From b228251eccc75da1f3fb89f3c4d754d4c9e9d0e5 Mon Sep 17 00:00:00 2001
From: Pompolic <pompolic@special-circumstanc.es>
Date: Mon, 21 Mar 2022 21:29:18 +0100
Subject: [PATCH] (WIP) Start implementing a log message buffer
---
pdf.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
diff --git a/pdf.c b/pdf.c
index bb5d4fc..07275db 100644
--- a/pdf.c
+++ b/pdf.c
@@ -32,6 +32,73 @@
#endif
+/* Works differently from strictness: messages with severity equal to or greater than this number will be printed */
+uint8_t log_level = 0;
+uint64_t log_messages = 0; // XXX: maybe make it static to log_messages
+uint64_t log_capacity = 0; // XXX: this too
+uint8_t logs_failed = 0;
+
+/*
+typedef struct log_message_S {
+ const char *message,
+ uint8_t severity;
+} log_message;
+
+log_message *logs = NULL;
+
+*/
+
+void log_message(const char *message, uint8_t severity)
+{
+ log_message *msg;
+
+ if(logs_failed)
+ {
+ return;
+ }
+ else if(logs == NULL)
+ {
+ logs = calloc(4096, sizeof(log_message));
+ }
+ else if(log_capacity == log_messages)
+ {
+ logs = reallocarray(logs, log_capacity + 4096, sizeof(log_message));
+ log_capacity += 4096
+ }
+
+ /* check logs again in case calloc or realloc failed */
+ if(logs == NULL)
+ {
+ fprintf(stderr, "Failed to allocate log buffer.\n");
+ logs_failed = 1;
+ return;
+ }
+
+ msg = malloc(sizeof(log_message);
+ msg->message = message;
+ msg->severity = severity;
+
+ log_messages += 1;
+}
+
+void print_log_messages()
+{
+ log_message *entry;
+
+ for(int i = 0; i < log_messages; i++)
+ {
+ entry = log_messages[i];
+ if(log_level <= entry->severity)
+ {
+ fprintf(stderr, "%s\n", entry->message);
+ }
+ }
+}
+
+void free_log_messages()
+{
+ //XXX: TODO
+}
extern int errno; // used in text extraction
--
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