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

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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
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@ -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);