From 2ed275821676a0d5baea6c7fd843d71c72c2342c Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Mon, 9 Sep 2024 12:41:49 -0400
Subject: initial mips32 (r2000ish mips32r6) assembler

---
 masm/strtbl.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 masm/strtbl.c

(limited to 'masm/strtbl.c')

diff --git a/masm/strtbl.c b/masm/strtbl.c
new file mode 100644
index 0000000..b01bb92
--- /dev/null
+++ b/masm/strtbl.c
@@ -0,0 +1,49 @@
+#include <merror.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "asm.h"
+
+int strtbl_get_str(struct str_table *str_tbl, const char *str, size_t *res)
+{
+        for (size_t i = 0; i < str_tbl->size; i ++) {
+                if (strcmp(str_tbl->ptr + i, str) == 0) {
+                        if (res != NULL)
+                                *res = i;
+                        return M_SUCCESS;
+                }
+        }
+
+        return M_ERROR;
+}
+
+int strtbl_write_str(struct str_table *str_tbl, const char *str, size_t *res)
+{
+        if (strtbl_get_str(str_tbl, str, res) == M_SUCCESS)
+                return M_SUCCESS;
+
+        size_t len = strlen(str);
+        char *new = realloc(str_tbl->ptr, str_tbl->size + len + 1);
+        if (new == NULL)
+                return M_ERROR;
+        str_tbl->ptr = new;
+        memcpy(str_tbl->ptr + str_tbl->size, str, len + 1);
+
+        if (res != NULL)
+                *res = str_tbl->size;
+
+        str_tbl->size += len + 1;
+        return M_SUCCESS;
+}
+
+void strtbl_init(struct str_table *str_tbl)
+{
+        str_tbl->size = 1;
+        str_tbl->ptr = malloc(1);
+        *str_tbl->ptr = '\0';
+}
+
+void strtbl_free(struct str_table *str_tbl)
+{
+        free(str_tbl->ptr);
+}
-- 
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