remove compiler warnings

byte/byte_chr.c

@@ -12,5 +12,5 @@ size_t byte_chr(const void* haystack, size_t len, char needle) {
     if (s==t) break; if (*s==c) break; ++s;
     if (s==t) break; if (*s==c) break; ++s;
   }
-  return s-(const char*)haystack;
+  return (size_t)(s-(const char*)haystack);
 }

byte/byte_rchr.c

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

fmt/fmt_8long.c

@@ -6,7 +6,7 @@ size_t fmt_8long(char *dest,unsigned long i) {
   for (len=1, tmp=i; tmp>7; ++len) tmp>>=3;
   if (dest)
     for (tmp=i, dest+=len; ; ) {
-      *--dest = (tmp&7)+'0';
+      *--dest = (char)((tmp&7)+'0');
       if (!(tmp>>=3)) break;
     }
   return len;

fmt/fmt_8longlong.c

@@ -7,7 +7,7 @@ size_t fmt_8longlong(char *dest,unsigned long long i) {
   for (len=1, tmp=i; tmp>7; ++len) tmp>>=3;
   if (dest)
     for (tmp=i, dest+=len; ; ) {
-      *--dest = (tmp&7)+'0';
+      *--dest = (char)((tmp&7)+'0');
       if (!(tmp>>=3)) break;
     }
   return len;

fmt/fmt_asn1derlength.c

@@ -13,11 +13,11 @@ size_t fmt_asn1derlength(char* dest,unsigned long long l) {
     if (!(l>>(i*8)))
       break;
   if (dest) {
-    int j=i;
-    *dest=0x80+i; ++dest;
+    size_t j=i;
+    *dest=(char)(0x80+i); ++dest;
     while (j) {
       --j;
-      *dest=((l>>(j*8))&0xff);
+      *dest=(char)((l>>(j*8))&0xff);
       ++dest;
     }
   }

fmt/fmt_asn1dertag.c

@@ -8,7 +8,7 @@ size_t fmt_asn1dertag(char* dest,unsigned long long l) {
   unsigned long long t;
   for (t=l, n=1; t>0x7f; t>>=7) ++n;
   for (i=0; i<n; ++i) {
-    if (dest) dest[n-i-1]=((i!=0)<<7) | (l&0x7f);
+    if (dest) dest[n-i-1]=(char)(((i!=0)<<7) | (char)(l&0x7f));
     l>>=7;
   }
   return i;

fmt/fmt_escapecharc.c

@@ -1,9 +1,9 @@
 #include "fmt.h"
 
 static void fmt_oct3(char* dest,uint8_t w) {
-  dest[2]=(w&7)+'0'; w>>=3;
-  dest[1]=(w&7)+'0'; w>>=3;
-  dest[0]=(w&7)+'0';
+  dest[2]=(char)((w&7)+'0'); w>>=3;
+  dest[1]=(char)((w&7)+'0'); w>>=3;
+  dest[0]=(char)((w&7)+'0');
 }
 
 size_t fmt_escapecharc(char* dest,uint32_t ch) {

fmt/fmt_escapecharjson.c

@@ -22,7 +22,7 @@ size_t fmt_escapecharjson(char* dest,uint32_t ch) {
 simple:
     if (dest) {
       dest[0]='\\';
-      dest[1]=ch;
+      dest[1]=(char)ch;
     }
     return 2;
   }
@@ -31,7 +31,7 @@ simple:
     if (dest) {
       dest[0]='\\';
       dest[1]='u';
-      fmt_hex4(dest+2,0xd800 | (((ch-0x10000)>>10)&0x3ff));
+      fmt_hex4(dest+2,(uint16_t)(0xd800 | (((ch-0x10000)>>10)&0x3ff)));
       dest+=6;
     }
     ch=(ch&0x3ff)|0xdc00;
@@ -41,7 +41,7 @@ simple:
   if (dest) {
     dest[0]='\\';
     dest[1]='u';
-    fmt_hex4(dest+2,ch);
+    fmt_hex4(dest+2,(uint16_t)ch);
   }
   return n+6;
 }

fmt/fmt_fill.c

@@ -19,5 +19,5 @@ size_t fmt_fill(char* dest,size_t srclen,size_t padlen,size_t maxlen) {
     if (dest>max) break;
     *dest=' '; ++dest;
   }
-  return dest-olddest;
+  return (size_t)(dest-olddest);
 }

