init

1 files changed, 75 insertions, 0 deletions

diff --git a/src/strings.c b/src/strings.c
new file mode 100644
index 0000000..83b7fb8
--- /dev/null
+++ b/src/strings.c
@@ -0,0 +1,75 @@
+#include "strings.h"
+#include "util.h"
+int str_size(str*str){
+  for(int i = 0;;i++)
+    if(str->str[i]=='\0')
+      return i;
+  return 0;
+}
+int ca_size(char*str){
+  for(int i = 0;;i++)
+    if(str[i]=='\0')
+      return i;
+  return 0;
+}
+void str_pushc(str*str,char ch){
+  str->str = realloc(str->str,sizeof(str->str)*(str->len+1));
+  if(str->str==NULL)
+    err("failed to realloc string",pexit);
+  str->str[str->len]=ch;
+  str->str[str->len+1]='\0';
+  str->len++;
+}
+void str_pushca(str*str,char*ins){
+  int size = ca_size(ins);
+  str->str = realloc(str->str,sizeof(str->str)*(str->len+1+size));
+  if(str->str==NULL)
+    err("failed to realloc string",pexit);
+  for(int i = 0; i!=size; i++)
+    str_pushc(str,ins[i]);
+}
+str* str_init(){
+  str* str = malloc(sizeof(*str));
+  str->str = malloc(sizeof(str->str));
+  if(str->str==NULL||str==NULL)
+    err("failed to alloc string",pexit);
+  str->str[0] = '\0';
+  str->len = 0;
+  return str;
+}
+int str_cmp_str(str*str1,str*str2){
+  if(str1->len!=str2->len)
+    return 0;
+  for(int i = 0; i!=str1->len;i++)
+    if(str1->str[i]!=str2->str[i])
+      return 0;
+  return 1;
+}
+int str_cmp_ca(str*str,char*ca){
+  int len = ca_size(ca);
+  if(len!=str->len)
+    return 0;
+  for(int i = 0; i!=str->len;i++)
+    if(str->str[i]!=ca[i])
+      return 0;
+  return 1;
+}
+void str_free(str*str){
+  free(str->str);
+  free(str);
+}
+str* str_init_only_str(str*str){
+  //str* str = malloc(sizeof(*str));
+  str->str = malloc(sizeof(str->str));
+  if(str->str==NULL||str==NULL)
+    err("failed to alloc string",pexit);
+  str->str[0] = '\0';
+  str->len = 0;
+  return str;
+}
+void str_clear(str*str){
+  for(int i = 0; i!=str->len; i++){
+    str->str[i]='\0';
+  }
+  str->len=0;
+}