esif_ccb_string.h

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#pragma once

#include "esif_ccb.h"
#include "esif_ccb_memory.h"


#include "esif_ccb_string_lin_user.h"


/* OS/Kernel Agnostic */

/* Case-insensitive string pattern match function (only "*" and "?" supported) */
static ESIF_INLINE int esif_ccb_strmatch(char *string, char *pattern)
{
	while (*pattern || *string) {
		if (*pattern == '*') {
			return (esif_ccb_strmatch(string, pattern + 1) || (*string && esif_ccb_strmatch(string + 1, pattern)));
		}
		if (*string && ((*pattern == '?') || (*pattern && (tolower(*string) == tolower(*pattern))))) {
			string++, pattern++;
			continue;
		}
		return ESIF_FALSE;
	}
	return ESIF_TRUE;
}

/* Copy up to dest_len bytes from src string to dst, padding with zeros.
 * Note: Behaves like strncpy() - dest is NOT null terminated if strlen(src) >= dest_len
 * Use for copying non-null terminated string buffers to/from null terminated strings
 */
static ESIF_INLINE void *esif_ccb_strmemcpy(
	char *dest,
	size_t dest_len,
	const char *src,
	size_t src_len
)
{
	size_t bytes = esif_ccb_min(dest_len, esif_ccb_strlen(src, src_len));
	if (bytes > 0)
		esif_ccb_memcpy(dest, src, bytes);
	if (bytes < dest_len)
		esif_ccb_memset(dest + bytes, 0, dest_len - bytes);
	return dest;
}