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modpost: remove get_next_text() and make {grab,release_}file static 

get_next_line() is no longer used. Remove.

grab_file() and release_file() are only used in modpost.c. Make them
static.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2020-06-01 14:57:21 +09:00
parent 70f30cfe5b
commit 75893572d4
2 changed files with 2 additions and 39 deletions
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38
scripts/mod/modpost.c
View File

@ -463,7 +463,7 @@ static void sym_set_crc(const char *name, unsigned int crc)
s->crc_valid = 1;
}
void *grab_file(const char *filename, unsigned long *size)
static void *grab_file(const char *filename, unsigned long *size)
{
struct stat st;
void *map = MAP_FAILED;
@ -485,41 +485,7 @@ failed:
return map;
}
/**
* Return a copy of the next line in a mmap'ed file.
* spaces in the beginning of the line is trimmed away.
* Return a pointer to a static buffer.
**/
char *get_next_line(unsigned long *pos, void *file, unsigned long size)
{
static char line[4096];
int skip = 1;
size_t len = 0;
signed char *p = (signed char *)file + *pos;
char *s = line;
for (; *pos < size ; (*pos)++) {
if (skip && isspace(*p)) {
p++;
continue;
}
skip = 0;
if (*p != '\n' && (*pos < size)) {
len++;
*s++ = *p++;
if (len > 4095)
break; /* Too long, stop */
} else {
/* End of string */
*s = '\0';
return line;
}
}
/* End of buffer */
return NULL;
}
void release_file(void *file, unsigned long size)
static void release_file(void *file, unsigned long size)
{
munmap(file, size);
}

3
scripts/mod/modpost.h
View File

@ -193,9 +193,6 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen);
/* from modpost.c */
char *read_text_file(const char *filename);
char *get_line(char **stringp);
void *grab_file(const char *filename, unsigned long *size);
char* get_next_line(unsigned long *pos, void *file, unsigned long size);
void release_file(void *file, unsigned long size);
enum loglevel {
LOG_WARN,