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-rw-r--r--builtin-grep.c2
-rw-r--r--builtin-pack-objects.c2
-rw-r--r--builtin-rev-list.c2
-rw-r--r--bundle.c2
-rw-r--r--server-info.c2
-rw-r--r--transport.c2
6 files changed, 6 insertions, 6 deletions
diff --git a/builtin-grep.c b/builtin-grep.c
index f1ff8dc556..0d6cc7361f 100644
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -644,7 +644,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
die("'%s': %s", argv[1], strerror(errno));
while (fgets(buf, sizeof(buf), patterns)) {
int len = strlen(buf);
- if (buf[len-1] == '\n')
+ if (len && buf[len-1] == '\n')
buf[len-1] = 0;
/* ignore empty line like grep does */
if (!buf[0])
diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index e0ce114be7..a39cb82c9b 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -2013,7 +2013,7 @@ static void get_object_list(int ac, const char **av)
while (fgets(line, sizeof(line), stdin) != NULL) {
int len = strlen(line);
- if (line[len - 1] == '\n')
+ if (len && line[len - 1] == '\n')
line[--len] = 0;
if (!len)
break;
diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index 1cb5f67119..de80158fd4 100644
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -520,7 +520,7 @@ static void read_revisions_from_stdin(struct rev_info *revs)
while (fgets(line, sizeof(line), stdin) != NULL) {
int len = strlen(line);
- if (line[len - 1] == '\n')
+ if (len && line[len - 1] == '\n')
line[--len] = 0;
if (!len)
break;
diff --git a/bundle.c b/bundle.c
index 9b9b9166df..be204d8a22 100644
--- a/bundle.c
+++ b/bundle.c
@@ -48,7 +48,7 @@ int read_bundle_header(const char *path, struct bundle_header *header)
: &header->references;
char delim;
- if (buffer[len - 1] == '\n')
+ if (len && buffer[len - 1] == '\n')
buffer[len - 1] = '\0';
if (get_sha1_hex(buffer + offset, sha1)) {
warning("unrecognized header: %s", buffer);
diff --git a/server-info.c b/server-info.c
index a051e49a9e..c1c073b2f0 100644
--- a/server-info.c
+++ b/server-info.c
@@ -101,7 +101,7 @@ static int read_pack_info_file(const char *infofile)
while (fgets(line, sizeof(line), fp)) {
int len = strlen(line);
- if (line[len-1] == '\n')
+ if (len && line[len-1] == '\n')
line[--len] = 0;
if (!len)
diff --git a/transport.c b/transport.c
index 4e151a9e87..babaa21398 100644
--- a/transport.c
+++ b/transport.c
@@ -118,7 +118,7 @@ static void insert_packed_refs(const char *packed_refs, struct ref **list)
if (hexval(buffer[0]) > 0xf)
continue;
len = strlen(buffer);
- if (buffer[len - 1] == '\n')
+ if (len && buffer[len - 1] == '\n')
buffer[--len] = '\0';
if (len < 41)
continue;