fmt/fmt_httpdate.c

@@ -3,8 +3,8 @@
 #include <time.h>
 
 static unsigned int fmt_2digits(char* dest,int i) {
-  dest[0]=(i/10)+'0';
-  dest[1]=(i%10)+'0';
+  dest[0]=(char)((i/10)+'0');
+  dest[1]=(char)((i%10)+'0');
   return 2;
 }
 

fmt/fmt_human.c

@@ -2,7 +2,7 @@
 
 size_t fmt_human(char* dest,unsigned long long l) {
   char unit;
-  int i;
+  size_t i;
   if (l<1000) return fmt_ulong(dest,l);
   if (l>1000000000000ull) {
     /* dang!  overflow! */
@@ -22,7 +22,7 @@ size_t fmt_human(char* dest,unsigned long long l) {
   if (!dest) return fmt_ulong(0,l)+2;
   i=fmt_ulong(dest,l/10);
   dest[i]='.';
-  dest[i+1]=(l%10)+'0';
+  dest[i+1]=(char)((l%10)+'0');
   dest[i+2]=unit;
   return i+3;
 }

fmt/fmt_humank.c

@@ -20,7 +20,7 @@ size_t fmt_humank(char* dest,unsigned long long l) {
   if (!dest) return fmt_ulong(0,l)+2;
   i=fmt_ulong(dest,l/10);
   dest[i]='.';
-  dest[i+1]=(l%10)+'0';
+  dest[i+1]=(char)((l%10)+'0');
   dest[i+2]=unit;
   return i+3;
 }

fmt/fmt_long.c

@@ -3,7 +3,7 @@
 size_t fmt_long(char *dest,long int i) {
   if (i<0) {
     if (dest) *dest++='-';
-    return fmt_ulong(dest,-i)+1;
+    return fmt_ulong(dest,(unsigned long)-i)+1;
   } else
-    return fmt_ulong(dest,i);
+    return fmt_ulong(dest,(unsigned long)i);
 }

fmt/fmt_pad.c

@@ -18,7 +18,7 @@ size_t fmt_pad(char* dest,const char* src,size_t srclen,size_t padlen,size_t max
     if (dest>max) break;
     *dest=' '; ++dest;
   }
-  for (todo=(long)srclen>maxlen?maxlen:srclen; todo>0; --todo) {
+  for (todo=(long)(srclen>maxlen?maxlen:srclen); todo>0; --todo) {
     if (dest>max) break;
     *dest=*src; ++dest; ++src;
   }

fmt/fmt_strn.c

@@ -10,5 +10,5 @@ size_t fmt_strn(char *out,const char *in,size_t limit) {
     if (!*t || t==u) break; if (s) { *s=*t; ++s; } ++t;
     if (!*t || t==u) break; if (s) { *s=*t; ++s; } ++t;
   }
-  return t-in;
+  return (size_t)(t-in);
 }

fmt/fmt_tohex.c

@@ -1,6 +1,6 @@
 #include "fmt.h"
 
 char fmt_tohex(char c) {
-  return c>=10?c-10+'a':c+'0';
+  return (char)(c>=10?c-10+'a':c+'0');
 }
 

fmt/fmt_ulong.c

@@ -6,6 +6,6 @@ size_t fmt_ulong(char *dest,unsigned long i) {
   for (len=1, tmp=i; tmp>9; ++len) tmp/=10;
   if (dest)
     for (tmp=i, dest+=len, len2=len+1; --len2; tmp/=10)
-      *--dest = (tmp%10)+'0';
+      *--dest = (char)((tmp%10)+'0');
   return len;
 }

fmt/fmt_ulonglong.c

@@ -7,6 +7,6 @@ size_t fmt_ulonglong(char *dest,unsigned long long int i) {
   for (len=1, tmp=i; tmp>9; ++len) tmp/=10;
   if (dest)
     for (tmp=i, dest+=len, len2=len+1; --len2; tmp/=10)
-      *--dest = (tmp%10)+'0';
+      *--dest = (char)((tmp%10)+'0');
   return len;
 }

fmt/fmt_xlong.c

@@ -2,7 +2,7 @@
 #include "haveinline.h"
 
 static inline char tohex(char c) {
-  return c>=10?c-10+'a':c+'0';
+  return (char)(c>=10?c-10+'a':c+'0');
 }
 
 size_t fmt_xlong(char *dest,unsigned long i) {

fmt/fmt_xlonglong.c

@@ -1,7 +1,7 @@
 #include "fmt.h"
 
 static inline char tohex(char c) {
-  return c>=10?c-10+'a':c+'0';
+  return (char)(c>=10?c-10+'a':c+'0');
 }
 
 size_t fmt_xlonglong(char *dest,unsigned long long i) {