cleanups in stralloc and buffer:

int -> long for sizes
    char -> unsigned char for strings

CHANGES

@@ -7,6 +7,9 @@
   add buffer_putsflush
   add stralloc_catm and stralloc_copym
   add buffer_putm and buffer_putmflush
+  cleanups in stralloc and buffer:
+    int -> long for sizes
+    char -> unsigned char for strings
 
 0.20:
   add errmsg API

buffer.h

@@ -2,10 +2,10 @@
 #define BUFFER_H
 
 typedef struct buffer {
-  char *x;        /* actual buffer space */
+  unsigned char *x;	/* actual buffer space */
-  unsigned int p; /* current position */
+  unsigned long int p;	/* current position */
-  unsigned int n; /* current size of string in buffer */
+  unsigned long int n;	/* current size of string in buffer */
-  unsigned int a; /* allocated buffer size */
+  unsigned long int a;	/* allocated buffer size */
   int fd;		/* passed as first argument to op */
   int (*op)();		/* use read(2) or write(2) */
 } buffer;
@@ -15,15 +15,15 @@ typedef struct buffer {
 #define BUFFER_INSIZE 8192
 #define BUFFER_OUTSIZE 8192
 
-void buffer_init(buffer* b,int (*op)(),int fd,char* y,unsigned int ylen);
+void buffer_init(buffer* b,int (*op)(),int fd,unsigned char* y,unsigned long int ylen);
 
 int buffer_flush(buffer* b);
-int buffer_put(buffer* b,const char* x,unsigned int len);
+int buffer_put(buffer* b,const unsigned char* x,unsigned long int len);
-int buffer_putalign(buffer* b,const char* x,unsigned int len);
+int buffer_putalign(buffer* b,const unsigned char* x,unsigned long int len);
-int buffer_putflush(buffer* b,const char* x,unsigned int len);
+int buffer_putflush(buffer* b,const unsigned char* x,unsigned long int len);
-int buffer_puts(buffer* b,const char* x);
+int buffer_puts(buffer* b,const unsigned char* x);
-int buffer_putsalign(buffer* b,const char* x);
+int buffer_putsalign(buffer* b,const unsigned char* x);
-int buffer_putsflush(buffer* b,const char* x);
+int buffer_putsflush(buffer* b,const unsigned char* x);
 
 int buffer_putm_internal(buffer*b,...);
 int buffer_putm_internal_flush(buffer*b,...);
@@ -39,27 +39,27 @@ int buffer_putnlflush(buffer* b); /* put \n and flush */
     : buffer_put((s),&(c),1) \
   )
 
-int buffer_get(buffer* b,char* x,unsigned int len);
+int buffer_get(buffer* b,unsigned char* x,unsigned long int len);
 int buffer_feed(buffer* b);
-int buffer_getc(buffer* b,char* x);
+int buffer_getc(buffer* b,unsigned char* x);
-int buffer_getn(buffer* b,char* x,unsigned int len);
+int buffer_getn(buffer* b,unsigned char* x,unsigned long int len);
 
 /* read bytes until the destination buffer is full (len bytes), end of
  * file is reached or the read char is in charset (setlen bytes).  An
  * empty line when looking for \n will write '\n' to x and return 0.  If
  * EOF is reached, \0 is written to the buffer */
-int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsigned int setlen);
+int buffer_get_token(buffer* b,unsigned char* x,unsigned long int len,const unsigned char* charset,unsigned long int setlen);
-#define buffer_getline(b,x,len) buffer_get_token((b),(x),(len),"\n",1)
+int buffer_getline(buffer* b,unsigned char* x,unsigned long int len);
 
 /* this predicate is given the string as currently read from the buffer
  * and is supposed to return 1 if the token is complete, 0 if not. */
-typedef int (*string_predicate)(const char* x,unsigned int len);
+typedef int (*string_predicate)(const unsigned char* x,unsigned long int len);
 
 /* like buffer_get_token but the token ends when your predicate says so */
-int buffer_get_token_pred(buffer* b,char* x,unsigned int len,string_predicate p);
+int buffer_get_token_pred(buffer* b,unsigned char* x,unsigned long int len,string_predicate p);
 
 char *buffer_peek(buffer* b);
-void buffer_seek(buffer* b,unsigned int len);
+void buffer_seek(buffer* b,unsigned long int len);
 
 #define buffer_PEEK(s) ( (s)->x + (s)->p )
 #define buffer_SEEK(s,len) ( (s)->p += (len) )
@@ -72,13 +72,13 @@ void buffer_seek(buffer* b,unsigned int len);
 
 int buffer_copy(buffer* out,buffer* in);
 
-int buffer_putulong(buffer *b,unsigned long l);
+int buffer_putulong(buffer *b,unsigned long int l);
-int buffer_put8long(buffer *b,unsigned long l);
+int buffer_put8long(buffer *b,unsigned long int l);
-int buffer_putxlong(buffer *b,unsigned long l);
+int buffer_putxlong(buffer *b,unsigned long int l);
-int buffer_putlong(buffer *b,signed long l);
+int buffer_putlong(buffer *b,signed long int l);
 
-int buffer_putlonglong(buffer* b,signed long long l);
+int buffer_putlonglong(buffer* b,signed long long int l);
-int buffer_putulonglong(buffer* b,unsigned long long l);
+int buffer_putulonglong(buffer* b,unsigned long long int l);
 
 int buffer_puterror(buffer* b);
 int buffer_puterror2(buffer* b, int errnum);
@@ -107,12 +107,12 @@ int buffer_putsaflush(buffer* b,stralloc* sa);
  * data is available. */
 
 /* read token from buffer to stralloc */
-int buffer_get_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned int setlen);
+int buffer_get_token_sa(buffer* b,stralloc* sa,const unsigned char* charset,unsigned long int setlen);
 /* read line from buffer to stralloc */
 int buffer_getline_sa(buffer* b,stralloc* sa);
 
