shut up new gcc 6 warnings

byte/byte_chr.c

@@ -7,10 +7,14 @@ size_t byte_chr(const void* haystack, size_t len, char needle) {
   register const char* s=haystack;
   register const char* t=s+len;
   for (;;) {
-    if (s==t) break; if (*s==c) break; ++s;
-    if (s==t) break; if (*s==c) break; ++s;
-    if (s==t) break; if (*s==c) break; ++s;
-    if (s==t) break; if (*s==c) break; ++s;
+    if (s==t || *s==c) break;
+                              ++s;
+    if (s==t || *s==c) break;
+                              ++s;
+    if (s==t || *s==c) break;
+                              ++s;
+    if (s==t || *s==c) break;
+                              ++s;
   }
   return (size_t)(s-(const char*)haystack);
 }

byte/byte_copy.c

@@ -1,36 +1,12 @@
+#include <stdint.h>
 #include "byte.h"
 
 /* byte_copy copies in[0] to out[0], in[1] to out[1], ... and in[len-1]
  * to out[len-1]. */
 void byte_copy(void* out, size_t len, const void* in) {
-  char* s=out;
-  const char* t=in;
-#if 1
-  /* gcc 4.3.1 generates wrong code for this, so I'm switching to
-   * simpler code */
+  char* d=out;
+  const char* s=in;
   size_t i;
   for (i=0; i<len; ++i)
-    s[i]=t[i];
-#else
-  const char* u=t+len;
-  if (len>127) {
-    while ((unsigned long)s&(sizeof(unsigned long)-1)) {
-      *s=*t; ++s; ++t;
-    }
-    /* s (destination) is now unsigned long aligned */
-#ifndef __i386__
-    if (!((unsigned long)t&(sizeof(unsigned long)-1)))
-#endif
-      while (t+sizeof(unsigned long)<=u) {
-	*(unsigned long*)s=*(unsigned long*)t;
-	s+=sizeof(unsigned long); t+=sizeof(unsigned long);
-      }
-  }
-  for (;;) {
-    if (t==u) break; *s=*t; ++s; ++t;
-    if (t==u) break; *s=*t; ++s; ++t;
-    if (t==u) break; *s=*t; ++s; ++t;
-    if (t==u) break; *s=*t; ++s; ++t;
-  }
-#endif
+    d[i]=s[i];
 }

byte/byte_copyr.c

@@ -7,9 +7,13 @@ void byte_copyr(void* out, size_t len, const void* in) {
   register const char* t=in;
   register const char* u=t+len;
   for (;;) {
-    if (t>=u) break; --u; --s; *s=*u;
-    if (t>=u) break; --u; --s; *s=*u;
-    if (t>=u) break; --u; --s; *s=*u;
-    if (t>=u) break; --u; --s; *s=*u;
+    if (t>=u) break;
+                     --u; --s; *s=*u;
+    if (t>=u) break;
+                     --u; --s; *s=*u;
+    if (t>=u) break;
+                     --u; --s; *s=*u;
+    if (t>=u) break;
+                     --u; --s; *s=*u;
   }
 }

byte/byte_zero.c

@@ -1,22 +1,15 @@
 #include "byte.h"
+#include <string.h>
 
 /* byte_zero sets the bytes out[0], out[1], ..., out[len-1] to 0 */
 void byte_zero(void* out, size_t len) {
-#if 1
-  /* gcc 4.3.1 generates wrong code for this, so I'm switching to
-   * simpler code */
+  /* instead of doing this ourselves, defer to the hopefully amazingly
+   * optimized memset from libc */
+  memset(out,0,len);
+#if 0
   register char* s=out;
   size_t i;
   for (i=0; i<len; ++i)
     s[i]=0;
-#else
-  register char* s=out;
-  register const char* t=s+len;
-  for (;;) {
-    if (s==t) break; *s=0; ++s;
-    if (s==t) break; *s=0; ++s;
-    if (s==t) break; *s=0; ++s;
-    if (s==t) break; *s=0; ++s;
-  }
 #endif
 }

dns/dns_packet.c

@@ -43,24 +43,29 @@ unsigned int dns_packet_getname(const char *buf,unsigned int len,unsigned int po
   unsigned int namelen = 0;
 
   for (;;) {
-    if (pos >= len) goto PROTO; ch = buf[pos++];
+    if (pos >= len) goto PROTO;
+    ch = buf[pos++];
     if (++loop >= 1000) goto PROTO;
 
