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-rw-r--r--scripts/basic/fixdep.c75
1 files changed, 20 insertions, 55 deletions
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 91bb4c13f121..9f9238eaec19 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -264,42 +264,36 @@ static int strrcmp(const char *s, const char *sub)
return memcmp(s + slen - sublen, sub, sublen);
}
-static void do_config_file(const char *filename)
+static void *read_file(const char *filename)
{
struct stat st;
int fd;
- char *map;
+ char *buf;
fd = open(filename, O_RDONLY);
if (fd < 0) {
- fprintf(stderr, "fixdep: error opening config file: ");
+ fprintf(stderr, "fixdep: error opening file: ");
perror(filename);
exit(2);
}
if (fstat(fd, &st) < 0) {
- fprintf(stderr, "fixdep: error fstat'ing config file: ");
+ fprintf(stderr, "fixdep: error fstat'ing file: ");
perror(filename);
exit(2);
}
- if (st.st_size == 0) {
- close(fd);
- return;
- }
- map = malloc(st.st_size + 1);
- if (!map) {
+ buf = malloc(st.st_size + 1);
+ if (!buf) {
perror("fixdep: malloc");
exit(2);
}
- if (read(fd, map, st.st_size) != st.st_size) {
+ if (read(fd, buf, st.st_size) != st.st_size) {
perror("fixdep: read");
exit(2);
}
- map[st.st_size] = '\0';
+ buf[st.st_size] = '\0';
close(fd);
- parse_config_file(map);
-
- free(map);
+ return buf;
}
/*
@@ -314,6 +308,7 @@ static void parse_dep_file(char *m)
int is_last, is_target;
int saw_any_target = 0;
int is_first_dep = 0;
+ void *buf;
while (1) {
/* Skip any "white space" */
@@ -372,7 +367,10 @@ static void parse_dep_file(char *m)
is_first_dep = 0;
} else
printf(" %s \\\n", s);
- do_config_file(s);
+
+ buf = read_file(s);
+ parse_config_file(buf);
+ free(buf);
}
}
@@ -397,46 +395,10 @@ static void parse_dep_file(char *m)
printf("$(deps_%s):\n", target);
}
-static void print_deps(const char *filename)
-{
- struct stat st;
- int fd;
- char *buf;
-
- fd = open(filename, O_RDONLY);
- if (fd < 0) {
- fprintf(stderr, "fixdep: error opening depfile: ");
- perror(filename);
- exit(2);
- }
- if (fstat(fd, &st) < 0) {
- fprintf(stderr, "fixdep: error fstat'ing depfile: ");
- perror(filename);
- exit(2);
- }
- if (st.st_size == 0) {
- close(fd);
- return;
- }
- buf = malloc(st.st_size + 1);
- if (!buf) {
- perror("fixdep: malloc");
- exit(2);
- }
- if (read(fd, buf, st.st_size) != st.st_size) {
- perror("fixdep: read");
- exit(2);
- }
- buf[st.st_size] = '\0';
- close(fd);
-
- parse_dep_file(buf);
-
- free(buf);
-}
-
int main(int argc, char *argv[])
{
+ void *buf;
+
if (argc == 5 && !strcmp(argv[1], "-e")) {
insert_extra_deps = 1;
argv++;
@@ -448,7 +410,10 @@ int main(int argc, char *argv[])
cmdline = argv[3];
print_cmdline();
- print_deps(depfile);
+
+ buf = read_file(depfile);
+ parse_dep_file(buf);
+ free(buf);
return 0;
}