 /* same as buffer_get_token_sa but empty sa first */
-int buffer_get_new_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned int setlen);
+int buffer_get_new_token_sa(buffer* b,stralloc* sa,const unsigned char* charset,unsigned long int setlen);
 /* same as buffer_getline_sa but empty sa first */
 int buffer_getnewline_sa(buffer* b,stralloc* sa);
 

buffer/buffer_get.3

@@ -4,7 +4,7 @@ buffer_get \- read binary data from buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_get\fP(buffer* \fIb\fR,char* \fIx\fR,unsigned int \fIlen\fR);
+int \fBbuffer_get\fP(buffer* \fIb\fR,unsigned char* \fIx\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 Normally buffer_get copies data to \fIx\fR[0], \fIx\fR[1], ...,
 \fIx\fR[\fIlen\fR-1] from the beginning of a string stored in

buffer/buffer_get.c

@@ -1,7 +1,7 @@
 #include "byte.h"
 #include "buffer.h"
 
-int buffer_get(buffer* b,char* x,unsigned int len) {
+int buffer_get(buffer* b,unsigned char* x,unsigned long int len) {
   int blen;
   if ((blen=buffer_feed(b))>=len)
     blen=len;

buffer/buffer_get_new_token_sa.c

@@ -1,7 +1,7 @@
 #include "stralloc.h"
 #include "buffer.h"
 
-int buffer_get_new_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned int setlen) {
+int buffer_get_new_token_sa(buffer* b,stralloc* sa,const unsigned char* charset,unsigned long int setlen) {
   stralloc_zero(sa);
   return buffer_get_token_sa(b,sa,charset,setlen);
 }

buffer/buffer_get_token.3

@@ -4,8 +4,8 @@ buffer_get_token \- read token from buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_get_token\fP(buffer* \fIb\fR,char* \fIx\fR,unsigned int \fIlen\fR,
+int \fBbuffer_get_token\fP(buffer* \fIb\fR,unsigned char* \fIx\fR,unsigned long int \fIlen\fR,
-                 const char* \fIcharset\fR,unsigned int \fIsetlen\fR);
+                 const unsigned char* \fIcharset\fR,unsigned long int \fIsetlen\fR);
 .SH DESCRIPTION
 buffer_get_token copies data from \fIb\fR to \fIx\fR[0], \fIx\fR[1], ...,
 \fIx\fR[\fIlen\fR-1] until \fIlen\fR bytes have been copied or one of

buffer/buffer_get_token.c

@@ -2,7 +2,7 @@
 #include "buffer.h"
 #include "scan.h"
 
-int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsigned int setlen) {
+int buffer_get_token(buffer* b,unsigned char* x,unsigned long int len,const unsigned char* charset,unsigned long int setlen) {
   int blen;
 
   for (blen=0;blen<len;++blen) {

buffer/buffer_get_token_pred.3

@@ -4,8 +4,8 @@ buffer_get_token_pred \- read token from buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_get_token_pred\fP(buffer* \fIb\fR,char* \fIx\fR,unsigned int \fIlen\fR,
+int \fBbuffer_get_token_pred\fP(buffer* \fIb\fR,unsigned char* \fIx\fR,unsigned long int \fIlen\fR,
-                 int (*\fIpredicate\fR)(const char* \fIs\fR,unsigned int \fIlen\fR));
+                 int (*\fIpredicate\fR)(const unsigned char* \fIs\fR,unsigned long int \fIlen\fR));
 .SH DESCRIPTION
 buffer_get_token_pred copies data from \fIb\fR to \fIx\fR[0],
 \fIx\fR[1], ..., \fIx\fR[\fIlen\fR-1] until \fIlen\fR bytes have been

buffer/buffer_get_token_pred.c

@@ -2,7 +2,8 @@
 #include "buffer.h"
 #include "scan.h"
 
-int buffer_get_token_pred(buffer* b,char* x,unsigned int len,string_predicate p) {
+int buffer_get_token_pred(buffer* b,unsigned char* x,unsigned long int len,
+			  string_predicate p) {
   int blen;
 
   for (blen=0;blen<len;++blen) {

buffer/buffer_get_token_sa.3

@@ -7,7 +7,7 @@ buffer_get_token_sa \- read token from buffer
 .B #include <buffer.h>
 
 int \fBbuffer_get_token_sa\fP(buffer* \fIb\fR,stralloc* \fIsa\fR,
-                    const char* \fIcharset\fR,unsigned int \fIsetlen\fR);
+                    const unsigned char* \fIcharset\fR,unsigned long int \fIsetlen\fR);
 .SH DESCRIPTION
 buffer_get_token_sa appends data from the \fIb\fR to \fIsa\fR until one
 of the delimiters in \fIcharset\fR is found, NOT overwriting the

buffer/buffer_get_token_sa.c

@@ -3,7 +3,9 @@
 #include "buffer.h"
 #include <errno.h>
 
-int buffer_get_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned int setlen) {
+int buffer_get_token_sa(buffer* b,stralloc* sa,
+			const unsigned char* charset,
+			unsigned long int setlen) {
   for (;;) {
     char x;
     if (!stralloc_readyplus(sa,1)) goto nomem;

buffer/buffer_getc.3

@@ -4,7 +4,7 @@ buffer_getc \- read one char from buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_getc\fP(buffer* \fIb\fR,char* \fIx\fR);
+int \fBbuffer_getc\fP(buffer* \fIb\fR,unsigned char* \fIx\fR);
 .SH DESCRIPTION
 buffer_getc(b,x) is similar to buffer_get(b,x,1).
 .SH "SEE ALSO"

buffer/buffer_getc.c

@@ -1,7 +1,7 @@
 #include "byte.h"
 #include "buffer.h"
 
-int buffer_getc(buffer* b,char* x) {
+int buffer_getc(buffer* b,unsigned char* x) {
   if (b->p==b->n) {
     register int blen;
     if ((blen=buffer_feed(b))<=0) return blen;

buffer/buffer_getline.3

@@ -4,7 +4,7 @@ buffer_getline \- read line from buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_getline\fP(buffer* \fIb\fR,char* \fIx\fR,unsigned int \fIlen\fR);
+int \fBbuffer_getline\fP(buffer* \fIb\fR,unsigned char* \fIx\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 buffer_getline copies data from \fIb\fR to \fIx\fR[0], \fIx\fR[1], ...,
 \fIx\fR[\fIlen\fR-1] until \fIlen\fR bytes have been copied or a

buffer/buffer_getn.3

@@ -4,7 +4,7 @@ buffer_getn \- read binary data from buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_getn\fP(buffer* \fIb\fR,char* \fIx\fR,unsigned int \fIlen\fR);
+int \fBbuffer_getn\fP(buffer* \fIb\fR,unsigned char* \fIx\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 buffer_getn copies data to \fIx\fR[0], \fIx\fR[1], ...,
 \fIx\fR[\fIlen\fR-1] from the buffer, calling buffer_feed as needed, and

buffer/buffer_getn.c

@@ -1,7 +1,7 @@
 #include "byte.h"
 #include "buffer.h"
 
