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authorJean Sacren <sakiwit@gmail.com>2010-08-04 18:01:02 -0400
committerMichal Marek <mmarek@suse.cz>2010-08-12 18:40:26 -0400
commitbf5e327a300a9ac959a89440e7c67dc89f3bd804 (patch)
treec8be365e0580656dd049e23ef5814bbafe8d73f5 /scripts/kconfig
parent866af407dad3f2202e5d5d717ebd6156ccc33cdd (diff)
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>
Diffstat (limited to 'scripts/kconfig')
-rw-r--r--scripts/kconfig/confdata.c2
-rw-r--r--scripts/kconfig/expr.c2
-rw-r--r--scripts/kconfig/lkc.h7
3 files changed, 9 insertions, 2 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index ac13f0ff8e81..c39327e60ea4 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -412,7 +412,7 @@ static void conf_write_string(bool headerfile, const char *name,
412 while (1) { 412 while (1) {
413 l = strcspn(str, "\"\\"); 413 l = strcspn(str, "\"\\");
414 if (l) { 414 if (l) {
415 fwrite(str, l, 1, out); 415 xfwrite(str, l, 1, out);
416 str += l; 416 str += l;
417 } 417 }
418 if (!*str) 418 if (!*str)
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 8f18e37892cb..330e7c0048a8 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -1087,7 +1087,7 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *
1087 1087
1088static void expr_print_file_helper(void *data, struct symbol *sym, const char *str) 1088static void expr_print_file_helper(void *data, struct symbol *sym, const char *str)
1089{ 1089{
1090 fwrite(str, strlen(str), 1, data); 1090 xfwrite(str, strlen(str), 1, data);
1091} 1091}
1092 1092
1093void expr_fprint(struct expr *e, FILE *out) 1093void expr_fprint(struct expr *e, FILE *out)
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 76db065ed72c..2ac33f5d273c 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -80,6 +80,13 @@ void sym_set_change_count(int count);
80void sym_add_change_count(int count); 80void sym_add_change_count(int count);
81void conf_set_all_new_symbols(enum conf_def_mode mode); 81void conf_set_all_new_symbols(enum conf_def_mode mode);
82 82
83/* confdata.c and expr.c */
84static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
85{
86 if (fwrite(str, len, count, out) < count)
87 fprintf(stderr, "\nError in writing or end of file.\n");
88}
89
83/* kconfig_load.c */ 90/* kconfig_load.c */
84void kconfig_load(void); 91void kconfig_load(void);
85 92