     if (state) {
-      if (namelen + 1 > sizeof name) goto PROTO; name[namelen++] = ch;
+      if (namelen + 1 > sizeof name) goto PROTO;
+      name[namelen++] = ch;
       --state;
     }
     else {
       while (ch >= 192) {
 	where = ch; where -= 192; where <<= 8;
-	if (pos >= len) goto PROTO; ch = buf[pos++];
+	if (pos >= len) goto PROTO;
+	ch = buf[pos++];
 	if (!firstcompress) firstcompress = pos;
 	pos = where + ch;
-	if (pos >= len) goto PROTO; ch = buf[pos++];
+	if (pos >= len) goto PROTO;
+	ch = buf[pos++];
 	if (++loop >= 1000) goto PROTO;
       }
       if (ch >= 64) goto PROTO;
-      if (namelen + 1 > sizeof name) goto PROTO; name[namelen++] = ch;
+      if (namelen + 1 > sizeof name) goto PROTO;
+      name[namelen++] = ch;
       if (!ch) break;
       state = ch;
     }

fmt/fmt_str.c

@@ -4,10 +4,21 @@ size_t fmt_str(char *out,const char *in) {
   register char* s=out;
   register const char* t=in;
   for (;;) {
-    if (!*t) break; if (s) { *s=*t; ++s; } ++t;
-    if (!*t) break; if (s) { *s=*t; ++s; } ++t;
-    if (!*t) break; if (s) { *s=*t; ++s; } ++t;
-    if (!*t) break; if (s) { *s=*t; ++s; } ++t;
+    if (!*t) break;
+                    if (s) { *s=*t; ++s; }
+                                           ++t;
+
+    if (!*t) break;
+                    if (s) { *s=*t; ++s; }
+                                           ++t;
+
+    if (!*t) break;
+                    if (s) { *s=*t; ++s; }
+                                           ++t;
+
+    if (!*t) break;
+                    if (s) { *s=*t; ++s; }
+                                           ++t;
   }
   return (size_t)(t-in);
 }

fmt/fmt_varint.c

@@ -8,6 +8,10 @@ size_t fmt_varint(char* dest,unsigned long long l) {
   for (i=0; l; ++i, l>>=7) {
     if (dest) dest[i]=(l&0x7f) | ((!!(l&~0x7f))<<7);
   }
+  if (!i) {	/* l was 0 */
+    if (dest) dest[0]=0;
+    ++i;
+  }
   return i;
 }
 

scan/scan_httpdate.c

@@ -13,9 +13,11 @@ extern char** environ;
 static int parsetime(const char*c,struct tm* x) {
   unsigned long tmp;
   c+=scan_ulong(c,&tmp); x->tm_hour=(int)tmp;
-  if (*c!=':') return -1; ++c;
+  if (*c!=':') return -1;
+  ++c;
   c+=scan_ulong(c,&tmp); x->tm_min=(int)tmp;
-  if (*c!=':') return -1; ++c;
+  if (*c!=':') return -1;
+  ++c;
   c+=scan_ulong(c,&tmp); x->tm_sec=(int)tmp;
   if (*c!=' ') return -1;
   return 0;

scan/scan_iso8601.c

@@ -17,12 +17,18 @@ size_t scan_iso8601(const char* in,struct timespec* t) {
   unsigned long tmp;
   size_t i;
   if (!(c=in)) return 0;
-  if ((i=scan_ulong(c,&tmp))<4 || c[i]!='-') return 0; c+=i+1; x.tm_year=(int)(tmp-1900);
-  if (scan_ulong(c,&tmp)!=2 || c[2]!='-') return 0; c+=3; x.tm_mon=(int)(tmp-1);
-  if (scan_ulong(c,&tmp)!=2 || c[2]!='T') return 0; c+=3; x.tm_mday=(int)tmp;
-  if (scan_ulong(c,&tmp)!=2 || c[2]!=':') return 0; c+=3; x.tm_hour=(int)tmp;
-  if (scan_ulong(c,&tmp)!=2 || c[2]!=':') return 0; c+=3; x.tm_min=(int)tmp;
-  if (scan_ulong(c,&tmp)!=2) return 0; c+=2; x.tm_sec=(int)tmp;
+  if ((i=scan_ulong(c,&tmp))<4 || c[i]!='-') return 0;
+                                                       c+=i+1; x.tm_year=(int)(tmp-1900);
+  if (scan_ulong(c,&tmp)!=2 || c[2]!='-') return 0;
+                                                    c+=3; x.tm_mon=(int)(tmp-1);
+  if (scan_ulong(c,&tmp)!=2 || c[2]!='T') return 0;
+                                                    c+=3; x.tm_mday=(int)tmp;
+  if (scan_ulong(c,&tmp)!=2 || c[2]!=':') return 0;
+                                                    c+=3; x.tm_hour=(int)tmp;
+  if (scan_ulong(c,&tmp)!=2 || c[2]!=':') return 0;
+                                                    c+=3; x.tm_min=(int)tmp;
+  if (scan_ulong(c,&tmp)!=2) return 0;
+                                       c+=2; x.tm_sec=(int)tmp;
   if (*c=='.') {
     ++c;
     i=scan_ulong(c,&tmp);
@@ -38,7 +44,11 @@ size_t scan_iso8601(const char* in,struct timespec* t) {
     }
   }
 
