1 files changed, 108 insertions, 0 deletions
diff --git a/lib/atoi/str2i.h b/lib/atoi/str2i.h
new file mode 100644
index 0000000..b3ded03
--- /dev/null
+++ b/lib/atoi/str2i.h
@@ -0,0 +1,108 @@
+// SPDX-FileCopyrightText: 2007-2009, Nicolas François
+// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#ifndef SHADOW_INCLUDE_LIB_ATOI_STR2I_H_
+#define SHADOW_INCLUDE_LIB_ATOI_STR2I_H_
+
+
+#include <config.h>
+
+#include <limits.h>
+#include <stddef.h>
+
+#include "atoi/a2i.h"
+#include "attr.h"
+
+
+#define str2i(TYPE, ...)                                                      \
+(                                                                             \
+	_Generic((TYPE) 0,                                                    \
+		short:              str2sh,                                   \
+		int:                str2si,                                   \
+		long:               str2sl,                                   \
+		long long:          str2sll,                                  \
+		unsigned short:     str2uh,                                   \
+		unsigned int:       str2ui,                                   \
+		unsigned long:      str2ul,                                   \
+		unsigned long long: str2ull                                   \
+	)(__VA_ARGS__)                                                        \
+)
+
+
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2sh(short *restrict n, const char *restrict s);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2si(int *restrict n, const char *restrict s);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2sl(long *restrict n, const char *restrict s);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2sll(long long *restrict n, const char *restrict s);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2uh(unsigned short *restrict n, const char *restrict s);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2ui(unsigned int *restrict n, const char *restrict s);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2ul(unsigned long *restrict n, const char *restrict s);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1)
+inline int str2ull(unsigned long long *restrict n, const char *restrict s);
+
+
+inline int
+str2sh(short *restrict n, const char *restrict s)
+{
+	return a2sh(n, s, NULL, 0, SHRT_MIN, SHRT_MAX);
+}
+
+
+inline int
+str2si(int *restrict n, const char *restrict s)
+{
+	return a2si(n, s, NULL, 0, INT_MIN, INT_MAX);
+}
+
+
+inline int
+str2sl(long *restrict n, const char *restrict s)
+{
+	return a2sl(n, s, NULL, 0, LONG_MIN, LONG_MAX);
+}
+
+
+inline int
+str2sll(long long *restrict n, const char *restrict s)
+{
+	return a2sll(n, s, NULL, 0, LLONG_MIN, LLONG_MAX);
+}
+
+
+inline int
+str2uh(unsigned short *restrict n, const char *restrict s)
+{
+	return a2uh(n, s, NULL, 0, 0, USHRT_MAX);
+}
+
+
+inline int
+str2ui(unsigned int *restrict n, const char *restrict s)
+{
+	return a2ui(n, s, NULL, 0, 0, UINT_MAX);
+}
+
+
+inline int
+str2ul(unsigned long *restrict n, const char *restrict s)
+{
+	return a2ul(n, s, NULL, 0, 0, ULONG_MAX);
+}
+
+
+inline int
+str2ull(unsigned long long *restrict n, const char *restrict s)
+{
+	return a2ull(n, s, NULL, 0, 0, ULLONG_MAX);
+}
+
+
+#endif  // include guard