-int buffer_getn(buffer* b,char* x,unsigned int len) {
+int buffer_getn(buffer* b,unsigned char* x,unsigned long int len) {
   int blen;
 
   for(blen=0;blen<len;++blen) {

buffer/buffer_init.3

@@ -6,7 +6,7 @@ buffer_init \- initialize buffer structure
 
 int \fBbuffer_init\fR(buffer &\fIb\fR,
                 int (*\fIop\fR)(int,char*,unsigned int),
-                int \fIfd\fR, char* \fIy\fR, unsigned int \fIylen\fR);
+                int \fIfd\fR, unsigned char* \fIy\fR, unsigned long int \fIylen\fR);
 .SH DESCRIPTION
 buffer_init prepares \fIb\fR to store a string in \fIy\fR[0], \fIy\fR[1], ...,
 \fIy\fR[\fIylen\fR-1].  Initially the string is empty.

buffer/buffer_init.c

@@ -1,6 +1,7 @@
 #include "buffer.h"
 
-void buffer_init(buffer* b,int (*op)(),int fd,char* y,unsigned int ylen) {
+void buffer_init(buffer* b,int (*op)(),int fd,
+		 unsigned char* y,unsigned long int ylen) {
   b->op=op;
   b->fd=fd;
   b->x=y;

buffer/buffer_put.3

@@ -4,7 +4,7 @@ buffer_put \- write binary data to buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_put\fP(buffer* \fIb\fR,const char* \fIx\fR,unsigned int \fIlen\fR);
+int \fBbuffer_put\fP(buffer* \fIb\fR,const unsigned char* \fIx\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 buffer_put writes \fIlen\fR bytes from \fIx\fR to \fIb\fR.
 

buffer/buffer_put.c

@@ -1,9 +1,9 @@
 #include "byte.h"
 #include "buffer.h"
 
-extern int buffer_stubborn(int (*op)(),int fd,const char* buf, unsigned int len);
+extern int buffer_stubborn(int (*op)(),int fd,const unsigned char* buf, unsigned long int len);
 
-int buffer_put(buffer* b,const char* buf,unsigned int len) {
+int buffer_put(buffer* b,const unsigned char* buf,unsigned long int len) {
   if (len>b->a-b->p) {	/* doesn't fit */
     if (buffer_flush(b)==-1) return -1;
     if (len>b->a) {

buffer/buffer_put8long.c

@@ -2,7 +2,7 @@
 #include "fmt.h"
 
 int buffer_put8long(buffer *b,unsigned long l) {
-  char buf[FMT_8LONG];
+  unsigned char buf[FMT_8LONG];
   return buffer_put(b,buf,fmt_8long(buf,l));
 }
 

buffer/buffer_putalign.3

@@ -4,7 +4,7 @@ buffer_putalign \- write binary data to buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_putalign\fP(buffer* \fIb\fR,const char* \fIx\fR,unsigned int \fIlen\fR);
+int \fBbuffer_putalign\fP(buffer* \fIb\fR,const unsigned char* \fIx\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 buffer_putalign is similar to buffer_put.
 

buffer/buffer_putalign.c

@@ -1,7 +1,7 @@
 #include "byte.h"
 #include "buffer.h"
 
-int buffer_putalign(buffer* b,const char* buf,unsigned int len) {
+int buffer_putalign(buffer* b,const unsigned char* buf,unsigned long int len) {
   int tmp;
   while (len>(tmp=b->a-b->p)) {
     byte_copy(b->x+b->p, tmp, buf);

buffer/buffer_putflush.3

@@ -5,7 +5,7 @@ buffer_putflush \- write binary data to buffer and flush
 .B #include <buffer.h>
 
 int \fBbuffer_putflush\fP(buffer* \fIb\fR,
-                    const char* \fIx\fR,unsigned int \fIlen\fR);
+                    const unsigned char* \fIx\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 buffer_putflush is similar to calling
 buffer_put(\fIb\fR,\fIx\fR,\fIlen\fR) and then buffer_flush(\fIb\fR).

buffer/buffer_putflush.c

@@ -1,6 +1,6 @@
 #include "buffer.h"
 
-int buffer_putflush(buffer* b,const char* x,unsigned int len) {
+int buffer_putflush(buffer* b,const unsigned char* x,unsigned long int len) {
   if (buffer_put(b,x,len)<0) return -1;
   if (buffer_flush(b)<0) return -1;
   return 0;

buffer/buffer_putlong.c

@@ -2,7 +2,7 @@
 #include "fmt.h"
 
 int buffer_putlong(buffer *b,signed long l) {
-  char buf[FMT_LONG];
+  unsigned char buf[FMT_LONG];
   return buffer_put(b,buf,fmt_long(buf,l));
 }
 

buffer/buffer_putlonglong.c

@@ -2,7 +2,7 @@
 #include "fmt.h"
 
 int buffer_putlonglong(buffer *b,signed long long l) {
-  char buf[FMT_LONG];
+  unsigned char buf[FMT_LONG];
   return buffer_put(b,buf,fmt_longlong(buf,l));
 }
 

buffer/buffer_putm_internal.c

@@ -6,7 +6,7 @@ int buffer_putm_internal(buffer* b, ...) {
   va_list a;
   const char* s;
   va_start(a,b);
-  while ((s=va_arg(a,const char*)))
+  while ((s=va_arg(a,const unsigned char*)))
     if (buffer_puts(b,s)==-1) {
       r=-1;
       break;

buffer/buffer_putm_internal_flush.c

@@ -6,7 +6,7 @@ int buffer_putm_internal_flush(buffer* b, ...) {
   va_list a;
   const char* s;
   va_start(a,b);
-  while ((s=va_arg(a,const char*)))
+  while ((s=va_arg(a,const unsigned char*)))
     if (buffer_puts(b,s)==-1) {
       r=-1;
       break;

buffer/buffer_puts.3

@@ -4,7 +4,7 @@ buffer_puts \- write ASCIIZ string to buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_puts\fP(buffer* \fIb\fR,const char* \fIx\fR);
+int \fBbuffer_puts\fP(buffer* \fIb\fR,const unsigned char* \fIx\fR);
 .SH DESCRIPTION
 buffer_puts is like buffer_put with \fIlen\fR determined as the number
 of bytes before the first \\0 in \fIx\fR.