+#ifdef __MINGW32__
+  x.tm_wday=x.tm_yday=x.tm_isdst=0;
+#else
   x.tm_wday=x.tm_yday=x.tm_isdst=x.tm_gmtoff=0;
+#endif
 #if defined(__dietlibc__) || defined(__GLIBC__)
   t->tv_sec=timegm(&x);
 #elif defined(__MINGW32__)
@@ -63,7 +73,8 @@ size_t scan_iso8601(const char* in,struct timespec* t) {
   if (*c=='+' || *c=='-') {
     int signum = (*c=='-') - (*c=='+');
     ++c;
-    if (scan_ulong(c,&tmp)!=4) return 0; c+=4;
+    if (scan_ulong(c,&tmp)!=4) return 0;
+    c+=4;
     t->tv_sec+=signum*60*(int)(tmp/100)*60+(int)(tmp%100);
   } else if (*c=='Z')
     ++c;

socket/scan_ip4.c

@@ -12,7 +12,8 @@ size_t scan_ip4(const char *s,char ip[4])
     len+=(j=scan_ulong(s,&u))+1;
     if (!j || u>255) return 0;
     ip[i]=(char)u; s+=j;
-    if (i<3 && *s!='.') return 0; ++s;
+    if (i<3 && *s!='.') return 0;
+    ++s;
   }
   return len-1;
 }

str/str_chr.c

@@ -4,10 +4,14 @@ size_t str_chr(const char *in, char needle) {
   register const char* t=in;
   register const char c=needle;
   for (;;) {
-    if (!*t || *t==c) break; ++t;
-    if (!*t || *t==c) break; ++t;
-    if (!*t || *t==c) break; ++t;
-    if (!*t || *t==c) break; ++t;
+    if (!*t || *t==c) break;
+                             ++t;
+    if (!*t || *t==c) break;
+                             ++t;
+    if (!*t || *t==c) break;
+                             ++t;
+    if (!*t || *t==c) break;
+                             ++t;
   }
   return (size_t)(t-in);
 }

str/str_copy.c

@@ -4,10 +4,14 @@ size_t str_copy(char *out,const char *in) {
   register char* s=out;
   register const char* t=in;
   for (;;) {
-    if (!(*s=*t)) break; ++s; ++t;
-    if (!(*s=*t)) break; ++s; ++t;
-    if (!(*s=*t)) break; ++s; ++t;
-    if (!(*s=*t)) break; ++s; ++t;
+    if (!(*s=*t)) break;
+                         ++s; ++t;
+    if (!(*s=*t)) break;
+                         ++s; ++t;
+    if (!(*s=*t)) break;
+                         ++s; ++t;
+    if (!(*s=*t)) break;
+                         ++s; ++t;
   }
   return (size_t)(s-out);
 }

str/str_diff.c

@@ -10,10 +10,14 @@ int str_diff(const char* a, const char* b) {
   register const unsigned char* t=(const unsigned char*)b;
   register int j;
   for (;;) {
-    if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
-    if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
-    if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
-    if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
+    if ((j=(*s-*t)) || !*t) break;
+                                   ++s; ++t;
+    if ((j=(*s-*t)) || !*t) break;
+                                   ++s; ++t;
+    if ((j=(*s-*t)) || !*t) break;
+                                   ++s; ++t;
+    if ((j=(*s-*t)) || !*t) break;
+                                   ++s; ++t;
   }
   return j;
 }

