diff options
-rw-r--r-- | src/imagemagick.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/src/imagemagick.c b/src/imagemagick.c index 3c4a9cd..5722bb7 100644 --- a/src/imagemagick.c +++ b/src/imagemagick.c @@ -10,15 +10,15 @@ #include "meh.h" struct image *imagemagick_open(FILE *f){ - char template[] = "/tmp/fileXXXXXX"; - char *ntmp = mktemp(template); - if(!ntmp){ - perror("mktemp"); + int tmpfd[2]; + if(pipe(tmpfd)){ + perror("pipe"); exit(EXIT_FAILURE); } int pid; if(!(pid = fork())){ + close(tmpfd[0]); int origfd = fileno(f); if(lseek(origfd, 0, SEEK_SET) != 0){ perror("lseek"); @@ -31,24 +31,23 @@ struct image *imagemagick_open(FILE *f){ argv[1] = "-depth"; argv[2] = "255"; asprintf(&argv[3], "fd:%i", origfd); - asprintf(&argv[4], "ppm:%s", ntmp); + asprintf(&argv[4], "ppm:fd:%i", tmpfd[1]); argv[5] = NULL; execvp(argv[0], argv); perror("exec"); exit(EXIT_FAILURE); }else{ - int status; - waitpid(pid, &status, 0); - if(status){ - return NULL; - } - fclose(f); + close(tmpfd[1]); FILE *ftmp; - if(!(ftmp = fopen(ntmp, "rb"))){ + if(!(ftmp = fdopen(tmpfd[0], "rb"))){ perror("fopen"); exit(EXIT_FAILURE); } - return netpbm.open(ftmp); + struct image *img = netpbm.open(ftmp); + if(!img) + return NULL; + fclose(f); + return img; } } |