buffer/buffer_puts.c

@@ -1,6 +1,6 @@
 #include "str.h"
 #include "buffer.h"
 
-int buffer_puts(buffer* b,const char* x) {
+int buffer_puts(buffer* b,const unsigned char* x) {
   return buffer_put(b,x,str_len(x));
 }

buffer/buffer_putsalign.3

@@ -4,7 +4,7 @@ buffer_putsalign \- write ASCIIZ string to buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_putsalign\fP(buffer* \fIb\fR,const char* \fIx\fR);
+int \fBbuffer_putsalign\fP(buffer* \fIb\fR,const unsigned char* \fIx\fR);
 .SH DESCRIPTION
 buffer_putsalign is like buffer_putalign with \fIlen\fR determined as
 the number of bytes before the first \\0 in \fIx\fR.

buffer/buffer_putsalign.c

@@ -1,6 +1,6 @@
 #include "str.h"
 #include "buffer.h"
 
-int buffer_putsalign(buffer* b,const char* x) {
+int buffer_putsalign(buffer* b,const unsigned char* x) {
   return buffer_putalign(b,x,str_len(x));
 }

buffer/buffer_putsflush.3

@@ -4,7 +4,7 @@ buffer_putsflush \- write ASCIIZ string to buffer and flush
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_putsflush\fP(buffer* \fIb\fR,const char* \fIx\fR);
+int \fBbuffer_putsflush\fP(buffer* \fIb\fR,const unsigned char* \fIx\fR);
 .SH DESCRIPTION
 buffer_putsflush is like buffer_putflush with \fIlen\fR determined as
 the number of bytes before the first \\0 in \fIx\fR.

buffer/buffer_putsflush.c

@@ -1,6 +1,6 @@
 #include "str.h"
 #include "buffer.h"
 
-int buffer_putsflush(buffer* b,const char* x) {
+int buffer_putsflush(buffer* b,const unsigned char* x) {
   return buffer_putflush(b,x,str_len(x));
 }

buffer/buffer_putxlong.c

@@ -2,7 +2,7 @@
 #include "fmt.h"
 
 int buffer_putxlong(buffer *b,unsigned long l) {
-  char buf[FMT_XLONG];
+  unsigned char buf[FMT_XLONG];
   return buffer_put(b,buf,fmt_xlong(buf,l));
 }
 

buffer/buffer_seek.3

@@ -4,7 +4,7 @@ buffer_seek \- remove bytes from beginning of string in buffer
 .SH SYNTAX
 .B #include <buffer.h>
 
-int \fBbuffer_seek\fP(buffer* \fIb\fR,unsigned int \fIr\fR);
+int \fBbuffer_seek\fP(buffer* \fIb\fR,unsigned long int \fIr\fR);
 .SH DESCRIPTION
 buffer_seek removes \fIr\fR bytes from the beginning of the string.
 \fIr\fR must be at most the current length of the string.

buffer/buffer_seek.c

@@ -1,7 +1,8 @@
 #include "buffer.h"
 
-void buffer_seek(buffer* b,unsigned int len) {
+void buffer_seek(buffer* b,unsigned long int len) {
-  unsigned int n=b->p+len;
+  unsigned long int n=b->p+len;
+  if (n<b->p) n=b->p;
   if (n>b->n) n=b->n;
   b->p=n;
 }

buffer/buffer_stubborn.c

@@ -1,7 +1,7 @@
 #include <errno.h>
 #include "buffer.h"
 
-int buffer_stubborn(int (*op)(),int fd,const char* buf, unsigned int len) {
+int buffer_stubborn(int (*op)(),int fd,const unsigned char* buf, unsigned long int len) {
   int w;
   while (len) {
     if ((w=op(fd,buf,len))<0) {

buffer/buffer_stubborn2.c

@@ -1,7 +1,7 @@
 #include <errno.h>
 #include "buffer.h"
 
-int buffer_stubborn_read(int (*op)(),int fd,const char* buf, unsigned int len) {
+int buffer_stubborn_read(int (*op)(),int fd,const unsigned char* buf, unsigned long int len) {
   int w;
   for (;;) {
     if ((w=op(fd,buf,len))<0)

stralloc.h

@@ -16,8 +16,8 @@
 
 typedef struct stralloc {
   char* s;
-  unsigned int len;
+  unsigned long int len;
-  unsigned int a;
+  unsigned long int a;
 } stralloc;
 
 /* stralloc_init will initialize a stralloc.
@@ -32,22 +32,22 @@ void stralloc_init(stralloc* sa);
  * bytes of space, copies the old string into the new space, frees the
  * old space, and returns 1. Note that this changes sa.s.  If the
  * allocation fails, stralloc_ready leaves sa alone and returns 0. */
-int stralloc_ready(stralloc* sa,unsigned int len);
+int stralloc_ready(stralloc* sa,unsigned long int len);
 
 /* stralloc_readyplus is like stralloc_ready except that, if sa is
  * already allocated, stralloc_readyplus adds the current length of sa
  * to len. */
-int stralloc_readyplus(stralloc* sa,unsigned int len);
+int stralloc_readyplus(stralloc* sa,unsigned long int len);
 
 /* stralloc_copyb copies the string buf[0], buf[1], ..., buf[len-1] into
  * sa, allocating space if necessary, and returns 1. If it runs out of
  * memory, stralloc_copyb leaves sa alone and returns 0. */
-int stralloc_copyb(stralloc* sa,const char* buf,unsigned int len);
+int stralloc_copyb(stralloc* sa,const unsigned char* buf,unsigned long int len);
 
