util.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include "co/err.h"
#include "co/util.h"

#include "inc/def.h"

#define  SIZE (MAX_STRING_SIZE)

int
util_mkdir(const char *path)
{
    char command[SIZE];

    snprintf(command, SIZE, "mkdir -p -- '%s'", path);
    if (system(command) != 0)
        ERR(CO_SYS, "comamnd <%s> failed", command);
    return CO_OK;
}

int
util_eq(const char *a, const char *b)
{
    return strncmp(a, b, SIZE) == 0;
}

char *
util_fgets(char *s, FILE * stream)
{
    char *c;

    if (fgets(s, SIZE, stream) == NULL)
        return NULL;
    if ((c = strchr(s, '\n')) != NULL)
        *c = '\0';
    return s;
}

char *
util_strcpy(char *a, const char *b)
{
    return strncpy(a, b, SIZE - 1);
}

enum { NO, YES };
static int
commentp(const char *s)
{
    while (*s != '\0') {
        if (*s == '#')
            return YES;
        if (!isblank(*s))
            return NO;
        s++;
    }
    return YES;
}

char *
util_comment_fgets(char *s, FILE * stream)
{
    do
        if (util_fgets(s, stream) == NULL)
            return NULL;
    while (commentp(s) == YES);
    return s;
}