Signed-off-by: David Wagner <david.wag...@free-electrons.com>
---
tools/mkenvimage.c | 11 +++--------
1 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/tools/mkenvimage.c b/tools/mkenvimage.c
index b6e7f14..86a4e05 100644
--- a/tools/mkenvimage.c
+++ b/tools/mkenvimage.c
@@ -154,15 +154,9 @@ int main(int argc, char **argv)
memset(envptr, padbyte, envsize);
/* Open the input file ... */
- if (optind >= argc) {
- fprintf(stderr, "Please specify an input filename\n");
- return EXIT_FAILURE;
- }
-
- txt_filename = argv[optind];
- if (strcmp(txt_filename, "-") == 0) {
+ if (optind >= argc || strcmp(argv[optind], "-") == 0) {
int readbytes = 0;
- int readlen = sizeof(*envptr) * 2048;
+ int readlen = sizeof(*envptr) * 4096;
txt_fd = STDIN_FILENO;
do {
@@ -180,6 +174,7 @@ int main(int argc, char **argv)
} while (readbytes == readlen);
} else {
+ txt_filename = argv[optind];
txt_fd = open(txt_filename, O_RDONLY);
if (txt_fd == -1) {
fprintf(stderr, "Can't open \"%s\": %s\n",
--
1.7.7.3
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