From f7d30133221896638f7bf4f66c504255c4b14f48 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Thu, 2 Jan 2020 21:01:38 +0100
Subject: Issue #1338 - Part 1: Update NSPR to 4.24

---
 nsprpub/tools/tail.c | 164 +++++++++++++++++++++++++++------------------------
 1 file changed, 87 insertions(+), 77 deletions(-)

(limited to 'nsprpub/tools/tail.c')

diff --git a/nsprpub/tools/tail.c b/nsprpub/tools/tail.c
index 32c93ddfd..d9b87a0e6 100644
--- a/nsprpub/tools/tail.c
+++ b/nsprpub/tools/tail.c
@@ -29,16 +29,16 @@ static void Help(void)
 
 PRIntn main(PRIntn argc, char **argv)
 {
-	PRIntn rv = 0;
+    PRIntn rv = 0;
     PLOptStatus os;
-	PRStatus status;
-	PRFileDesc *file;
-	PRFileInfo fileInfo;
-	PRIntervalTime dally;
-	char buffer[BUFFER_SIZE];
-	PRBool follow = PR_FALSE;
-	const char *filename = NULL;
-	PRUint32 position = 0, seek = 0, time = 0;
+    PRStatus status;
+    PRFileDesc *file;
+    PRFileInfo fileInfo;
+    PRIntervalTime dally;
+    char buffer[BUFFER_SIZE];
+    PRBool follow = PR_FALSE;
+    const char *filename = NULL;
+    PRUint32 position = 0, seek = 0, time = 0;
     PLOptState *opt = PL_CreateOptState(argc, argv, "hfn:");
 
     out = PR_GetSpecialFD(PR_StandardOutput);
@@ -46,89 +46,99 @@ PRIntn main(PRIntn argc, char **argv)
 
     while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
     {
-        if (PL_OPT_BAD == os) continue;
+        if (PL_OPT_BAD == os) {
+            continue;
+        }
         switch (opt->option)
         {
-		case 0:  /* it's the filename */
-			filename = opt->value;
-			break;
-        case 'n':  /* bytes before end of file */
-            seek = atoi(opt->value);
-            break;
-        case 't':  /* dally time */
-            time = atoi(opt->value);
-            break;
-        case 'f':  /* follow the end of file */
-            follow = PR_TRUE;
-            break;
-        case 'h':  /* user wants some guidance */
-            Help();  /* so give him an earful */
-            return 2;  /* but not a lot else */
-            break;
-         default:
-            break;
+            case 0:  /* it's the filename */
+                filename = opt->value;
+                break;
+            case 'n':  /* bytes before end of file */
+                seek = atoi(opt->value);
+                break;
+            case 't':  /* dally time */
+                time = atoi(opt->value);
+                break;
+            case 'f':  /* follow the end of file */
+                follow = PR_TRUE;
+                break;
+            case 'h':  /* user wants some guidance */
+                Help();  /* so give him an earful */
+                return 2;  /* but not a lot else */
+                break;
+            default:
+                break;
         }
     }
     PL_DestroyOptState(opt);
 
-	if (0 == time) time = 1000;
-	dally = PR_MillisecondsToInterval(time);
+    if (0 == time) {
+        time = 1000;
+    }
+    dally = PR_MillisecondsToInterval(time);
 
     if (NULL == filename)
     {
         (void)PR_fprintf(out, "Input file not specified\n");
         rv = 1; goto done;
     }
-	file = PR_Open(filename, PR_RDONLY, 0);
-	if (NULL == file)
-	{
-		PL_FPrintError(err, "File cannot be opened for reading");
-		return 1;
-	}
-
-	status = PR_GetOpenFileInfo(file, &fileInfo);
-	if (PR_FAILURE == status)
-	{
-		PL_FPrintError(err, "Cannot acquire status of file");
-		rv = 1; goto done;
-	}
-	if (seek > 0)
-	{
-	    if (seek > fileInfo.size) seek = 0;
-		position = PR_Seek(file, (fileInfo.size - seek), PR_SEEK_SET);
-		if (-1 == (PRInt32)position)
-			PL_FPrintError(err, "Cannot seek to starting position");
-	}
-
-	do
-	{
-		while (position < fileInfo.size)
-		{
-			PRInt32 read, bytes = fileInfo.size - position;
-			if (bytes > sizeof(buffer)) bytes = sizeof(buffer);
-			read = PR_Read(file, buffer, bytes);
-			if (read != bytes)
-				PL_FPrintError(err, "Cannot read to eof");
-			position += read;
-			PR_Write(out, buffer, read);
-		}
-
-		if (follow)
-		{
-			PR_Sleep(dally);
-			status = PR_GetOpenFileInfo(file, &fileInfo);
-			if (PR_FAILURE == status)
-			{
-				PL_FPrintError(err, "Cannot acquire status of file");
-				rv = 1; goto done;
-			}
-		}
-	} while (follow);
+    file = PR_Open(filename, PR_RDONLY, 0);
+    if (NULL == file)
+    {
+        PL_FPrintError(err, "File cannot be opened for reading");
+        return 1;
+    }
+
+    status = PR_GetOpenFileInfo(file, &fileInfo);
+    if (PR_FAILURE == status)
+    {
+        PL_FPrintError(err, "Cannot acquire status of file");
+        rv = 1; goto done;
+    }
+    if (seek > 0)
+    {
+        if (seek > fileInfo.size) {
+            seek = 0;
+        }
+        position = PR_Seek(file, (fileInfo.size - seek), PR_SEEK_SET);
+        if (-1 == (PRInt32)position) {
+            PL_FPrintError(err, "Cannot seek to starting position");
+        }
+    }
+
+    do
+    {
+        while (position < fileInfo.size)
+        {
+            PRInt32 read, bytes = fileInfo.size - position;
+            if (bytes > sizeof(buffer)) {
+                bytes = sizeof(buffer);
+            }
+            read = PR_Read(file, buffer, bytes);
+            if (read != bytes) {
+                PL_FPrintError(err, "Cannot read to eof");
+            }
+            position += read;
+            PR_Write(out, buffer, read);
+        }
+
+        if (follow)
+        {
+            PR_Sleep(dally);
+            status = PR_GetOpenFileInfo(file, &fileInfo);
+            if (PR_FAILURE == status)
+            {
+                PL_FPrintError(err, "Cannot acquire status of file");
+                rv = 1; goto done;
+            }
+        }
+    } while (follow);
 
 done:
-	PR_Close(file);
+    PR_Close(file);
 
-	return rv;
+    return rv;
 }  /* main */
 
 /* tail.c */
-- 
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