str/str_diffn.c

@@ -12,10 +12,14 @@ int str_diffn(const char* a, const char* b, size_t limit) {
   register int j;
   j=0;
   for (;;) {
-    if (t>=u) break; if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
-    if (t>=u) break; if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
-    if (t>=u) break; if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
-    if (t>=u) break; if ((j=(*s-*t))) break; if (!*t) break; ++s; ++t;
+    if (t>=u || (j=(*s-*t)) || !*t) break;
+                                           ++s; ++t;
+    if (t>=u || (j=(*s-*t)) || !*t) break;
+                                           ++s; ++t;
+    if (t>=u || (j=(*s-*t)) || !*t) break;
+                                           ++s; ++t;
+    if (t>=u || (j=(*s-*t)) || !*t) break;
+                                           ++s; ++t;
   }
   return j;
 }

str/str_len.c

@@ -4,10 +4,14 @@
 size_t str_len(const char* in) {
   register const char* t=in;
   for (;;) {
-    if (!*t) break; ++t;
-    if (!*t) break; ++t;
-    if (!*t) break; ++t;
-    if (!*t) break; ++t;
+    if (!*t) break;
+                    ++t;
+    if (!*t) break;
+                    ++t;
+    if (!*t) break;
+                    ++t;
+    if (!*t) break;
+                    ++t;
   }
   return (size_t)(t-in);
 }

str/str_rchr.c

@@ -5,10 +5,21 @@ size_t str_rchr(const char *in, char needle) {
   register const char c=needle;
   register const char* found=0;
   for (;;) {
-    if (!*t) break; if (*t==c) found=t; ++t;
-    if (!*t) break; if (*t==c) found=t; ++t;
-    if (!*t) break; if (*t==c) found=t; ++t;
-    if (!*t) break; if (*t==c) found=t; ++t;
+    if (!*t) break;
+                    if (*t==c) found=t;
+                                        ++t;
+
+    if (!*t) break;
+                    if (*t==c) found=t;
+                                        ++t;
+
+    if (!*t) break;
+                    if (*t==c) found=t;
+                                        ++t;
+
+    if (!*t) break;
+                    if (*t==c) found=t;
+                                        ++t;
   }
   return (size_t)((found?found:t)-in);
 }

str/str_start.c

@@ -5,10 +5,18 @@ int str_start(const char* a, const char* b) {
   register const char* s=a;
   register const char* t=b;
   for (;;) {
-    if (!*t) return 1; if (*s!=*t) break; ++s; ++t;
-    if (!*t) return 1; if (*s!=*t) break; ++s; ++t;
-    if (!*t) return 1; if (*s!=*t) break; ++s; ++t;
-    if (!*t) return 1; if (*s!=*t) break; ++s; ++t;
+    if (!*t) return 1;
+                       if (*s!=*t) break;
+                                          ++s; ++t;
+    if (!*t) return 1;
+                       if (*s!=*t) break;
+                                          ++s; ++t;
+    if (!*t) return 1;
+                       if (*s!=*t) break;
+                                          ++s; ++t;
+    if (!*t) return 1;
+                       if (*s!=*t) break;
+                                          ++s; ++t;
   }
   return 0;
 }

stralloc/stralloc_diff.c

@@ -6,7 +6,8 @@ extern int stralloc_diff(const stralloc* a,const stralloc* b) {
   register size_t i;
   register int j;
   for (i=0;;++i) {
-    if (i==a->len) return i==b->len?0:-1; if (i==b->len) return 1;
+    if (i==a->len) return i==b->len?0:-1;
+    if (i==b->len) return 1;
     if ((j=((unsigned char)(a->s[i])-(unsigned char)(b->s[i])))) return j;
   }
   return j;

stralloc/stralloc_diffs.c

@@ -6,7 +6,8 @@ extern int stralloc_diffs(const stralloc* a,const char* b) {
   register size_t i;
   register int j;
   for (i=0;;++i) {
-    if (i==a->len) return (!b[i])?0:-1; if (!b[i]) return 1;
+    if (i==a->len) return (!b[i])?0:-1;
+    if (!b[i]) return 1;
     if ((j=((unsigned char)(a->s[i])-(unsigned char)(b[i])))) return j;
   }
   return j;

