From 08ce54211ce4b8d6092321ca1b28773a680ddc45 Mon Sep 17 00:00:00 2001
From: Jannis Hoffmann <jannis@fehcom.de>
Date: Tue, 9 Jul 2024 16:05:46 +0200
Subject: Added missing function prototype signatures.

Corrected socket_broadcast name to socket_broadcast4 in socket_if.h.
Added const to fmt_str.
---
 src/alloc.c                |  7 ++++---
 src/base64.c               |  2 +-
 src/buffer.c               |  2 +-
 src/byte.c                 | 23 ++++++++++++++++-------
 src/dnsstub/dns_transmit.c |  6 +++---
 src/fmt.c                  |  2 +-
 src/getoptb.c              |  2 +-
 src/sig.c                  | 20 ++++++++++++--------
 8 files changed, 39 insertions(+), 25 deletions(-)

(limited to 'src')

diff --git a/src/alloc.c b/src/alloc.c
index cee09ac..7e4ccb4 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -17,7 +17,7 @@ static aligned realspace[SPACE / ALIGNMENT];
 #define space ((char *)realspace)
 static unsigned int avail = SPACE; /* multiple of ALIGNMENT; 0<=avail<=SPACE */
 
-/*@null@*/ /*@out@*/ char *alloc(unsigned int n)
+void *alloc(unsigned int n)
 {
   char *x;
 
@@ -38,15 +38,16 @@ static unsigned int avail = SPACE; /* multiple of ALIGNMENT; 0<=avail<=SPACE */
   return x;
 }
 
-void alloc_free(char *x)
+void alloc_free(void *x)
 {
   if (x >= space)
     if (x < space + SPACE) return; /* XXX: assuming that pointers are flat */
   free(x);
 }
 
-int alloc_re(char **x, unsigned int m, unsigned int n)
+int alloc_re(void *a, unsigned int m, unsigned int n)
 {
+  char **x = a;
   char *y;
 
   y = alloc(n);
diff --git a/src/base64.c b/src/base64.c
index 33b54e6..17847d9 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -10,7 +10,7 @@
   @brief base64 en+decoding of strings
 */
 
-static char *b64alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static const char *b64alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
 #define B64PAD '='
 
 /* returns 0 ok, 1 illegal, -1 problem */
diff --git a/src/buffer.c b/src/buffer.c
index 036b298..f094213 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -21,7 +21,7 @@ void buffer_init(buffer *s, ssize_t (*op)(), int fd, char *buf, size_t len)
   s->n = len;
 }
 
-ssize_t buffer_0_read(int fd, char *buf, size_t len)
+static ssize_t buffer_0_read(int fd, char *buf, size_t len)
 {
   if (buffer_flush(buffer_1) == -1) return -1;
   return read(fd, buf, len);
diff --git a/src/byte.c b/src/byte.c
index 51f18e1..e027f4d 100644
--- a/src/byte.c
+++ b/src/byte.c
@@ -22,8 +22,11 @@ unsigned int byte_chr(char *s, unsigned int n, int c)
   return t - s;
 }
 
-void byte_copy(char *to, unsigned int n, char *from)
+void byte_copy(void *a, unsigned int n, const void *b)
 {
+  char *to = a;
+  const char *from = b;
+
   for (;;) {
     // clang-format off
     if (!n) { return; } *to++ = *from++; --n;
@@ -34,10 +37,10 @@ void byte_copy(char *to, unsigned int n, char *from)
   }
 }
 
-void byte_copyr(char *to, unsigned int n, char *from)
+void byte_copyr(void *a, unsigned int n, const void *b)
 {
-  to += n;
-  from += n;
+  char *to = a + n;
+  const char *from = b + n;
 
   for (;;) {
     // clang-format off
@@ -49,8 +52,11 @@ void byte_copyr(char *to, unsigned int n, char *from)
   }
 }
 
-int byte_diff(char *s, unsigned int n, char *t)
+int byte_diff(const void *a, unsigned int n, const void *b)
 {
+  const char *s = a;
+  const char *t = b;
+
   for (;;) {
     // clang-format off
     if (!n) { return 0; } if (*s != *t) { break; } ++s; ++t; --n;
@@ -80,8 +86,10 @@ unsigned int byte_rchr(char *s, unsigned int n, int c)
   return u - s;
 }
 
-void byte_zero(char *s, unsigned int n)
+void byte_zero(void *v, unsigned int n)
 {
+  char *s = v;
+
   for (;;) {
     // clang-format off
     if (!n) { break; } *s++ = 0; --n;
@@ -92,8 +100,9 @@ void byte_zero(char *s, unsigned int n)
   }
 }
 
