xnu-4903.270.47.tar.gz

[apple/xnu.git] / SETUP / json_compilation_db / json_compilation_db.c

diff --git a/SETUP/json_compilation_db/json_compilation_db.c b/SETUP/json_compilation_db/json_compilation_db.c
index 7a148aebc1c1ccb9fa7ad4619c78fb4797c96f20..eb0dfdb507a681477ce7a7569e04f6f5c334c8f9 100644 (file)
--- a/SETUP/json_compilation_db/json_compilation_db.c
+++ b/SETUP/json_compilation_db/json_compilation_db.c
@@ -56,7 +56,8 @@ char *escape_string(const char *);
  * "]"
  */
 
-int main(int argc, char * argv[])
+int
+main(int argc, char * argv[])
 {
        struct stat sb;
        int ret;
@@ -82,47 +83,55 @@ int main(int argc, char * argv[])
        argc -= 4;
 
        input_file_len = strlen(input_file);
-       if (!(input_file_len > 2 && 0 == strcmp(".c",   input_file + input_file_len - 2)) &&
-               !(input_file_len > 3 && 0 == strcmp(".cp",  input_file + input_file_len - 3)) &&
-               !(input_file_len > 4 && 0 == strcmp(".cpp", input_file + input_file_len - 4))) {
+       if (!(input_file_len > 2 && 0 == strcmp(".c", input_file + input_file_len - 2)) &&
+           !(input_file_len > 3 && 0 == strcmp(".cp", input_file + input_file_len - 3)) &&
+           !(input_file_len > 4 && 0 == strcmp(".cpp", input_file + input_file_len - 4))) {
                /* Not a C/C++ file, just skip it */
                return 0;
        }
 
        dstfd = open(json_output, O_RDWR | O_CREAT | O_EXLOCK, DEFFILEMODE);
-       if (dstfd < 0)
+       if (dstfd < 0) {
                err(EX_NOINPUT, "open(%s)", json_output);
+       }
 
        ret = fstat(dstfd, &sb);
-       if (ret < 0)
+       if (ret < 0) {
                err(EX_NOINPUT, "fstat(%s)", json_output);
+       }
 
-       if (!S_ISREG(sb.st_mode))
+       if (!S_ISREG(sb.st_mode)) {
                err(EX_USAGE, "%s is not a regular file", json_output);
+       }
 
        dst = fdopen(dstfd, "w+");
-       if (dst == NULL)
+       if (dst == NULL) {
                err(EX_UNAVAILABLE, "fdopen");
+       }
 
-       read_bytes = fread(start, sizeof(start[0]), sizeof(start)/sizeof(start[0]), dst);
-       if ((read_bytes != sizeof(start)) || (0 != memcmp(start, "[\n", sizeof(start)/sizeof(start[0])))) {
+       read_bytes = fread(start, sizeof(start[0]), sizeof(start) / sizeof(start[0]), dst);
+       if ((read_bytes != sizeof(start)) || (0 != memcmp(start, "[\n", sizeof(start) / sizeof(start[0])))) {
                /* no JSON start, we don't really care why */
                ret = fseeko(dst, 0, SEEK_SET);
-               if (ret < 0)
+               if (ret < 0) {
                        err(EX_UNAVAILABLE, "fseeko");
+               }
 
                ret = fputs("[", dst);
-               if (ret < 0)
+               if (ret < 0) {
                        err(EX_UNAVAILABLE, "fputs");
+               }
        } else {
                /* has at least two bytes at the start. Seek to 3 bytes before the end */
                ret = fseeko(dst, -3, SEEK_END);
-               if (ret < 0)
+               if (ret < 0) {
                        err(EX_UNAVAILABLE, "fseeko");
+               }
 
                ret = fputs(",", dst);
-               if (ret < 0)
+               if (ret < 0) {
                        err(EX_UNAVAILABLE, "fputs");
+               }
        }
 
        fprintf(dst, "\n");
@@ -130,9 +139,9 @@ int main(int argc, char * argv[])
        fprintf(dst, "  \"directory\": \"%s\",\n", cwd);
        fprintf(dst, "  \"file\": \"%s\",\n", input_file);
        fprintf(dst, "  \"command\": \"");
-       for (i=0; i < argc; i++) {
+       for (i = 0; i < argc; i++) {
                bool needs_escape = strchr(argv[i], '\\') || strchr(argv[i], '"') || strchr(argv[i], ' ');
-               
+
                if (needs_escape) {
                        char *escaped_string = escape_string(argv[i]);
                        fprintf(dst, "%s\\\"%s\\\"", i == 0 ? "" : " ", escaped_string);
@@ -146,13 +155,15 @@ int main(int argc, char * argv[])
        fprintf(dst, "]\n");
 
        ret = fclose(dst);
-       if (ret < 0)
+       if (ret < 0) {
                err(EX_UNAVAILABLE, "fclose");
+       }
 
        return 0;
 }
 
-void usage(void)
+void
+usage(void)
 {
        fprintf(stderr, "Usage: %s <json_output> <cwd> <input_file> <compiler> [<invocation> ...]\n", getprogname());
        exit(EX_USAGE);
@@ -171,7 +182,7 @@ escape_string(const char *input)
        size_t i, j;
        char *output = malloc(len * 4 + 1);
 
-       for (i=0, j=0; i < len; i++) {
+       for (i = 0, j = 0; i < len; i++) {
                char ch = input[i];
 
                if (ch == '\\' || ch == '"') {