 /* stralloc_copys copies a \0-terminated string from buf into sa,
  * without the \0. It is the same as
  * stralloc_copyb(&sa,buf,str_len(buf)). */
-int stralloc_copys(stralloc* sa,const char* buf);
+int stralloc_copys(stralloc* sa,const unsigned char* buf);
 
 /* stralloc_copy copies the string stored in sa2 into sa. It is the same
  * as stralloc_copyb(&sa,sa2.s,sa2.len). sa2 must already be allocated. */
@@ -58,12 +58,12 @@ int stralloc_copy(stralloc* sa,const stralloc* sa2);
  * returns 1. If sa is unallocated, stralloc_catb is the same as
  * stralloc_copyb. If it runs out of memory, stralloc_catb leaves sa
  * alone and returns 0. */
-int stralloc_catb(stralloc* sa,const char* in,unsigned int len);
+int stralloc_catb(stralloc* sa,const unsigned char* in,unsigned long int len);
 
 /* stralloc_cats is analogous to stralloc_copys */
-int stralloc_cats(stralloc* sa,const char* in);
+int stralloc_cats(stralloc* sa,const unsigned char* in);
 
-#define stralloc_zero(sa) stralloc_copys(sa,"")
+void stralloc_zero(stralloc* sa);
 
 /* like stralloc_cats but can cat more than one string at once */
 int stralloc_catm_internal(stralloc* sa,...);
@@ -76,12 +76,12 @@ int stralloc_cat(stralloc* sa,stralloc* in);
 
 /* stralloc_append adds one byte in[0] to the end of the string stored
  * in sa. It is the same as stralloc_catb(&sa,in,1). */
-int stralloc_append(stralloc* sa,const char* in); /* beware: this takes a pointer to 1 char */
+int stralloc_append(stralloc* sa,const unsigned char* in); /* beware: this takes a pointer to 1 char */
 
 /* stralloc_starts returns 1 if the \0-terminated string in "in", without
  * the terminating \0, is a prefix of the string stored in sa. Otherwise
  * it returns 0. sa must already be allocated. */
-int stralloc_starts(stralloc* sa,const char* in) __pure__;
+int stralloc_starts(stralloc* sa,const unsigned char* in) __pure__;
 
 /* stralloc_diff returns negative, 0, or positive, depending on whether
  * a is lexicographically smaller than, equal to, or greater than the
@@ -91,7 +91,7 @@ int stralloc_diff(const stralloc* a,const stralloc* b) __pure__;
 /* stralloc_diffs returns negative, 0, or positive, depending on whether
  * a is lexicographically smaller than, equal to, or greater than the
  * string b[0], b[1], ..., b[n]=='\0'. */
-int stralloc_diffs(const stralloc* a,const char* b) __pure__;
+int stralloc_diffs(const stralloc* a,const unsigned char* b) __pure__;
 
 #define stralloc_equal(a,b) (!stralloc_diff((a),(b)))
 #define stralloc_equals(a,b) (!stralloc_diffs((a),(b)))
@@ -100,10 +100,10 @@ int stralloc_diffs(const stralloc* a,const char* b) __pure__;
 #define stralloc_0(sa) stralloc_append(sa,"")
 
 /* stralloc_catulong0 appends a '0' padded ASCII representation of in */
-int stralloc_catulong0(stralloc* sa,unsigned long in,unsigned int n);
+int stralloc_catulong0(stralloc* sa,unsigned long int in,unsigned long int n);
 
 /* stralloc_catlong0 appends a '0' padded ASCII representation of in */
-int stralloc_catlong0(stralloc* sa,signed long in,unsigned int n);
+int stralloc_catlong0(stralloc* sa,signed long int in,unsigned long int n);
 
 /* stralloc_free frees the storage associated with sa */
 void stralloc_free(stralloc* sa);
@@ -137,12 +137,12 @@ int buffer_putsaflush(buffer* b,stralloc* sa);
  * data is available. */
 
 /* read token from buffer to stralloc */
-int buffer_get_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned int setlen);
+int buffer_get_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned long int setlen);
 /* read line from buffer to stralloc */
 int buffer_getline_sa(buffer* b,stralloc* sa);
 
 /* same as buffer_get_token_sa but empty sa first */
-int buffer_get_new_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned int setlen);
+int buffer_get_new_token_sa(buffer* b,stralloc* sa,const char* charset,unsigned long int setlen);
 /* same as buffer_getline_sa but empty sa first */
 int buffer_getnewline_sa(buffer* b,stralloc* sa);
 

stralloc/stralloc_0.3

@@ -9,5 +9,7 @@ int \fBstralloc_0\fP(stralloc* \fIsa\fR);
 stralloc_0 appends \\0 to a stralloc.
 
 It is a shortcut for stralloc_append(\fIsa\fR,"").
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_append(3)

stralloc/stralloc_append.3

@@ -4,7 +4,7 @@ stralloc_append \- append a character to a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_append\fP(stralloc* \fIsa\fR,const char* \fIin\fR);
+int \fBstralloc_append\fP(stralloc* \fIsa\fR,const unsigned char* \fIin\fR);
 .SH DESCRIPTION
 stralloc_append appends the byte from *\fIbuf\fR to the
 string stored in \fIsa\fR, allocating space if necessary, and
@@ -12,5 +12,7 @@ returns 1.
 
 If it runs out of memory, stralloc_append leaves \fIsa\fR alone and
 returns 0.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_copyb(3)

stralloc/stralloc_append.c

@@ -2,7 +2,7 @@
 
 /* stralloc_append adds one byte in[0] to the end of the string stored
  * in sa. It is the same as stralloc_catb(&sa,in,1). */
-int stralloc_append(stralloc *sa,const char *in) {
+int stralloc_append(stralloc *sa,const unsigned char *in) {
   if (stralloc_readyplus(sa,1)) {
     sa->s[sa->len]=*in;
     ++sa->len;

stralloc/stralloc_cat.3

@@ -12,5 +12,7 @@ is the same as
 \fIsafrom\fR must already be allocated.
 
