#include <stdio.h>
#include <string.h>
+#include "string-util.h"
#include "strxcpyx.h"
-size_t strnpcpy(char **dest, size_t size, const char *src, size_t len) {
+size_t strnpcpy_full(char **dest, size_t size, const char *src, size_t len, bool *ret_truncated) {
+ bool truncated = false;
+
assert(dest);
assert(src);
- if (size == 0)
+ if (size == 0) {
+ if (ret_truncated)
+ *ret_truncated = len > 0;
return 0;
+ }
if (len >= size) {
if (size > 1)
*dest = mempcpy(*dest, src, size-1);
size = 0;
+ truncated = true;
} else if (len > 0) {
*dest = mempcpy(*dest, src, len);
size -= len;
}
+ if (ret_truncated)
+ *ret_truncated = truncated;
+
*dest[0] = '\0';
return size;
}
-size_t strpcpy(char **dest, size_t size, const char *src) {
+size_t strpcpy_full(char **dest, size_t size, const char *src, bool *ret_truncated) {
assert(dest);
assert(src);
- return strnpcpy(dest, size, src, strlen(src));
+ return strnpcpy_full(dest, size, src, strlen(src), ret_truncated);
}
-size_t strpcpyf(char **dest, size_t size, const char *src, ...) {
+size_t strpcpyf_full(char **dest, size_t size, bool *ret_truncated, const char *src, ...) {
+ bool truncated = false;
va_list va;
int i;
assert(dest);
assert(src);
- if (size == 0)
- return 0;
-
va_start(va, src);
i = vsnprintf(*dest, size, src, va);
- if (i < (int)size) {
+ va_end(va);
+
+ if (i < (int) size) {
*dest += i;
size -= i;
- } else
+ } else {
size = 0;
- va_end(va);
+ truncated = i > 0;
+ }
+
+ if (ret_truncated)
+ *ret_truncated = truncated;
+
return size;
}
-size_t strpcpyl(char **dest, size_t size, const char *src, ...) {
+size_t strpcpyl_full(char **dest, size_t size, bool *ret_truncated, const char *src, ...) {
+ bool truncated = false;
va_list va;
assert(dest);
va_start(va, src);
do {
- size = strpcpy(dest, size, src);
+ bool t;
+
+ size = strpcpy_full(dest, size, src, &t);
+ truncated = truncated || t;
src = va_arg(va, char *);
} while (src);
va_end(va);
+
+ if (ret_truncated)
+ *ret_truncated = truncated;
return size;
}
-size_t strnscpy(char *dest, size_t size, const char *src, size_t len) {
+size_t strnscpy_full(char *dest, size_t size, const char *src, size_t len, bool *ret_truncated) {
char *s;
assert(dest);
assert(src);
s = dest;
- return strnpcpy(&s, size, src, len);
+ return strnpcpy_full(&s, size, src, len, ret_truncated);
}
-size_t strscpy(char *dest, size_t size, const char *src) {
+size_t strscpy_full(char *dest, size_t size, const char *src, bool *ret_truncated) {
assert(dest);
assert(src);
- return strnscpy(dest, size, src, strlen(src));
+ return strnscpy_full(dest, size, src, strlen(src), ret_truncated);
}
-size_t strscpyl(char *dest, size_t size, const char *src, ...) {
+size_t strscpyl_full(char *dest, size_t size, bool *ret_truncated, const char *src, ...) {
+ bool truncated = false;
va_list va;
char *s;
va_start(va, src);
s = dest;
do {
- size = strpcpy(&s, size, src);
+ bool t;
+
+ size = strpcpy_full(&s, size, src, &t);
+ truncated = truncated || t;
src = va_arg(va, char *);
} while (src);
va_end(va);
+ if (ret_truncated)
+ *ret_truncated = truncated;
+
return size;
}