diff options
| -rw-r--r-- | src/modules/loaders/loader_pnm.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/src/modules/loaders/loader_pnm.c b/src/modules/loaders/loader_pnm.c index 229a270..04ea4e4 100644 --- a/src/modules/loaders/loader_pnm.c +++ b/src/modules/loaders/loader_pnm.c @@ -215,15 +215,22 @@ load(ImlibImage * im, ImlibProgressFunction progress, x = 0; while (x < w) { - if (!buf[i]) /* fill buffer */ + int k; + /* check 4 chars ahead to see if we need to + fill the buffer */ + for (k = 0; k < 4; k++) { - if (!fgets(buf, 255, f)) + if (!buf[i+k]) /* fill buffer */ { - free(idata); - fclose(f); - return 0; + if (fseek(f, -k, SEEK_CUR) == -1 || !fgets(buf, 255, f)) + { + free(idata); + fclose(f); + return 0; + } + i = 0; + break; } - i = 0; } while (buf[i] && isspace(buf[i])) i++; @@ -308,15 +315,22 @@ load(ImlibImage * im, ImlibProgressFunction progress, x = 0; while (x < w3) { - if (!buf[i]) /* fill buffer */ + int k; + /* check 4 chars ahead to see if we need to + fill the buffer */ + for (k = 0; k < 4; k++) { - if (!fgets(buf, 255, f)) + if (!buf[i+k]) /* fill buffer */ { - free(idata); - fclose(f); - return 0; + if (fseek(f, -k, SEEK_CUR) == -1 || !fgets(buf, 255, f)) + { + free(idata); + fclose(f); + return 0; + } + i = 0; + break; } - i = 0; } while (buf[i] && isspace(buf[i])) i++; |