add open_read_close() and similar stuff

modutils/insmod.c

@@ -4186,10 +4186,10 @@ int insmod_main( int argc, char **argv)
 	m_addr = create_module(m_name, m_size);
 	if (m_addr == -1) switch (errno) {
 		case EEXIST:
-			bb_error_msg("A module named %s already exists", m_name);
+			bb_error_msg("a module named %s already exists", m_name);
 			goto out;
 		case ENOMEM:
-			bb_error_msg("Can't allocate kernel memory for module; needed %lu bytes",
+			bb_error_msg("can't allocate kernel memory for module; needed %lu bytes",
 					m_size);
 			goto out;
 		default:

modutils/lsmod.c

@@ -147,9 +147,8 @@ int lsmod_main(int argc, char **argv)
 	check_tainted();
 #if defined(CONFIG_FEATURE_LSMOD_PRETTY_2_6_OUTPUT)
 	{
-		char line[4096];
-
-		while (fgets(line, sizeof(line), file)) {
+		char *line;
+		while ((line = xmalloc_fgets(file)) != NULL) {
 			char *tok;
 
 			tok = strtok(line, " \t");
@@ -175,7 +174,8 @@ int lsmod_main(int argc, char **argv)
 					tok = "";
 					printf(" %s", tok);
 			}
-			printf("\n");
+			puts("");
+			free(line);
 		}
 		fclose(file);
 	}

modutils/modprobe.c

@@ -93,35 +93,6 @@ static int parse_tag_value ( char *buffer, char **ptag, char **pvalue )
 	return 1;
 }
 
-/* Jump through hoops to simulate how fgets() grabs just one line at a
- * time... Don't use any stdio since modprobe gets called from a kernel
- * thread and stdio junk can overflow the limited stack...
- */
-static char *reads ( int fd, char *buffer, size_t len )
-{
-	int n = read ( fd, buffer, len );
-
-	if ( n > 0 ) {
-		char *p;
-
-		buffer [len-1] = 0;
-		p = strchr ( buffer, '\n' );
-
-		if ( p ) {
-			off_t offset;
-
-			offset = lseek ( fd, 0L, SEEK_CUR );               // Get the current file descriptor offset
-			lseek ( fd, offset-n + (p-buffer) + 1, SEEK_SET ); // Set the file descriptor offset to right after the \n
-
-			p[1] = 0;
-		}
-		return buffer;
-	}
-
-	else
-		return 0;
-}
-
 /*
  * This function appends an option to a list
  */
@@ -913,7 +884,7 @@ int modprobe_main(int argc, char** argv)
 	depend = build_dep ( );
 
 	if ( !depend )
-		bb_error_msg_and_die ( "could not parse modules.dep" );
+		bb_error_msg_and_die ( "cannot parse modules.dep" );
 
 	if (remove_opt) {
 		do {