textcode/fmt_ldapescape.c

@@ -16,7 +16,8 @@ size_t fmt_ldapescape(char* dest,const char* src,size_t len) {
       }
       written+=3;
     } else {
-      if (dest) dest[written]=s[i]; ++written;
+      if (dest) dest[written]=s[i];
+      ++written;
     }
     /* in case someone gives us malicious input */
     if (written>((size_t)-1)/2) return (size_t)-1;

textcode/fmt_ldapescape2.c

@@ -15,7 +15,8 @@ size_t fmt_ldapescape2(char* dest,const char* src,size_t len,const char* escapem
       }
       written+=3;
     } else {
-      if (dest) dest[written]=s[i]; ++written;
+      if (dest) dest[written]=s[i];
+      ++written;
     }
     /* in case someone gives us malicious input */
     if (written>((size_t)-1)/2) return (size_t)-1;

textcode/fmt_quotedprintable.c

@@ -15,7 +15,8 @@ size_t fmt_quotedprintable2(char* dest,const char* src,size_t len,const char* es
       }
       written+=3;
     } else {
-      if (dest) dest[written]=s[i]; ++written;
+      if (dest) dest[written]=s[i];
+      ++written;
     }
     /* in case someone gives us malicious input */
     if (written>((size_t)-1)/2) return (size_t)-1;

textcode/fmt_urlencoded.c

@@ -23,7 +23,8 @@ size_t fmt_urlencoded2(char* dest,const char* src,size_t len,const char* escapem
       }
       written+=3;
     } else {
-      if (dest) dest[written]=s[i]; ++written;
+      if (dest) dest[written]=s[i];
+      ++written;
     }
     /* in case someone gives us malicious input */
     if (written>((size_t)-1)/2) return (size_t)-1;

textcode/fmt_uuencoded.c

@@ -16,7 +16,8 @@ size_t fmt_uuencoded(char* dest,const char* src,size_t len) {
     {
       register unsigned int diff;
       if (len>45) { i=15; diff=45; } else { i=(len+2)/3; diff=len; }
-      if (orig) *dest=enc(diff); ++dest;
+      if (orig) *dest=enc(diff);
+      ++dest;
       len-=diff;
     }
     for (; i; --i) {
@@ -31,7 +32,8 @@ size_t fmt_uuencoded(char* dest,const char* src,size_t len) {
       }
       dest+=4; s+=3;
     }
-    if (orig) *dest='\n'; ++dest;
+    if (orig) *dest='\n';
+    ++dest;
   }
   return dest-orig;
 }

textcode/fmt_yenc.c

@@ -10,7 +10,8 @@ size_t fmt_yenc(char* dest,const char* src,size_t len) {
     switch (c) {
     case ' ':	/* escape space at line ending */
       if (linelen==253) {
-	if (dest) dest[written]='\n'; ++written; linelen=0;
+	if (dest) dest[written]='\n';
+	++written; linelen=0;
       }
       goto dontescape;
     case 'F':	/* escape "^From " */
@@ -22,22 +23,26 @@ size_t fmt_yenc(char* dest,const char* src,size_t len) {
     case '\n':
     case '\r':
     case '=':
-      if (dest) dest[written]='='; ++written;
+      if (dest) dest[written]='=';
+      ++written;
       c+=64;
       /* fall through */
     default:
 dontescape:
       ++linelen;
-      if (dest) dest[written]=c; ++written;
+      if (dest) dest[written]=c;
+      ++written;
       if (linelen>253) {
-	if (dest) dest[written]='\n'; ++written; linelen=0;
+	if (dest) dest[written]='\n';
+	++written; linelen=0;
       }
     }
     /* in case someone gives us malicious input */
     if (written>((size_t)-1)/2) return (size_t)-1;
   }
   if (linelen) {
-    if (dest) dest[written]='\n'; ++written;
+    if (dest) dest[written]='\n';
+    ++written;
   }
   return written;
 }

textcode/scan_uuencoded.c

@@ -5,7 +5,8 @@ size_t scan_uuencoded(const char *src,char *dest,size_t *destlen) {
   size_t tmp;
   register const unsigned char* s=(const unsigned char*) src;
   const char* orig=dest;
-  if ((len=*s-' ')>64) return 0; len&=63;
+  if ((len=*s-' ')>64) return 0;
+  len&=63;
   ++s;
   while (len>0) {
     if (s[0]-' '>64 || s[1]-' '>64 || s[2]-' '>64 || s[3]-' '>64) return 0;