1 files changed, 149 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/bdk/lame_string.c b/src/vendorcode/cavium/bdk/lame_string.c
new file mode 100644
index 0000000000..11c5add209
--- /dev/null
+++ b/src/vendorcode/cavium/bdk/lame_string.c
@@ -0,0 +1,149 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (c) 2003-2017  Cavium Inc. (support@cavium.com). All rights
+ * reserved.
+ * Copyright 2018-present Facebook, Inc.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * string.c: hastily cobbled-together string functions
+ */
+
+#include <assert.h>
+#include <string.h>
+#include <lame_string.h>
+
+static int char_to_val(char c)
+{
+	if (c >= '0' && c <= '9')	/* digits */
+		return c - '0';
+	if (c >= 'A' && c <= 'F')	/* uppercase */
+		return c - 'A' + 10;
+	if (c >= 'a' && c <= 'f')	/* lowercase */
+		return c - 'a' + 10;
+	return -1;
+}
+
+unsigned long long int strtoull(const char *nptr, char **endptr, int base)
+{
+	unsigned long long int val;
+	size_t i, error = 0;
+
+	/* TODO: enforce lameness of this API for now... */
+	assert((base == 0) || (base == 16) || base == 10);
+
+	if (!nptr)
+		return 0;
+
+	/* Trim whitespace */
+	for (i = 0; i < strlen(nptr); i++)
+		if (nptr[i] != ' ')
+			break;
+
+	if (base == 0) {
+		/* Autodetect base */
+		if (strlen(&nptr[i]) >= 2 && ((nptr[i] == '0') &&
+		    ((nptr[i + 1] == 'x') || (nptr[i + 1] == 'X')))) {
+			base = 16;
+			i += 2;	/* start loop after prefix */
+		} else
+			base = 10;
+	}
+
+	val = 0;
+	for (; i < strlen(nptr); i++) {
+		if (base == 16) {
+			if (!isxdigit(nptr[i])) {
+				if (*endptr)
+					*endptr = (char *)&nptr[i];
+				error = 1;
+				break;
+			}
+		} else {
+			if (!isdigit(nptr[i])) {
+				if (*endptr)
+					*endptr = (char *)&nptr[i];
+				error = 1;
+				break;
+			}
+		}
+
+		val *= base;
+		val += char_to_val(nptr[i]);
+	}
+
+	if (error) {
+		printk(BIOS_ERR, "Failed to convert string '%s', base %d to "
+		       "int\n", nptr, base);
+		return 0;
+	}
+	return val;
+}
+
+unsigned long int strtoul(const char *nptr, char **endptr, int base)
+{
+	unsigned long long int u = strtol(nptr, endptr, base);
+	/* FIXME: check for overflow (u > max) */
+	return (unsigned long int)u;
+}
+
+long int strtol(const char *nptr, char **endptr, int base)
+{
+	unsigned long long int u;
+	int is_neg = 0;
+	const char *p;
+	long int ret;
+
+	if (nptr[0] == '-') {
+		is_neg = 1;
+		p = &nptr[1];
+	} else {
+		p = &nptr[0];
+	}
+	u = strtoull(p, NULL, base);
+	/* FIXME: check for overflow (u > max) */
+	if (is_neg)
+		ret = 0 - (long int)u;
+	else
+		ret = (long int)u;
+	return ret;
+}
+
+long long int strtoll(const char *nptr, char **endptr, int base)
+{
+	unsigned long long int u;
+	int is_neg = 0;
+	const char *p;
+	long long int ret;
+
+	if (nptr[0] == '-') {
+		is_neg = 1;
+		p = &nptr[1];
+	} else {
+		p = &nptr[0];
+	}
+	u = strtoull(p, NULL, base);
+	/* FIXME: check for overflow (sign-bit set) */
+	if (is_neg)
+		ret = 0 - (long long int)u;
+	else
+		ret = (long long int)u;
+	return ret;
+}
+
+/* FIXME: replace sscanf() usage for bdk_config_get_int. returns number of
+ * strings converted, so 1 if successful and 0 if not */
+int str_to_int(const char *str, int64_t *val)
+{
+	*val = strtol(str, NULL, 10);
+	return 1;
+}
+
+/* FIXME: replace sscanf() usage for bdk_config_get_int. returns number of
+ * strings converted, so 1 if successful and 0 if not */
+int str_to_hex(const char *str, int64_t *val)
+{
+	*val = strtol(str, NULL, 16);
+	return 1;
+}