sys_getexepath.c

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/* get the executable path */

#include "../fb.h"

char *fb_hGetExePath( char *dst, ssize_t maxlen )
{
        const char *p = strrchr( __fb_ctx.argv[0], '/' );
        if( p ) {
                ssize_t len = p - __fb_ctx.argv[0];
                if( len > maxlen ) {
                        len = maxlen;
                }
                else if( len == 0 ) {
                /* keep the "/" rather than returning "" */
                        len = 1;
                }

                memcpy( dst, __fb_ctx.argv[0], len );
                dst[len] = '\0';
        } else {
                *dst = '\0';
        }
        return dst;
}