-void byte_fill(char *s, unsigned int n, int c)
+void byte_fill(void *a, unsigned int n, int c)
 {
+  char *s = a;
   char ch = c;
 
   for (;;) {
diff --git a/src/dnsstub/dns_transmit.c b/src/dnsstub/dns_transmit.c
index 96eb38c..bc37791 100644
--- a/src/dnsstub/dns_transmit.c
+++ b/src/dnsstub/dns_transmit.c
@@ -61,7 +61,7 @@ int serverfailed(const char *buf, unsigned int len)
   return 0;
 }
 
-int irrelevant(const struct dns_transmit *d, const char *buf, unsigned int len)
+static int irrelevant(const struct dns_transmit *d, const char *buf, unsigned int len)
 {
   char out[12];
   char *dn;
@@ -142,7 +142,7 @@ int randombind4(struct dns_transmit *d)
   return DNS_COM;
 }
 
-int thisudp(struct dns_transmit *d)
+static int thisudp(struct dns_transmit *d)
 {
   const char *ip;
 
@@ -210,7 +210,7 @@ int nextudp(struct dns_transmit *d)
   return thisudp(d);
 }
 
-int thistcp(struct dns_transmit *d)
+static int thistcp(struct dns_transmit *d)
 {
   struct taia now;
   const char *ip;
diff --git a/src/fmt.c b/src/fmt.c
index 77a3c93..e904bd3 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -7,7 +7,7 @@
   @brief formating differnt inputs format for output printing
 */
 
-unsigned int fmt_str(char *s, char *t)
+unsigned int fmt_str(char *s, const char *t)
 {
   unsigned int len;
   char ch;
diff --git a/src/getoptb.c b/src/getoptb.c
index 64ac8ca..e0f6118 100644
--- a/src/getoptb.c
+++ b/src/getoptb.c
@@ -15,7 +15,7 @@
 int opterr = 1;
 char *optprogname = 0;
 
-int getopt(int argc, char **argv, char *opts)
+static int getopt(int argc, char **argv, char *opts)
 {
   int c;
   char *s;
diff --git a/src/sig.c b/src/sig.c
index bf8510e..4c88143 100644
--- a/src/sig.c
+++ b/src/sig.c
@@ -18,7 +18,8 @@ void sig_alarmunblock()
 {
   sig_unblock(SIGALRM);
 }
-void sig_alarmcatch(f) void (*f)();
+
+void sig_alarmcatch(void (*f)(int))
 {
   sig_catch(SIGALRM, f);
 }
@@ -53,7 +54,7 @@ void sig_blocknone()
   sigprocmask(SIG_SETMASK, &ss, (sigset_t *)0);
 }
 
-void sig_catch(int sig, void (*f)())
+void sig_catch(int sig, void (*f)(int))
 {
   struct sigaction sa;
   sa.sa_handler = f;
@@ -90,7 +91,8 @@ void sig_childunblock()
 {
   sig_unblock(SIGCHLD);
 }
-void sig_childcatch(f) void (*f)();
+
+void sig_childcatch(void (*f)(int))
 {
   sig_catch(SIGCHLD, f);
 }
@@ -111,7 +113,8 @@ void sig_hangupunblock()
 {
   sig_unblock(SIGHUP);
 }
-void sig_hangupcatch(f) void (*f)();
+
+void sig_hangupcatch(void (*f)(int))
 {
   sig_catch(SIGHUP, f);
 }
@@ -132,7 +135,8 @@ void sig_termunblock()
 {
   sig_unblock(SIGTERM);
 }
-void sig_termcatch(f) void (*f)();
+
+void sig_termcatch(f) void (*f)(int);
 {
   sig_catch(SIGTERM, f);
 }
@@ -144,7 +148,7 @@ void sig_termdefault()
 
 int sig_term = SIGTERM;
 
-void sig_bugcatch(void (*f)())
+void sig_bugcatch(void (*f)(int))
 {
   sig_catch(SIGILL, f);
   sig_catch(SIGABRT, f);
@@ -159,7 +163,7 @@ void sig_bugcatch(void (*f)())
 #endif
 }
 
-void (*sig_defaulthandler)() = SIG_DFL;
+void (*sig_defaulthandler)(int) = SIG_DFL;
 
 void sig_miscignore()
 {
@@ -176,6 +180,6 @@ void sig_miscignore()
 #endif
 }
 
-void (*sig_ignorehandler)() = SIG_IGN;
+void (*sig_ignorehandler)(int) = SIG_IGN;
 
 int sig_cont = SIGCONT;
-- 
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