itoa

%expand% itoa %set(body,%html-clean({

With the same sort of mild insanity that afflicts many standards making bodies, itoa has been removed from gcc.

char* itoa(int val, char *buf, int base) {
        int m = sizeof(int)*(base >=10 ? 4 : 8)-1;
        int i = m;
        int j = 0;

        if (base > 100 || base < 2)
                return NULL;

        if (val < 0) {
                val = -val;
                buf[0]='-';
                j = 1;
        } else if (!val) {
                buf[0]='0';
                buf[1]='\0';
                return buf;
        }

        for(; val && i ; --i, val /= base)
                buf[i] = '0' + (val % base);

        for (;i < m; ++i, ++j) {
                buf[j]=buf[i+1];
        }

        buf[j]='\0';
        return buf;
}

}))


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Lo! In the east against the blazing shadow of a rising sun, there come four men striding in unison, each step a journey, against the terrible winds.

Wednesday, January 20, 2010

itoa
Posted 10:24 AM

With the same sort of mild insanity that afflicts many standards making bodies, itoa has been removed from gcc.

char* itoa(int val, char *buf, int base) {
        int m = sizeof(int)*(base >=10 ? 4 : 8)-1;
        int i = m;
        int j = 0;

        if (base > 100 || base < 2)
                return NULL;

        if (val < 0) {
                val = -val;
                buf[0]='-';
                j = 1;
        } else if (!val) {
                buf[0]='0';
                buf[1]='\0';
                return buf;
        }

        for(; val && i ; --i, val /= base)
                buf[i] = '0' + (val % base);

        for (;i < m; ++i, ++j) {
                buf[j]=buf[i+1];
        }

        buf[j]='\0';
        return buf;
}

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