 The data that \fIsa\fR previously contained is overwritten and truncated.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_catb(3)

stralloc/stralloc_catb.3

@@ -4,7 +4,7 @@ stralloc_catb \- append data to a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_catb\fP(stralloc* \fIsa\fR,const char* \fIbuf\fR,unsigned int \fIlen\fR);
+int \fBstralloc_catb\fP(stralloc* \fIsa\fR,const unsigned char* \fIbuf\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 stralloc_catb adds the string \fIbuf\fR[0], \fIbuf\fR[1], ... \fIbuf\fR[\fIlen\fR-1] to the
 end of the string stored in \fIsa\fR, allocating space if necessary, and
@@ -12,3 +12,5 @@ returns 1. If \fIsa\fR is unallocated, stralloc_catb is the same as
 stralloc_copyb. If it runs out of memory, stralloc_catb leaves \fIsa\fR
 alone and returns 0.
 
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.

stralloc/stralloc_catb.c

@@ -6,7 +6,7 @@
  * returns 1. If sa is unallocated, stralloc_catb is the same as
  * stralloc_copyb. If it runs out of memory, stralloc_catb leaves sa
  * alone and returns 0. */
-int stralloc_catb(stralloc *sa,const char *buf,unsigned int len) {
+int stralloc_catb(stralloc *sa,const unsigned char *buf,unsigned long int len) {
   if (stralloc_readyplus(sa,len)) {
     byte_copy(sa->s+sa->len,len,buf);
     sa->len+=len;

stralloc/stralloc_catlong0.3

@@ -4,12 +4,14 @@ stralloc_catlong0 \- append an integer to a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_catlong0\fP(stralloc* \fIsa\fR, unsigned long \fIin\fR, unsigned int \fIn\fR);
+int \fBstralloc_catlong0\fP(stralloc* \fIsa\fR, unsigned long int \fIin\fR, unsigned long int \fIn\fR);
 .SH DESCRIPTION
 stralloc_catlong0 converts in to a string using \fBfmt_long0\fR and
 appends the result to \fIsa\fR, allocating memory as necessary.
 
 If there was a memory allocation failure, stralloc_catlong0 returns 0,
 else 1.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 fmt_long0(3)

stralloc/stralloc_catlong0.c

@@ -1,7 +1,7 @@
 #include "stralloc.h"
 #include "fmt.h"
 
-int stralloc_catlong0(stralloc *sa,signed long in,unsigned int n) {
+int stralloc_catlong0(stralloc *sa,signed long int in,unsigned long int n) {
   if (stralloc_readyplus(sa,fmt_minus(0,in)+fmt_ulong0(0,in,n))) {
     sa->len+=fmt_minus(sa->s+sa->len,in);
     sa->len+=fmt_ulong0(sa->s+sa->len,in>=0?in:-in,n);

stralloc/stralloc_catm.3

@@ -4,14 +4,16 @@ stralloc_catm \- append string(s) to a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_cats\fP(stralloc* \fIsa\fR,const char* \fIs\fR, ...);
+int \fBstralloc_catm\fP(stralloc* \fIsa\fR,const unsigned char* \fIs\fR, ...);
 .SH DESCRIPTION
-stralloc_cats appends \\0-terminated strings from \fIs\fR... to the
+stralloc_catm appends \\0-terminated strings from \fIs\fR... to the
 end of the string stored in \fIsa\fR, allocating space if necessary, and
-returns 1. If \fIsa\fR is unallocated, stralloc_cats is the same as
+returns 1. If \fIsa\fR is unallocated, stralloc_catm is the same as
-stralloc_copys.
+stralloc_copym.
 
-If it runs out of memory, stralloc_cats returns 0.  At that point, it
+If it runs out of memory, stralloc_catm returns 0.  At that point, it
 may already have copied a few of the strings to sa.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
-stralloc_cats(3)
+stralloc_copym(3)

stralloc/stralloc_cats.3

@@ -4,12 +4,14 @@ stralloc_cats \- append data to a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_cats\fP(stralloc* \fIsa\fR,const char* \fIbuf\fR);
+int \fBstralloc_cats\fP(stralloc* \fIsa\fR,const unsigned char* \fIbuf\fR);
 .SH DESCRIPTION
 stralloc_cats appends a \\0-terminated string from \fIbuf\fR to the
 end of the string stored in \fIsa\fR, allocating space if necessary, and
 returns 1. If \fIsa\fR is unallocated, stralloc_cats is the same as
 stralloc_copys. If it runs out of memory, stralloc_cats leaves \fIsa\fR
 alone and returns 0.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_copyb(3)

stralloc/stralloc_cats.c

@@ -1,7 +1,7 @@
 #include "stralloc.h"
 #include "str.h"
 
-extern int stralloc_cats(stralloc *sa,const char *buf) {
+extern int stralloc_cats(stralloc *sa,const unsigned char *buf) {
   return stralloc_catb(sa,buf,str_len(buf));
 }
 

stralloc/stralloc_catulong0.3

@@ -4,12 +4,14 @@ stralloc_catulong0 \- append an integer to a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_catulong0\fP(stralloc* \fIsa\fR, unsigned long \fIin\fR, unsigned int \fIn\fR);
+int \fBstralloc_catulong0\fP(stralloc* \fIsa\fR, unsigned long int \fIin\fR, unsigned long int \fIn\fR);
 .SH DESCRIPTION
 stralloc_catulong0 converts in to a string using \fBfmt_ulong0\fR and
 appends the result to \fIsa\fR, allocating memory as necessary.
 
