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kconfig: Fix warning: ignoring return value of 'fwrite' 

This fix facilitates fwrite() in both confdata.c and expr.c, either it
succeeds in writing, or an error occurs, or the end of file is reached.

Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Jean Sacren 2010-08-04 16:01:02 -06:00 committed by Michal Marek
parent 866af407da
commit bf5e327a30
3 changed files with 9 additions and 2 deletions
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2
scripts/kconfig/confdata.c
View File

@ -412,7 +412,7 @@ static void conf_write_string(bool headerfile, const char *name,
while (1) {
l = strcspn(str, "\"\\");
if (l) {
fwrite(str, l, 1, out);
xfwrite(str, l, 1, out);
str += l;
}
if (!*str)

2
scripts/kconfig/expr.c
View File

@ -1087,7 +1087,7 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *
static void expr_print_file_helper(void *data, struct symbol *sym, const char *str)
{
fwrite(str, strlen(str), 1, data);
xfwrite(str, strlen(str), 1, data);
}
void expr_fprint(struct expr *e, FILE *out)

7
scripts/kconfig/lkc.h
View File

@ -80,6 +80,13 @@ void sym_set_change_count(int count);
void sym_add_change_count(int count);
void conf_set_all_new_symbols(enum conf_def_mode mode);
/* confdata.c and expr.c */
static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
{
if (fwrite(str, len, count, out) < count)
fprintf(stderr, "\nError in writing or end of file.\n");
}
/* kconfig_load.c */
void kconfig_load(void);