History

fixdep: move global variables to local variables of main()

I do not mind global variables where they are useful enough. In this case, I do not see a good reason to use global variables since they are just referenced in shallow places. It is easy to pass them via function arguments. I squashed print_cmdline() into main() since it is just one line code.

Masahiro Yamada committed 8 years ago

Commit 5d1ef761 parent ccfe7881 file · +16 −26Browse files

Showing the changes to scripts/basic (1 of 1 file). Show all

Unified · Split

scripts/basic/fixdep.c+16−26
@@ -111,11 +111,6 @@ · 110 unmodified lines
111#include <stdio.h>111#include <stdio.h>
112#include <ctype.h>112#include <ctype.h>
113 113
114int insert_extra_deps;
115char *target;
116char *depfile;
117char *cmdline;
118
119static void usage(void)114static void usage(void)
120{115{
121 fprintf(stderr, "Usage: fixdep [-e] <depfile> <target> <cmdline>\n");116 fprintf(stderr, "Usage: fixdep [-e] <depfile> <target> <cmdline>\n");
@@ -123,14 +118,6 @@ static void usage(void) · 1 unmodified line
123 exit(1);118 exit(1);
124}119}
125 120
126/*
127 * Print out the commandline prefixed with cmd_<target filename> :=
128 */
129static void print_cmdline(void)
130{
131 printf("cmd_%s := %s\n\n", target, cmdline);
132}
133
134/*121/*
135 * Print out a dependency path from a symbol name122 * Print out a dependency path from a symbol name
136 */123 */
@@ -152,16 +139,16 @@ static void print_config(const char *m, int slen) · 15 unmodified lines
152 139
153static void do_extra_deps(void)140static void do_extra_deps(void)
154{141{
155 if (insert_extra_deps) {142 char buf[80];
156 char buf[80];143
157 while(fgets(buf, sizeof(buf), stdin)) {144 while (fgets(buf, sizeof(buf), stdin)) {
158 int len = strlen(buf);145 int len = strlen(buf);
159 if (len < 2 || buf[len-1] != '\n') {146
160 fprintf(stderr, "fixdep: bad data on stdin\n");147 if (len < 2 || buf[len - 1] != '\n') {
161 exit(1);148 fprintf(stderr, "fixdep: bad data on stdin\n");
162 }149 exit(1);
163 print_config(buf, len-1);
164 }150 }
151 print_config(buf, len - 1);
165 }152 }
166}153}
167 154
@@ -300,7 +287,7 @@ static void *read_file(const char *filename) · 132 unmodified lines
300 * assignments are parsed not only by make, but also by the rather simple287 * assignments are parsed not only by make, but also by the rather simple
301 * parser in scripts/mod/sumversion.c.288 * parser in scripts/mod/sumversion.c.
302 */289 */
303static void parse_dep_file(char *m)290static void parse_dep_file(char *m, const char *target, int insert_extra_deps)
304{291{
305 char *p;292 char *p;
306 int is_last, is_target;293 int is_last, is_target;
@@ -385,7 +372,8 @@ static void parse_dep_file(char *m) · 78 unmodified lines
385 exit(1);372 exit(1);
386 }373 }
387 374
388 do_extra_deps();375 if (insert_extra_deps)
376 do_extra_deps();
389 377
390 printf("\n%s: $(deps_%s)\n\n", target, target);378 printf("\n%s: $(deps_%s)\n\n", target, target);
391 printf("$(deps_%s):\n", target);379 printf("$(deps_%s):\n", target);
@@ -393,6 +381,8 @@ static void parse_dep_file(char *m) · 1 unmodified line
393 381
394int main(int argc, char *argv[])382int main(int argc, char *argv[])
395{383{
384 const char *depfile, *target, *cmdline;
385 int insert_extra_deps = 0;
396 void *buf;386 void *buf;
397 387
398 if (argc == 5 && !strcmp(argv[1], "-e")) {388 if (argc == 5 && !strcmp(argv[1], "-e")) {
@@ -405,10 +395,10 @@ int main(int argc, char *argv[]) · 6 unmodified lines
405 target = argv[2];395 target = argv[2];
406 cmdline = argv[3];396 cmdline = argv[3];
407 397
408 print_cmdline();398 printf("cmd_%s := %s\n\n", target, cmdline);
409 399
410 buf = read_file(depfile);400 buf = read_file(depfile);
411 parse_dep_file(buf);401 parse_dep_file(buf, target, insert_extra_deps);
412 free(buf);402 free(buf);
413 403
414 return 0;404 return 0;