From 5654b998296e7566644fe8b7a320ef534d74530a Mon Sep 17 00:00:00 2001
From: Matthias Puchstein <matthias@puchstein.bayern>
Date: Fri, 13 Jun 2025 01:26:36 +0200
Subject: [PATCH] update

---
 main.c | 79 +++++++++++++++++++++++++++++-----------------------------
 1 file changed, 39 insertions(+), 40 deletions(-)

diff --git a/main.c b/main.c
index 47b6c57..8d4ab2b 100644
--- a/main.c
+++ b/main.c
@@ -3,8 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define NAME_MAX_LENGTH 128
-#define TAG_MAX_LENGTH 128
+#define BUFFER_LENGTH 128
 #define HASH_BUCKETS 4000037
 #define MIN_COUNT 10000
 
@@ -19,12 +18,12 @@ void string_ncopy(char *dest, const char *src, size_t max_len) {
 
 typedef struct person {
   struct person *next;
-  char name[NAME_MAX_LENGTH];
+  char *name;
   int count;
 } person;
 
 void newPerson(person *p, const char *name) {
-  string_ncopy(p->name, name, NAME_MAX_LENGTH);
+  string_ncopy(p->name, name, BUFFER_LENGTH);
   p->count = 1;
   p->next = NULL;
 }
@@ -127,49 +126,49 @@ void hm_insert(person **hashmap, char *name) {
   sorted_name_insert(&hashmap[hash_value], name);
 }
 
-void parse_line(char *line, char *name) {
+void parse_line(char *line, char *buffer) {
   char *line_it = line;
   if (*line_it == '<') {
     line_it++;
-    char *tagname = malloc(sizeof(char) * TAG_MAX_LENGTH);
     size_t i = 0;
-    while (i < TAG_MAX_LENGTH - 1 && *line_it != ' ' && *line_it != '>' &&
+    while (i < BUFFER_LENGTH - 1 && *line_it != ' ' && *line_it != '>' &&
            *line_it != '\0' && *line_it != '\n') {
-      tagname[i] = *line_it;
+      buffer[i] = *line_it;
       line_it++;
       i++;
     }
-    tagname[i] = '\0';
-    if (strcmp(tagname, "author") == 0 || strcmp(tagname, "editor") == 0) {
+    buffer[i] = '\0';
+    if (strcmp(buffer, "author") == 0 || strcmp(buffer, "editor") == 0) {
       while (*line_it != '>') {
         line_it++;
       }
       line_it++;
-      char *last_space = line_it;
+      char *surname_end = line_it, *surname_start;
       while (*line_it != '<') {
         if (*line_it == ' ') {
-          last_space = line_it;
+          surname_start = surname_end;
+          surname_end = line_it;
         }
         line_it++;
-        if (isdigit(*line_it)) {
-          line_it = line_it - 2;
-          while (*line_it != ' ' && *line_it != '<') {
-            line_it--;
-          }
-          last_space = line_it + 1;
-          break;
-        }
+        printf("%s\n", line_it);
+      }
+      printf("line_it: %s\n", line_it);
+      printf("sn start: %s\n", surname_start);
+      printf("sn end: %s\n", surname_end);
+      if (!isdigit(surname_end + 1)) {
+        surname_start = surname_end + 1;
+        surname_end = line_it - 1;
+      } else {
+        surname_start++;
+        surname_end--;
       }
       i = 0;
-      line_it = last_space + 1;
-      while (i < NAME_MAX_LENGTH - 1 && *line_it != '<' && *line_it != ' ') {
-        name[i] = *line_it;
-        line_it++;
-        i++;
+      size_t name_length = surname_end - surname_start;
+      while (i < name_length) {
+        buffer[i] = surname_start[i];
       }
-      name[i] = '\0';
+      buffer[i] = '\0';
     }
-    free(tagname);
   }
 }
 
@@ -219,27 +218,27 @@ int main(void) {
     hashmap[i] = NULL;
   }
   FILE *fp = fopen("dblp.xml", "r");
-  char line[1024];
+  char *line = NULL;
+  size_t line_len = 0;
+  char *buffer = (char *)malloc(sizeof(char) * BUFFER_LENGTH);
   if (fp) {
-    while (fgets(line, sizeof(line), fp) != NULL) {
-      char *name = (char *)malloc(sizeof(char) * NAME_MAX_LENGTH);
-      parse_line(line, name);
-      if (name != NULL) {
-        hm_insert(hashmap, name);
+    while (!(getline(&line, &line_len, fp) < 0)) {
+      parse_line(line, buffer);
+      if (buffer != NULL) {
+        hm_insert(hashmap, buffer);
       }
-      free(name);
     }
     fclose(fp);
   } else {
-    while (fgets(line, sizeof(line), stdin) != NULL) {
-      char *name = (char *)malloc(sizeof(char) * NAME_MAX_LENGTH);
-      parse_line(line, name);
-      if (name != NULL) {
-        hm_insert(hashmap, name);
+    while (!(getline(&line, &line_len, stdin) < 0)) {
+      printf("%s", line);
+      parse_line(line, buffer);
+      if (buffer != NULL) {
+        hm_insert(hashmap, buffer);
       }
-      free(name);
     }
   }
+  free(buffer);
   printf("Done parsing!\n");
   person *list = NULL;
   make_list(hashmap, &list, MIN_COUNT);