slidescript/src/util.c

/*
    SlideScript - minimalistic top-down scripting language.
    (C) Copyright 2014-2021 Chris Dorman - some rights reserved (GPLv2)

    View README file supplied with this software for more details
*/


#include "inc/deps.h"
#include "inc/util.h"

time_t current_time;

void syn_error(char *message)
{
    printf("%s\n", message);
    exit(1);
}

void syn_warn(char *message)
{
    printf("%s\n", message);
}

char *strip_nl (char *string)
{
    int n = strlen (string);

    if ((n-- > 0) && (string [n] == '\n'))
    {
        string [n] = NULLBYTE;
        return string;
    }
    else
    {
        /* no newline found, return the original string */
        return string;
    }
}

// Check if a file exists, return code
int file_exists(char *path) {
    struct stat   buffer;   
    return (stat (path, &buffer) == 0);
}

int is_dir(char *path)
{
    struct stat buffer;

    stat(path, &buffer);

    // Check for file existence
    if (S_ISDIR(buffer.st_mode))
        return 1;

    return 0;
}

// mkpath function for mkdir and mkfile
int mkpath(char* file_path, mode_t mode)
{
    assert(file_path && *file_path);
    for (char* p = strchr(file_path + 1, '/'); p; p = strchr(p + 1, '/')) 
    {
        *p = '\0';
        if (mkdir(file_path, mode) == -1) 
        {
            if (errno != EEXIST) 
            {
                *p = '/';
                return -1;
            }
        }
        *p = '/';
    }
    return 0;
}

char *ss_concat(char *str1, char *str2)
{
    char *dymem = (char *) malloc((strlen(str1)+strlen(str2)) + 3);
    sprintf(dymem, "%s, %s", str1, str2);
    return dymem;
}

void parse_args(int argc, char** argv)
{
	/* -h flag given, show help */
	if(argc == 2 && strncmp("-h", argv[1], 2) == 0) 
	{
		printf("SlideScript - simple top-down scripting language for the average user\n"
		"Arguments:\n\n"
		"-v\t Display version number\n"
		"-h\t Display this help page\n"
		"Usage: %s <filename>\n", argv[0]);
		exit(EXIT_SUCCESS);
	} 
	/* -v flag given, show version */
	else if(argc == 2 && strncmp("-v", argv[1], 2) == 0) 
	{
		printf("SlideScript %s, Chris Dorman (cddo@riseup.net), 2021\n", VERSION);
		exit(EXIT_SUCCESS);
	}
	
}

char *ss_time()
{
    time(&current_time);

    return ctime(&current_time);
}