 If there was a memory allocation failure, stralloc_catulong0 returns 0,
 else 1.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 fmt_ulong0(3)

stralloc/stralloc_catulong0.c

@@ -1,7 +1,7 @@
 #include "stralloc.h"
 #include "fmt.h"
 
-int stralloc_catulong0(stralloc *sa,unsigned long in,unsigned int n) {
+int stralloc_catulong0(stralloc *sa,unsigned long int in,unsigned long int n) {
   if (stralloc_readyplus(sa,fmt_ulong0(0,in,n))) {
     sa->len+=fmt_ulong0(sa->s+sa->len,in,n);
     return 1;

stralloc/stralloc_chomp.3

@@ -8,5 +8,7 @@ int \fBstralloc_chomp\fP(stralloc* \fIsa\fR);
 .SH DESCRIPTION
 stralloc_chomp removes trailing CRLF, CR or LF from \fIsa\fR and returns
 the number of removed characters (i.e. 0, 1 or 2).
+.SH "RETURN VALUE"
+number of removed characters (0, 1, or 2).
 .SH "SEE ALSO"
 stralloc_chop(3)

stralloc/stralloc_chop.3

@@ -9,5 +9,7 @@ int \fBstralloc_chop\fP(stralloc* \fIsa\fR);
 stralloc_chop removes the last char in the stralloc (if it is empty,
 stralloc_chop does nothing and returns -1).  This character is cast to
 unsigned char and returned.
+.SH "RETURN VALUE"
+chopped character, or -1 if string was empty.
 .SH "SEE ALSO"
 stralloc_chomp(3)

stralloc/stralloc_copy.3

@@ -15,5 +15,7 @@ The data that \fIsa\fR previously contained is overwritten and truncated.
 
 If stralloc_copy has trouble allocating memory, it returns 0.  Otherwise
 it returns 1.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_copyb(3)

stralloc/stralloc_copyb.3

@@ -4,13 +4,15 @@ stralloc_copyb \- copy data into a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_copyb\fP(stralloc* \fIsa\fR,const char* \fIbuf\fR,unsigned int \fIlen\fR);
+int \fBstralloc_copyb\fP(stralloc* \fIsa\fR,const unsigned char* \fIbuf\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 stralloc_copyb makes sure that \fIsa\fR has enough space allocated to hold
 \fIlen\fR bytes.  Then it copies the first \fIlen\fR bytes from
 \fIbuf\fR into the stralloc.
 
 The data that \fIsa\fR previously contained is overwritten and truncated.
-.SH "RETURN VALUE"
+
 If stralloc_copys runs out of memory, stralloc_copys leaves \fIsa\fR
 alone and return 0, otherwise it returns 1.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.

stralloc/stralloc_copyb.c

@@ -4,7 +4,7 @@
 /* stralloc_copyb copies the string buf[0], buf[1], ..., buf[len-1] into
  * sa, allocating space if necessary, and returns 1. If it runs out of
  * memory, stralloc_copyb leaves sa alone and returns 0. */
-int stralloc_copyb(stralloc *sa,const char *buf,unsigned int len) {
+int stralloc_copyb(stralloc *sa,const unsigned char *buf,unsigned long int len) {
   if (stralloc_ready(sa,len)) {
     sa->len=len;
     byte_copy(sa->s,len,buf);

stralloc/stralloc_copym.3

@@ -1,16 +1,18 @@
-.TH stralloc_catm 3
+.TH stralloc_copym 3
 .SH NAME
 stralloc_copym \- copy string(s) to a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_copys\fP(stralloc* \fIsa\fR,const char* \fIs\fR, ...);
+int \fBstralloc_copym\fP(stralloc* \fIsa\fR,const char* \fIs\fR, ...);
 .SH DESCRIPTION
 stralloc_cats copies \\0-terminated strings from \fIs\fR... to \fIsa\fR,
 allocating space if necessary, and returns 1.  If there is data in the
 \fIsa\fR, it is cleared first.
 
-If it runs out of memory, stralloc_copys returns 0.  At that point, it
+If it runs out of memory, stralloc_copym returns 0.  At that point, it
 may already have copied a few of the strings to sa.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_copys(3)

stralloc/stralloc_copys.3

@@ -4,15 +4,17 @@ stralloc_copys \- copy data into a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_copys\fP(stralloc* \fIsa\fR,const char* \fIbuf\fR);
+int \fBstralloc_copys\fP(stralloc* \fIsa\fR,const unsigned char* \fIbuf\fR);
 .SH DESCRIPTION
 stralloc_copys copies a \\0-terminated string from \fIbuf\fR into
 \fIsa\fR, without the \\0. It is the same as
 \fBstralloc_copyb\fR(&\fIsa\fR, \fIbuf\fR, str_len(\fIbuf\fR)).
 
 The data that \fIsa\fR previously contained is overwritten and truncated.
-.SH "RETURN VALUE"
+
 If stralloc_copys runs out of memory, stralloc_copys leaves \fIsa\fR
 alone and return 0, otherwise it returns 1.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_copyb(3)

stralloc/stralloc_copys.c

@@ -1,7 +1,7 @@
 #include "stralloc.h"
 #include "str.h"
 
-extern int stralloc_copys(stralloc *sa,const char *buf) {
+extern int stralloc_copys(stralloc *sa,const unsigned char *buf) {
   return stralloc_copyb(sa,buf,str_len(buf));
 }
 

stralloc/stralloc_diff.3

@@ -9,5 +9,7 @@ int \fBstralloc_diff\fP(const stralloc* \fIa\fR,const stralloc* \fIb\fR);
 stralloc_diff returns negative, 0, or positive, depending on whether
 \fIa\fR is lexicographically smaller than, equal to, or greater than the
 string \fIb\fR.
+.SH "RETURN VALUE"
+<0 if a<b, 0 if a==b, >0 if a>b.
 .SH "SEE ALSO"
 stralloc_diffs(3), stralloc_starts(3)

stralloc/stralloc_diffs.3

@@ -4,11 +4,13 @@ stralloc_diffs \- check if string is prefix of stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_diffs\fP(stralloc* \fIa\fR,const char* \fIb\fR);
+int \fBstralloc_diffs\fP(stralloc* \fIa\fR,const unsigned char* \fIb\fR);
 .SH DESCRIPTION
 stralloc_diffs returns negative, 0, or positive, depending on whether
 the \\0-terminated string in \fIa\fR, without
 the terminating \\0, is lexicographically smaller than, equal to, or
 greater than the string stored in \fIa\fR.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_diff(3), stralloc_starts(3), str_diff(3)

stralloc/stralloc_diffs.c

@@ -2,8 +2,8 @@
 #include "byte.h"
 #include "str.h"
 
