aboutsummaryrefslogtreecommitdiffstats
path: root/conv.c
diff options
context:
space:
mode:
authorMattias Andrée <maandree@kth.se>2018-06-22 01:54:04 +0200
committerMattias Andrée <maandree@kth.se>2018-06-22 01:54:04 +0200
commit3c0cbf57e8eacad16309f323d595aeb2d9351417 (patch)
tree3c4d8de481a3651858027777cd43dd35de21bc4d /conv.c
parentAdd more icons used by Inkscape (diff)
downloadsimple-icon-theme-3c0cbf57e8eacad16309f323d595aeb2d9351417.tar.gz
simple-icon-theme-3c0cbf57e8eacad16309f323d595aeb2d9351417.tar.bz2
simple-icon-theme-3c0cbf57e8eacad16309f323d595aeb2d9351417.tar.xz
Fix icons and speed up building
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--conv.c180
1 files changed, 180 insertions, 0 deletions
diff --git a/conv.c b/conv.c
new file mode 100644
index 0000000..7c5480e
--- /dev/null
+++ b/conv.c
@@ -0,0 +1,180 @@
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+static char *argv0;
+
+
+static int
+single(int argc, char *argv[])
+{
+ char size[10], target[4096], source[4096];
+ char *p;
+ ssize_t r;
+ int fd;
+
+ p = strchr(argv[0], 'x');
+ if (!p)
+ return 1;
+ *p = '\0';
+ stpcpy(size, argv[0]);
+ *p = 'x';
+
+ p = strchr(p, '/');
+ if (!p)
+ return 1;
+ p = stpcpy(stpcpy(source, "scalable"), p);
+ if (strcmp(&p[-4], ".png"))
+ return 1;
+ stpcpy(&p[-4], ".svg");
+
+ for (p = argv[0]; (p = strchr(p, '/')); p++) {
+ *p = '\0';
+ if (mkdir(argv[0], 0777) && errno != EEXIST) {
+ fprintf(stderr, "%s: mkdir %s 0777: %s\n", argv0, argv[0], strerror(errno));
+ return 1;
+ }
+ *p = '/';
+ }
+
+ r = readlink(source, target, sizeof(target) - 1);
+ if (r >= 0)
+ target[r] = 0;
+ if (r >= 0 && (r >= sizeof(target) - 1 || r < 4 || strcmp(&target[r - 4], ".svg"))) {
+ return 1;
+ } else if (r < 0 && errno == EINVAL) {
+ fd = open(argv[0], O_WRONLY | O_CREAT | O_TRUNC, 0666);
+ if (fd < 0) {
+ fprintf(stderr, "%s: open %s O_WRONLY|O_CREAT|O_TRUNC 0666: %s\n", argv0, argv[0], strerror(errno));
+ return 1;
+ }
+ if (fd != STDOUT_FILENO) {
+ if (dup2(fd, STDOUT_FILENO) != STDOUT_FILENO)
+ fprintf(stderr, "%s: dup2 %i 1: %s\n", argv0, fd, strerror(errno));
+ close(fd);
+ }
+ execlp("rsvg-convert", "rsvg-convert", "-w", size, "-h", size, "-f", "png", source, NULL);
+ fprintf(stderr, "%s: execvp rsvg-convert: %s\n", argv0, strerror(errno));
+ return 1;
+ } else if (r < 0) {
+ fprintf(stderr, "%s: readlink %s: %s\n", argv0, source, strerror(errno));
+ return 1;
+ } else {
+ stpcpy(&target[r - 4], ".png");
+ if (symlink(target, argv[0])) {
+ if (errno == EEXIST) {
+ unlink(argv[0]);
+ if (!symlink(target, argv[0]))
+ return 0;
+ }
+ fprintf(stderr, "%s: symlink %s %s: %s\n", argv0, target, argv[0], strerror(errno));
