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authorPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>2005-09-22 21:44:14 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-22 22:17:36 -0700
commita8bfb94c58238666df0d6856861d18f0f52fc752 (patch)
treeff22df262edafd55c9004a32a25dfb818c0841a9 /arch/um
parent3a02d6c051cf3c214aab38e4330b4bcec5f6e3f8 (diff)
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[PATCH] strlcat: use for uml umid.c
Simplify the code by using strlcat() instead of strncat() and manual appending. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/include/user.h4
-rw-r--r--arch/um/kernel/umid.c11
2 files changed, 7 insertions, 8 deletions
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 57ee9e261228..0f865ef46918 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -14,7 +14,9 @@ extern void *um_kmalloc_atomic(int size);
extern void kfree(void *ptr);
extern int in_aton(char *str);
extern int open_gdb_chan(void);
-extern int strlcpy(char *, const char *, int);
+/* These use size_t, however unsigned long is correct on both i386 and x86_64. */
+extern unsigned long strlcpy(char *, const char *, unsigned long);
+extern unsigned long strlcat(char *, const char *, unsigned long);
extern void *um_vmalloc(int size);
extern void vfree(void *ptr);
diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c
index 251d277fff2a..0b21d59ba0cd 100644
--- a/arch/um/kernel/umid.c
+++ b/arch/um/kernel/umid.c
@@ -237,16 +237,13 @@ static int __init make_uml_dir(void)
strlcpy(dir, home, sizeof(dir));
uml_dir++;
}
+ strlcat(dir, uml_dir, sizeof(dir));
len = strlen(dir);
- strncat(dir, uml_dir, sizeof(dir) - len);
- len = strlen(dir);
- if((len > 0) && (len < sizeof(dir) - 1) && (dir[len - 1] != '/')){
- dir[len] = '/';
- dir[len + 1] = '\0';
- }
+ if (len > 0 && dir[len - 1] != '/')
+ strlcat(dir, "/", sizeof(dir));
uml_dir = malloc(strlen(dir) + 1);
- if(uml_dir == NULL){
+ if (uml_dir == NULL) {
printf("make_uml_dir : malloc failed, errno = %d\n", errno);
exit(1);
}