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Don't include assert.h.

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(getstr): Remove warning-evoking assertions.
Return -1 if offset parameter is out of bounds.
Change the type of a local from int to size_t.
This commit is contained in:
Jim Meyering 2001-12-09 22:08:19 +00:00
parent 26061de96f
commit 923091ff96
1 changed files with 4 additions and 5 deletions
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9
lib/getstr.c
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@ -25,8 +25,6 @@
#include <stdio.h>
#include <sys/types.h>
#include <assert.h>
#if STDC_HEADERS
# include <stdlib.h>
#else
@ -49,7 +47,7 @@ int
getstr (char **lineptr, size_t *n, FILE *stream, int delim1, int delim2,
size_t offset)
{
int nchars_avail; /* Allocated but unused chars in *LINEPTR. */
size_t nchars_avail; /* Allocated but unused chars in *LINEPTR. */
char *read_pos; /* Where we're reading into *LINEPTR. */
int ret;
@ -64,6 +62,9 @@ getstr (char **lineptr, size_t *n, FILE *stream, int delim1, int delim2,
return -1;
}
if (*n < offset)
return -1;
nchars_avail = *n - offset;
read_pos = *lineptr + offset;
@ -75,7 +76,6 @@ getstr (char **lineptr, size_t *n, FILE *stream, int delim1, int delim2,
always (unless we get an error while reading the first char)
NUL-terminate the line buffer. */
assert(*n - nchars_avail == read_pos - *lineptr);
if (nchars_avail < 2)
{
if (*n > MIN_CHUNK)
@ -88,7 +88,6 @@ getstr (char **lineptr, size_t *n, FILE *stream, int delim1, int delim2,
if (!*lineptr)
return -1;
read_pos = *n - nchars_avail + *lineptr;
assert(*n - nchars_avail == read_pos - *lineptr);
}
if (c == EOF || ferror (stream))