blob: 99d6b0c08fb4a71d400339c57eed661bdac2c00b [file] [log] [blame]
/* user defined headers */
#include <kvm/util.h>
#include <kvm/strbuf.h>
int prefixcmp(const char *str, const char *prefix)
{
for (; ; str++, prefix++) {
if (!*prefix)
return 0;
else if (*str != *prefix)
return (unsigned char)*prefix - (unsigned char)*str;
}
}
/**
* strlcat - Append a length-limited, %NUL-terminated string to another
* @dest: The string to be appended to
* @src: The string to append to it
* @count: The size of the destination buffer.
*/
size_t strlcat(char *dest, const char *src, size_t count)
{
size_t dsize = strlen(dest);
size_t len = strlen(src);
size_t res = dsize + len;
DIE_IF(dsize >= count);
dest += dsize;
count -= dsize;
if (len >= count)
len = count - 1;
memcpy(dest, src, len);
dest[len] = 0;
return res;
}
/**
* strlcpy - Copy a %NUL terminated string into a sized buffer
* @dest: Where to copy the string to
* @src: Where to copy the string from
* @size: size of destination buffer
*
* Compatible with *BSD: the result is always a valid
* NUL-terminated string that fits in the buffer (unless,
* of course, the buffer size is zero). It does not pad
* out the result like strncpy() does.
*/
size_t strlcpy(char *dest, const char *src, size_t size)
{
size_t ret = strlen(src);
if (size) {
size_t len = (ret >= size) ? size - 1 : ret;
memcpy(dest, src, len);
dest[len] = '\0';
}
return ret;
}