Fix crash introduced by a073d63a36524453a817ab029fad5b188f46127e
when attempting to delete a variable.
Signed-off-by: Joe Hershberger <joe.hershber...@ni.com>
---
tools/env/fw_env.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 520ce3f..906ccbf 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -493,6 +493,8 @@ int fw_setenv(int argc, char *argv[])
char *val = argv[i];
size_t val_len = strlen(val);
+ if (value)
+ value[len - 1] = ' ';
value = realloc(value, len + val_len + 1);
if (!value) {
fprintf(stderr,
@@ -503,9 +505,8 @@ int fw_setenv(int argc, char *argv[])
memcpy(value + len, val, val_len);
len += val_len;
- value[len++] = ' ';
+ value[len++] = '\0';
}
- value[len - 1] = '\0';
fw_env_write(name, value);
--
1.7.11.5
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