From: Simon Ruderich <simon@ruderich.org>
Date: Fri, 7 Jun 2013 00:01:23 +0000 (+0200)
Subject: Fix a few strict compiler warnings.
X-Git-Tag: 0.1~98
X-Git-Url: https://ruderich.org/simon/gitweb/?a=commitdiff_plain;h=06f483dbeece72fa46fe43700b6e01279c92c916;p=coloredstderr%2Fcoloredstderr.git

Fix a few strict compiler warnings.
---

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index 4472689..68ef859 100644
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -119,14 +119,14 @@ static void close_fd(int fd) {
 
 /* "Action" handlers called when a file descriptor is matched. */
 
-static char *pre_string;
+static char const *pre_string;
 static size_t pre_string_size;
-static char *post_string;
+static char const *post_string;
 static size_t post_string_size;
 
 /* Load alternative pre/post strings from the environment if available, fall
  * back to default values. */
-inline static void init_pre_post_string() {
+inline static void init_pre_post_string(void) {
     pre_string = getenv(ENV_NAME_PRE_STRING);
     if (!pre_string) {
         pre_string = DEFAULT_PRE_STRING;
@@ -476,7 +476,7 @@ int execve(char const *filename, char * const argv[], char * const env[]) {
     /* Count arguments. */ \
     size_t count = 1; /* arg */ \
     va_start(ap, arg); \
-    while (va_arg(ap, const char *)) { \
+    while (va_arg(ap, char const *)) { \
         count++; \
     } \
     va_end(ap); \
diff --git a/src/debug.h b/src/debug.h
index adc0792..aebd88c 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -62,7 +62,7 @@ static void debug(char const *format, ...) {
 static void warning(char const *format, ...) {
     va_list ap;
 
-    char *home = getenv("HOME");
+    char const *home = getenv("HOME");
     if (!home) {
         return;
     }
diff --git a/tests/example.c b/tests/example.c
index b1eac98..545f3cb 100644
--- a/tests/example.c
+++ b/tests/example.c
@@ -24,6 +24,8 @@
 
 
 int main(int argc, char **argv) {
+    (void)argv;
+
     fprintf(stderr, "write to stderr: %d\n", argc);
     printf("write to stdout\n");
     fflush(stdout);
diff --git a/tests/example_vfork.c b/tests/example_vfork.c
index 35ceaf4..ed94e56 100644
--- a/tests/example_vfork.c
+++ b/tests/example_vfork.c
@@ -19,6 +19,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/types.h>
 #include <unistd.h>
 
 int main(int argc, char **argv) {