    return ptr;

}