Switch to using dstring as a submodule

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "dstring"]
+	path = dstring
+	url = git@git.thewizardapprentice.com:abdelrahman/dstring

dstring

@@ -0,0 +1 @@
+Subproject commit c1ef7afcac21d7bc9536ca2dc309dd9dd57169d2

include/dstring/dstring.h

@@ -1,22 +0,0 @@
-#ifndef DSTRING_H
-#define DSTRING_H
-
-#include "aliases.h"
-
-typedef struct dstring dstr_t;
-
-dstr_t *dstr_with_capacity(u64 capacity);
-dstr_t *dstr_from_string(const char *str);
-void dstr_update(dstr_t **dst, const char *src);
-void dstr_free(dstr_t **str);
-void dstr_concat(dstr_t **dst, const char *src);
-void dstr_append(dstr_t **dst, char c);
-void dstr_resize(dstr_t **str);
-void dstr_clear(dstr_t *str);
-void dstr_print(const dstr_t *str);
-i64 dstr_find(const dstr_t *str, const char *substr);
-u64 dstr_length(const dstr_t *str);
-u64 dstr_capacity(const dstr_t *str);
-const char *dstr_to_cstr(const dstr_t *str);
-
-#endif // !DSTRING_H

include/dstring/dstring.h

@@ -0,0 +1 @@
+../../dstring/include/dstring.h

src/dstring/dstring.c

@@ -1,211 +0,0 @@
-#include "dstring.h"
-#include "aliases.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-// Use this scalar to allocate extra memory in order to avoid having to
-// constantly reallocate
-#define CAPACITY_SCALAR 8
-
-struct dstring {
-  u64 capacity;
-  u64 size;
-  char buf[];
-};
-
-dstr_t *dstr_with_capacity(u64 capacity) {
-  dstr_t *out = (dstr_t *)malloc(sizeof(dstr_t) + capacity + 1);
-
-  if (!out) {
-    return NULL;
-  }
-
-  out->capacity = capacity;
-  out->size = 0;
-  memset(out->buf, 0, capacity + 1);
-
-  return out;
-}
-
-dstr_t *dstr_from_string(const char *str) {
-  u64 length = strlen(str);
-
-  u64 capacity = length * CAPACITY_SCALAR;
-
-  dstr_t *out = dstr_with_capacity(capacity);
-
-  if (!out) {
-    return NULL;
-  }
-
-  out->size = length;
-  strncpy(out->buf, str, length);
-
-  return out;
-}
-
-void dstr_update(dstr_t **dst, const char *src) {
-  if (!(*dst)) {
-    return;
-  }
-
-  u64 length = strlen(src);
-
-  dstr_t *str = *dst;
-
-  if (length <= str->capacity) {
-    memset(str->buf, 0, str->capacity);
-
-    str->size = length;
-
-    strncpy(str->buf, src, length);
-  } else {
-    u64 capacity = length * CAPACITY_SCALAR;
-
-    dstr_t *tmp = (dstr_t *)realloc(*dst, sizeof(dstr_t) + capacity + 1);
-
-    if (!tmp) {
-      return;
-    }
-
-    tmp->capacity = capacity;
-    tmp->size = length;
-    strncpy(tmp->buf, src, length);
-
-    *dst = tmp;
-  }
-}
-
-void dstr_free(dstr_t **str) {
-  if (!(*str)) {
-    return;
-  }
-
-  free(*str);
-  *str = NULL;
-}
-
-void dstr_concat(dstr_t **dst, const char *src) {
-  if (!(*dst)) {
-    return;
-  }
-
-  u64 src_length = strlen(src);
-
-  if (src_length == 0) {
-    return;
-  }
-
-  u64 new_length = (*dst)->size + src_length;
-
-  char str[new_length + 1];
-  memset(str, 0, new_length + 1);
-
-  strncpy(str, (*dst)->buf, (*dst)->size);
-  strncat(str, src, src_length);
-
-  dstr_update(dst, str);
-}
-
-void dstr_append(dstr_t **dst, char c) {
-  if (!(*dst)) {
-    return;
-  }
-
-  u64 new_length = (*dst)->size + 1;
-
-  char str[new_length + 1];
-  memset(str, 0, new_length + 1);
-
-  strncpy(str, (*dst)->buf, (*dst)->size);
-  str[(*dst)->size] = c;
-
-  dstr_update(dst, str);
-}
-
-void dstr_resize(dstr_t **str) {
-  u64 capacity = (*str)->size;
-
-  dstr_t *tmp = (dstr_t *)realloc(*str, sizeof(dstr_t) + capacity + 1);
-
-  if (!tmp) {
-    return;
-  }
-
-  tmp->capacity = capacity;
-
-  *str = tmp;
-}
-
-void dstr_clear(dstr_t *str) {
-  if (!str || str->size == 0) {
-    return;
-  }
-
-  memset(str->buf, 0, str->capacity);
-  str->size = 0;
-}
-
-void dstr_print(const dstr_t *str) {
-  if (!str) {
-    return;
-  }
-
-  printf("%s\n", str->buf);
-}
-
-i64 dstr_find(const dstr_t *str, const char *substr) {
-  if (!str || !substr) {
-    return -1;
-  }
-
-  u64 substr_length = strlen(substr);
-
-  if (substr_length == 0 || substr_length > str->size) {
-    return -1;
-  }
-
-  char buf[substr_length + 1];
-  memset(buf, 0, substr_length + 1);
-
-  for (i64 i = 0; i < str->size; ++i) {
-    if (i + substr_length >= str->size) {
-      break;
-    }
-
-    for (u64 j = 0; j < substr_length; ++j) {
-      buf[j] = str->buf[i + j];
-    }
-
-    if (strcmp(buf, substr) == 0) {
-      return i;
-    }
-  }
-
-  return -1;
-}
-
-u64 dstr_length(const dstr_t *str) {
-  if (!str) {
-    return 0;
-  }
-
-  return str->size;
-}
-
-u64 dstr_capacity(const dstr_t *str) {
-  if (!str) {
-    return 0;
-  }
-
-  return str->capacity;
-}
-
-const char *dstr_to_cstr(const dstr_t *str) {
-  if (!str) {
-    return "";
-  }
-
-  return str->buf;
-}

src/dstring/dstring.c

@@ -0,0 +1 @@
+../../dstring/src/dstring.c