From 97c9056b6af80e8b6703031a0ae45fe6dc0e2766 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Fri, 10 Nov 2017 14:12:48 +0100
Subject: Remove fz_android_fprintf.

Use android logging for throw/warn like we do with OutputDebugString
on windows.
---
 source/fitz/error.c | 92 +++++++++++------------------------------------------
 1 file changed, 19 insertions(+), 73 deletions(-)

(limited to 'source')

diff --git a/source/fitz/error.c b/source/fitz/error.c
index 0f371bc6..fe1045dd 100644
--- a/source/fitz/error.c
+++ b/source/fitz/error.c
@@ -13,6 +13,11 @@
 #endif
 #endif
 
+#ifdef __ANDROID__
+#define USE_ANDROID_LOG
+#include <android/log.h>
+#endif
+
 /* Warning context */
 
 void fz_var_imp(void *var)
@@ -40,6 +45,9 @@ void fz_vwarn(fz_context *ctx, const char *fmt, va_list ap)
 	OutputDebugStringA(buf);
 	OutputDebugStringA("\n");
 #endif
+#ifdef USE_ANDROID_LOG
+	__android_log_print(ANDROID_LOG_WARN, "libmupdf", "%s", buf);
+#endif
 
 	if (!strcmp(buf, ctx->warn->message))
 	{
@@ -102,11 +110,14 @@ FZ_NORETURN static void throw(fz_context *ctx)
 	}
 	else
 	{
-		fprintf(stderr, "uncaught exception: %s\n", ctx->error->message);
+		fprintf(stderr, "uncaught error: %s\n", ctx->error->message);
 #ifdef USE_OUTPUT_DEBUG_STRING
-		OutputDebugStringA("uncaught exception: ");
+		OutputDebugStringA("uncaught error: ");
 		OutputDebugStringA(ctx->error->message);
 		OutputDebugStringA("\n");
+#endif
+#ifdef USE_ANDROID_LOG
+		__android_log_print(ANDROID_LOG_ERROR, "libmupdf", "(uncaught) %s", ctx->error->message);
 #endif
 		exit(EXIT_FAILURE);
 	}
@@ -131,6 +142,9 @@ static int fz_fake_throw(fz_context *ctx, int code, const char *fmt, ...)
 		OutputDebugStringA("error: ");
 		OutputDebugStringA(ctx->error->message);
 		OutputDebugStringA("\n");
+#endif
+#ifdef USE_ANDROID_LOG
+		__android_log_print(ANDROID_LOG_ERROR, "libmupdf", "%s", ctx->error->message);
 #endif
 	}
 
@@ -181,6 +195,9 @@ FZ_NORETURN void fz_vthrow(fz_context *ctx, int code, const char *fmt, va_list a
 		OutputDebugStringA("error: ");
 		OutputDebugStringA(ctx->error->message);
 		OutputDebugStringA("\n");
+#endif
+#ifdef USE_ANDROID_LOG
+		__android_log_print(ANDROID_LOG_ERROR, "libmupdf", "%s", ctx->error->message);
 #endif
 	}
 
@@ -207,74 +224,3 @@ void fz_rethrow_if(fz_context *ctx, int err)
 	if (ctx->error->errcode == err)
 		fz_rethrow(ctx);
 }
-
-/* Android specific code to take fprintf to LOG */
-
-#ifdef __ANDROID__
-#include <unistd.h>
-#include <android/log.h>
-
-#define LOG_TAG "libmupdf"
-
-static char android_log_buffer[4096];
-static int android_log_fill = 0;
-
-static char android_log_buffer2[4096];
-
-int fz_android_fprintf(void *file, const char *fmt, ...)
-{
-	va_list args;
-	char *p, *q;
-
-	/* Just in case someone has some magic fprintf redirection code working */
-	va_start(args, fmt);
-	vfprintf(file, fmt, args);
-	va_end(args);
-
-	if (file != stdout && file != stderr)
-		return 0;
-
-	va_start(args, fmt);
-	vsnprintf(android_log_buffer2, sizeof(android_log_buffer2)-1, fmt, args);
-	va_end(args);
-
-	/* Ensure we are always null terminated */
-	android_log_buffer2[sizeof(android_log_buffer2)-1] = 0;
-
-	p = android_log_buffer2;
-	q = p;
-	do
-	{
-		/* Find the end of the string, or the next \n */
-		while (*p && *p != '\n')
-			p++;
-
-		/* We need to output from q to p. Limit ourselves to what
-		 * will fit in the existing buffer. */
-		if (p - q >= sizeof(android_log_buffer)-1 - android_log_fill)
-			p = q + sizeof(android_log_buffer)-1 - android_log_fill;
-
-		memcpy(&android_log_buffer[android_log_fill], q, p-q);
-		android_log_fill += p-q;
-		if (*p == '\n')
-		{
-			android_log_buffer[android_log_fill] = 0;
-			__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "%s", android_log_buffer);
-			usleep(1); /* Hack to avoid the logcat buffer losing data */
-			android_log_fill = 0;
-			p++; /* Skip over the \n */
-		}
-		else if (android_log_fill >= sizeof(android_log_buffer)-1)
-		{
-			android_log_buffer[sizeof(android_log_buffer2)-1] = 0;
-			__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "%s", android_log_buffer);
-			usleep(1); /* Hack to avoid the logcat buffer losing data */
-			android_log_fill = 0;
-		}
-		q = p;
-	}
-	while (*p);
-
-	return 0;
-}
-#endif
-- 
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