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-rw-r--r--lib/atoi/a2i.h386
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diff --git a/lib/atoi/a2i.h b/lib/atoi/a2i.h
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+++ b/lib/atoi/a2i.h
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+// SPDX-FileCopyrightText: 2023-2024, Alejandro Colomar <alx@kernel.org>
+// SPDX-License-Identifier: BSD-3-Clause
+
+
+#ifndef SHADOW_INCLUDE_LIB_ATOI_A2I_H_
+#define SHADOW_INCLUDE_LIB_ATOI_A2I_H_
+
+
+#include <config.h>
+
+#include <errno.h>
+
+#include "atoi/strtoi.h"
+#include "atoi/strtou_noneg.h"
+#include "attr.h"
+
+
+/*
+ * See the manual of these macros in liba2i's documentation:
+ * <http://www.alejandro-colomar.es/share/dist/liba2i/git/HEAD/liba2i-HEAD.pdf>
+ */
+
+
+#define a2i(TYPE, n, s, ...) \
+( \
+ _Generic((void (*)(TYPE, typeof(s))) 0, \
+ void (*)(short, const char *): a2sh_c, \
+ void (*)(short, const void *): a2sh_c, \
+ void (*)(short, char *): a2sh_nc, \
+ void (*)(short, void *): a2sh_nc, \
+ void (*)(int, const char *): a2si_c, \
+ void (*)(int, const void *): a2si_c, \
+ void (*)(int, char *): a2si_nc, \
+ void (*)(int, void *): a2si_nc, \
+ void (*)(long, const char *): a2sl_c, \
+ void (*)(long, const void *): a2sl_c, \
+ void (*)(long, char *): a2sl_nc, \
+ void (*)(long, void *): a2sl_nc, \
+ void (*)(long long, const char *): a2sll_c, \
+ void (*)(long long, const void *): a2sll_c, \
+ void (*)(long long, char *): a2sll_nc, \
+ void (*)(long long, void *): a2sll_nc, \
+ void (*)(unsigned short, const char *): a2uh_c, \
+ void (*)(unsigned short, const void *): a2uh_c, \
+ void (*)(unsigned short, char *): a2uh_nc, \
+ void (*)(unsigned short, void *): a2uh_nc, \
+ void (*)(unsigned int, const char *): a2ui_c, \
+ void (*)(unsigned int, const void *): a2ui_c, \
+ void (*)(unsigned int, char *): a2ui_nc, \
+ void (*)(unsigned int, void *): a2ui_nc, \
+ void (*)(unsigned long, const char *): a2ul_c, \
+ void (*)(unsigned long, const void *): a2ul_c, \
+ void (*)(unsigned long, char *): a2ul_nc, \
+ void (*)(unsigned long, void *): a2ul_nc, \
+ void (*)(unsigned long long, const char *): a2ull_c, \
+ void (*)(unsigned long long, const void *): a2ull_c, \
+ void (*)(unsigned long long, char *): a2ull_nc, \
+ void (*)(unsigned long long, void *): a2ull_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+
+#define a2sh(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2sh_c, \
+ const void *: a2sh_c, \
+ char *: a2sh_nc, \
+ void *: a2sh_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+#define a2si(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2si_c, \
+ const void *: a2si_c, \
+ char *: a2si_nc, \
+ void *: a2si_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+#define a2sl(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2sl_c, \
+ const void *: a2sl_c, \
+ char *: a2sl_nc, \
+ void *: a2sl_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+#define a2sll(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2sll_c, \
+ const void *: a2sll_c, \
+ char *: a2sll_nc, \
+ void *: a2sll_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+#define a2uh(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2uh_c, \
+ const void *: a2uh_c, \
+ char *: a2uh_nc, \
+ void *: a2uh_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+#define a2ui(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2ui_c, \
+ const void *: a2ui_c, \
+ char *: a2ui_nc, \
+ void *: a2ui_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+#define a2ul(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2ul_c, \
+ const void *: a2ul_c, \
+ char *: a2ul_nc, \
+ void *: a2ul_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+#define a2ull(n, s, ...) \
+( \
+ _Generic(s, \
+ const char *: a2ull_c, \
+ const void *: a2ull_c, \
+ char *: a2ull_nc, \
+ void *: a2ull_nc \
+ )(n, s, __VA_ARGS__) \
+)
+
+
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2sh_c(short *restrict n, const char *s,
+ const char **restrict endp, int base, short min, short max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2si_c(int *restrict n, const char *s,
+ const char **restrict endp, int base, int min, int max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2sl_c(long *restrict n, const char *s,
+ const char **restrict endp, int base, long min, long max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2sll_c(long long *restrict n, const char *s,
+ const char **restrict endp, int base, long long min, long long max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2uh_c(unsigned short *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned short min,
