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Imported from ../bash-4.0.tar.gz.

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This commit is contained in:
Jari Aalto 2009-02-19 22:21:29 +00:00
commit 17345e5ad2
134 changed files with 74214 additions and 4584 deletions
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42
lib/sh/zgetline.c
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@ -36,6 +36,11 @@ extern int errno;
extern ssize_t zread __P((int, char *, size_t));
extern ssize_t zreadc __P((int, char *));
extern ssize_t zreadintr __P((int, char *, size_t));
extern ssize_t zreadcintr __P((int, char *));
typedef ssize_t breadfunc_t __P((int, char *, size_t));
typedef ssize_t creadfunc_t __P((int, char *));
/* Initial memory allocation for automatic growing buffer in zreadlinec */
#define GET_LINE_INITIAL_ALLOCATION 16
@ -74,31 +79,32 @@ zgetline (fd, lineptr, n, unbuffered_read)
if (retval <= 0)
{
line[nr] = '\0';
if (line && nr > 0)
line[nr] = '\0';
break;
}
if (nr + 2 >= *n)
{
size_t new_size;
size_t new_size;
new_size = (*n == 0) ? GET_LINE_INITIAL_ALLOCATION : *n * 2;
line = xrealloc (*lineptr, new_size);
new_size = (*n == 0) ? GET_LINE_INITIAL_ALLOCATION : *n * 2;
line = (*n >= new_size) ? NULL : xrealloc (*lineptr, new_size);
if (line)
{
*lineptr = line;
*n = new_size;
}
else
{
if (*n > 0)
{
(*lineptr)[*n - 1] = '\0';
nr = *n - 2;
}
break;
}
if (line)
{
*lineptr = line;
*n = new_size;
}
else
{
if (*n > 0)
{
(*lineptr)[*n - 1] = '\0';
nr = *n - 2;
}
break;
}
}
line[nr] = c;