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* man2hlp.c (persistent_fread): Return error for len <= 0.

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(persistent_fwrite): Likewise.
(main): Check the result of the second ftell().
This commit is contained in:
Pavel Roskin 2002-11-13 17:38:33 +00:00
parent 4af124c573
commit 895c9468c3
2 changed files with 18 additions and 1 deletions
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4
src/ChangeLog
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@ -1,5 +1,9 @@
2002-11-13 Pavel Roskin <proski@gnu.org>
* man2hlp.c (persistent_fread): Return error for len <= 0.
(persistent_fwrite): Likewise.
(main): Check the result of the second ftell().
* cmd.h: Fully exclude WPanel from public interfaces of cmd.c.
* cmd.c: All commands operate on current panels.
(get_a_panel): Remove.

15
src/man2hlp.c
View File

@ -74,6 +74,9 @@ persistent_fread (void *data, size_t len, FILE *stream)
size_t bytes_done = 0;
char *ptr = (char *) data;
if (len <= 0)
return 0;
while (bytes_done < len) {
count = len - bytes_done;
if (count > MAX_STREAM_BLOCK)
@ -102,6 +105,9 @@ persistent_fwrite (const void *data, size_t len, FILE *stream)
size_t bytes_done = 0;
const char *ptr = (const char *) data;
if (len <= 0)
return 0;
while (bytes_done < len) {
count = len - bytes_done;
if (count > MAX_STREAM_BLOCK)
@ -780,6 +786,11 @@ main (int argc, char **argv)
}
cont_start = ftell (f_out);
if (cont_start <= 0) {
perror (c_out);
return 1;
}
if (topics)
fprintf (f_out, "\004[Contents]\n%s\n\n", topics);
else
@ -830,7 +841,9 @@ main (int argc, char **argv)
}
file_end = ftell (f_out);
if (file_end <= 0) {
/* Sanity check */
if ((file_end <= 0) || (file_end - cont_start <= 0)) {
perror (c_out);
return 1;
}