From 555206cf6041c0ab8c83f3a9860cd794a7be255c Mon Sep 17 00:00:00 2001 From: Dominique Martinet Date: Thu, 5 Apr 2018 13:58:23 +0900 Subject: Fix gcc string truncation warnings --- rootston/config.c | 5 ++++- rootston/ini.c | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) (limited to 'rootston') diff --git a/rootston/config.c b/rootston/config.c index 0883f6d4..67bf83e9 100644 --- a/rootston/config.c +++ b/rootston/config.c @@ -418,7 +418,10 @@ struct roots_config *roots_config_create_from_args(int argc, char *argv[]) { char cwd[MAXPATHLEN]; if (getcwd(cwd, sizeof(cwd)) != NULL) { char buf[MAXPATHLEN]; - snprintf(buf, MAXPATHLEN, "%s/%s", cwd, "rootston.ini"); + if (snprintf(buf, MAXPATHLEN, "%s/%s", cwd, "rootston.ini") >= MAXPATHLEN) { + wlr_log(L_ERROR, "config path too long"); + exit(1); + } config->config_path = strdup(buf); } else { wlr_log(L_ERROR, "could not get cwd"); diff --git a/rootston/ini.c b/rootston/ini.c index 56cc9ea6..f515dd38 100644 --- a/rootston/ini.c +++ b/rootston/ini.c @@ -64,7 +64,7 @@ static char* find_chars_or_comment(const char* s, const char* chars) /* Version of strncpy that ensures dest (size bytes) is null-terminated. */ static char* strncpy0(char* dest, const char* src, size_t size) { - strncpy(dest, src, size); + strncpy(dest, src, size-1); dest[size - 1] = '\0'; return dest; } -- cgit v1.2.3