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Moved strlcpy/strlcat into separate file

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Stefan Ritt 2005-05-09 09:12:25 +00:00
parent 9de8c4ac0b
commit aa2cf446c9
1 changed files with 5 additions and 75 deletions
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80
mxml.c
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@ -37,6 +37,9 @@
deleting nodes. deleting nodes.
$Log$ $Log$
Revision 1.9 2005/05/09 09:12:25 ritt
Moved strlcpy/strlcat into separate file
Revision 1.8 2005/04/19 21:43:33 ritt Revision 1.8 2005/04/19 21:43:33 ritt
Implemented tree cloning and adding Implemented tree cloning and adding
@ -95,85 +98,12 @@
#endif #endif
#include "mxml.h" #include "mxml.h"
#include "strlcpy.h"
#define XML_INDENT " " #define XML_INDENT " "
/*------------------------------------------------------------------*/ /*------------------------------------------------------------------*/
#ifdef HAVE_STRLCPY
extern size_t strlcpy(char *dst, const char *src, size_t size);
extern size_t strlcat(char *dst, const char *src, size_t size);
#else
/*
* Copy src to string dst of size siz. At most siz-1 characters
* will be copied. Always NUL terminates (unless size == 0).
* Returns strlen(src); if retval >= siz, truncation occurred.
*/
size_t strlcpy(char *dst, const char *src, size_t size)
{
char *d = dst;
const char *s = src;
size_t n = size;
/* Copy as many bytes as will fit */
if (n != 0 && --n != 0) {
do {
if ((*d++ = *s++) == 0)
break;
} while (--n != 0);
}
/* Not enough room in dst, add NUL and traverse rest of src */
if (n == 0) {
if (size != 0)
*d = '\0'; /* NUL-terminate dst */
while (*s++);
}
return (s - src - 1); /* count does not include NUL */
}
/*
* Appends src to string dst of size siz (unlike strncat, siz is the
* full size of dst, not space left). At most siz-1 characters
* will be copied. Always NUL terminates (unless size <= strlen(dst)).
* Returns strlen(src) + MIN(size, strlen(initial dst)).
* If retval >= size, truncation occurred.
*/
size_t strlcat(char *dst, const char *src, size_t size)
{
char *d = dst;
const char *s = src;
size_t n = size;
size_t dlen;
/* Find the end of dst and adjust bytes left but don't go past end */
while (n-- != 0 && *d != '\0')
d++;
dlen = d - dst;
n = size - dlen;
if (n == 0)
return (dlen + strlen(s));
while (*s != '\0') {
if (n != 1) {
*d++ = *s;
n--;
}
s++;
}
*d = '\0';
return (dlen + (s - src)); /* count does not include NUL */
}
#endif // STRLCPY_DEFINED
/*------------------------------------------------------------------*/
int mxml_write_line(MXML_WRITER *writer, const char *line) int mxml_write_line(MXML_WRITER *writer, const char *line)
{ {
int len; int len;
@ -544,7 +474,7 @@ int mxml_write_comment(MXML_WRITER *writer, const char *string)
strlcat(line, "<!-- ", sizeof(line)); strlcat(line, "<!-- ", sizeof(line));
strlcat(line, string, sizeof(line)); strlcat(line, string, sizeof(line));
strlcat(line, " -->\n", sizeof(line)); strlcat(line, " -->\n", sizeof(line));
if (mxml_write_line(writer, line) != strlen(line)) if (mxml_write_line(writer, line) != (int)strlen(line))
return FALSE; return FALSE;
return TRUE; return TRUE;