+ unsigned short max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2ui_c(unsigned int *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned int min, unsigned int max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2ul_c(unsigned long *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned long min, unsigned long max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2ull_c(unsigned long long *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned long long min,
+ unsigned long long max);
+
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2sh_nc(short *restrict n, char *s,
+ char **restrict endp, int base, short min, short max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2si_nc(int *restrict n, char *s,
+ char **restrict endp, int base, int min, int max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2sl_nc(long *restrict n, char *s,
+ char **restrict endp, int base, long min, long max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2sll_nc(long long *restrict n, char *s,
+ char **restrict endp, int base, long long min, long long max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2uh_nc(unsigned short *restrict n, char *s,
+ char **restrict endp, int base, unsigned short min, unsigned short max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2ui_nc(unsigned int *restrict n, char *s,
+ char **restrict endp, int base, unsigned int min, unsigned int max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2ul_nc(unsigned long *restrict n, char *s,
+ char **restrict endp, int base, unsigned long min, unsigned long max);
+ATTR_STRING(2) ATTR_ACCESS(write_only, 1) ATTR_ACCESS(write_only, 3)
+inline int a2ull_nc(unsigned long long *restrict n, char *s,
+ char **restrict endp, int base, unsigned long long min,
+ unsigned long long max);
+
+
+inline int
+a2sh_c(short *restrict n, const char *s,
+ const char **restrict endp, int base, short min, short max)
+{
+ return a2sh(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2si_c(int *restrict n, const char *s,
+ const char **restrict endp, int base, int min, int max)
+{
+ return a2si(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2sl_c(long *restrict n, const char *s,
+ const char **restrict endp, int base, long min, long max)
+{
+ return a2sl(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2sll_c(long long *restrict n, const char *s,
+ const char **restrict endp, int base, long long min, long long max)
+{
+ return a2sll(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2uh_c(unsigned short *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned short min,
+ unsigned short max)
+{
+ return a2uh(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2ui_c(unsigned int *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned int min, unsigned int max)
+{
+ return a2ui(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2ul_c(unsigned long *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned long min, unsigned long max)
+{
+ return a2ul(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2ull_c(unsigned long long *restrict n, const char *s,
+ const char **restrict endp, int base, unsigned long long min,
+ unsigned long long max)
+{
+ return a2ull(n, (char *) s, (char **) endp, base, min, max);
+}
+
+
+inline int
+a2sh_nc(short *restrict n, char *s,
+ char **restrict endp, int base, short min, short max)
+{
+ int status;
+
+ *n = strtoi_(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+inline int
+a2si_nc(int *restrict n, char *s,
+ char **restrict endp, int base, int min, int max)
+{
+ int status;
+
+ *n = strtoi_(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+inline int
+a2sl_nc(long *restrict n, char *s,
+ char **restrict endp, int base, long min, long max)
+{
+ int status;
+
+ *n = strtoi_(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+inline int
+a2sll_nc(long long *restrict n, char *s,
+ char **restrict endp, int base, long long min, long long max)
+{
+ int status;
+
+ *n = strtoi_(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+inline int
+a2uh_nc(unsigned short *restrict n, char *s,
+ char **restrict endp, int base, unsigned short min,
+ unsigned short max)
+{
+ int status;
+
+ *n = strtou_noneg(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+inline int
+a2ui_nc(unsigned int *restrict n, char *s,
+ char **restrict endp, int base, unsigned int min, unsigned int max)
+{
+ int status;
+
+ *n = strtou_noneg(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+inline int
+a2ul_nc(unsigned long *restrict n, char *s,
+ char **restrict endp, int base, unsigned long min, unsigned long max)
+{
+ int status;
+
+ *n = strtou_noneg(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+inline int
+a2ull_nc(unsigned long long *restrict n, char *s,
+ char **restrict endp, int base, unsigned long long min,
+ unsigned long long max)
+{
+ int status;
+
+ *n = strtou_noneg(s, endp, base, min, max, &status);
+ if (status != 0) {
+ errno = status;
+ return -1;
+ }
+ return 0;
+}
+
+
+#endif // include guard
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