+ return 1;
+ }
+ return 0;
+ }
+}
+
+
+static int
+multi(int argc, char *argv[])
+{
+ char *source, output[4096], target[4096];
+ char *p, *q;
+ pid_t pid;
+ int status, fd, i;
+ ssize_t r;
+
+ source = *argv++, argc--;
+
+ q = strchr(source, '/');
+ if (!q)
+ return 1;
+
+ for (i = 0; i < argc; i++) {
+ stpcpy(stpcpy(stpcpy(stpcpy(output, argv[i]), "x"), argv[i]), q);
+ for (p = output; (p = strchr(p, '/')); p++) {
+ *p = '\0';
+ if (mkdir(output, 0777) && errno != EEXIST) {
+ fprintf(stderr, "%s: mkdir %s 0777: %s\n", argv0, output, strerror(errno));
+ return 1;
+ }
+ *p = '/';
+ }
+ }
+
+ r = readlink(source, target, sizeof(target) - 1);
+ if (r >= 0)
+ target[r] = 0;
+ if (r >= 0 && (r >= sizeof(target) - 1 || r < 4 || strcmp(&target[r - 4], ".svg"))) {
+ return 1;
+ } else if (r < 0 && errno == EINVAL) {
+ p = stpcpy(stpcpy(stpcpy(stpcpy(output, argv[0]), "x"), argv[0]), q);
+ stpcpy(&p[-4], ".png");
+ for (; *argv; argv++, argc--) {
+ pid = argc == 1 ? 0 : fork();
+ if (pid == -1) {
+ fprintf(stderr, "%s: fork: %s\n", argv0, strerror(errno));
+ return 1;
+ }
+ if (pid) {
+ p = stpcpy(stpcpy(stpcpy(stpcpy(output, argv[1]), "x"), argv[1]), q);
+ stpcpy(&p[-4], ".png");
+ if (waitpid(pid, &status, 0) != pid) {
+ fprintf(stderr, "%s: waitpid rsvg-convert: %s\n", argv0, strerror(errno));
+ return 1;
+ }
+ if (status)
+ return 1;
+ continue;
+ }
+ fd = open(output, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+ if (fd < 0) {
+ fprintf(stderr, "%s: open %s O_WRONLY|O_CREAT|O_TRUNC 0666: %s\n", argv0, output, strerror(errno));
+ return 1;
+ }
+ if (fd != STDOUT_FILENO) {
+ if (dup2(fd, STDOUT_FILENO) != STDOUT_FILENO)
+ fprintf(stderr, "%s: dup2 %i 1: %s\n", argv0, fd, strerror(errno));
+ close(fd);
+ }
+ execlp("rsvg-convert", "rsvg-convert", "-w", *argv, "-h", *argv, "-f", "png", source, NULL);
+ fprintf(stderr, "%s: execvp rsvg-convert: %s\n", argv0, strerror(errno));
+ return 1;
+ }
+ } else if (r < 0) {
+ fprintf(stderr, "%s: readlink %s: %s\n", argv0, source, strerror(errno));
+ return 1;
+ } else {
+ stpcpy(&target[r - 4], ".png");
+ for (; *argv; argv++) {
+ p = stpcpy(stpcpy(stpcpy(stpcpy(output, *argv), "x"), *argv), q);
+ stpcpy(&p[-4], ".png");
+ if (symlink(target, output)) {
+ if (errno == EEXIST) {
+ unlink(output);
+ if (!symlink(target, output))
+ continue;
+ }
+ fprintf(stderr, "%s: symlink %s %s: %s\n", argv0, target, output, strerror(errno));
+ return 1;
+ }
+ }
+ return 0;
+ }
+}
+
+
+int
+main(int argc, char *argv[])
+{
+ argv0 = *argv++, argc--;
+ if (argc == 1)
+ return single(argc, argv);
+ if (argc > 1)
+ return multi(argc, argv);
+ return 1;
+}