-extern int stralloc_diffs(const stralloc* a,const char* b) {
+extern int stralloc_diffs(const stralloc* a,const unsigned char* b) {
-  register unsigned int i;
+  register unsigned long int i;
   register int j;
   for (i=0;;++i) {
     if (i==a->len) return (!b[i])?0:-1; if (!b[i]) return 1;

stralloc/stralloc_free.3

@@ -4,9 +4,11 @@ stralloc_free \- free storage associated with a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_free\fP(stralloc* \fIsa\fR);
+void \fBstralloc_free\fP(stralloc* \fIsa\fR);
 .SH DESCRIPTION
 stralloc_free returns the storage associated with \fIsa\fR to the
 system.  Afterwards, the stralloc is unallocated.
+.SH "RETURN VALUE"
+none.
 .SH "SEE ALSO"
 stralloc_ready(3)

stralloc/stralloc_init.3

@@ -4,12 +4,14 @@ stralloc_init \- initialize a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_init\fP(stralloc* \fIsa\fR);
+void \fBstralloc_init\fP(stralloc* \fIsa\fR);
 .SH DESCRIPTION
 stralloc_init initializes a stralloc to the empty string.
 
 It does not free any memory previously associated with a stralloc.  Use
 stralloc_free(3) for that.  If you just want to empty a stralloc, use
-stralloc_copys(sa,"") instead.
+stralloc_zero(sa) instead.
+.SH "RETURN VALUE"
+none.
 .SH "SEE ALSO"
 stralloc_free(3), stralloc_copys(3)

stralloc/stralloc_ready.3

@@ -4,7 +4,7 @@ stralloc_ready \- provide space in a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_ready\fP(stralloc* \fIsa\fR,unsigned int \fIlen\fR);
+int \fBstralloc_ready\fP(stralloc* \fIsa\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 stralloc_ready makes sure that \fIsa\fR has enough space allocated to hold
 \fIlen\fR bytes: If \fIsa\fR is not allocated, stralloc_ready allocates at least
@@ -15,5 +15,7 @@ old space, and returns 1. Note that this changes \fIsa\fR.s.
 
 If stralloc_ready runs out of memory, it leaves \fIsa\fR alone and
 returns 0.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_readyplus(3)

stralloc/stralloc_ready.c

@@ -7,7 +7,7 @@
  * not enough to hold len bytes, stralloc_ready allocates at least len
  * bytes of space, copies the old string into the new space, frees the
  * old space, and returns 1. Note that this changes sa.s. */
-int stralloc_ready(stralloc *sa,unsigned int len) {
+int stralloc_ready(stralloc *sa,unsigned long int len) {
   register int wanted=len+(len>>3)+30; /* heuristic from djb */
   if (!sa->s || sa->a<len) {
     register char* tmp;

stralloc/stralloc_readyplus.3

@@ -4,7 +4,7 @@ stralloc_readyplus \- provide space in a stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_readyplus\fP(stralloc* \fIsa\fR,unsigned int \fIlen\fR);
+int \fBstralloc_readyplus\fP(stralloc* \fIsa\fR,unsigned long int \fIlen\fR);
 .SH DESCRIPTION
 stralloc_readyplus makes sure that \fIsa\fR has enough space allocated
 to hold an additional \fIlen\fR bytes: If \fIsa\fR is not allocated,
@@ -17,5 +17,7 @@ new space, frees the old space, and returns 1. Note that this changes
 
 If stralloc_readyplus runs out of memory, it leaves \fIsa\fR alone and
 returns 0.
+.SH "RETURN VALUE"
+1 for success, 0 on memory allocation failure.
 .SH "SEE ALSO"
 stralloc_ready(3)

stralloc/stralloc_readyplus.c

@@ -4,9 +4,10 @@
 /* stralloc_readyplus is like stralloc_ready except that, if sa is
  * already allocated, stralloc_readyplus adds the current length of sa
  * to len. */
-int stralloc_readyplus(stralloc *sa,unsigned int len) {
+int stralloc_readyplus(stralloc *sa,unsigned long len) {
-  if (sa->s)
+  if (sa->s) {
+    if (sa->len + len < len) return 0;	/* catch integer overflow */
     return stralloc_ready(sa,sa->len+len);
-  else
+  } else
     return stralloc_ready(sa,len);
 }

stralloc/stralloc_starts.3

@@ -4,10 +4,12 @@ stralloc_starts \- check if string is prefix of stralloc
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_starts\fP(stralloc* \fIsa\fR,const char* \fIin\fR);
+int \fBstralloc_starts\fP(stralloc* \fIsa\fR,const unsigned char* \fIin\fR);
 .SH DESCRIPTION
 stralloc_starts returns 1 if the \\0-terminated string in \fIin\fR, without
 the terminating \\0, is a prefix of the string stored in \fIsa\fR. Otherwise
 it returns 0. \fIsa\fR must already be allocated.
+.SH "RETURN VALUE"
+1 if \fIin\fR is a prefix of \fIsa\fR, otherwise 0.
 .SH "SEE ALSO"
 str_starts(3)

stralloc/stralloc_starts.c

@@ -2,8 +2,8 @@
 #include "byte.h"
 #include "str.h"
 
-extern int stralloc_starts(stralloc *sa,const char *in) {
+extern int stralloc_starts(stralloc *sa,const unsigned char *in) {
-  register int len=str_len(in);
+  register unsigned long int len=str_len(in);
   return (len<=sa->len && !byte_diff(sa->s,len,in));
 }
 

stralloc/stralloc_zero.3

@@ -4,10 +4,10 @@ stralloc_zero \- set length of stralloc to 0
 .SH SYNTAX
 .B #include <stralloc.h>
 
-int \fBstralloc_zero\fP(stralloc* \fIsa\fR);
+void \fBstralloc_zero\fP(stralloc* \fIsa\fR);
 .SH DESCRIPTION
 stralloc_zero sets the length of the stralloc to 0.
-
+.SH "RETURN VALUE"
-It is a shortcut for stralloc_copys(\fIsa\fR,"").
+none.
 .SH "SEE ALSO"
 stralloc_copys(3)

stralloc/stralloc_zero.c

@@ -0,0 +1,5 @@
+#include <stralloc.h>
+
+void stralloc_zero(stralloc* sa) {
+  sa->len=0;
+}