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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-02-09 01:19:07 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-02-10 11:26:04 +0900
commitd717f24d8c68081caae2374cf5ea6c4e62c490fc (patch)
tree325008cf6d2fea2dfa15e4d49ae4d4d79fb1ff2b /scripts/kconfig
parent9e3e10c725360b9d07018cfcd5b7b6b7d325fae5 (diff)
downloadlinux-d717f24d8c68081caae2374cf5ea6c4e62c490fc.tar.bz2
kconfig: add xrealloc() helper
We already have xmalloc(), xcalloc(). Add xrealloc() as well to save tedious error handling. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/kconfig')
-rw-r--r--scripts/kconfig/confdata.c2
-rw-r--r--scripts/kconfig/lkc.h1
-rw-r--r--scripts/kconfig/nconf.gui.c3
-rw-r--r--scripts/kconfig/symbol.c2
-rw-r--r--scripts/kconfig/util.c11
-rw-r--r--scripts/kconfig/zconf.l2
6 files changed, 16 insertions, 5 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index f7927391de30..5c12dc91ef34 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -201,7 +201,7 @@ static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
if (new_size > *n) {
new_size += LINE_GROWTH - 1;
new_size *= 2;
- nline = realloc(*lineptr, new_size);
+ nline = xrealloc(*lineptr, new_size);
if (!nline)
return -1;
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 16cb62b92650..4e23febbe4b2 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -114,6 +114,7 @@ struct file *file_lookup(const char *name);
int file_write_dep(const char *name);
void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
+void *xrealloc(void *p, size_t size);
struct gstr {
size_t len;
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index a64b1c31253e..88874acfda36 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -6,6 +6,7 @@
*
*/
#include "nconf.h"
+#include "lkc.h"
/* a list of all the different widgets we use */
attributes_t attributes[ATTR_MAX+1] = {0};
@@ -374,7 +375,7 @@ int dialog_inputbox(WINDOW *main_window,
if (strlen(init)+1 > *result_len) {
*result_len = strlen(init)+1;
- *resultp = result = realloc(result, *result_len);
+ *resultp = result = xrealloc(result, *result_len);
}
/* find the widest line of msg: */
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index c4409ee7fee2..60a76f958f33 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -936,7 +936,7 @@ const char *sym_expand_string_value(const char *in)
newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
if (newlen > reslen) {
reslen = newlen;
- res = realloc(res, reslen);
+ res = xrealloc(res, reslen);
}
strcat(res, symval);
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 0e76042473cc..138894ef49ea 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -104,7 +104,7 @@ void str_append(struct gstr *gs, const char *s)
if (s) {
l = strlen(gs->s) + strlen(s) + 1;
if (l > gs->len) {
- gs->s = realloc(gs->s, l);
+ gs->s = xrealloc(gs->s, l);
gs->len = l;
}
strcat(gs->s, s);
@@ -145,3 +145,12 @@ void *xcalloc(size_t nmemb, size_t size)
fprintf(stderr, "Out of memory.\n");
exit(1);
}
+
+void *xrealloc(void *p, size_t size)
+{
+ p = realloc(p, size);
+ if (p)
+ return p;
+ fprintf(stderr, "Out of memory.\n");
+ exit(1);
+}
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 0ba4900050c1..02de6fe302a9 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -52,7 +52,7 @@ static void append_string(const char *str, int size)
if (new_size > text_asize) {
new_size += START_STRSIZE - 1;
new_size &= -START_STRSIZE;
- text = realloc(text, new_size);
+ text = xrealloc(text, new_size);
text_asize = new_size;
}
memcpy(text + text_size, str, size);